[Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.1"] [White "Donchenko, Alexander"] [Black "Ioannidis, Evgenios"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2657"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "95"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,95,0,63,74,90,52,45,46,109,98,97,71,80,71,71,73,72,72,72,75,73,75,70, 74,72,72,77,78,73,46,50,56,61,62,60,54,56,58,49,58,56,53,53,51,53,45,51,40,48, 48,70,70,66,53,55,8,24,14,32,8,8,8,6,4,4,4,5,0,0,0,4,0,0,-8,-8,-8,-8,-8,-4,-4, -4,-4,0,0,0,-5,0,0]} 1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. e3 Bd6 5. Ne5 c5 (5... O-O $11) 6. Bb5+ $14 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nbd7 7. Nxd7 Bxd7 8. Bxd6 {White is slightly better.} Qa5+ ({ Black should try} 8... Bxb5 $14 9. Bxc5 Ne4) 9. Nc3 {[#] Bxd7+ is the strong threat.} Bxb5 {[#]} 10. a4 $146 ({Predecessor:} 10. Bxc5 Ne4 11. b4 Nxc3 12. bxa5 Nxd1 13. Kxd1 Kd7 14. Rb1 Kc6 15. Kd2 f6 16. Rb2 {0-1 (40) Volkov,S (2277) -Sharmin,S (1812) Chess.com INT 2020}) 10... Bc4 11. Bxc5 Ne4 {[#]} 12. b4 $1 Nxc3 13. bxa5 Nxd1 14. Kxd1 Kd7 15. Kd2 Rhb8 16. Rhb1 Kc7 17. f3 b6 18. Bb4 f5 19. e4 fxe4 20. fxe4 Kc6 21. Re1 bxa5 22. Bxa5 dxe4 23. Rxe4 Rf8 24. Kc3 Bd5 25. Re2 Rab8 26. Kd3 Rb2 27. Bc3 Rb7 28. Bd2 {Black must now prevent c4.} Kd7 29. Rc1 Bc6 30. a5 Bb5+ 31. c4 Ba6 32. Rc3 Rc8 33. Rf2 {Black should prevent Rf7+.} Ke8 34. Bf4 Rxc4 {The position is equal.} 35. Rxc4 Rb3+ 36. Kc2 Bxc4 $11 {[%mdl 4096] Endgame KRB-KRB} 37. Bd6 Rb7 38. Rf8+ Kd7 39. Bc5 (39. Bf4 { feels hotter.} a6 40. Ra8 Bf1 41. g3 g6 42. Kc3) 39... a6 40. Ra8 Kc6 41. Kc3 Kb5 42. Bb6 Bd5 43. Rh8 Bxg2 44. Rxh7 Rf7 45. Kd3 Rf3+ 46. Ke2 Rf7 47. Rh5+ Rf5 48. Rxf5+ {Weighted Error Value: White=0.06/Black=0.06} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.2"] [White "Dudin, Gleb"] [Black "Nihal Sarin"] [Result "0-1"] [ECO "B06"] [WhiteElo "2422"] [BlackElo "2655"] [Annotator "Shahid"] [PlyCount "40"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 Nd7 6. O-O-O b5 7. h4 h6 8. Nh3 Bb7 9. f3 Rc8 10. h5 g5 11. Nf2 Ngf6 12. Kb1 e6 13. g3 c5 14. d5 $2 (14. dxc5 dxc5 15. f4) 14... exd5 15. exd5 Nb6 16. f4 $6 (16. Re1 Kf8 $1 (16... O-O $2 17. Bxg5 hxg5 (17... Nbxd5 18. Nxd5 Bxd5 19. Bxh6 $18) 18. h6 Bh8 $4 19. Qxg5+ Kh7 20. Qf5+ Kg8 21. h7+ Nxh7 (21... Kg7 22. Qg5#) 22. Qxh7#)) 16... b4 $19 17. Nce4 Nxe4 18. Nxe4 f5 (18... Bxd5) 19. Nf2 g4 20. b3 $4 Qf6 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.3"] [White "Kovalenko, Igor"] [Black "Pranav Anand"] [Result "1-0"] [ECO "B31"] [WhiteElo "2644"] [BlackElo "2417"] [Annotator "TA"] [PlyCount "129"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,129,4,24,12,11,8,11,6,15,2,12,9,8,12,10,0,27,18,43,35,29,43,44,41,43, 38,45,14,41,35,67,70,68,59,69,62,66,66,91,67,74,68,83,62,79,47,47,47,48,40,54, 35,74,73,75,53,58,34,29,0,0,5,20,18,16,12,15,0,0,0,68,63,73,0,0,0,0,0,0,0,0,0, 0,-51,-11,-134,-54,-89,0,0,0,0,70,74,335,335,326,231,231,231,231,231,231,231, 348,181,181,134,133,123,552,499,3256,2539,4582,3179,4607,6617,6170,6079,5073, 4800]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. a3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Nge7 7. b4 d6 8. d3 {The position is equal.} O-O 9. Nbd2 { [%CAl Bb1d2,Bd2c4,Bc4e3][%mdl 32] [#]} h6 $146 ({Predecessor:} 9... a6 10. Ba4 b5 11. Bc2 cxb4 12. axb4 Bb7 13. Nb3 a5 14. bxa5 Nxa5 15. Rb1 Nxb3 16. Bxb3 d5 17. Qe2 dxe4 18. dxe4 Qc7 19. Bd2 Nc8 {1/2-1/2 (19) Suetin,A (2370)-Lehto,V Espoo 1989}) 10. Re1 Be6 11. Rb1 Qc7 12. Bc4 Bxc4 13. Nxc4 cxb4 14. axb4 b5 15. Ne3 Kh7 16. c4 Rab8 17. Bd2 f5 18. Rc1 {[%CAl Bb1c1,Bc1a1,Ba1a6][%mdl 32]} Qd7 19. Nd5 Nxd5 20. cxd5 Ne7 21. Ra1 Bf6 22. h3 Rb7 23. Ra6 Rc7 24. Qe2 Nc8 25. Rc1 Rxc1+ 26. Bxc1 Rf7 27. Qc2 Nb6 28. Be3 Bd8 29. Qa2 Qb7 30. Kh2 Kg7 31. Qa1 Kh7 32. Kg1 Kg7 33. Ra2 Kh7 34. Rc2 fxe4 35. dxe4 Nc4 36. Qc1 g5 37. Nh2 Qa6 38. Nf1 Qa4 39. Ng3 Nxe3 ({Black should play} 39... Qxb4 $11 40. Qd1 Nxe3 41. fxe3 Qb3) 40. fxe3 $14 Bb6 $1 {[%CAl Rb6e3] aiming for ...Bxe3+!} 41. Nf5 (41. Re2 $1 $16 Qb3 42. Kh2) 41... Qxb4 $11 42. Kh2 Bc5 $36 {[%mdl 2048] Black fights for an advantage.} ({Avoid the trap} 42... Qxe4 $2 43. Nxd6 Qxd5 44. Rd2 $18) 43. Rf2 $1 Rf6 ({Not} 43... Qxe4 $2 44. Nxd6 $1 {[%mdl 512]} Qxe3 45. Rxf7+ $18) 44. Rf3 Qc4 45. Qb1 b4 46. Rf2 (46. Qd1 $11 Qxe4 47. Ng3) 46... a5 { White should prevent ...a4.} 47. Ra2 {[#]} (47. Qd1 $1 $11 {keeps the balance.} Qxe4 48. Ng3) 47... Qb5 (47... g4 $1 $17 48. Rxa5 gxh3 49. Kxh3 b3) 48. Qb3 Rf7 (48... Kg6 $17) 49. Qd1 $1 {[%CAl Rd1h5] With the idea Qh5!} Rf6 {And now ... b3 would win.} 50. Qh5 Qb7 ({Black should try} 50... Qb8 $11 51. Rxa5 b3) 51. Rxa5 $14 {Threatens to win with Qe8.} b3 $2 {[%mdl 8192]} (51... Qb8 $16) 52. Qe8 $18 {Intending Ra8 and mate.} Qf7 53. Qxf7+ Rxf7 {[%mdl 4096] Endgame KRB-KRN} 54. Rb5 Kg6 55. Kg3 h5 56. Rxb3 Ra7 (56... Rxf5 $142 57. exf5+ Kxf5) 57. Kf3 (57. Rb8 $142) 57... Ra4 {[#] intending ...g4+.} 58. Nxd6 $1 {Strongly threatening Nb7.} g4+ 59. hxg4 hxg4+ {[%mdl 8192]} (59... Bxd6 $16 {is more resistant.} 60. Rb6 Kg5) 60. Kxg4 {White is clearly winning.} Bxd6 $16 {KRB-KR} (60... Ra2 $142 61. Nc4 Rxg2+ 62. Kf3 Rg5) 61. Rb6 $18 Rxe4+ 62. Kf3 Kf5 63. Rxd6 Rb4 64. g4+ Kg5 65. Re6 {Weighted Error Value: White=0.16/ Black=0.36} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.4"] [White "Aravindh, Chithambaram VR."] [Black "Akesson, Ralf"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2641"] [BlackElo "2395"] [Annotator "TA"] [PlyCount "101"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,101,17,12,0,13,22,16,22,23,13,37,27,31,22,36,26,35,44,56,35,34,14,14, 14,8,7,17,0,0,-34,0,0,3,-33,-31,-36,-38,-46,0,0,5,7,5,8,10,7,20,8,5,0,0,0,0,0, 4,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,11,16,14,19,-14,0,-14,0,0,0,0,0,-14,-12, -374,-374,-350,-335,-280,-250,-226]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. a3 {D37: Queen's Gambit Declined: 5 Bf4.} Nbd7 7. Nb5 Ne8 8. e3 { The position is equal.} c6 9. Nc3 b6 {The modern move.} 10. cxd5 cxd5 {[#]} 11. Rc1 $146 ({Predecessor:} 11. Bd3 Bb7 12. O-O Nef6 13. Qe2 Ne4 14. Rfc1 Nxc3 15. Rxc3 Rc8 16. Rac1 Rxc3 17. Rxc3 {1-0 (44) Carlsen,M (2862)-Tang,A (2538) Lichess.org INT 2021}) 11... a6 12. Bd3 Bb7 13. O-O Nef6 14. Nd2 Rc8 15. h3 b5 {[%CAl Bb6b5,Bb5b4][%mdl 32]} 16. a4 b4 17. Ne2 Qb6 18. Nb3 a5 19. Bb5 Rxc1 20. Nexc1 Ra8 21. Nd2 Ba6 22. Bxa6 Qxa6 23. Qe2 Qxe2 24. Nxe2 Rc8 25. Rc1 Rxc1+ 26. Nxc1 {Threatening Bc7.} Ne8 27. Ndb3 Bd8 28. Nd3 Kf8 29. f3 Ke7 30. Kf2 Nd6 31. Ke2 Nc4 32. Na1 f6 33. b3 Na3 (33... Nd6 {keeps more tension.} 34. g4 Nf7 35. Bg3 Bb6 36. Nc2 Nd8) 34. Bg3 Ke8 35. Kd1 g5 36. Bd6 Be7 37. Bc7 Bd8 38. Bh2 Be7 39. g4 Kd8 40. Bg3 Nf8 41. h4 h6 42. h5 Kd7 43. f4 Nh7 44. Ke2 Kc6 45. Be1 Bd6 46. f5 Nf8 47. Kf3 e5 {[#] aiming for ...e4+.} 48. dxe5 {[%mdl 8192] White does not recover from this.} (48. Nf2 $11) 48... fxe5 $19 {Strongly threatening ...e4+.} 49. e4 Nd7 50. Nf2 Nf6 {Hoping for ...Bc5.} 51. Bd2 { Weighted Error Value: White=0.21/Black=0.05} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.5"] [White "Dionisi, Thomas"] [Black "Narayanan.S.L"] [Result "0-1"] [ECO "B40"] [WhiteElo "2415"] [BlackElo "2624"] [Annotator "Shahid"] [PlyCount "56"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 0,56,21,20,54,54,55,13,31,3,2,-19,-5,-24,48,37,63,14,61,73,43,21,37,2, 16,2,-6,-6,14,3,-1,-1,-4,-70,-63,-95,-87,-133,-71,-82,-65,-81,-48,-125,-111, -125,-125,-134,-114,-141,-93,-185,-170,-243,-252,-252,-227,-317,-349]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 d4 5. g3 Nc6 6. Bg2 d3 7. O-O Rb8 8. a4 a6 9. Na3 Nh6 10. Re1 Be7 11. b3 O-O 12. Bb2 b5 13. axb5 axb5 14. c4 bxc4 15. Nxc4 Nb4 16. Na3 Bb7 17. Bc3 Bd5 18. Bxb4 Rxb4 (18... cxb4 19. Nc4 Bxc4 20. bxc4 Bc5) 19. Nc4 Qb8 20. Ra3 Rd8 21. h3 Nf5 22. Na5 h5 23. h4 Qc7 24. Qa1 Bxh4 $1 25. Nc4 ( 25. Nxh4 Nxh4 26. Bxd5 exd5 27. Qd1 (27. gxh4 Rg4+ 28. Kf1 Qe7 $19) 27... Rg4 $19) (25. gxh4 Rg4 26. Ra4 (26. Kf1 Rxg2 27. Kxg2 Nxh4+ 28. Kf1 Nxf3 29. Re3 Qe7) 26... Nd4 $19) 25... Be7 26. Qc3 Qb7 27. Na5 Qb5 28. Rea1 h4 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.6"] [White "Hakobyan, Aram"] [Black "Baskin, Robert"] [Result "1-0"] [ECO "B45"] [WhiteElo "2612"] [BlackElo "2390"] [Annotator "TA"] [PlyCount "55"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,55,35,37,0,10,12,19,16,22,11,7,17,7,7,8,16,14,15,12,2,23,23,23,23,98, 88,162,144,168,149,145,131,394,393,387,381,356,370,316,227]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. a3 {B45: Sicilian Four Knights.} (10. c4 $5 {[%CAl Rc4d5]}) 10... Ne3 11. Qd3 Nxf1 12. Rxf1 {The position is equal.} Be7 {[#]} 13. Be3 $146 ({ Predecessor:} 13. c4 c5 14. Rf2 Bb7 15. Be3 Bxe4 16. Qxe4 O-O 17. Rd1 Rad8 18. Rfd2 d5 19. exd6 Rxd6 20. Rxd6 Bxd6 {1/2-1/2 (31) Hebard,J-Grabowski,T (1598) IECC email 2001}) 13... Qxb2 14. Kf2 {[#] Rfb1 is the strong threat.} Qb8 15. Bc5 Bxc5+ 16. Nxc5 O-O 17. Rab1 ({Much weaker is} 17. Nxd7 Bxd7 18. Qxd7 Qb6+ 19. Kg3 Rad8 $17) 17... Qc7 18. Kg1 (18. Rfd1 {feels hotter.} Rb8 19. Rxb8 Qxb8 20. g3 h6 21. a4) 18... Rb8 19. Qd6 $36 {[%mdl 2048] White is pushing.} Qxd6 20. exd6 Rb6 (20... Ra8 $11) 21. a4 $16 {[%CAl Ba3a4,Ba4a5][%mdl 32]} Rd8 ( 21... f6 $16) 22. a5 $18 Rb5 23. Rxb5 cxb5 {[#]} 24. a6 $1 Bxa6 $2 {[%mdl 8192] A mistake that costs the game.} (24... e5 $16) 25. Nxa6 Rc8 26. Nc7 Rb8 27. Ra1 Rb7 28. Ra5 {Weighted Error Value: White=0.04/Black=0.29} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.7"] [White "Jesse, Ingemars"] [Black "Smirin, Ilia"] [Result "0-1"] [ECO "A04"] [WhiteElo "2392"] [BlackElo "2610"] [Annotator "TA"] [PlyCount "78"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,78,19,41,54,71,29,47,35,54,47,52,42,38,29,61,53,62,46,56,45,63,36,44, 37,45,36,39,29,20,32,26,29,25,0,0,0,0,-50,-58,-44,-35,-34,-36,-20,0,0,0,0,70, -45,-52,-317,-311,-445,-448,-431,-284,-272,-152,-152,-137,-201,-114,-1399, -1245,-1348,-1247,-1155,-1079,-1141,-1000]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O g6 5. c3 e5 6. d4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack. } e4 7. Ne5 {[#]} d5 $146 ({Predecessor:} 7... cxd4 8. Nxc6 bxc6 9. Qxd4 d5 10. Rd1 c5 11. Qe5+ Be6 12. Bg5 Ng4 13. Bxd8 Nxe5 {1-0 (24) Pawlowitsch,D-Lasch,P Viernheim 1984}) 8. Nxc6 {White is slightly better.} bxc6 9. dxc5 Bxc5 10. c4 $1 O-O 11. cxd5 cxd5 12. Nc3 Be6 13. Bg5 Be7 14. Qd4 a5 15. Rfd1 Rb8 16. Rac1 ( 16. Rab1 {with more complications.} Re8 17. e3 Rb4 18. Qd2 Bg4 19. a3) 16... Ng4 17. Bxe7 Qxe7 18. h3 Nf6 19. b3 Rfd8 20. Qe5 Re8 21. Na4 Nd7 22. Qc7 Qa3 23. Rc2 (23. Qc2 {seems wilder.} Rec8 24. Qd2 Qb4 25. Qf4 Qa3 26. Qd2) 23... Rbc8 24. Qxc8 Rxc8 25. Rxc8+ Kg7 $1 26. Rc2 h5 27. e3 h4 28. g4 $1 Qe7 (28... Ne5 $11) 29. Rc7 (29. Nc3 $1 $14) 29... Qg5 $15 {[%mdl 1024] aiming for ... Bxg4! Black has compensation.} 30. Kf1 $2 {[%mdl 8192]} ({White should play} 30. Nc3 $1 $15) 30... Qe5 $19 31. Rc6 (31. Rdc1 $142 Qh2 32. Nc5 $1) 31... Qh2 $1 32. Nc5 Ne5 33. Rxe6 {[#]} fxe6 ({Better is} 33... Nf3 $1 $19 34. Re7 (34. Bxf3 $2 exf3 35. Rxg6+ Kxg6 $19) 34... Qg1+ 35. Ke2 Qxg2 36. Ne6+ (36. Rxd5 $2 Ng1+ {[%mdl 64] Double Attack} 37. Kd1 Nxh3 $19) 36... Kf6) 34. Nxe6+ $17 Kf7 35. Nf4 {[#]} (35. Nd4 $17 {was called for.}) 35... g5 (35... Nf3 $1 $19 { And now ...d4! would win.} 36. Ne2 (36. Bxf3 $2 exf3 37. Ke1 Qg1+ 38. Kd2 Qxf2+ 39. Kc3 Qxe3+ {[%mdl 64] Double Attack} 40. Nd3 d4+ 41. Kc2 f2 $19) 36... d4 37. Rxd4 Nxd4 38. Nxd4 g5) 36. Rxd5 {[%mdl 8192]} (36. Ne2 $17 Nd3 37. Nc1 Nxc1 38. Rxc1) 36... gxf4 $19 {Black is clearly winning.} 37. Rxe5 f3 {[%mdl 64] Discovered Attack} 38. Rf5+ Ke6 39. Bxf3 Qxh3+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.46/Black=0.19} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.8"] [White "Erigaisi Arjun"] [Black "Berzinsh, Roland"] [Result "1-0"] [ECO "D20"] [WhiteElo "2597"] [BlackElo "2373"] [Annotator "Shahid"] [PlyCount "49"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 0,49,20,22,25,-11,30,13,44,60,77,63,33,33,48,49,60,59,113,91,78,-9,-8, 25,90,142,163,163,136,136,154,154,157,157,192,175,257,264,242,248,268,269,418, 346,346,346,354,371,355,355,355,366]} 1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Nf3 Bg4 5. d5 Ne5 6. Nc3 a6 (6... Nf6) 7. Bf4 Ng6 8. h3 e5 9. hxg4 exf4 10. e5 b5 11. Qd4 Qe7 $6 (11... Bb4) 12. a4 Rd8 13. axb5 axb5 14. Nxb5 Qb4+ 15. Nc3 Bc5 16. Qxc4 N8e7 17. O-O-O $5 Rb8 18. Qxb4 Rxb4 19. d6 cxd6 20. Bb5+ Kd8 21. exd6 Nc8 22. Ng5 Rf8 23. Nxh7 Rh8 24. Ng5 Rf8 25. Rhe1 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.9"] [White "Van Dael, Siem"] [Black "Puranik, Abhimanyu"] [Result "0-1"] [ECO "B32"] [WhiteElo "2390"] [BlackElo "2580"] [Annotator "Shahid"] [PlyCount "100"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 g6 7. N1c3 a6 8. Na3 Be6 9. Nd5 Bh6 10. Bxh6 Nxh6 11. Qd2 Ng4 12. Be2 Nf6 13. Nxf6+ Qxf6 14. O-O O-O 15. Nc2 Qh4 16. Qe3 Rac8 17. Rad1 Rfd8 18. b3 Kg7 19. Rd2 Qe7 20. Rfd1 Qc7 21. h3 h6 22. Bg4 Bxg4 23. hxg4 b5 24. cxb5 axb5 25. g5 h5 26. Qf3 Qe7 27. Qe3 b4 28. g3 Qe6 29. Kg2 h4 30. Qf3 hxg3 31. fxg3 Rd7 32. Rf1 Ra8 33. Ne3 Nd4 34. Qf2 Qe7 35. Nd5 Qxg5 36. Nb6 Raa7 37. Nxd7 Rxd7 38. Rxd4 exd4 39. Qxd4+ Qe5 40. Qxb4 Rc7 41. Rf2 d5 42. exd5 Qxd5+ 43. Kg1 Rc1+ 44. Rf1 Rc2 45. Rf2 Qd1+ 46. Kg2 $4 (46. Rf1 Qd5 47. Rf2 $11) 46... Rc1 47. g4 Qd5+ 48. Rf3 Rc2+ 49. Kg3 Qe5+ 50. Qf4 Qe1+ 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.10"] [White "Krivonosov, Oleg"] [Black "Ivic, Velimir"] [Result "1/2-1/2"] [ECO "E11"] [WhiteElo "2371"] [BlackElo "2571"] [Annotator "TA"] [PlyCount "96"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,96,7,0,33,31,47,20,46,37,47,43,45,49,54,39,30,53,62,50,35,38,42,43, 48,38,43,42,53,48,29,-6,52,41,51,0,0,0,0,0,0,0,50,48,71,66,78,60,80,66,64,65, 89,54,42,56,60,51,46,31,50,39,45,33,91,91,75,56,92,89,101,101,101,106,101,97, 149,0,22,0,47,0,15,0,138,0,52]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 a5 6. Qc2 O-O 7. Bg2 c5 {E11: Bogo-Indian.} 8. cxd5 $1 {The main line 8.cxd5 scores better than 8.dxc5.} cxd4 9. Nxd4 Qb6 10. e3 exd5 11. O-O Nc6 12. Nxc6 bxc6 13. Rc1 Rb8 14. Nc3 h5 15. Na4 Qd8 16. Bxb4 Rxb4 17. a3 ({Not} 17. Qxc6 $2 Bd7 $19) 17... Rc4 18. Qb3 Rxc1+ 19. Rxc1 h4 {[#]} 20. Qb6 $146 ({Of course not } 20. gxh4 Ng4 $15) ({Predecessor:} 20. Rxc6 d4 21. exd4 h3 22. Bf3 Qxd4 23. Qc4 Re8 {0-1 (23) Bocharov,D (2528)-Dubov,D (2699) Chess.com INT 2020}) 20... h3 21. Bf3 Qd7 (21... Bg4 $11 22. Bxg4 Nxg4 23. Qxc6 Ne5) 22. Qd4 (22. Rxc6 Qf5 $17) 22... Qf5 23. Qf4 ({White should play} 23. Be2 $14) 23... Qd3 $11 24. Qd4 Qxd4 25. exd4 Re8 26. Nc5 Nh7 27. Kf1 Ng5 28. Be2 Bf5 29. f3 Rb8 30. b3 Kf8 31. g4 Bc8 32. f4 Ne4 33. Nxe4 dxe4 34. Rxc6 $14 {[%mdl 4096] Endgame KRB-KRB} Be6 35. Rc3 Bxb3 ({Don't play} 35... Rxb3 $6 36. Rxb3 Bxb3 37. Kf2 $16) 36. Rxh3 { Threatens to win with Rh8+.} Ke7 37. Rh5 Kd6 (37... a4 $1 $14) 38. Rxa5 $16 Bd5 39. Rb5 Rh8 40. Kg2 Ra8 41. Rb6+ Kc7 42. Ra6 Rb8 43. Ra5 Kd6 {[#]} (43... Rb2 $142) 44. Rb5 (44. Bb5 $1 $16) 44... Ra8 $1 $11 45. Rb6+ Kc7 $1 {[%CAl Rc7b6]} 46. Ra6 {And now Rxa8 would win.} Rb8 47. Ra5 (47. Kf2 $11) 47... Kd6 $1 $16 { [#]} 48. Rb5 (48. Bb5 $1 $16) 48... Ra8 $1 {Weighted Error Value: White=0.17/ Black=0.10} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.11"] [White "Meshkovs, Nikita"] [Black "Chukavin, Kirill"] [Result "1/2-1/2"] [ECO "D27"] [WhiteElo "2568"] [BlackElo "2370"] [Annotator "TA"] [PlyCount "235"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,235,-9,-12,33,6,12,0,0,0,0,-19,-16,-25,-8,-15,-21,-28,-21,-27,-18, -16,-9,0,0,0,0,0,0,0,0,-2,-19,-6,-11,-10,0,0,-8,-7,-3,-14,-10,-13,-14,-27,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-8,-7,-6,-7,-10,-10,0,0,0,0,0,-11,-11,-11,-14,-25, -6,-11,0,0,0,0,0,0,0,-26,-34,-42,-47,-59,0,0,0,-25,-27,-136,-149,-131,-136, -128,-130,-126,0,0,0,0,0,-8,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-27985,-27985,-27992,-27992,-27993,-27992,-27993, -27993,-27994,-27992,-27993,-27992,-27993,-27984,-27985,-28000,-28000,-28000, -28000,-28000,-28000,-28000,-28000]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 c5 5. d4 dxc4 6. Bxc4 a6 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nc6 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 10. dxc5 Bxc5 11. Ne4 Be7 { The position is equal.} 12. Rd1 Qb6 {[#]} 13. Ng3 $146 ({Predecessor:} 13. Bd2 Nxe4 14. Bxe4 O-O 15. Rac1 Rfd8 16. a3 a5 17. Be1 h6 18. Bb1 b4 19. Qc2 { 1/2-1/2 (43) Andersson,F (2292)-Degerman,L (2485) Sweden 2011}) 13... O-O 14. Bd2 Rfd8 15. Rac1 Rd7 16. Bc3 {aiming for Bxf6.} Nd5 17. Ne5 Nxe5 ({Don't blunder} 17... Nxc3 $2 18. Bxh7+ $1 {[%mdl 512]} Kf8 19. Nxd7+ $18) 18. Bxe5 Rad8 19. Bd4 Qa5 20. Bb1 Nf6 21. a3 Bd5 22. Qc2 {And now Nh5! would win.} g6 23. Qe2 Bb3 24. Bc2 Bxc2 25. Qxc2 b4 26. axb4 Qxb4 27. h3 Qb5 28. Rf1 e5 29. Bc3 Nd5 30. Rfd1 Nb4 31. Rxd7 Rxd7 32. Qe4 Na2 33. Ra1 Nxc3 34. bxc3 Qb2 35. Qa8+ Kg7 36. Qxa6 Qxc3 37. Qa4 Rc7 (37... Qd3 {looks sharper.} 38. Qc6 Bd8 39. Kh2 f5 40. Ra6 e4) 38. Rb1 Qd3 39. Rd1 Qc2 40. Qxc2 Rxc2 $11 {[%mdl 4096] Endgame KRB-KRN} 41. Rd7 Kf6 42. Rb7 Ke6 43. Rb6+ Kd5 44. e4+ (44. Rb7 { with more complications.} Rc1+ 45. Nf1 Ke6 46. g4 Bc5 47. Kg2) 44... Kc5 45. Rb7 Kd6 46. Nf1 Rc1 47. g3 Ke6 48. Rb6+ Kd7 49. Kg2 Bc5 50. Rb7+ Ke6 51. Rb2 Re1 52. Rc2 Bd4 53. f3 f5 (53... h5 $15) 54. exf5+ gxf5 55. g4 f4 56. h4 (56. g5 $11) 56... e4 $17 57. fxe4 f3+ $1 {[%mdl 64] Deflection, Decoy} ({Of course not} 57... Rxe4 $6 58. Kf3 $11) 58. Kxf3 {Black must now prevent Ng3.} Rxf1+ { KRB-KR} 59. Kg2 {[#]} Rf4 (59... Rg1+ $1 $17 60. Kf3 Be5) 60. Rc7 $11 Rxg4+ ( 60... h6 {keeps more tension.} 61. Rc6+ Ke5 62. Rxh6 Rf8 63. Rh7 Rb8) 61. Kh3 h5 {Threatens to win with ...Bf2.} (61... Rg8 {is interesting.} 62. Rxh7 Be3 63. Rb7 Bf2 64. h5 Rg3+) 62. Rh7 Rxe4 $2 {[%mdl 8192]} (62... Rg8 $11) 63. Rxh5 {Black converts the advantage convincingly.} Bf6 {Mate.} 64. Kg3 Ra4 65. Kh3 Kf7 66. Kg3 Kg6 67. Rb5 Bxh4+ 68. Kf3 Be7 69. Rb6+ Kf5 70. Rb5+ Ke6 71. Ke3 Bd6 72. Kd3 Be5 73. Rb7 Kf5 74. Rf7+ Bf6 75. Rd7 Ra3+ 76. Kc4 Ke4 77. Rf7 Be5 78. Rd7 Rc3+ 79. Kb4 Rc1 80. Kb5 Bd4 81. Rh7 Rc5+ 82. Kb4 Rg5 83. Kc4 Rc5+ 84. Kb4 Rc8 85. Rh4+ Kd5 86. Rh5+ Be5 87. Kb3 Rc3+ 88. Kb4 Rg3 89. Ka4 Rg2 90. Ka3 Re2 91. Kb3 Rb2+ 92. Ka3 Rb1 93. Ka2 Rb5 94. Rh4 Rb8 95. Rh5 Kd4 96. Ka3 Bd6+ 97. Ka4 Bc5 98. Rh1 Kd5 99. Rh4 Bd4 100. Ka5 Kc4 {[%CAl Rb8a8]} 101. Rh6 Rb7 102. Rc6+ Bc5 103. Rh6 Rg7 104. Rh4+ Kd5 105. Kb5 Rb7+ 106. Ka4 Rb1 107. Rf4 Bd4 108. Rf7 Kc4 {[%CAl Rb1a1]} 109. Rf3 Rb8 {[%CAl Rb8a8]} 110. Rf5 Rb4+ 111. Ka5 Rb7 {[%CAl Rb7a7]} 112. Ka4 Rb1 {[%CAl Rb1a1]} 113. Rf3 Rg1 114. Rb3 Bc5 115. Rb4+ Kd5 116. Rh4 Rb1 117. Ka5 Bd4 {( -> ...Kc4)} 118. Rh6 {[%mdl 32768] Weighted Error Value: White=0.08/Black=0.06. An unexpected result.} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.12"] [White "Tahay, Alexis"] [Black "Sanal, Vahap"] [Result "1/2-1/2"] [ECO "C77"] [WhiteElo "2364"] [BlackElo "2557"] [Annotator "TA"] [PlyCount "65"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,65,12,4,27,25,25,22,36,20,39,25,39,47,32,6,41,-12,28,36,45,13,34,27, 35,10,11,16,38,6,54,0,78,68,67,8,52,36,68,65,64,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 O-O 9. Nc3 Na5 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. Ba2 c5 11. b4 { 11.Bg5 might become the main line.} Nc6 12. Nd5 Be6 13. Nxf6+ Bxf6 14. Bxe6 fxe6 15. Bd2 c4 {[#]} 16. Qe2 $146 (16. Be3 $14) ({Predecessor:} 16. Be3 Qc7 17. Re1 Rad8 18. Qe2 Nd4 19. Bxd4 exd4 20. a4 e5 21. h4 Rc8 22. axb5 axb5 { 1-0 (33) Kuybokarov,T (2530)-Wang,C (1945) Lichess.org INT 2020}) 16... d5 17. Rfd1 Qc7 18. a4 Qf7 19. axb5 axb5 20. dxc4 (20. c3 {is more complex.} cxd3 21. Qxd3 Rac8 22. Re1 Rb8 23. Bc1) 20... Rxa1 21. Rxa1 bxc4 22. c3 Qb7 23. Bg5 (23. h3 $14) 23... Ne7 (23... Na7 $11 {remains equal.}) 24. Bxf6 gxf6 25. Nh4 (25. Ne1 $14) 25... Kh8 26. h3 Ra8 27. Rxa8+ Qxa8 28. Qf3 (28. b5 $1 $14) 28... Kg7 $11 {The position is equal.} 29. Qg4+ Kf7 30. Qh5+ Kg7 31. Qg4+ Kf7 32. Qh5+ Kg7 33. Qg4+ {Weighted Error Value: White=0.19/Black=0.18} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.13"] [White "Yuffa, Daniil"] [Black "Sarkar, Justin"] [Result "1/2-1/2"] [ECO "A96"] [WhiteElo "2556"] [BlackElo "2338"] [Annotator "TA"] [PlyCount "111"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,111,45,22,50,41,61,58,81,28,80,47,47,42,47,47,45,36,49,50,52,51,38, 31,66,52,84,25,54,10,25,20,32,27,32,28,38,35,33,30,57,55,64,57,81,45,38,22,34, 21,53,0,16,17,34,33,34,31,167,10,17,17,17,0,17,17,17,17,17,17,37,39,43,52,35,8, 8,8,8,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. b4 Qe8 {A96: Classical Dutch: Fluid Systems: Early deviations.} 8. Qb3 Qh5 9. Nc3 Kh8 {White is slightly better.} 10. c5 {[#]} (10. Bb2 $16) 10... Ne4 $146 (10... Nc6 $11 { remains equal.}) ({Predecessor:} 10... d5 11. Bf4 Bd8 12. Rac1 Nc6 13. b5 Ne7 14. c6 bxc6 15. bxc6 Ng6 16. e3 Ba6 {1-0 (45) Figura,A (2352)-Welz,P (2183) Berlin 2006}) 11. Nxe4 fxe4 12. Nd2 d5 13. f3 Nc6 14. Bb2 e3 15. Qxe3 Nxb4 { Black wants to play ...Nc2.} 16. Qc3 Nc6 17. e4 Bd7 18. f4 Rad8 19. e5 (19. Rae1 $16) 19... Be8 20. h3 Qh6 21. Nb3 g5 22. fxg5 Bxg5 23. Rxf8+ Qxf8 24. Rf1 Qg7 25. Bc1 Bxc1 26. Nxc1 Ne7 27. Rf6 Ng8 28. Rf2 ({Don't blunder} 28. Rxe6 $2 Bf7 $19) (28. Rf3 {seems wilder.} Bb5 29. Qb2 a6 30. Qf2 Rc8 31. Rf7) 28... Bb5 $1 29. Bf1 Bxf1 30. Rxf1 Rf8 31. Rf3 ({White should play} 31. Ne2 $14) 31... Ne7 32. Ne2 Ng6 33. Rxf8+ Qxf8 34. Kg2 Qf5 {[#]} (34... Qg7 $14) 35. Qf3 $2 ({ Only move:} 35. Qa5 $1 $18) 35... Qxf3+ $11 36. Kxf3 {[%mdl 4096] Endgame KN-KN } Kg7 37. h4 Kf7 38. h5 Ne7 39. g4 b6 40. cxb6 axb6 41. a4 c5 42. dxc5 bxc5 43. a5 Nc6 {The position is equal.} 44. a6 {Threatens to win with Kf4.} Nxe5+ 45. Kf4 Nc6 46. Nc3 c4 47. Nb5 e5+ 48. Kf5 e4 {Strongly threatening ...e3.} 49. Kf4 h6 50. Ke3 c3 51. a7 {[#]} Nxa7 52. Nxc3 Ke6 {next ...Ke5 is good for Black.} 53. g5 hxg5 54. h6 {h7 is the strong threat.} Kf7 55. Nxd5 Kg6 56. Kxe4 { Weighted Error Value: White=0.14/Black=0.14} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.14"] [White "Vetokhin, Savva"] [Black "Laurusas, Tomas"] [Result "0-1"] [ECO "A11"] [WhiteElo "2364"] [BlackElo "2549"] [Annotator "ChessBase"] [PlyCount "80"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. Nf3 {[%emt 0:00:04]} d5 {[%emt 0:02:31]} 2. g3 {[%emt 0:00:09]} c6 {[%emt 0: 02:13]} 3. Bg2 {[%emt 0:00:07]} Bf5 {[%emt 0:01:26]} 4. O-O {[%emt 0:01:01]} e6 {[%emt 0:00:28]} 5. c4 {[%emt 0:00:18]} Nf6 {[%emt 0:02:30]} 6. Qb3 {[%emt 0: 00:47]} Qb6 {[%emt 0:00:34]} 7. d3 {[%emt 0:00:23]} Nbd7 {[%emt 0:01:09]} 8. Be3 {[%emt 0:00:27]} Bc5 {[%emt 0:00:44]} 9. Bxc5 {[%emt 0:01:03]} Nxc5 { [%emt 0:00:30]} 10. Qc3 {[%emt 0:02:07]} a5 {[%emt 0:02:13]} 11. Nbd2 {[%emt 0: 00:55]} O-O {[%emt 0:00:29]} 12. b3 {[%emt 0:01:16]} Bg4 {[%emt 0:08:15]} 13. Rfc1 {[%emt 0:08:34]} Ncd7 {[%emt 0:01:35]} 14. a3 {[%emt 0:13:46]} Rfe8 { [%emt 0:14:13]} 15. b4 {[%emt 0:04:53]} h6 {[%emt 0:08:56]} 16. h3 {[%emt 0:10: 19]} Bxf3 {[%emt 0:04:07]} 17. Bxf3 {[%emt 0:01:22]} Ra7 {[%emt 0:04:07]} 18. Nb3 {[%emt 0:03:30]} a4 {[%emt 0:02:14]} 19. c5 {[%emt 0:02:10]} Qc7 {[%emt 0: 03:14]} 20. Nd4 {[%emt 0:00:37]} g6 {[%emt 0:04:46]} 21. Nc2 {[%emt 0:08:20]} e5 {[%emt 0:02:24]} 22. Bg2 {[%emt 0:00:36]} h5 {[%emt 0:02:57]} 23. h4 { [%emt 0:02:17]} Raa8 {[%emt 0:06:01]} 24. Qd2 {[%emt 0:01:23]} Kg7 {[%emt 0:08: 20]} 25. Rab1 {[%emt 0:02:30]} Rac8 {[%emt 0:04:34]} 26. d4 {[%emt 0:01:50]} exd4 {[%emt 0:02:42]} 27. Nxd4 {[%emt 0:00:16]} Ne5 {[%emt 0:00:19]} 28. b5 { [%emt 0:04:43]} Neg4 {[%emt 0:04:02]} 29. bxc6 {[%emt 0:02:13]} bxc6 {[%emt 0: 00:03]} 30. Rb6 {[%emt 0:01:33]} Nxf2 {[%emt 0:00:55]} 31. Rxc6 {[%emt 0:05:00] } Qxg3 {[%emt 0:00:01]} 32. Rxf6 {[%emt 0:10:06]} Nh3+ {[%emt 0:00:01]} 33. Kh1 {[%emt 0:00:26]} Kxf6 {[%emt 0:00:18]} 34. Rf1+ {[%emt 0:00:17]} Kg7 {[%emt 0: 02:16]} 35. Rf3 {[%emt 0:00:06]} Qe5 {[%emt 0:02:31]} 36. Bxh3 {[%emt 0:01:49]} Rxc5 {[%emt 0:00:01]} 37. Nf5+ {[%emt 0:02:39]} gxf5 {[%emt 0:01:23]} 38. Qg5+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:04]} 39. Qh6+ {[%emt 0:00:05]} Kg8 {[%emt 0: 00:06]} 40. Bxf5 {[%emt 0:01:02]} Qa1+ {[%emt 0:00:39]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.15"] [White "Kulaots, Kaido"] [Black "Klabis, Rokas"] [Result "1/2-1/2"] [ECO "C78"] [WhiteElo "2548"] [BlackElo "2323"] [Annotator "TA"] [PlyCount "80"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,80,31,39,36,32,30,18,-27,-7,-4,-17,-86,-37,-77,-82,-85,-27,-98,-66, -69,-72,-91,-56,-43,-56,-68,-75,-78,-47,-101,-48,-75,-5,-13,-6,-8,-6,-7,21,-13, -8,-95,-56,-45,-41,-45,-49,-106,-43,-77,-59,-88,-5,-43,0,-80,0,-56,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. Na3 O-O 11. axb5 axb5 12. Nxb5 Bg4 13. Re1 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Bxf3 14. gxf3 Nh5 15. f4 {The position is equal.} Qh4 16. Qf3 exd4 {[#]} 17. Ba4 $146 (17. Ra4 $11 {remains equal.}) ({ Predecessor:} 17. e5 dxc3 18. bxc3 dxe5 19. fxe5 Bxf2+ 20. Qxf2 Qxf2+ 21. Kxf2 Rxb5 22. Ba4 Ra5 23. Ba3 Rxa4 24. Bxf8 {0-1 (33) Kulaots,K (2573)-Shirov,A (2656) Viljandi 2017}) 17... Ra8 18. Bd2 dxc3 19. bxc3 {Threatening Nxc7!} Ra5 (19... Nd8 $17 20. Bc2 Ne6) 20. c4 {[#]} (20. Nd4 $11 Nxd4 21. cxd4) 20... Rxb5 $1 21. cxb5 Nd4 22. Qg2 Nxf4 23. Bxf4 Qxf4 24. Re3 Ne6 {[%mdl 1024] Black has compensation.} 25. Ree1 Ng5 {...Bxf2+! is the strong threat.} 26. Ra3 {[#]} ( 26. Kh1 $15) 26... Ra8 (26... Re8 $1 $17 {[%CAl Rg5e4]} 27. Kh1 Rxe4) 27. Kf1 h6 (27... Qd2 $17 {White should prevent ...Qb2.} 28. h4 {[#]} Bc5 $1) 28. Qg3 $11 Qd2 {White must now prevent ...Qd4.} 29. Rd3 Qb4 30. Bb3 Re8 ({Don't go for } 30... Nxe4 $2 31. Qf4 $18) 31. Bd5 Qxb5 {Hoping for ...c6.} 32. h4 (32. Kg2 $11) 32... Nh7 33. Kg2 Nf6 34. Qf3 Qd7 35. Rc1 (35. Re2 $15) 35... Qe7 ({ Black should try} 35... Nxd5 $17 36. Rxd5 Qe7) 36. Bc6 Rb8 37. Rb3 Qe6 (37... g6 $17) 38. Bd5 Qe7 39. Bc6 Qe6 40. Bd5 Qe7 {Weighted Error Value: White=0.28/ Black=0.31} (40... Qe5 $15) 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.16"] [White "Spitzl, Vinzent"] [Black "Kantor, Gergely"] [Result "1/2-1/2"] [ECO "C88"] [WhiteElo "2346"] [BlackElo "2533"] [Annotator "TA"] [PlyCount "70"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,70,18,17,28,30,25,18,27,10,31,0,0,-25,-18,-18,-19,-25,-24,-28,-24, -22,0,-2,0,0,0,-2,0,-3,0,-16,-16,-27,-23,-22,-14,-2,-10,0,0,-22,-11,-18,0,0,53, 8,15,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. Nbd2 Nd7 11. c3 Nc5 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} 12. Bc2 Nxa4 13. Bxa4 bxa4 14. Qxa4 Rb8 {[#]} 15. d4 $146 ({Predecessor:} 15. Nf1 f5 16. Ne3 fxe4 17. dxe4 Bf6 18. Qc4+ Kh8 19. Nd5 Qd7 20. h3 Bd8 21. Nd2 Ne7 22. Nxe7 Qxe7 23. Nf1 Qf7 24. Be3 Qxc4 {0-1 (24) Sebag,M (2438)-Abdumalik,Z (2478) chess24.com INT 2020}) 15... exd4 16. cxd4 d5 17. e5 Nb4 18. Nf1 c5 19. dxc5 Bxc5 {Threatens to win with ...Qb6.} 20. Be3 $1 {[%CAl Re3c5]} d4 21. Nxd4 Bxd4 22. Qxb4 Bxe5 23. Ba7 Bd6 24. Qd2 Rc8 {[%CAl Bb8c8,Bc8c2,Bc2e2][%mdl 32]} 25. Bd4 Bb8 26. Red1 Qd5 {[%csl Gb7][%CAl Rd5g2] [#]} 27. f3 Qe6 28. Qb4 $40 {[%mdl 128] White has some attack.} Ba8 29. Qa5 Rc2 30. Qg5 {[%csl Gd4][%CAl Rg5g7] [#]} f6 31. Qe3 Re2 32. Qd3 Be5 33. Bxe5 Qxe5 { The position is equal.} 34. Rxa6 Rxb2 35. Qe3 Qxe3+ {Not much happened in this game. Weighted Error Value: White=0.07/Black=0.06} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.17"] [White "Pultinevicius, Paulius"] [Black "Sai Agni Jeevitesh, J.."] [Result "1-0"] [ECO "A06"] [WhiteElo "2528"] [BlackElo "2322"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,91,27,22,20,25,33,29,28,28,26,20,33,37,29,17,31,16,62,33,46,39,43,39, 60,75,109,118,125,86,108,99,162,162,156,152,362,239,238,236,228,218,212,137, 123,147,147,147,118,80,54,54,133,93,133,95,98,99,204,171,1073,1073,1356,1356, 1180,1101,1341,986,894,667,756,585,805,805,1309,1279,29967,29964,29987,29988, 29988,29989]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bd3 Bd6 7. Bb2 O-O {A06: Réti Opening: 1 Nf3 d5.} 8. Nbd2 b6 9. O-O Bb7 {White has an edge.} 10. Qe2 Qe7 11. Rad1 e5 12. dxe5 Nxe5 13. Bb1 {[#]} Rad8 $146 ({ Predecessor:} 13... Nxf3+ 14. Nxf3 Ne4 15. Nd4 Be5 16. cxd5 cxd5 17. Nf5 Qf6 18. Bxe5 Qxe5 19. Nd4 Rfe8 {1-0 (52) Geske,J (2382)-Hebbering,T (2199) Heusenstamm 2018}) 14. cxd5 Nxf3+ 15. Nxf3 Nxd5 16. Rd4 (16. Qc4 {looks sharper.} c5 17. Rfe1 Nc7 18. h4 b5 19. Qg4) 16... f5 17. Rc1 c5 18. Rd2 Kh8 19. Rcd1 Nb4 20. a3 Nc6 21. Qc4 Na5 (21... Bc7 $16) 22. Qc3 $18 Bxf3 23. gxf3 { aiming for Rxd6!} Qg5+ $2 (23... Bc7 $16 {might work better.} 24. f4 Rxd2 25. Rxd2 Nb7) 24. Kf1 Nb7 25. h4 Qg6 26. h5 Qg5 27. f4 Qg4 {[#]} 28. Bd3 $1 { [%CAl Rd3a6]} Be7 29. Be2 Qh3+ 30. Kg1 {[%csl Gb2][%CAl Rc3g7]} Bf6 31. Qc2 Rde8 (31... c4 $1 $14) 32. Rd7 $40 {[%mdl 128] White goes for the king.} Nd8 33. Rxa7 Ne6 {[#]} 34. Rd6 $1 h6 (34... Rg8 $16 {was worth a try.}) 35. Rxb6 Bxb2 $2 (35... Rg8) 36. Qxb2 $18 {Threatening mate with Rxe6!} Rf6 37. Qe5 { Rxg7! would kill now.} Qh4 38. Rbb7 Rd8 39. Rd7 {Strongly threatening Rxd8+.} Rg8 40. Bf3 Nf8 41. Rd6 Qh3 42. Bg2 Qh4 43. Rxf6 gxf6 44. Qxf5 {White mates.} Rg4 45. Rf7 Kg8 46. Rxf6 {Weighted Error Value: White=0.26/Black=0.26} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.18"] [White "Plotkin, Victor"] [Black "Visakh N R"] [Result "0-1"] [ECO "B11"] [WhiteElo "2332"] [BlackElo "2516"] [Annotator "Shahid"] [PlyCount "108"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] {[%evp 0,108,20,19,68,73,52,38,83,55,48,55,50,42,37,12,8,-5,-3,-3,0,-8,-8,1,7, 7,3,-4,10,5,5,5,3,5,5,4,16,7,9,-22,-17,-19,5,14,18,16,23,19,22,0,11,-6,0,0,10, 0,0,7,7,16,6,0,0,-14,-13,-41,-33,-40,9,13,13,16,16,16,16,-35,-14,-37,0,0,0,0, 29,0,0,-12,-3,-9,-9,-20,-20,-26,-26,-51,-72,-72,-72,-72,-71,-154,-176,-234, -232,-279,-269,-283,-283,-439,-357,-474,-497]} 1. e4 {[%emt 0:00:02]} c6 { [%emt 0:00:15]} 2. Nc3 {[%emt 0:00:17]} d5 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00: 29]} Bg4 {[%emt 0:00:08]} 4. h3 {[%emt 0:00:32]} Bxf3 {[%emt 0:00:08]} 5. Qxf3 {[%emt 0:00:11]} e6 {[%emt 0:00:19]} 6. d4 {[%emt 0:07:19]} Nf6 {[%emt 0:00:09] } 7. exd5 {[%emt 0:05:54]} cxd5 {[%emt 0:00:08]} 8. Bd3 {[%emt 0:03:23]} Nc6 { [%emt 0:00:23]} 9. Ne2 {[%emt 0:04:16]} Bd6 {[%emt 0:07:36]} 10. O-O {[%emt 0: 02:46]} O-O {[%emt 0:00:11]} 11. Bg5 {[%emt 0:12:09]} Nb4 {[%emt 0:01:45]} 12. Nc1 {[%emt 0:03:16]} h6 {[%emt 0:03:44]} 13. Bh4 {[%emt 0:03:10]} Be7 {[%emt 0: 11:28]} 14. c3 {[%emt 0:01:47]} Nxd3 {[%emt 0:00:06]} 15. Nxd3 {[%emt 0:00:14]} Ne4 {[%emt 0:02:52]} 16. Bxe7 {[%emt 0:00:13]} Qxe7 {[%emt 0:00:05]} 17. Qe3 { [%emt 0:02:13]} a5 {[%emt 0:02:56]} 18. f3 {[%emt 0:03:51]} Nd6 {[%emt 0:01:24] } 19. f4 {[%emt 0:02:40]} Qe8 {[%emt 0:05:24]} 20. g4 {[%emt 0:05:30]} b5 { [%emt 0:02:51]} 21. a3 {[%emt 0:01:33]} f5 {[%emt 0:04:06]} 22. Kh2 {[%emt 0: 06:17]} fxg4 {[%emt 0:04:34]} 23. hxg4 {[%emt 0:00:37]} Ne4 {[%emt 0:00:16]} 24. Rg1 {[%emt 0:03:43]} Ra7 {[%emt 0:08:41]} 25. Raf1 {[%emt 0:02:35]} Raf7 { [%emt 0:01:08]} 26. Rf3 {[%emt 0:01:58]} Qe7 {[%emt 0:07:41]} 27. Ne5 {[%emt 0: 10:41]} Rf6 {[%emt 0:00:52]} 28. Kg2 {[%emt 0:03:08]} Nd6 {[%emt 0:02:24]} 29. Rgf1 {[%emt 0:01:37]} Qe8 {[%emt 0:04:36]} 30. Rh1 {[%emt 0:01:50]} Nc4 { [%emt 0:03:21]} 31. Nxc4 {[%emt 0:01:24]} bxc4 {[%emt 0:00:01]} 32. Rhf1 { [%emt 0:02:48]} Qg6 {[%emt 0:00:09]} 33. Rg3 {[%emt 0:03:30]} Qe4+ {[%emt 0:05: 02]} 34. Qxe4 {[%emt 0:00:01]} dxe4 {[%emt 0:00:02]} 35. g5 {[%emt 0:00:59]} hxg5 {[%emt 0:00:05]} 36. Rxg5 {[%emt 0:00:13]} Rf5 {[%emt 0:00:01]} 37. Re1 { [%emt 0:04:30]} Rxf4 {[%emt 0:06:11]} 38. Rxa5 {[%emt 0:00:05]} Rg4+ {[%emt 0: 02:45]} 39. Kh3 {[%emt 0:00:05]} Rff4 {[%emt 0:00:03]} 40. Re5 {[%emt 0:01:40]} Kf7 {[%emt 0:03:46]} 41. Rf1 {[%emt 0:00:46]} Rh4+ {[%emt 0:01:44]} 42. Kg3 { [%emt 0:00:03]} Rxf1 {[%emt 0:02:44]} 43. Kxh4 {[%emt 0:00:03]} Rb1 {[%emt 0: 00:03]} 44. Rxe4 {[%emt 0:00:30]} Rxb2 {[%emt 0:00:01]} 45. Kg5 {[%emt 0:01:27] } Rb3 {[%emt 0:00:10]} 46. Re3 {[%emt 0:00:39]} Rxa3 {[%emt 0:00:47]} 47. Rf3+ {[%emt 0:00:06]} Ke7 {[%emt 0:00:05]} 48. Kg6 $4 {[%emt 0:00:27]} (48. Re3 Ra1 (48... Ra6 49. d5 Rd6 50. dxe6 Rd3 51. Re4 Rxc3 52. Kf5 $11) 49. d5 Rg1+ (49... e5 50. Rxe5+ Kd6 51. Re8 $11) 50. Kf4 Rf1+ 51. Kg4 Rf6 52. Re4 $11) 48... Ra1 $19 {[%emt 0:00:01]} 49. Rf7+ {[%emt 0:00:51]} Kd6 {[%emt 0:00:02]} 50. Kxg7 { [%emt 0:00:23]} Rg1+ {[%emt 0:00:14]} 51. Kf8 {[%emt 0:00:42]} Rg3 {[%emt 0:00: 02]} 52. Ra7 {[%emt 0:00:29]} Rxc3 {[%emt 0:00:05]} 53. Ra4 {[%emt 0:00:31]} Kd5 {[%emt 0:00:10]} 54. Ke7 {[%emt 0:00:11]} Re3 {[%emt 0:00:16]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.19"] [White "Grigorov, Grigor"] [Black "Samoun, Florent"] [Result "1-0"] [ECO "D00"] [WhiteElo "2507"] [BlackElo "2306"] [Annotator "TA"] [PlyCount "43"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,43,15,64,80,70,81,94,83,156,159,432,400,389,403,381,323,553,584,665, 648,602,531,556,531,827,800,756,696,1035,1020,1188,1131,1125,1081,1084,977]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. e3 c5 5. dxc5 e5 6. Nc3 {D00: 1 d4 d5: Unusual lines.} Be6 7. Qf3 {[#]} e4 $146 ({Predecessor:} 7... Nd7 8. O-O-O Qa5 9. Nxd5 Qxa2 10. Nc7+ Ke7 11. Nxa8 Qa1+ 12. Kd2 Qxb2 13. Bd3 Nxc5 {1/2-1/2 (74) Pert,R (2416)-Gracia Alvarez,G (2308) Chess.com INT 2021}) 8. Qh5 {aiming for 0-0-0.White is better.} f5 (8... Nc6 $142) 9. O-O-O $16 {Black must now prevent Nh3.} Qd7 $2 {[#]} (9... Bg7 $16 {was called for.}) 10. Bc4 $1 { [%mdl 512]} dxc4 11. Rxd7 Nxd7 12. Nh3 O-O-O $2 (12... Rc8 {might work better.} 13. Rd1 Rxc5) 13. Ng5 $18 {White is clearly winning.} Ne5 14. Nxe6 fxe6 {[#]} 15. Nxe4 $1 {[%CAl Bc3e4,Be4g5,Bg5e6,Be6d4,Bd4b5][%mdl 544]} Be7 16. Ng5 c3 17. Nxe6 cxb2+ 18. Kb1 Rd2 19. Qxf5 Nc4 20. Nd4+ Kb8 21. Qf4+ Ka8 22. Nb5 {Black did not feel at home in the position after the opening. Weighted Error Value: White=0.22/Black=0.82} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.20"] [White "O`Donnell, Conor"] [Black "Arjun Kalyan"] [Result "1/2-1/2"] [ECO "D38"] [WhiteElo "2314"] [BlackElo "2503"] [Annotator "TA"] [PlyCount "77"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,77,19,17,8,13,7,7,7,5,8,10,2,0,0,0,10,8,17,17,10,13,12,6,11,4,16,0,5, 0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-12,-21,-21,-21,-20,-20,-20,-15,-15,-27,-18,-42, -15,-26,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Bd2 dxc4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. Bxc4 Bd6 9. Qc2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. f4 Bxc3 13. Bxc3 Ng4 14. Bd4 c5 15. Bxc5 {Strongly threatening Rd1.} Re8 $1 16. O-O { Black should prevent Rfd1.} b6 {[#]} 17. h3 $146 {And now Rad1 would win.} ({ Predecessor:} 17. Bd4 Nxe3 18. Bxe3 Rxe3 19. Rad1 Qf6 20. Bd5 Bf5 21. Qc7 Re7 22. Qxe7 Qxe7 23. Bxa8 {1/2-1/2 (36) Andreikin,D (2726)-Vidit,S (2726) Chess. com INT 2020}) 17... bxc5 18. hxg4 Bxg4 19. Qf2 Qd6 20. Rac1 Rad8 {[%CAl Ba8d8, Bd8d2,Bd2b2][%mdl 32]} 21. Rc3 Bf5 22. Rfc1 Qd2 23. Qxd2 Rxd2 24. Bb5 Re7 ( 24... Red8 {with more complications.} 25. Rxc5 g6 26. b4 Rxa2 27. Bc6 Be6) 25. Rxc5 {[#] Threatening mate with Rc8+!} g6 26. R1c3 Rxb2 27. a4 Be4 28. Rc7 Rxg2+ 29. Kf1 Rxc7 30. Rxc7 $11 {[%mdl 4096] Endgame KRB-KRB} Rc2 31. Rxa7 h5 32. Be8 Bd5 33. e4 Bc4+ 34. Kg1 {The position is equal.} h4 35. Rc7 {Black must now prevent Bxf7+!} Rc1+ 36. Kh2 {Bxf7+! is the strong threat.} Rc2+ 37. Kg1 {Hoping for Bxf7+!} Rc1+ 38. Kh2 {Threatens to win with Bxf7+!} Rc2+ 39. Kg1 {A rather calm draw. Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.21"] [White "Blohberger, Felix"] [Black "Samunenkov, Ihor"] [Result "1/2-1/2"] [ECO "A33"] [WhiteElo "2502"] [BlackElo "2288"] [Annotator "TA"] [PlyCount "134"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,134,6,24,0,10,0,3,7,0,0,0,0,6,0,11,13,34,31,19,0,12,3,0,0,8,-64,-26, -56,-48,-46,-43,-61,-4,-6,0,0,0,0,6,6,6,0,2,0,2,2,2,2,2,2,2,2,2,2,2,2,2,0,2,2, 2,1,2,0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bf4 d5 7. cxd5 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} Nxd5 8. Nxc6 bxc6 9. Bd2 Bb4 10. Qc2 Qa5 11. a3 {[%CAl Ba2a3,Ba3b4][%mdl 32]} Rb8 12. e3 Nxc3 13. Qc1 {[%mdl 64] [#] Pin } Qb6 14. axb4 Ne4 {[#]} 15. Ra4 $146 ({Predecessor:} 15. Bc3 Nxc3 16. bxc3 c5 17. b5 O-O 18. Be2 c4 19. Bxc4 Bd7 20. O-O Rfc8 21. Be2 Bxb5 22. Bxb5 Qxb5 23. Rxa7 {1/2-1/2 (33) Banusz,T (2580)-Rapport,R (2621) Germany 2013}) 15... Nxd2 16. Qxd2 O-O 17. Bd3 c5 18. Qc2 ({White should try} 18. bxc5 $11 Qxc5 19. O-O) 18... cxb4 (18... Bd7 $5 {[%CAl Rd7a4]} 19. b5 Bxb5 20. Bxh7+ Kh8 $17) 19. O-O g6 20. Rfa1 Bb7 21. Qc4 Rfc8 (21... Rfd8 $1 $15) 22. Rxb4 {The position is equal.} Rxc4 (22... Qd6 {is more complex.} 23. Qd4 Bd5 24. Rxb8 Rxb8 25. Rxa7 e5) 23. Rxb6 axb6 24. Bxc4 Ra8 25. Rxa8+ Bxa8 $11 {[%mdl 4096] Endgame KB-KB} 26. f4 h5 27. Kf2 Kf8 28. g3 Ke7 29. Ke2 Kd6 30. Kd3 Kc5 31. Kc3 Bc6 32. b4+ Kd6 33. Kd3 f6 34. h4 Ke7 35. Kd4 Kd6 36. Kc3 Ke7 37. Kd4 Kd6 38. e4 e5+ 39. Kd3 Ke7 40. Ke3 Bb7 41. Bb5 Kf7 42. Be2 Bc6 43. f5 Kg7 44. fxg6 Kxg6 45. g4 hxg4 46. Bxg4 Kh6 47. Kf3 Kg6 48. Bf5+ Kh5 49. Kg3 Kh6 50. Kg4 Bb7 51. b5 Ba8 ( 51... Kg7 {keeps more tension.} 52. Kf3 Kf7 53. Ke3 Kg7 54. Kf3) 52. Kf3 Kh5 53. Kg3 (53. Bd7 {feels hotter.} Bb7 54. Bc6 Bc8 55. Kg3 Kg6 56. Be8+) 53... Bb7 54. Bg4+ Kh6 55. Kf3 Kg6 56. Bf5+ Kh5 57. Kg3 Ba8 (57... Kh6 {with more complications.} 58. Kg2 Ba8 59. Kh3 Bb7 60. Kg3 Kh5) 58. Bg4+ Kh6 59. Kf3 Bb7 60. Ke3 Kg6 61. Kf3 Kh6 62. Bf5 Kh5 63. Kg3 Ba8 64. Bg4+ Kh6 65. Kf3 Bb7 66. Ke3 Kg6 67. Kd3 Kh6 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.22"] [White "Silich, Yahor"] [Black "Kantans, Toms"] [Result "1/2-1/2"] [ECO "B30"] [WhiteElo "2289"] [BlackElo "2501"] [Annotator "TA"] [PlyCount "47"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,47,9,20,14,-20,4,14,21,39,35,29,30,30,31,23,34,20,34,-10,-7,0,23,-7, 0,0,7,13,6,0,30,0,12,14,19,23,89,93,79,110]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O a6 6. Bd3 Nc6 $1 {The main line 6...Nc6 scores better than 6... Ne7. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Nd5 {[#]} Bd6 $146 ({Predecessor:} 7... g6 8. Re1 Bg7 9. c3 Nge7 10. Nxe7 Qxe7 11. Bc2 e5 12. d4 d6 13. dxc5 dxc5 14. Be3 {1-0 (40) Jones,G (2670)-Navara,D (2697) Tornelo INT 2020}) 8. Ne3 Nge7 {The position is equal.} 9. c3 Bc7 10. Bc2 d5 11. exd5 exd5 12. d4 cxd4 $1 13. Nxd4 O-O 14. Nef5 Nxf5 15. Nxf5 Re8 (15... g6 {looks sharper.} 16. Nd4 Re8 17. Be3 Na5 18. Nf3 Bg4) 16. Be3 g6 17. Nd4 $40 {White is up to no good.} Ne5 18. Bf4 Qf6 19. Bg3 Bb6 20. h3 Nc4 21. Nf3 Nxb2 22. Qxd5 {[#] aiming for Qb3.} Be6 (22... Qxc3 $11 {remains equal.} 23. Rfc1 Be6 24. Qxb7 Qa5) 23. Qxb7 $16 Nc4 24. Bb3 {Weighted Error Value: White=0. 09/Black=0. 11} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.23"] [White "Budisavljevic, Luka"] [Black "Kruckenhauser, Arthur"] [Result "1/2-1/2"] [ECO "D31"] [WhiteElo "2495"] [BlackElo "2262"] [Annotator "TA"] [PlyCount "157"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,157,20,0,0,0,0,-29,-20,-42,247,245,351,288,296,164,159,150,267,86, 133,0,65,0,0,0,0,0,0,0,0,0,0,0,0,7,0,16,220,190,200,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,58,58,58,58,58,58,62,14,62,62,72,58,58,58,66,58,66,66,66,66,66,0,0,0,0,0,8, 8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 Qc7 {D31: Queen's Gambit Declined: Semi-Slav without ... Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ... Nf6.} 15. e4 e5 16. dxe5 Nh5 {Black has an edge.} 17. Qd2 {[#]} O-O-O $146 { [%mdl 8192]} (17... Nc5 $15 {keeps the upper hand.} 18. Be2 Nb3 {[%mdl 64] Double Attack}) ({Predecessor:} 17... Nc5 18. Bc2 O-O 19. g4 Rfd8 20. Nd4 Nf4 { 1/2-1/2 (20) Beim,V (2545)-Shcherbakov,R (2510) Leeuwarden 1994}) 18. Qe3 $18 g6 (18... Nf8 $142 19. Nd4 Ne6) 19. O-O Nc5 20. Bc2 (20. Be2 $142) 20... Ng7 21. Nd4 Ba6 (21... Rxd4 $16 {was necessary.} 22. Bxd4 Nge6 23. Bxc5 Nxc5) 22. Rfc1 $2 (22. f4 $18 {and White stays clearly on top.}) 22... Nge6 $16 23. Bd1 ( 23. Nb5 $16 Bxb5 24. cxb5) 23... h5 (23... Rd7 $1 $11) 24. Be2 (24. Ba4 $14) 24... Nxd4 25. Bxd4 Rxd4 26. Qxd4 Nb3 27. Qb2 Nxc1 28. Rxc1 Re8 29. c5 $1 Bxe2 30. Qxe2 Rxe5 $11 {[%mdl 4096] Endgame KQR-KQR} 31. c6 Re6 $2 (31... Kd8 $11 { and Black is okay.}) 32. Qa6+ $18 Kd8 {[#]} 33. f3 $2 (33. Qb7 $1 $18 { Threatens to win with e5!} Rd6 34. g3) 33... b3 $11 34. Qd3+ Kc8 35. Qa6+ Kd8 $1 36. Qb5 b2 37. Qxb2 {And now Rd1+ would win.} Rxc6 38. Rxc6 Qxc6 {KQ-KQ} 39. Qd2+ {[%mdl 64] [#] Double Attack} Ke7 40. Qxa5 Kf8 ({Black should try} 40... Qc1+ $1 $11 41. Kf2 Qb2+ 42. Kf1 Qc1+ 43. Qe1 Qc5) 41. Qd8+ Kg7 42. Qd4+ Kg8 43. Kf2 Qc1 44. e5 Qc2+ (44... g5 {keeps more tension.} 45. Qe3 Qc2+ 46. Qe2 Qc8 47. h3 Kg7) 45. Kg3 Qf5 46. h4 Qe6 47. Qd6 {Strongly threatening Qxe6.} Qf5 48. Qf6 {Qxf5 is the strong threat.} Qd7 49. Kh2 Qd4 50. Kh3 Qc3 51. g4 (51. Qd8+ $14 Kg7 52. Qe7) 51... hxg4+ {The position is equal.} 52. Kxg4 Qc1 53. Qd8+ (53. Qf4 {is more complex.} Qg1+ 54. Qg3 Qb1 55. f4 Qf5+ 56. Kf3) 53... Kg7 54. Qd4 Kg8 55. h5 Qc8+ 56. Kh4 {Hoping for hxg6.} Qf5 57. Qd8+ (57. hxg6 { is interesting.} Qxf3 58. gxf7+ Kxf7 59. Qd7+ Kf8 60. Qd8+) 57... Kg7 {aiming for ...Qf4+.} 58. Qf6+ Qxf6+ 59. exf6+ {K3P-KPP} Kh6 60. f4 gxh5 {KPP-KPP} 61. f5 Kh7 {( -> ...Kh6)} 62. Kxh5 {KPP-KP} (62. Kg5 {feels hotter.} Kg8 63. Kf4 Kh7 64. Kg5) 62... Kh8 63. Kg4 {White threatens Kf4 and mate.} Kh7 64. Kg5 (64. Kf3 {keeps more tension.} Kh6 65. Kf4 Kh5 66. Ke5 Kg4 67. Ke4) 64... Kg8 65. Kf4 {Threatening mate with Ke5.} Kf8 66. Kg4 (66. Ke3 {feels hotter.} Ke8 67. Kd2 Kd8 68. Kc3 Kd7 69. Kd3) 66... Ke8 67. Kg5 $1 {[%CAl Rg5h6]} Kf8 68. Kh5 $1 Kg8 $1 69. Kh6 Kh8 $1 70. Kg5 {Intending Kf4 and mate.} Kg8 71. Kf4 {Ke5 would kill now.} Kf8 72. Kf3 Ke8 73. Kg4 Kf8 74. Kg3 (74. Kf3 {looks sharper.}) 74... Ke8 75. Kh4 Kf8 76. Kh5 Kg8 $1 77. Kg4 Kf8 78. Kg3 Ke8 79. Kf4 {Weighted Error Value: White=0.21/Black=0.28} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.24"] [White "Yurovskykh, Oleksandr"] [Black "Haug, Johannes"] [Result "1-0"] [WhiteElo "2269"] [BlackElo "2487"] [Annotator "RC"] [PlyCount "1"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:03]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.25"] [White "Raja Harshit"] [Black "Indriunas, Matas"] [Result "1-0"] [ECO "B76"] [WhiteElo "2486"] [BlackElo "2210"] [Annotator "ChessBase"] [PlyCount "89"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:09:48]} c5 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:12]} d6 {[%emt 0: 00:13]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:10]} g6 {[%emt 0:00:08]} 6. Be3 { [%emt 0:00:28]} Bg7 {[%emt 0:01:08]} 7. f3 {[%emt 0:00:07]} O-O {[%emt 0:00:05] } 8. Qd2 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 9. O-O-O {[%emt 0:00:07]} d5 { [%emt 0:00:06]} 10. exd5 {[%emt 0:00:15]} Nxd5 {[%emt 0:00:11]} 11. Nxc6 { [%emt 0:00:07]} bxc6 {[%emt 0:00:03]} 12. Bd4 {[%emt 0:00:07]} Bxd4 {[%emt 0: 01:00]} 13. Qxd4 {[%emt 0:00:43]} Qb6 {[%emt 0:00:14]} 14. Na4 {[%emt 0:00:08]} Qa5 {[%emt 0:00:20]} 15. b3 {[%emt 0:00:07]} Be6 {[%emt 0:00:14]} 16. Qe5 { [%emt 0:00:15]} Qb4 {[%emt 0:01:37]} 17. Kb2 {[%emt 0:00:09]} Rfd8 {[%emt 0:02: 55]} 18. Bc4 {[%emt 0:08:35]} Rab8 {[%emt 0:01:36]} 19. Bxd5 {[%emt 0:00:24]} cxd5 {[%emt 0:00:09]} 20. Rd4 {[%emt 0:04:06]} Qb5 {[%emt 0:00:14]} 21. h4 { [%emt 0:03:35]} Qc6 {[%emt 0:01:01]} 22. Re1 {[%emt 0:05:13]} Rd6 {[%emt 0:16: 07]} 23. h5 {[%emt 0:14:13]} f6 {[%emt 0:04:01]} 24. Qh2 {[%emt 0:01:00]} Rc8 { [%emt 0:13:57]} 25. g4 {[%emt 0:07:05]} g5 {[%emt 0:13:59]} 26. f4 {[%emt 0:06: 29]} gxf4 {[%emt 0:00:31]} 27. c3 {[%emt 0:09:24]} h6 {[%emt 0:12:26]} 28. Qxf4 {[%emt 0:00:47]} Kg7 {[%emt 0:00:06]} 29. Rd2 {[%emt 0:02:21]} Qe8 {[%emt 0:09: 27]} 30. Rde2 {[%emt 0:03:38]} Qf7 {[%emt 0:00:57]} 31. Qb4 {[%emt 0:01:41]} Re8 {[%emt 0:04:52]} 32. Qb7 {[%emt 0:06:24]} Kf8 {[%emt 0:03:46]} 33. Qc7 { [%emt 0:03:23]} Bxg4 {[%emt 0:14:05]} 34. Rxe7 {[%emt 0:00:09]} Rxe7 {[%emt 0: 00:11]} 35. Qxd6 {[%emt 0:00:04]} Bc8 {[%emt 0:01:19]} 36. Nc5 {[%emt 0:04:49]} Ke8 {[%emt 0:00:23]} 37. Nd7 {[%emt 0:00:37]} Rxe1 {[%emt 0:00:37]} 38. Nxf6+ { [%emt 0:00:04]} Qxf6 {[%emt 0:00:07]} 39. Qxf6 {[%emt 0:00:02]} Re2+ {[%emt 0: 00:22]} 40. Ka3 {[%emt 0:00:05]} Re6 {[%emt 0:00:03]} 41. Qd4 {[%emt 0:02:11]} Bb7 {[%emt 0:00:17]} 42. Qg7 {[%emt 0:00:40]} Rb6 {[%emt 0:00:19]} 43. Qc7 { [%emt 0:00:24]} Ra6+ {[%emt 0:00:46]} 44. Kb2 {[%emt 0:00:05]} Rb6 {[%emt 0:00: 02]} 45. a4 {[%emt 0:00:57]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.26"] [White "Deglmann, Ludwig"] [Black "Pavlov, Sergey"] [Result "0-1"] [ECO "A03"] [WhiteElo "2261"] [BlackElo "2481"] [Annotator "TA"] [PlyCount "64"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,64,-3,8,0,12,-12,-13,-27,0,0,-1,-8,0,0,50,0,0,-7,0,0,0,0,0,0,0,-72, -18,-10,-12,-29,0,0,-6,0,0,-106,-106,-110,-106,-104,-104,-110,-105,-162,-149, -243,-239,-239,-235,-322,-175,-422,-395,-416,-382,-378,-359]} 1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. d3 Nh6 6. Nc3 {A03: Bird's Opening with 1...d5.} Nf5 7. O-O Qb6+ 8. Kh1 {The position is equal.} Ne3 {[#]} (8... d4 $5 {[%CAl Rd4c3] } 9. Na4 Qa5 $11) 9. Bxe3 $146 ({Predecessor:} 9. Na4 Nxd1 10. Nxb6 axb6 11. Rxd1 Nd7 12. c3 Nc5 13. Bd2 O-O 14. Nd4 Bg4 15. Bf3 Bxf3+ 16. Nxf3 {1-0 (57) Townsend,M (2255)-Osborne,M (2255) England 2012}) 9... Qxe3 10. d4 Nd7 11. a4 Nf6 12. Ra3 (12. Ne5 $14 Ng4 13. Nxd5 cxd5 14. Ra3) 12... Qe6 $11 13. Ne5 Qd6 14. e4 Nxe4 15. Nxe4 dxe4 16. Bxe4 Be6 17. c4 (17. c3 $11 {remains equal.}) 17... Rd8 ({Black should play} 17... f6 $17 18. c5 Qc7) 18. Rd3 O-O 19. Re1 Bc8 20. c5 Qc7 21. b4 Be6 22. d5 (22. Qc1 $11) 22... cxd5 $17 23. Bxd5 Bxd5+ 24. Rxd5 Bxe5 25. Rexe5 e6 26. Rxd8 (26. Rd6 $17 {keeps fighting.}) 26... Rxd8 { [%mdl 4096] Endgame KQR-KQR} 27. Qf3 {[#]} (27. Qc2 $17 {might work better.}) 27... Rd4 $1 $19 28. b5 {intending Re4.} Rxa4 29. c6 Ra2 (29... bxc6 $142 30. bxc6 Rc4) 30. Re2 $2 (30. Qb3 Rf2 31. Kg1) 30... Rxe2 {[%mdl 64] Overworked Piece} 31. Qxe2 {[#] And now Qe5 would win.} bxc6 {[%CAl Bb7c6,Bc6c5][%mdl 32]} 32. Qc4 c5 {Weighted Error Value: White=0.44/Black=0.18} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.27"] [White "Roshka, Yevgeniy"] [Black "Andrejevs, Arvids"] [Result "1-0"] [ECO "D20"] [WhiteElo "2476"] [BlackElo "2204"] [Annotator "ChessBase"] [PlyCount "109"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:06:19]} d5 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:08]} dxc4 { [%emt 0:01:29]} 3. e4 {[%emt 0:01:45]} e5 {[%emt 0:00:22]} 4. Nf3 {[%emt 0:00: 46]} exd4 {[%emt 0:00:36]} 5. Bxc4 {[%emt 0:00:10]} Bb4+ {[%emt 0:01:06]} 6. Nbd2 {[%emt 0:02:52]} Nc6 {[%emt 0:00:49]} 7. O-O {[%emt 0:04:15]} Nf6 { [%emt 0:05:20]} 8. e5 {[%emt 0:04:08]} Nd5 {[%emt 0:01:39]} 9. Nb3 {[%emt 0:01: 36]} Nb6 {[%emt 0:13:51]} 10. Bb5 {[%emt 0:00:33]} O-O {[%emt 0:03:39]} 11. a3 {[%emt 0:03:55]} Be7 {[%emt 0:01:43]} 12. Bxc6 {[%emt 0:00:16]} bxc6 {[%emt 0: 00:07]} 13. Nbxd4 {[%emt 0:00:37]} c5 {[%emt 0:16:52]} 14. Nc6 {[%emt 0:02:20]} Qe8 {[%emt 0:00:07]} 15. Nxe7+ {[%emt 0:00:08]} Qxe7 {[%emt 0:00:06]} 16. Qc2 { [%emt 0:00:33]} h6 {[%emt 0:04:14]} 17. Be3 {[%emt 0:02:06]} c4 {[%emt 0:04:07] } 18. Rfe1 {[%emt 0:02:26]} Bb7 {[%emt 0:05:07]} 19. Bxb6 {[%emt 0:05:56]} cxb6 {[%emt 0:01:18]} 20. Qxc4 {[%emt 0:00:02]} Bxf3 {[%emt 0:00:20]} 21. gxf3 { [%emt 0:00:02]} Rac8 {[%emt 0:00:25]} 22. Qe4 {[%emt 0:00:08]} Rc5 {[%emt 0:01: 03]} 23. Rad1 {[%emt 0:02:25]} Rfc8 {[%emt 0:00:51]} 24. Re2 {[%emt 0:17:52]} R8c6 {[%emt 0:14:22]} 25. Kh1 {[%emt 0:03:53]} Rg6 {[%emt 0:08:15]} 26. f4 { [%emt 0:03:58]} Qh4 {[%emt 0:01:52]} 27. Qf5 {[%emt 0:12:03]} Qg4 {[%emt 0:08: 21]} 28. Qxg4 {[%emt 0:02:55]} Rxg4 {[%emt 0:00:17]} 29. f5 {[%emt 0:00:55]} Rg5 {[%emt 0:02:39]} 30. b4 {[%emt 0:00:10]} Rc8 {[%emt 0:01:51]} 31. e6 { [%emt 0:00:07]} Kf8 {[%emt 0:01:22]} 32. e7+ {[%emt 0:02:38]} Ke8 {[%emt 0:00: 02]} 33. Re5 {[%emt 0:00:14]} g6 {[%emt 0:01:35]} 34. Red5 {[%emt 0:00:10]} Kxe7 {[%emt 0:00:06]} 35. Rd7+ {[%emt 0:00:23]} Kf6 {[%emt 0:01:19]} 36. fxg6 { [%emt 0:01:29]} fxg6 {[%emt 0:00:24]} 37. Rxa7 {[%emt 0:02:47]} Rc2 {[%emt 0: 00:23]} 38. Ra6 {[%emt 0:01:52]} Rxf2 {[%emt 0:00:09]} 39. Rxb6+ {[%emt 0:00: 01]} Ke7 {[%emt 0:00:16]} 40. Rg1 {[%emt 0:03:52]} Rh5 {[%emt 0:00:23]} 41. Rgxg6 {[%emt 0:00:13]} Rhxh2+ {[%emt 0:00:49]} 42. Kg1 {[%emt 0:00:01]} Ra2 { [%emt 0:00:15]} 43. Rg7+ {[%emt 0:00:56]} Kf8 {[%emt 0:00:06]} 44. Rc7 { [%emt 0:00:09]} Rag2+ {[%emt 0:01:27]} 45. Kf1 {[%emt 0:00:01]} Rf2+ {[%emt 0: 00:11]} 46. Ke1 {[%emt 0:00:01]} Re2+ {[%emt 0:00:32]} 47. Kd1 {[%emt 0:00:01]} Re8 {[%emt 0:00:52]} 48. Rh7 {[%emt 0:05:08]} Rd8+ {[%emt 0:00:34]} 49. Ke1 { [%emt 0:00:24]} Re8+ {[%emt 0:00:29]} 50. Kf1 {[%emt 0:00:01]} Kg8 {[%emt 0:00: 41]} 51. Rbxh6 {[%emt 0:00:14]} Ra2 {[%emt 0:00:29]} 52. Rh8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:07]} 53. R6h7+ {[%emt 0:00:16]} Kg6 {[%emt 0:00:03]} 54. Rxe8 { [%emt 0:00:04]} Kxh7 {[%emt 0:00:03]} 55. Re3 {[%emt 0:00:07]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.28"] [White "Olde, Margareth"] [Black "Haldorsen, Benjamin"] [Result "1/2-1/2"] [ECO "E11"] [WhiteElo "2240"] [BlackElo "2471"] [Annotator "ChessBase"] [PlyCount "80"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:12:46]} 2. c4 {[%emt 0:00:12]} e6 {[%emt 0: 00:28]} 3. Nf3 {[%emt 0:00:33]} d5 {[%emt 0:00:20]} 4. g3 {[%emt 0:00:15]} Bb4+ {[%emt 0:00:26]} 5. Bd2 {[%emt 0:00:08]} a5 {[%emt 0:00:16]} 6. Bg2 {[%emt 0: 00:44]} O-O {[%emt 0:00:06]} 7. O-O {[%emt 0:00:28]} Be7 {[%emt 0:00:16]} 8. Qc2 {[%emt 0:02:31]} c6 {[%emt 0:00:08]} 9. Rd1 {[%emt 0:03:06]} Nbd7 {[%emt 0: 00:12]} 10. Bf4 {[%emt 0:04:28]} h6 {[%emt 0:00:09]} 11. b3 {[%emt 0:04:15]} Nh5 {[%emt 0:08:23]} 12. Bd2 {[%emt 0:04:36]} f5 {[%emt 0:00:35]} 13. Nc3 { [%emt 0:06:16]} Bd6 {[%emt 0:03:05]} 14. cxd5 {[%emt 0:06:40]} exd5 {[%emt 0: 01:17]} 15. e3 {[%emt 0:02:51]} g5 {[%emt 0:12:58]} 16. Na4 {[%emt 0:08:51]} Ng7 {[%emt 0:08:25]} 17. Nb2 {[%emt 0:03:07]} g4 {[%emt 0:02:46]} 18. Ne1 { [%emt 0:01:34]} Nf6 {[%emt 0:04:41]} 19. Nbd3 {[%emt 0:03:52]} Ne4 {[%emt 0:00: 15]} 20. Nf4 {[%emt 0:01:36]} h5 {[%emt 0:00:50]} 21. Ned3 {[%emt 0:05:51]} h4 {[%emt 0:04:10]} 22. Be1 {[%emt 0:09:19]} hxg3 {[%emt 0:05:32]} 23. hxg3 { [%emt 0:00:25]} Ne6 {[%emt 0:00:07]} 24. Nxe6 {[%emt 0:01:20]} Bxe6 {[%emt 0: 01:01]} 25. Nc5 {[%emt 0:03:02]} Qe7 {[%emt 0:01:33]} 26. b4 {[%emt 0:04:51]} axb4 {[%emt 0:01:35]} 27. Bxb4 {[%emt 0:01:36]} Nxc5 {[%emt 0:03:50]} 28. Bxc5 {[%emt 0:01:02]} Bxc5 {[%emt 0:00:04]} 29. dxc5 {[%emt 0:01:04]} Ra5 {[%emt 0: 00:27]} 30. Rdc1 {[%emt 0:01:12]} Rfa8 {[%emt 0:00:47]} 31. a4 {[%emt 0:00:40]} Kf7 {[%emt 0:01:51]} 32. Bf1 {[%emt 0:02:05]} Qf6 {[%emt 0:07:42]} 33. Rcb1 { [%emt 0:02:32]} R8a7 {[%emt 0:01:23]} 34. Ra3 {[%emt 0:02:37]} Bc8 {[%emt 0:02: 57]} 35. Rb4 {[%emt 0:01:15]} Qe7 {[%emt 0:02:49]} 36. Rc3 {[%emt 0:00:21]} Qe5 {[%emt 0:00:06]} 37. Ra3 {[%emt 0:06:07]} Qe7 {[%emt 0:00:57]} 38. Rc3 { [%emt 0:00:10]} Qe5 {[%emt 0:02:43]} 39. Ra3 {[%emt 0:01:11]} Qe7 {[%emt 0:05: 03]} 40. Rc3 {[%emt 0:00:27]} Qe5 {[%emt 0:07:31]} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.29"] [White "Miezis, Normunds"] [Black "Varshini, V..."] [Result "0-1"] [ECO "A29"] [WhiteElo "2468"] [BlackElo "2196"] [Annotator "Shahid"] [PlyCount "164"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] {[%evp 0,164,20,-12,-15,-15,-15,-34,-26,-34,-34,-25,0,0,0,-6,22,7,7,7,7,17,4, -11,24,-3,33,25,27,27,27,8,23,0,34,6,0,-12,-11,-11,-12,-36,-24,-22,-10,-7,-11, -11,-8,-17,-23,-23,-23,-23,-23,-23,17,14,14,-5,45,2,7,7,0,0,0,3,10,2,6,9,7,0,2, 0,21,10,21,0,25,0,0,0,51,0,0,0,0,-84,-73,-64,-64,-81,-82,-76,-72,-60,-71,-107, -147,-148,-178,-206,-202,-315,-328,-361,-121,-121,-121,-238,-318,-284,-230, -266,-235,-243,-252,-252,-258,-258,-241,-261,-223,-233,-235,-240,-243,-257, -233,-233,-243,-243,-243,-243,-243,-244,-223,-229,-232,-229,-220,-238,-237, -256,-270,-251,-264,-264,-279,-317,-331,-432,-450,-537,-537,-547,-547,-567, -669,-700,-745,-745,-745,-755,-755]} 1. c4 {[%emt 0:00:05]} e5 {[%emt 0:01:32]} 2. Nc3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:39]} 3. g3 {[%emt 0:00:24]} d5 { [%emt 0:00:40]} 4. cxd5 {[%emt 0:00:12]} Nxd5 {[%emt 0:00:07]} 5. Bg2 {[%emt 0: 00:10]} Nb6 {[%emt 0:00:43]} 6. Nf3 {[%emt 0:00:14]} Nc6 {[%emt 0:00:19]} 7. a3 {[%emt 0:01:11]} a5 {[%emt 0:01:28]} 8. d3 {[%emt 0:00:42]} Be7 {[%emt 0:01:05] } 9. O-O {[%emt 0:01:10]} O-O {[%emt 0:02:02]} 10. Be3 {[%emt 0:00:59]} Be6 { [%emt 0:01:32]} 11. Rc1 {[%emt 0:03:51]} Qd7 {[%emt 0:14:47]} 12. Ne4 {[%emt 0: 09:16]} a4 {[%emt 0:09:44]} 13. Nc5 {[%emt 0:08:18]} Bxc5 {[%emt 0:01:08]} 14. Bxc5 {[%emt 0:00:11]} Rfd8 {[%emt 0:03:01]} 15. Ng5 {[%emt 0:02:22]} Bb3 { [%emt 0:07:30]} 16. Qe1 {[%emt 0:03:07]} h6 {[%emt 0:05:55]} 17. Bh3 {[%emt 0: 11:03]} f5 {[%emt 0:06:13]} 18. Ne4 {[%emt 0:04:58]} Be6 {[%emt 0:03:30]} 19. Nc3 {[%emt 0:03:08]} Nd4 {[%emt 0:06:26]} 20. Bxd4 {[%emt 0:01:26]} exd4 { [%emt 0:00:23]} 21. Nb1 {[%emt 0:00:14]} c6 {[%emt 0:03:37]} 22. Qb4 {[%emt 0: 01:14]} Ra6 {[%emt 0:01:51]} 23. Nd2 {[%emt 0:04:19]} Qd6 {[%emt 0:02:58]} 24. Qxd6 {[%emt 0:03:26]} Rxd6 {[%emt 0:00:06]} 25. Rfe1 {[%emt 0:00:11]} Ra5 { [%emt 0:06:32]} 26. Rc2 {[%emt 0:02:03]} Bb3 {[%emt 0:11:28]} 27. Rcc1 { [%emt 0:02:09]} Kf7 {[%emt 0:03:43]} 28. e3 {[%emt 0:01:54]} dxe3 {[%emt 0:01: 45]} 29. Rxe3 {[%emt 0:00:11]} Re6 {[%emt 0:01:16]} 30. d4 {[%emt 0:01:58]} Rxe3 {[%emt 0:02:03]} 31. fxe3 {[%emt 0:00:12]} Be6 {[%emt 0:00:43]} 32. Bf1 { [%emt 0:01:21]} Ke7 {[%emt 0:00:41]} 33. Kf2 {[%emt 0:01:08]} g5 {[%emt 0:00: 45]} 34. h4 {[%emt 0:01:43]} gxh4 {[%emt 0:00:33]} 35. gxh4 {[%emt 0:00:09]} Ra8 {[%emt 0:00:34]} 36. Be2 {[%emt 0:01:38]} Rg8 {[%emt 0:00:36]} 37. Bf3 { [%emt 0:02:18]} Nd5 {[%emt 0:00:29]} 38. Nc4 {[%emt 0:02:10]} Nf6 {[%emt 0:00: 26]} 39. Nb6 {[%emt 0:01:34]} Bb3 {[%emt 0:00:27]} 40. Rc5 {[%emt 0:01:27]} Ng4+ {[%emt 0:00:31]} 41. Ke2 {[%emt 0:00:32]} Kf6 {[%emt 0:00:31]} 42. Ra5 { [%emt 0:01:42]} Nh2 {[%emt 0:00:11]} 43. Ra7 {[%emt 0:06:44]} Rg7 {[%emt 0:00: 54]} 44. Ra8 {[%emt 0:08:32]} Rg1 {[%emt 0:00:20]} 45. Nd7+ {[%emt 0:01:44]} Ke7 {[%emt 0:00:31]} 46. Ne5 {[%emt 0:00:09]} Rb1 {[%emt 0:00:39]} 47. Kf2 { [%emt 0:03:10]} Rxb2+ {[%emt 0:00:31]} 48. Kg3 {[%emt 0:00:11]} Nxf3 {[%emt 0: 00:17]} 49. Nxf3 {[%emt 0:00:29]} Ra2 {[%emt 0:00:44]} 50. Ne5 {[%emt 0:01:00]} Rxa3 {[%emt 0:00:25]} 51. Ra7 {[%emt 0:00:17]} Be6 {[%emt 0:00:33]} 52. Kf4 { [%emt 0:01:37]} Kd6 {[%emt 0:00:28]} 53. Rxb7 {[%emt 0:00:14]} Rb3 {[%emt 0:00: 28]} 54. Ra7 {[%emt 0:01:36]} a3 {[%emt 0:00:06]} 55. Ng6 {[%emt 0:00:53]} Rb1 {[%emt 0:00:58]} 56. Nf8 {[%emt 0:02:07]} Rf1+ {[%emt 0:00:20]} 57. Kg3 { [%emt 0:00:09]} a2 {[%emt 0:00:16]} 58. Nxe6 {[%emt 0:00:05]} a1=Q {[%emt 0:00: 16]} 59. Rxa1 {[%emt 0:00:08]} Rxa1 {[%emt 0:00:03]} 60. Nf4 {[%emt 0:00:17]} Rf1 {[%emt 0:00:39]} 61. h5 {[%emt 0:00:24]} Ke7 {[%emt 0:00:47]} 62. Nd3 { [%emt 0:00:28]} Ke6 {[%emt 0:00:40]} 63. Kg2 {[%emt 0:00:29]} Rd1 {[%emt 0:00: 19]} 64. Nf2 {[%emt 0:00:47]} Re1 {[%emt 0:01:07]} 65. Kf3 {[%emt 0:00:10]} Kf6 {[%emt 0:00:26]} 66. Nd3 {[%emt 0:00:14]} Rf1+ {[%emt 0:00:32]} 67. Ke2 { [%emt 0:00:51]} Ra1 {[%emt 0:00:33]} 68. Ne5 {[%emt 0:00:18]} Ra6 {[%emt 0:00: 25]} 69. Kf2 {[%emt 0:01:48]} Ke6 {[%emt 0:00:40]} (69... Kg5) 70. Kf3 { [%emt 0:00:07]} Kf6 {[%emt 0:00:30]} 71. Kf2 {[%emt 0:00:18]} f4 {[%emt 0:00: 27]} 72. e4 {[%emt 0:00:16]} Kg5 {[%emt 0:00:25]} 73. Nf7+ {[%emt 0:00:21]} Kxh5 {[%emt 0:00:22]} 74. Kf3 {[%emt 0:00:07]} Ra4 {[%emt 0:00:30]} 75. Kxf4 { [%emt 0:03:22]} Rxd4 {[%emt 0:00:08]} 76. Kf5 {[%emt 0:00:35]} Rd1 {[%emt 0:00: 47]} 77. e5 {[%emt 0:00:40]} Rf1+ {[%emt 0:00:12]} 78. Ke6 {[%emt 0:00:11]} Kg6 {[%emt 0:00:06]} 79. Nd6 {[%emt 0:00:29]} h5 {[%emt 0:00:12]} 80. Kd7 {[%emt 0: 00:21]} Re1 {[%emt 0:00:43]} 81. e6 {[%emt 0:00:26]} h4 {[%emt 0:00:12]} 82. e7 {[%emt 0:00:41]} h3 {[%emt 0:00:08]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.30"] [White "Redzisz, Michal"] [Black "Gokerkan, Cem Kaan"] [Result "0-1"] [ECO "E11"] [WhiteElo "2208"] [BlackElo "2466"] [Annotator "ChessBase"] [PlyCount "80"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:07:27]} 2. c4 {[%emt 0:00:11]} e6 {[%emt 0: 00:04]} 3. g3 {[%emt 0:00:26]} d5 {[%emt 0:00:14]} 4. Nf3 {[%emt 0:00:13]} Bb4+ {[%emt 0:00:15]} 5. Bd2 {[%emt 0:06:22]} Be7 {[%emt 0:00:52]} 6. Bg2 {[%emt 0: 01:03]} O-O {[%emt 0:00:10]} 7. O-O {[%emt 0:01:19]} c6 {[%emt 0:00:05]} 8. Qc2 {[%emt 0:01:41]} b6 {[%emt 0:00:15]} 9. cxd5 {[%emt 0:06:15]} cxd5 {[%emt 0:01: 35]} 10. Nc3 {[%emt 0:15:11]} Bb7 {[%emt 0:07:09]} 11. Rfc1 {[%emt 0:03:40]} Nc6 {[%emt 0:02:03]} 12. a3 {[%emt 0:04:47]} Rc8 {[%emt 0:04:25]} 13. Qd3 { [%emt 0:07:18]} h6 {[%emt 0:14:25]} 14. b4 {[%emt 0:06:36]} Ne8 {[%emt 0:04:18] } 15. e4 {[%emt 0:09:51]} dxe4 {[%emt 0:02:11]} 16. Nxe4 {[%emt 0:00:04]} f5 { [%emt 0:14:20]} 17. Nc3 {[%emt 0:04:25]} Bf6 {[%emt 0:25:34]} 18. Ne2 {[%emt 0: 04:20]} g5 {[%emt 0:03:52]} 19. Qe3 {[%emt 0:07:01]} Qd7 {[%emt 0:05:40]} 20. h4 {[%emt 0:05:21]} gxh4 {[%emt 0:01:10]} 21. gxh4 {[%emt 0:04:05]} Nc7 { [%emt 0:02:14]} 22. Qxh6 {[%emt 0:07:09]} Bg7 {[%emt 0:00:01]} 23. Qh5 { [%emt 0:00:55]} Nd5 {[%emt 0:00:01]} 24. Bh6 {[%emt 0:01:30]} Rf6 {[%emt 0:00: 42]} 25. Bg5 {[%emt 0:01:42]} Rf7 {[%emt 0:00:01]} 26. b5 {[%emt 0:00:51]} Nce7 {[%emt 0:00:29]} 27. Ne5 {[%emt 0:00:32]} Bxe5 {[%emt 0:00:19]} 28. dxe5 { [%emt 0:00:03]} Rg7 {[%emt 0:01:51]} 29. Rd1 {[%emt 0:01:08]} Qxb5 {[%emt 0:00: 24]} 30. Nd4 {[%emt 0:00:52]} Qd7 {[%emt 0:00:00]} 31. Ne2 {[%emt 0:00:30]} Rc4 {[%emt 0:00:37]} 32. Rac1 {[%emt 0:00:32]} Rg4 {[%emt 0:00:57]} 33. Ng3 { [%emt 0:00:03]} Rh7 {[%emt 0:00:40]} 34. Kh1 {[%emt 0:00:50]} Rxh5 {[%emt 0:00: 56]} 35. Nxh5 {[%emt 0:00:03]} Qa4 {[%emt 0:00:46]} 36. Bxe7 {[%emt 0:00:53]} Rxg2 {[%emt 0:00:56]} 37. Kxg2 {[%emt 0:00:37]} Nxe7+ {[%emt 0:00:14]} 38. Kf1 {[%emt 0:00:18]} Ba6+ {[%emt 0:00:54]} 39. Kg1 {[%emt 0:00:27]} Qg4+ {[%emt 0: 00:05]} 40. Ng3 {[%emt 0:00:01]} f4 {[%emt 0:00:28]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "2.31"] [White "Petkov, Momchil"] [Black "Mansoor, Afras"] [Result "1-0"] [ECO "C77"] [WhiteElo "2443"] [BlackElo "2192"] [Annotator "NA"] [PlyCount "53"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:00:06]} e5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:09]} Nc6 { [%emt 0:00:05]} 3. Bb5 {[%emt 0:00:14]} a6 {[%emt 0:00:07]} 4. Ba4 {[%emt 0:00: 11]} Nf6 {[%emt 0:00:06]} 5. d3 {[%emt 0:00:09]} b5 {[%emt 0:00:06]} 6. Bb3 { [%emt 0:00:06]} Bc5 {[%emt 0:00:14]} 7. c3 {[%emt 0:00:43]} d6 {[%emt 0:00:58]} 8. Bg5 {[%emt 0:00:25]} Rb8 {[%emt 0:02:05]} 9. Nbd2 {[%emt 0:03:50]} h6 { [%emt 0:01:55]} 10. Bh4 {[%emt 0:00:08]} O-O {[%emt 0:05:25]} 11. O-O {[%emt 0: 07:06]} Re8 {[%emt 0:11:26]} 12. a4 {[%emt 0:10:11]} b4 {[%emt 0:10:41]} 13. a5 {[%emt 0:00:28]} Ba7 {[%emt 0:05:40]} 14. Bc4 {[%emt 0:11:53]} g5 {[%emt 0:13: 43]} 15. Bg3 {[%emt 0:00:08]} Ne7 {[%emt 0:06:42]} 16. d4 {[%emt 0:11:54]} bxc3 {[%emt 0:06:31]} 17. bxc3 {[%emt 0:01:07]} exd4 {[%emt 0:07:56]} 18. Nxd4 { [%emt 0:01:06]} d5 {[%emt 0:11:33]} 19. exd5 {[%emt 0:03:44]} Nfxd5 {[%emt 0: 01:45]} 20. Ne4 {[%emt 0:19:27]} Kg7 {[%emt 0:06:27]} 21. Re1 {[%emt 0:06:00]} f5 {[%emt 0:03:40]} 22. Be5+ {[%emt 0:00:14]} Kg6 {[%emt 0:00:04]} 23. Ng3 { [%emt 0:01:19]} Nf6 {[%emt 0:02:14]} 24. Bxf6 {[%emt 0:01:15]} Kxf6 {[%emt 0: 00:04]} 25. Qh5 {[%emt 0:00:17]} Ng6 {[%emt 0:01:47]} 26. Qxh6 {[%emt 0:00:17]} Rh8 {[%emt 0:01:25]} 27. Nh5# {[%emt 0:00:06]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.1"] [White "Nihal Sarin"] [Black "Raja Harshit"] [Result "1-0"] [ECO "D40"] [WhiteElo "2655"] [BlackElo "2486"] [Annotator "Shahid"] [PlyCount "155"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 c5 5. d4 a6 6. cxd5 exd5 7. g3 Nc6 8. Bg2 Bd6 9. dxc5 Bxc5 10. O-O O-O 11. Ne2 Ne4 12. b3 Qf6 13. Rb1 Bg4 14. Bb2 Qf5 15. Nfd4 Qg5 16. Nxc6 bxc6 17. Qc2 Nxf2 (17... Bb6 18. Bxe4 (18. Qxc6 Bxe2 19. Qxb6 Bxf1 $17) 18... dxe4 $15) 18. Rxf2 Qxe3 19. Nf4 Bf5 20. Qxf5 Qxf2+ 21. Kh1 Rae8 22. Bc3 Bd4 23. Rf1 Qe3 24. Bxd4 Qxd4 25. Qc2 Rc8 26. Bh3 Rc7 27. Qe2 g6 28. Qxa6 Ra7 29. Qxc6 Rxa2 30. Bg2 Rb2 31. Qxd5 Qxd5 32. Bxd5 Kg7 33. Bc4 Rc2 34. Kg1 Re8 35. Rf2 Rc1+ 36. Kg2 f5 37. Rd2 Re7 38. h4 Ra7 39. Kf2 Kf6 40. Rd6+ Ke7 41. Re6+ Kd8 42. Re2 Raa1 43. Ne6+ Kc8 44. Rd2 Kb7 45. Rd6 Ra2+ 46. Ke3 Re1+ 47. Kf3 Rc2 48. Rd7+ Kb6 49. Bd5 Rd1 50. b4 Rd3+ 51. Kf4 Rf2+ 52. Ke5 Re3+ 53. Kd6 Kb5 54. Rb7+ Ka4 55. Kc5 Rc2+ 56. Kd4 Rxg3 57. Nc5+ Ka3 58. Nd3 Ka4 59. Nc5+ Ka3 60. Nd3 Ka4 61. Rxh7 Rg4+ 62. Ke5 Rc3 63. Ra7+ Kb5 64. Rb7+ Ka4 65. Nc5+ Ka3 66. Kd6 Rxb4 67. Ra7+ Kb2 68. Na4+ Kc2 69. Nxc3 Kxc3 70. Ra3+ Kd2 71. Rh3 Ke2 72. Bf7 Kf2 73. Bxg6 Rb6+ 74. Ke5 Rxg6 75. h5 Rh6 76. Kf4 (76. Kxf5) 76... Kg2 77. Rh4 Ra6 78. h6 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.2"] [White "Pavlov, Sergey"] [Black "Kovalenko, Igor"] [Result "1/2-1/2"] [ECO "A21"] [WhiteElo "2481"] [BlackElo "2644"] [Annotator "TA"] [PlyCount "72"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,72,0,0,0,-3,-8,18,23,35,-8,-14,-21,0,0,12,10,35,16,27,14,21,6,6,6,11, 12,8,14,29,31,42,17,24,4,10,11,12,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0]} 1. c4 e5 2. Nc3 d6 3. g3 f5 4. d4 Nc6 5. dxe5 dxe5 6. Qxd8+ { A21: English Opening: 1...e5 2 Nc3.} Nxd8 7. Nf3 e4 8. Nd4 c6 {[#]} 9. g4 $146 ({Predecessor:} 9. f3 exf3 10. exf3 Nf6 11. Bg5 Be7 12. O-O-O Kf7 13. Bd3 g6 14. h3 Ne6 15. Nxe6 Bxe6 {0-1 (33) Malisauskas,V (2477)-Klim,K (2328) Warsaw 2011}) 9... fxg4 10. Nxe4 Nf6 11. Nxf6+ gxf6 12. h3 Ne6 13. Nxe6 Bxe6 14. hxg4 Bxg4 15. Bd2 h5 16. Bh3 {[#] aiming for Bxg4.} Rg8 {...Bxh3 is the strong threat.} 17. Bxg4 hxg4 18. Bc3 Kf7 19. Rd1 Re8 20. Rd7+ Re7 $1 {[%CAl Re7d7]} 21. Rh7+ Bg7 {The position is equal.} 22. Rxe7+ Kxe7 $11 {[%mdl 4096] Endgame KRB-KRB} 23. f3 gxf3 $1 24. exf3 Kf7 25. Rh4 Re8+ 26. Re4 f5 27. Rxe8 Bxc3+ 28. bxc3 Kxe8 {KP-KP} 29. c5 Ke7 30. Ke2 Ke6 31. Ke3 Kd5 32. Kf4 Ke6 33. Ke3 Ke5 { [#] Hoping for ...f4+.} 34. c4 $1 Kf6 {And now ...Kg5 would win.} 35. f4 Kg6 { Threatens to win with ...Kh5.} 36. Kf3 Kh5 {Weighted Error Value: White=0.05/ Black=0.05} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.3"] [White "Narayanan.S.L"] [Black "Roshka, Yevgeniy"] [Result "1-0"] [ECO "E04"] [WhiteElo "2624"] [BlackElo "2476"] [Annotator "Shahid"] [PlyCount "67"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. Ne5 Nxe5 8. dxe5 Nd5 9. Na3 Be7 10. Nxc4 O-O 11. a3 Qc7 12. Nd6 Rd8 13. e4 Nb6 14. Qh5 Bxd6 15. exd6 Qxd6 16. Bf4 Qf8 17. Rfd1 Rxd1+ 18. Rxd1 Bd7 19. Bd6 Qe8 20. Bxc5 e5 21. b3 Rc8 22. Bb4 Qe6 23. Qf3 Rc2 24. Bf1 h6 25. Ba5 Bc6 26. Bb4 Qf6 27. Qxf6 gxf6 28. f3 Rb2 $4 (28... Bd7) 29. Rd8+ Kg7 30. Bh3 Rb1+ 31. Kf2 Rb2+ 32. Ke1 f5 33. Bf8+ Kg8 (33... Kf6 34. Rd6+ Kg5 35. Bxh6+ Kh5 36. Bg4+ $1 fxg4 37. Bc1 $18) 34. Bd6+ 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.4"] [White "Gokerkan, Cem Kaan"] [Black "Hakobyan, Aram"] [Result "0-1"] [ECO "B22"] [WhiteElo "2466"] [BlackElo "2612"] [Annotator "TA"] [PlyCount "86"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,86,34,36,33,35,43,95,81,58,39,29,27,31,18,62,6,5,0,6,0,0,0,10,0,39,30, 37,31,30,0,0,0,0,0,0,0,0,0,0,-4,0,-51,-52,-93,0,-91,-102,-108,-101,-102,-95, -191,-171,-291,-297,-271,-265,-258,-262,-308,-250,-335,-256,-323,-317,-315, -247,-261,-165,-195,-202,-275,-206,-1247,-1225,-1191,-1168,-953,-600]} 1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Nf6 5. Ng5 d5 6. exd5 {B22: Sicilian: 2 c3.} Nxd5 7. d4 Be7 $5 {[%mdl 4] Leaves trodden paths.} ({Black should play} 7... cxd4 $14 8. O-O Be7) 8. dxc5 $16 {White is better.} ({Much weaker is} 8. Nxf7 $6 Kxf7 9. Qf3+ Ke6 $11) 8... Bxg5 {[#]} 9. Bxd5 $146 ({Predecessor:} 9. Bxg5 Qxg5 10. Bxd5 O-O 11. Nd2 Bg4 12. Bf3 Be6 13. Ne4 Qg6 14. O-O f5 15. Bh5 {1-0 (68) Hansen,H-Madsen,H Ringsted 1993}) 9... Bxc1 10. Bxc6+ bxc6 11. Qxc1 Ba6 12. c4 (12. Qe3 $14) 12... Qd3 $11 13. b3 Qe4+ $1 14. Kf1 Qd4 15. Nc3 Qxc5 16. Qe3 Qe7 17. Ke2 O-O 18. Rhe1 f5 19. Kd2 Rae8 20. Kc2 Bc8 21. Kb2 f4 22. Qf3 Qf6 23. h3 Bf5 24. Ne4 Qg6 25. Rad1 (25. c5 $1 $11) 25... Rd8 $36 {[%mdl 2048] Black is more active.} 26. Nc3 Qf6 (26... Rxd1 $17 27. Rxd1 e4 28. Qxf4 Bxh3) 27. Rxd8 ( 27. Ne4 $11 Qg6 28. Nc3) 27... Rxd8 $17 {White is on the road to losing.} 28. Rd1 {White wants to play Rxd8+.} Rd4 29. g4 e4 30. Qh1 (30. Qe2 $17 {was necessary.} Bg6 31. g5) 30... Bg6 $19 31. Rxd4 (31. g5 {might work better.} Qd6 32. Qe1) 31... Qxd4 32. Qe1 e3 33. fxe3 fxe3 34. Ka3 Qd6+ 35. Ka4 Qe5 36. Ne2 Qb2 37. Nc3 Qf2 38. Qd1 h6 39. Qd4 Kh7 40. a3 Bc2 {...Qf3 is the strong threat. } 41. Qxa7 $2 (41. Qe5) 41... Qd2 {Black is clearly winning.} 42. Qa5 e2 43. Nxe2 {[#]} Bxb3+ $1 {[%mdl 512] Weighted Error Value: White=0.46/Black=0.19} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.5"] [White "Smirin, Ilia"] [Black "Petkov, Momchil"] [Result "1-0"] [ECO "B91"] [WhiteElo "2610"] [BlackElo "2443"] [Annotator "TA"] [PlyCount "89"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,89,16,14,6,0,0,0,0,0,0,0,0,0,0,0,0,0,24,22,24,0,25,32,35,37,41,5,5,0, 0,-22,110,110,159,154,153,170,150,128,118,123,104,125,120,85,93,69,72,71,109, 101,141,133,154,140,246,240,229,222,230,233,227,245,271,231,202,187,781,775, 765,717,784,772]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg2 O-O 9. O-O Qc7 10. a4 Be6 {B91: Sicilian Najdorf: 6 g3.} 11. a5 $5 {[%mdl 4] Exploring less charted territory.} Nbd7 12. Re1 Rfc8 {The position is equal.} 13. h3 Bd8 14. Be3 Qb8 {[#]} 15. Bf1 $146 ({Predecessor:} 15. Qd3 Bc4 16. Qd2 b6 17. Red1 Rc6 18. Ra3 b5 19. Nd5 Nxd5 20. exd5 Rc8 21. Raa1 Bxb3 22. cxb3 {1/2-1/2 (27) Dimov,D (2407)-Voronin,A (2417) ICCF email 2016}) 15... Rc6 16. Bg2 b6 17. Nd5 {axb6 is the strong threat.} Bxd5 (17... Rc8 {is interesting.} 18. Qe2 Nxd5 19. exd5 Bf5 20. c3 b5) 18. exd5 Rc8 19. Qb1 bxa5 20. Nxa5 Bxa5 21. Rxa5 Qb4 22. Ra1 a5 23. c3 Qb5 24. Qa2 Nc5 (24... a4 $11 {keeps the balance.}) 25. b4 $1 $16 {[%CAl Rb4c5]} Nce4 26. bxa5 Nxc3 27. Qa3 Nfxd5 28. Bd2 {Black must now prevent Bxc3.} e4 29. Bxe4 Nxe4 30. Rxe4 Ra6 31. Rd4 h6 32. Qd3 (32. Rc1 {is more complex.} Rd8 33. Qf3 Nf6 34. Rf4 Qb2 35. Rd1) 32... Qxd3 33. Rxd3 Ne7 34. Rb1 Rca8 35. Rb6 d5 36. Kg2 Rxb6 (36... R6a7 $16 37. Bb4 f6 38. Bxe7 Rxe7) 37. axb6 {[%mdl 4096] Endgame KRB-KRN} Rb8 38. Rb3 Rb7 {[#]} 39. Be3 $1 f6 40. Ra3 Nc6 {...d4 would now be nice for Black.} 41. Rc3 Ne7 42. Bc5 {Threatens to win with Bxe7.} Kf7 $2 (42... Nc6 43. f4 d4) 43. Ra3 $18 {White is clearly winning.} Nc6 {[#]} 44. Ra7 $1 {[%CAl Ra7b7][%mdl 512]} Nd8 (44... Nxa7 45. bxa7) 45. Bd6 {Weighted Error Value: White=0.08/ Black=0.18} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.6"] [White "Plotkin, Mark"] [Black "Erigaisi Arjun"] [Result "0-1"] [ECO "E04"] [WhiteElo "2430"] [BlackElo "2597"] [Annotator "ChessBase"] [PlyCount "100"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:10]} d5 {[%emt 0:02:01]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0: 00:08]} 3. Nc3 {[%emt 0:00:06]} c6 {[%emt 0:00:12]} 4. Nf3 {[%emt 0:00:11]} dxc4 {[%emt 0:00:29]} 5. g3 {[%emt 0:06:19]} b5 {[%emt 0:02:21]} 6. Bg2 { [%emt 0:00:20]} Bb7 {[%emt 0:00:23]} 7. O-O {[%emt 0:00:46]} Nf6 {[%emt 0:01: 33]} 8. Ne5 {[%emt 0:07:41]} Nd5 {[%emt 0:03:18]} 9. e4 {[%emt 0:04:28]} Nxc3 { [%emt 0:02:06]} 10. bxc3 {[%emt 0:00:03]} Nd7 {[%emt 0:00:12]} 11. f4 {[%emt 0: 00:32]} Qc7 {[%emt 0:04:17]} 12. Qh5 {[%emt 0:11:35]} g6 {[%emt 0:01:21]} 13. Qh3 {[%emt 0:01:43]} Nxe5 {[%emt 0:04:33]} 14. fxe5 {[%emt 0:01:08]} h6 { [%emt 0:01:30]} 15. a4 {[%emt 0:15:06]} b4 {[%emt 0:02:11]} 16. cxb4 {[%emt 0: 07:55]} O-O-O {[%emt 0:00:11]} 17. Be3 {[%emt 0:05:27]} Bxb4 {[%emt 0:01:02]} 18. Rac1 {[%emt 0:04:04]} c3 {[%emt 0:01:06]} 19. Qh4 {[%emt 0:00:20]} a5 { [%emt 0:01:38]} 20. Qf6 {[%emt 0:01:03]} Rh7 {[%emt 0:00:24]} 21. Rfd1 { [%emt 0:00:58]} h5 {[%emt 0:09:33]} 22. Qf2 {[%emt 0:05:03]} Rhh8 {[%emt 0:02: 48]} 23. h4 {[%emt 0:05:34]} Kb8 {[%emt 0:04:53]} 24. Kh2 {[%emt 0:01:06]} Rd7 {[%emt 0:00:31]} 25. Rd3 {[%emt 0:02:45]} c5 {[%emt 0:06:02]} 26. Rdxc3 { [%emt 0:03:43]} Bxc3 {[%emt 0:00:39]} 27. Rxc3 {[%emt 0:00:02]} c4 {[%emt 0:00: 26]} 28. Qc2 {[%emt 0:07:17]} Rc8 {[%emt 0:00:26]} 29. Bf1 {[%emt 0:00:44]} Ba6 {[%emt 0:00:11]} 30. Kg2 {[%emt 0:01:49]} Ka8 {[%emt 0:01:39]} 31. Kf2 { [%emt 0:00:24]} Qb8 {[%emt 0:01:58]} 32. Kf3 {[%emt 0:01:30]} Qb4 {[%emt 0:02: 07]} 33. Kf2 {[%emt 0:03:22]} Rb7 {[%emt 0:05:09]} 34. Be2 {[%emt 0:01:56]} Qb1 {[%emt 0:02:34]} 35. d5 {[%emt 0:01:58]} Rb2 {[%emt 0:00:30]} 36. Qxb1 { [%emt 0:00:35]} Rxb1 {[%emt 0:00:06]} 37. d6 {[%emt 0:00:23]} Kb7 {[%emt 0:00: 23]} 38. Bg5 {[%emt 0:00:38]} Kc6 {[%emt 0:00:09]} 39. Ke3 {[%emt 0:00:37]} Rb2 {[%emt 0:02:05]} 40. Bd1 {[%emt 0:00:24]} Kd7 {[%emt 0:00:54]} 41. Kd4 { [%emt 0:00:16]} Rf2 {[%emt 0:00:46]} 42. Ke3 {[%emt 0:00:52]} Rf1 {[%emt 0:01: 05]} 43. Be2 {[%emt 0:00:01]} Ra1 {[%emt 0:00:18]} 44. Kf2 {[%emt 0:00:22]} Ra2 {[%emt 0:02:05]} 45. Rf3 {[%emt 0:00:54]} f5 {[%emt 0:00:09]} 46. exf6 { [%emt 0:00:34]} c3 {[%emt 0:00:06]} 47. f7 {[%emt 0:00:02]} Bxe2 {[%emt 0:03: 18]} 48. Rxc3 {[%emt 0:00:42]} Rxc3 {[%emt 0:00:38]} 49. f8=Q {[%emt 0:00:29]} Bg4+ {[%emt 0:01:15]} 50. Ke1 {[%emt 0:00:02]} Re2+ {[%emt 0:00:07]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.7"] [White "Puranik, Abhimanyu"] [Black "Haria, Ravi"] [Result "1-0"] [ECO "C02"] [WhiteElo "2580"] [BlackElo "2440"] [Annotator "Shahid"] [PlyCount "47"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] {[%evp 0,47,22,16,50,30,26,3,-1,-4,10,1,-4,-13,-1,-34,-27,-66,-63,-64,-42,-63, -61,-59,-62,-59,-71,-71,-65,-100,-90,-111,-19,-21,-10,-14,0,0,0,-65,102,249, 237,209,218,228,290,294,301,259]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:04:59]} 2. d4 {[%emt 0:00:23]} d5 {[%emt 0:00:12]} 3. e5 {[%emt 0:00:15]} c5 {[%emt 0:00: 06]} 4. c3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:35]} 5. Nf3 {[%emt 0:00:31]} Nc6 { [%emt 0:00:19]} 6. Bd3 {[%emt 0:01:29]} cxd4 {[%emt 0:00:57]} 7. O-O {[%emt 0: 00:31]} Bd7 {[%emt 0:02:13]} 8. Re1 {[%emt 0:00:33]} Nge7 {[%emt 0:19:52]} 9. h4 {[%emt 0:01:46]} h6 {[%emt 0:06:11]} 10. h5 {[%emt 0:02:13]} Rc8 {[%emt 0: 10:24]} 11. Na3 {[%emt 0:06:02]} a6 {[%emt 0:03:29]} 12. Nc2 {[%emt 0:09:24]} dxc3 {[%emt 0:02:53]} 13. bxc3 {[%emt 0:00:09]} Na5 {[%emt 0:01:48]} 14. Be3 { [%emt 0:03:47]} Qc7 {[%emt 0:01:37]} 15. Rb1 {[%emt 0:01:04]} Nc4 {[%emt 0:00: 29]} 16. Bxc4 {[%emt 0:01:11]} Qxc4 {[%emt 0:16:45]} 17. Rxb7 {[%emt 0:00:52]} Nf5 {[%emt 0:09:14]} 18. Nfd4 {[%emt 0:08:14]} Nxe3 {[%emt 0:02:03]} 19. Nxe3 { [%emt 0:01:18]} Qxc3 {[%emt 0:01:27]} 20. Nxd5 {[%emt 0:09:50]} exd5 {[%emt 0: 00:13]} (20... Qa5 21. Nb6 Rd8 22. Nxd7 Rxd7 23. Rb8+ Rd8 24. Rxd8+ Qxd8 25. Qa4+ $18) 21. e6 {[%emt 0:00:12]} fxe6 {[%emt 0:01:08]} 22. Nxe6 {[%emt 0:01: 41]} Be7 {[%emt 0:06:45]} 23. Qe2 {[%emt 0:03:54]} Qf6 {[%emt 0:01:40]} 24. Nf4 {[%emt 0:47:04]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.8"] [White "Laurusas, Tomas"] [Black "Raja Rithvik R"] [Result "1-0"] [ECO "D38"] [WhiteElo "2549"] [BlackElo "2433"] [Annotator "ChessBase"] [PlyCount "133"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:02:25]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0: 00:12]} 3. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:09]} Bb4 {[%emt 0:00:07]} 5. cxd5 {[%emt 0:00:08]} exd5 {[%emt 0:00:06]} 6. Bg5 { [%emt 0:00:27]} h6 {[%emt 0:00:26]} 7. Bh4 {[%emt 0:00:05]} O-O {[%emt 0:00:10] } 8. e3 {[%emt 0:00:07]} Bf5 {[%emt 0:00:12]} 9. Be2 {[%emt 0:00:09]} Nbd7 { [%emt 0:09:49]} 10. Qb3 {[%emt 0:03:22]} Bxc3+ {[%emt 0:00:08]} 11. Qxc3 { [%emt 0:00:06]} c6 {[%emt 0:00:18]} 12. Nd2 {[%emt 0:00:26]} Ne4 {[%emt 0:01: 56]} 13. Bxd8 {[%emt 0:00:45]} Nxc3 {[%emt 0:00:05]} 14. bxc3 {[%emt 0:00:08]} Raxd8 {[%emt 0:09:37]} 15. a4 {[%emt 0:01:24]} b6 {[%emt 0:04:39]} 16. Nf1 { [%emt 0:04:08]} Rfe8 {[%emt 0:05:09]} 17. Kd2 {[%emt 0:00:12]} Re7 {[%emt 0:03: 07]} 18. Ng3 {[%emt 0:00:49]} Bg6 {[%emt 0:00:10]} 19. Rhe1 {[%emt 0:00:45]} Rde8 {[%emt 0:01:14]} 20. Bf1 {[%emt 0:00:08]} Nf6 {[%emt 0:02:13]} 21. f3 { [%emt 0:00:06]} c5 {[%emt 0:00:08]} 22. Rac1 {[%emt 0:14:02]} Kf8 {[%emt 0:05: 38]} 23. h4 {[%emt 0:02:57]} h5 {[%emt 0:03:55]} 24. Bd3 {[%emt 0:04:59]} Bxd3 {[%emt 0:00:26]} 25. Kxd3 {[%emt 0:00:02]} g6 {[%emt 0:00:44]} 26. Kd2 { [%emt 0:05:22]} Rc8 {[%emt 0:10:41]} 27. Ne2 {[%emt 0:00:13]} Rec7 {[%emt 0:00: 04]} 28. Rc2 {[%emt 0:03:00]} cxd4 {[%emt 0:08:30]} 29. exd4 {[%emt 0:01:05]} Rc4 {[%emt 0:01:56]} 30. Ra1 {[%emt 0:02:10]} Ke7 {[%emt 0:02:02]} 31. Rb2 { [%emt 0:01:17]} Rb8 {[%emt 0:09:38]} 32. Nf4 {[%emt 0:01:41]} Kd6 {[%emt 0:00: 06]} 33. Nd3 {[%emt 0:07:04]} Nd7 {[%emt 0:00:28]} 34. a5 {[%emt 0:02:38]} b5 { [%emt 0:03:02]} 35. a6 {[%emt 0:08:31]} Ra4 {[%emt 0:05:31]} 36. Rxa4 {[%emt 0: 12:52]} bxa4 {[%emt 0:00:08]} 37. Kc2 {[%emt 0:01:54]} Nb6 {[%emt 0:05:42]} 38. Ne5 {[%emt 0:03:44]} f6 {[%emt 0:01:46]} 39. Nxg6 {[%emt 0:00:28]} a3 {[%emt 0: 00:06]} 40. Rb4 {[%emt 0:06:24]} Nc4 {[%emt 0:04:34]} 41. Kb3 {[%emt 0:00:11]} Re8 {[%emt 0:00:03]} 42. Nf4 {[%emt 0:00:09]} Re1 {[%emt 0:00:04]} 43. Nxh5 { [%emt 0:07:47]} Re2 {[%emt 0:03:15]} 44. Rxc4 {[%emt 0:00:05]} dxc4+ {[%emt 0: 00:03]} 45. Kxa3 {[%emt 0:00:05]} Rxg2 {[%emt 0:00:04]} 46. Nxf6 {[%emt 0:00: 05]} Rg6 {[%emt 0:00:40]} 47. Ng4 {[%emt 0:00:05]} Re6 {[%emt 0:01:03]} 48. Kb4 {[%emt 0:06:53]} Kd5 {[%emt 0:00:09]} 49. h5 {[%emt 0:00:56]} Rb6+ {[%emt 0:00: 52]} 50. Ka5 {[%emt 0:00:06]} Rb3 {[%emt 0:00:25]} 51. h6 {[%emt 0:00:23]} Ra3+ {[%emt 0:01:35]} 52. Kb4 {[%emt 0:00:03]} Rb3+ {[%emt 0:00:30]} 53. Ka4 { [%emt 0:00:01]} Rb1 {[%emt 0:00:16]} 54. Ne3+ {[%emt 0:00:21]} Kc6 {[%emt 0:00: 21]} 55. Nxc4 {[%emt 0:00:08]} Rh1 {[%emt 0:00:04]} 56. Ne5+ {[%emt 0:01:02]} Kd5 {[%emt 0:00:02]} 57. h7 {[%emt 0:03:02]} Rxh7 {[%emt 0:00:11]} 58. Kb5 { [%emt 0:00:03]} Rc7 {[%emt 0:02:04]} 59. c4+ {[%emt 0:00:33]} Kxd4 {[%emt 0:00: 02]} 60. Nc6+ {[%emt 0:00:04]} Ke3 {[%emt 0:00:44]} 61. c5 {[%emt 0:00:39]} Kxf3 {[%emt 0:00:11]} 62. Nxa7 {[%emt 0:00:04]} Rxa7 {[%emt 0:01:05]} 63. Kb6 { [%emt 0:00:35]} Ra8 {[%emt 0:00:31]} 64. Kb7 {[%emt 0:01:46]} Rh8 {[%emt 0:00: 12]} 65. a7 {[%emt 0:00:04]} Ke4 {[%emt 0:00:47]} 66. c6 {[%emt 0:00:04]} Kd5 { [%emt 0:00:28]} 67. c7 {[%emt 0:00:05]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.9"] [White "Yurovskykh, Oleksandr"] [Black "Pultinevicius, Paulius"] [Result "0-1"] [ECO "D36"] [WhiteElo "2269"] [BlackElo "2528"] [Annotator "ChessBase"] [PlyCount "116"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:10]} d5 { [%emt 0:00:26]} 3. c4 {[%emt 0:02:51]} e6 {[%emt 0:00:22]} 4. cxd5 {[%emt 0:00: 15]} exd5 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:03]} c6 {[%emt 0:01:15]} 6. Bg5 { [%emt 0:00:07]} Be7 {[%emt 0:01:13]} 7. e3 {[%emt 0:00:26]} O-O {[%emt 0:06:06] } 8. Qc2 {[%emt 0:00:50]} Re8 {[%emt 0:03:49]} 9. Bd3 {[%emt 0:01:47]} Nbd7 { [%emt 0:00:06]} 10. O-O {[%emt 0:00:19]} h6 {[%emt 0:00:05]} 11. Bh4 {[%emt 0: 02:45]} a5 {[%emt 0:04:03]} 12. Nd2 {[%emt 0:05:00]} Nb6 {[%emt 0:03:10]} 13. Na4 {[%emt 0:07:23]} Nxa4 {[%emt 0:01:19]} 14. Qxa4 {[%emt 0:00:05]} Be6 { [%emt 0:05:29]} 15. Qc2 {[%emt 0:02:37]} Nd7 {[%emt 0:06:55]} 16. Bxe7 { [%emt 0:01:08]} Qxe7 {[%emt 0:00:05]} 17. Nb3 {[%emt 0:01:45]} Rec8 {[%emt 0: 04:00]} 18. Nc5 {[%emt 0:02:04]} Nxc5 {[%emt 0:04:36]} 19. dxc5 {[%emt 0:05:25] } Rcb8 {[%emt 0:07:47]} 20. b3 {[%emt 0:05:57]} Qf6 {[%emt 0:02:43]} 21. Rfc1 { [%emt 0:00:39]} Kf8 {[%emt 0:01:34]} 22. Rab1 {[%emt 0:01:32]} g6 {[%emt 0:04: 07]} 23. g3 {[%emt 0:08:03]} Kg7 {[%emt 0:00:49]} 24. Qc3 {[%emt 0:04:18]} d4 { [%emt 0:09:56]} 25. Qxd4 {[%emt 0:08:32]} Qxd4 {[%emt 0:00:26]} 26. exd4 { [%emt 0:00:14]} Rd8 {[%emt 0:00:05]} 27. Bc4 {[%emt 0:08:42]} Bf5 {[%emt 0:00: 21]} 28. Rb2 {[%emt 0:03:22]} Rxd4 {[%emt 0:00:06]} 29. Re2 {[%emt 0:00:43]} Kf6 {[%emt 0:00:07]} 30. Rce1 {[%emt 0:00:42]} Rd7 {[%emt 0:03:49]} 31. a4 { [%emt 0:06:35]} Rad8 {[%emt 0:01:50]} 32. Kg2 {[%emt 0:05:32]} g5 {[%emt 0:11: 30]} 33. f3 {[%emt 0:09:46]} Bd3 {[%emt 0:02:20]} 34. Bxd3 {[%emt 0:03:00]} Rxd3 {[%emt 0:00:07]} 35. Rb1 {[%emt 0:00:04]} R8d4 {[%emt 0:01:46]} 36. Kf2 { [%emt 0:03:42]} Rc3 {[%emt 0:00:22]} 37. Reb2 {[%emt 0:01:28]} Rb4 {[%emt 0:01: 04]} 38. Ke2 {[%emt 0:00:07]} Ke5 {[%emt 0:03:47]} 39. Rd1 {[%emt 0:00:35]} Rbxb3 {[%emt 0:00:49]} 40. Rxb3 {[%emt 0:00:04]} Rxb3 {[%emt 0:00:05]} 41. Rd7 {[%emt 0:00:10]} f5 {[%emt 0:01:32]} 42. Rh7 {[%emt 0:00:28]} Rb2+ {[%emt 0:02: 11]} 43. Ke3 {[%emt 0:00:41]} f4+ {[%emt 0:02:57]} 44. gxf4+ {[%emt 0:00:03]} gxf4+ {[%emt 0:00:05]} 45. Kd3 {[%emt 0:00:02]} Rxh2 {[%emt 0:01:34]} 46. Rxb7 {[%emt 0:00:11]} Ra2 {[%emt 0:01:22]} 47. Rd7 {[%emt 0:01:43]} Ra3+ {[%emt 0: 02:29]} 48. Ke2 {[%emt 0:00:10]} Re3+ {[%emt 0:00:20]} 49. Kf2 {[%emt 0:00:33]} Rc3 {[%emt 0:00:06]} 50. Rd6 {[%emt 0:00:21]} Rxc5 {[%emt 0:00:48]} 51. Rxh6 { [%emt 0:00:05]} Kd4 {[%emt 0:01:05]} 52. Re6 {[%emt 0:01:35]} Kc3 {[%emt 0:00: 49]} 53. Ke2 {[%emt 0:01:00]} Rc4 {[%emt 0:00:35]} 54. Re5 {[%emt 0:00:38]} c5 {[%emt 0:00:22]} 55. Rf5 {[%emt 0:00:35]} Kb3 {[%emt 0:00:50]} 56. Kd3 { [%emt 0:00:53]} Rd4+ {[%emt 0:00:06]} 57. Ke2 {[%emt 0:00:03]} Kb4 {[%emt 0:00: 08]} 58. Re5 {[%emt 0:00:41]} c4 {[%emt 0:00:08]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.10"] [White "Visakh N R"] [Black "Vignesh N R"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2516"] [BlackElo "2428"] [Annotator "TA"] [PlyCount "80"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 27,80,19,28,25,28,26,33,35,18,24,33,10,14,12,16,22,38,10,32,3,13,10,14, 15,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. Ne2 {[%CAl Bc3e2,Be2d4,Bd4c2,Bc2a3] [%mdl 32]} Ne8 14. f4 a5 15. f5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} a4 {[#]} 16. Nbd4 {16.Nbd4 was played by the boomers.} exd4 (16... b3 17. Kb1) 17. Nxd4 {White is slightly better.} b3 18. Kb1 bxc2+ $1 19. Nxc2 Bb3 20. axb3 axb3 21. Na3 Ne5 22. h4 Ra4 23. Rh3 Qa8 { The position is equal.} 24. Qd5 {Black must now prevent Qxa8.} Rxa3 25. bxa3 Qxa3 {[#] ( -> ...Qa2+)} 26. Rd2 {Hoping for Bf2.} Nc7 27. Qb7 Qa5 {And now ... Ra8 would win.} ({Don't go for} 27... Ra8 $2 28. Bd4 $18) 28. Qb6 Qc3 29. Qd4 $1 {[%CAl Rd4c3]} Qc6 30. f6 Rc8 31. fxe7 Nb5 {[%csl Gc8][%CAl Rc6c1]} 32. e8=Q+ Qxe8 33. Bxb5 Qxb5 {[#]} 34. Rf2 $146 {Threatens to win with Bc1.} ({ Predecessor:} 34. Rhh2 Nc4 35. Rd1 Na3+ 36. Kb2 Nc4+ 37. Kb1 Na3+ 38. Kb2 Nc4+ {1/2-1/2 (38) Wei,Y (2501)-Cheparinov,I (2709) Reykjavik 2013}) 34... b2 { ...Nd3 is the strong threat.} 35. Rhh2 ({Much worse is} 35. Qxb2 Qd3+ 36. Rc2 Rxc2 $17) 35... Qa6 {[%csl Gb2][%CAl Ra6a1]} 36. Qxb2 Nc4 37. Qb3 {aiming for Rc2.} Na3+ 38. Kb2 Nc4+ 39. Kb1 {Strongly threatening Rc2.} Na3+ 40. Kb2 Nc4+ { Weighted Error Value: White=0.03/Black=0.00} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.11"] [White "Varshini, V.."] [Black "Grigorov, Grigor"] [Result "0-1"] [ECO "B15"] [WhiteElo "2196"] [BlackElo "2507"] [Annotator "ChessBase"] [PlyCount "118"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:01:57]} c6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:25]} d5 {[%emt 0: 00:07]} 3. Nc3 {[%emt 0:00:13]} dxe4 {[%emt 0:00:10]} 4. Nxe4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:08]} 5. Nxf6+ {[%emt 0:00:23]} exf6 {[%emt 0:00:10]} 6. c3 { [%emt 0:00:14]} Bd6 {[%emt 0:00:11]} 7. Bd3 {[%emt 0:00:26]} Na6 {[%emt 0:00: 16]} 8. Ne2 {[%emt 0:09:15]} Nc7 {[%emt 0:00:11]} 9. Bf4 {[%emt 0:03:11]} Bg4 { [%emt 0:02:01]} 10. Bxd6 {[%emt 0:03:09]} Qxd6 {[%emt 0:01:41]} 11. O-O { [%emt 0:01:32]} O-O {[%emt 0:06:14]} 12. h3 {[%emt 0:04:38]} Bh5 {[%emt 0:00: 15]} 13. Qc2 {[%emt 0:00:52]} Bg6 {[%emt 0:00:13]} 14. Ng3 {[%emt 0:01:41]} Ne6 {[%emt 0:00:49]} 15. Ne4 {[%emt 0:04:42]} Qc7 {[%emt 0:02:55]} 16. Nc5 { [%emt 0:08:52]} Nf4 {[%emt 0:04:47]} 17. Bxg6 {[%emt 0:03:39]} hxg6 {[%emt 0: 00:14]} 18. Rfe1 {[%emt 0:02:44]} b6 {[%emt 0:01:18]} 19. Nd3 {[%emt 0:01:44]} Ne6 {[%emt 0:00:20]} 20. Rad1 {[%emt 0:02:02]} Rad8 {[%emt 0:00:53]} 21. Nb4 { [%emt 0:10:55]} a5 {[%emt 0:06:04]} 22. d5 {[%emt 0:02:23]} cxd5 {[%emt 0:07: 21]} 23. Nxd5 {[%emt 0:01:12]} Qc5 {[%emt 0:00:07]} 24. Qe4 {[%emt 0:07:50]} b5 {[%emt 0:03:57]} 25. Nf4 {[%emt 0:10:33]} Ng5 {[%emt 0:08:01]} 26. Qe3 { [%emt 0:07:30]} Qxe3 {[%emt 0:01:51]} 27. fxe3 {[%emt 0:00:07]} Rfe8 {[%emt 0: 03:04]} 28. Kf2 {[%emt 0:00:39]} Ne4+ {[%emt 0:00:35]} 29. Ke2 {[%emt 0:00:42]} Rc8 {[%emt 0:03:21]} 30. Nd5 {[%emt 0:04:34]} f5 {[%emt 0:04:10]} 31. Rd4 { [%emt 0:01:46]} Rc5 {[%emt 0:00:57]} 32. Red1 {[%emt 0:00:34]} g5 {[%emt 0:09: 20]} 33. Kf3 {[%emt 0:02:08]} Re6 {[%emt 0:00:56]} 34. g4 {[%emt 0:02:02]} g6 { [%emt 0:01:42]} 35. Kg2 {[%emt 0:00:55]} Kg7 {[%emt 0:01:03]} 36. Rf1 {[%emt 0: 01:37]} Nd6 {[%emt 0:05:55]} 37. Nb6 {[%emt 0:00:52]} Rc6 {[%emt 0:01:10]} 38. Nd5 {[%emt 0:00:31]} Re5 {[%emt 0:00:12]} 39. Rf2 {[%emt 0:00:48]} Nc4 { [%emt 0:04:42]} 40. b3 {[%emt 0:00:28]} Nxe3+ {[%emt 0:02:34]} 41. Nxe3 { [%emt 0:00:04]} Rxe3 {[%emt 0:00:06]} 42. c4 {[%emt 0:00:52]} bxc4 {[%emt 0:00: 14]} 43. bxc4 {[%emt 0:00:21]} Re4 {[%emt 0:02:14]} 44. Rd5 {[%emt 0:00:43]} fxg4 {[%emt 0:00:16]} 45. Rxg5 {[%emt 0:00:27]} gxh3+ {[%emt 0:00:26]} 46. Kxh3 {[%emt 0:00:03]} a4 {[%emt 0:00:43]} 47. c5 {[%emt 0:00:35]} Rc4 {[%emt 0:00: 07]} 48. Rff5 {[%emt 0:00:49]} f6 {[%emt 0:01:14]} 49. Rg3 {[%emt 0:00:28]} R6xc5 {[%emt 0:00:11]} 50. Rf2 {[%emt 0:00:20]} Rc3 {[%emt 0:00:12]} 51. Rf4 { [%emt 0:00:28]} Rxg3+ {[%emt 0:00:11]} 52. Kxg3 {[%emt 0:00:03]} Rc3+ {[%emt 0: 00:07]} 53. Kg4 {[%emt 0:00:10]} f5+ {[%emt 0:02:52]} 54. Kg5 {[%emt 0:00:12]} Rg3+ {[%emt 0:00:09]} 55. Kh4 {[%emt 0:00:04]} Ra3 {[%emt 0:00:35]} 56. Rf2 { [%emt 0:00:32]} Kf6 {[%emt 0:00:14]} 57. Rg2 {[%emt 0:00:15]} Rc3 {[%emt 0:00: 41]} 58. Rg1 {[%emt 0:01:49]} Rc2 {[%emt 0:00:31]} 59. a3 {[%emt 0:00:09]} Rh2+ {[%emt 0:00:18]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.12"] [White "Karthikeyan, Murali"] [Black "Kretainis, Kristaps"] [Result "1/2-1/2"] [ECO "A05"] [WhiteElo "2606"] [BlackElo "2192"] [Annotator "TA"] [PlyCount "116"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,116,17,18,8,9,0,8,0,0,0,3,-15,-14,-27,-14,-58,-37,-67,-37,-46,-41,-42, -22,-89,40,29,64,36,39,0,25,0,16,-36,39,-48,-43,-50,-50,-95,-75,-67,-37,-46, -12,-9,22,22,22,-14,22,0,0,-18,0,0,0,-25,59,25,190,190,190,200,192,205,193,59, 129,110,70,-37,-34,-8,-8,-8,0,-10,0,-764,-750,-774,-774,-769,-769,-625,-735, -653,-543,-543,-520,-540,-519,-504,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. a4 {A05: Réti Opening: 1 Nf3 Nf6.} b4 7. Nbd2 c5 8. e4 Nc6 9. Re1 Be7 10. e5 Nd7 11. h4 h6 12. Nf1 a5 {[#]} 13. c3 $146 ({Predecessor:} 13. N1h2 Qc7 14. Qe2 Rc8 15. c3 Ba6 16. Bf4 Nb6 17. Ng4 Qd8 18. h5 Bg5 19. Bxg5 hxg5 {1-0 (31) Koenig,D-Barth,H Bochum 1990}) 13... Nb6 14. N3h2 $1 Qc7 15. Qg4 g6 ({Not} 15... Nxe5 $2 16. Qxg7 O-O-O 17. Qxe5 $18) 16. d4 (16. Qe2 $11) 16... c4 (16... bxc3 $17 17. bxc3 cxd4 18. cxd4 h5) 17. h5 g5 18. f4 {[%CAl Rf4g5]} O-O-O 19. f5 Kb8 $1 20. Ne3 Bc8 21. Rf1 (21. f6 $11 Bf8 22. Qd1) 21... b3 (21... f6 $15 22. exf6 (22. fxe6 $2 fxe5 23. dxe5 Nxe5 $19) 22... exf5 23. Nxf5 Bxf6) 22. fxe6 (22. Qe2 $14) 22... fxe6 $15 23. Qe2 Rdf8 24. Bh3 Nd8 25. Nhg4 Rxf1+ 26. Qxf1 Qc6 27. Nf6 Bxf6 28. Qxf6 Qe8 29. Bg2 Nd7 30. Qg7 Qf8 31. Qxf8 Rxf8 32. Ng4 Rh8 33. Bf3 Nc6 (33... Nb6 $11) 34. Kg2 Ne7 $2 {[#]} (34... Nd8 $11) 35. Nxh6 $1 $18 {[%mdl 576] Decoy} Rxh6 36. Bxg5 Rh7 37. g4 {[%mdl 1024] White has strong compensation.} Kc7 38. Kg3 ({White should try} 38. Bxe7 $18 Rxe7 39. h6) 38... Ng8 (38... Nf8 $14) 39. Be2 Nb6 40. Bf6 (40. Rf1 $1 $14) 40... Bd7 $1 $15 41. g5 Nxa4 42. g6 Rh6 43. Bg7 (43. Bg5 $5 {[%CAl Rg5h6]} Nxb2 44. Bxh6 Nxh6 45. Kf4 $17) 43... Nxb2 {And now ...Na4 would win.} 44. Rxa5 {[%mdl 8192]} (44. Bxh6 $11 Nxh6 45. Kf4) 44... Na4 $19 { White must now prevent ...b2.} 45. Ra7+ Kb8 46. Rxd7 b2 47. Rd8+ Kb7 48. Rxg8 { [#]} Rxg6+ $3 {[%mdl 576] Promotion} 49. hxg6 b1=Q 50. Bf6 Nxc3 51. Bf3 { intending g7.} Qe1+ $2 ({Black should play} 51... Ne4+ $19 52. Bxe4 dxe4 53. g7 Qg1+ 54. Kh3 e3 55. Re8 e2 56. g8=Q Qxg8 57. Rxg8 e1=Q $19) 52. Kf4 {Threatens to win with g7.The position is equal.} (52. Kg4 {is more complex.} Qg1+ 53. Kh5 Qh2+ 54. Bh4 Ne2 55. Bxe2 Qxe2+ 56. Kh6) 52... Ne4 (52... Qd2+ {looks sharper.} 53. Kg4 Qxd4+ 54. Kh5 Ne4 55. Bxe4 Qd1+) 53. Bxe4 Qxe4+ $11 {[%mdl 64] Double Attack. KQ-KRB} (53... dxe4 {is interesting.} 54. g7 Qf2+ 55. Kg5 Qg3+ 56. Kh6 e3) 54. Kg5 Qe3+ 55. Kh5 {Hoping for g7.} Qh3+ ({But not} 55... Qxd4 $2 56. g7 $18) (55... c3 $5 56. g7 $8 Qh3+ 57. Bh4 Qg2 $11) 56. Bh4 Qf5+ 57. Kh6 Qh3 58. Kh5 Qf5+ {Never resign too early! Weighted Error Value: White=0.35/Black=0.29} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.13"] [White "Akesson, Ralf"] [Black "Donchenko, Alexander"] [Result "1-0"] [ECO "A13"] [WhiteElo "2395"] [BlackElo "2657"] [Annotator "TA"] [PlyCount "95"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,95,35,33,18,17,14,35,24,40,13,22,30,31,23,43,29,30,21,54,48,60,0,0,0, 0,-32,-18,-19,-11,-7,-13,-25,18,-8,-12,-14,0,0,0,0,0,0,0,-9,0,0,0,-23,0,-79,0, -31,0,0,7,0,41,57,70,0,0,-12,0,0,0,-295,0,0,1424,1413,1399,1010,6131,6123, 29992,29993,29993,29994,29994,29994,29994,29995]} 1. Nf3 Nf6 2. c4 e6 3. g3 a6 4. Bg2 b5 5. b3 c5 6. O-O Bb7 7. Nc3 $1 {7.Nc3 is better than 7.Bb2.} Qb6 8. e3 Be7 9. Qe2 {[%CAl Rc4b5] A13: English Opening: 1...e6.} O-O {has lost popularity (9...Ne4).} 10. Rd1 {[%CAl Rc4b5]} d5 11. cxb5 {White is slightly better.} axb5 12. Qxb5 Qc7 13. Qe2 Ba6 14. d3 Nc6 15. Bb2 {[#]} Rfd8 $146 ({ Predecessor:} 15... e5 16. e4 Rad8 17. Rac1 Rfe8 18. a3 Nd4 19. Nxd4 exd4 20. Nxd5 Nxd5 21. exd5 Bg5 {1-0 (40) Andersson,U (2620)-Ivanov,S (2660) Sweden 2004 }) 16. Rac1 e5 17. e4 {aiming for Nxd5.} d4 18. Nb1 (18. Nd5 $1 $14 Nxd5 19. exd5 Rxd5 20. Ng5 $1 {[%mdl 512]}) 18... Nd7 19. Bh3 Rdb8 20. Ne1 Bc8 {Black has compensation.} 21. Na3 Ra6 22. Ra1 Qa7 23. Nec2 g6 24. f4 exf4 25. gxf4 Nf6 26. Bxc8 Rxc8 27. Qf3 Nh5 28. Rf1 Bf8 29. Kh1 Bh6 30. Bc1 Rb8 31. Qh3 Qc7 { [%CAl Rh6f4]} 32. Qh4 (32. Qf3 $11 {keeps the balance.}) 32... Qa7 33. Qh3 Nb4 34. Nxb4 Rxb4 35. Nc4 Rxa2 (35... Rxb3 $5 36. Rg1 (36. axb3 Rxa1 37. Qf3 Qe7 $17) 36... Bg7 $11) 36. Rxa2 Qxa2 37. Qc8+ (37. Ne5 $1 $14 Rb8 38. Nxf7 $1) 37... Bf8 $11 38. f5 Qe2 {[%CAl Re2f1][%mdl 64] Double Attack} 39. Kg1 { Threatens to win with Ne5.} Qg4+ ({Don't go for} 39... Rxb3 $2 40. fxg6 (40. Bh6 Qg4+ 41. Kf2 Ng7 $11) 40... hxg6 41. Ne5 $18) 40. Kh1 $2 {[%mdl 8192] [#]} (40. Kf2 $1 $11 Nf4 41. Bxf4 Qxf4+ {[%mdl 64] Double Attack} 42. Kg1 Qg5+ 43. Kh1 Rxb3 44. Qc7) 40... Rxb3 $2 ({Black should try} 40... Ng3+ $1 $19 41. hxg3 Qh3+ {[%mdl 64] Double Attack} 42. Kg1 Qxg3+ {[%mdl 64] Double Attack} 43. Kh1 Qh3+ 44. Kg1 Qg3+ 45. Kh1 Qxd3) 41. Ne5 $1 $40 {[%CAl Re5g4,Bc4e5,Be5d7,Bd7f6] [%mdl 160] Black needs to defend precisely.} ({Wrong is} 41. Bh6 $2 {[#]} Ng3+ $1 {[%mdl 512]} 42. hxg3 Qh3+ 43. Kg1 Qxg3+ 44. Kh1 Qh3+ 45. Kg1 Qg3+ 46. Kh1 Rb8 $1 $19) 41... Qh4 {[%mdl 8192]} (41... Qe2 $11 42. Rg1 Rxd3) 42. Nd7 $1 $18 {[%csl Gd7,Bc5,Bf8][%CAl Rc8f8]} Qe7 43. Bh6 {[%CAl Rh6f8]} Rxd3 44. e5 { f6 would kill now.} Rh3 45. f6 {White mates.} Nxf6 46. Nxf6+ {[%mdl 64] Discovered Attack} Kh8 47. Bxf8 Rxh2+ 48. Kg1 {Weighted Error Value: White=0. 22/Black=0.40} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.14"] [White "Chukavin, Kirill"] [Black "Aravindh, Chithambaram VR."] [Result "0-1"] [ECO "B30"] [WhiteElo "2370"] [BlackElo "2641"] [Annotator "TA"] [PlyCount "78"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,78,29,26,18,29,27,32,27,31,4,8,0,0,0,16,14,24,15,18,5,0,0,0,0,22,0,0, -14,9,6,13,15,9,0,14,0,0,-18,-16,-17,0,-58,-51,-52,-71,-125,-133,-135,-139, -143,-129,-118,-56,-216,-112,-185,-164,-163,-159,-822,-816,-1791,-808,-29995, -29996,-29996,-29997]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 Nf6 7. Nf1 Bg4 8. Qd2 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} a6 $5 {[%mdl 4] Leaves trodden paths.} 9. a4 O-O 10. Ne3 {White is slightly better.} Be6 {[#]} 11. Ned5 $146 ({Predecessor:} 11. O-O Rb8 12. b3 Ne8 13. Ned5 Bxd5 14. Bxd5 Nc7 15. Qd1 Nb4 16. Be3 Bg5 17. Qd2 Bxe3 18. fxe3 Nbxd5 19. exd5 {1/2-1/2 (31) Sengupta,D (2488)-Roy Chowdhury,S (2427) Mumbai 2009}) 11... Nb4 12. Nxf6+ Bxf6 13. O-O h6 14. Qe2 Re8 15. Be3 Rc8 16. Rad1 Qd7 17. h3 Rb8 18. Ra1 Bg5 19. Nd1 Bf4 20. Qd2 g5 21. Qe2 Kh7 22. c3 Nc6 23. Bxe6 fxe6 24. Qh5 Rg8 25. g3 {[#]} Rg6 $1 26. Rb1 (26. Qe2 Rf8) 26... Rf8 27. Bc1 (27. b4 $11) 27... Bxc1 $15 28. Rxc1 Na5 29. b4 ({Better is} 29. Ne3) 29... cxb4 $17 30. cxb4 Nb3 31. Rc2 Nd4 32. Ra2 d5 (32... g4 $17 33. hxg4 d5) 33. Kg2 $2 {[#]} ( 33. Ne3 $15) 33... Qc6 (33... dxe4 $1 $19 34. dxe4 Qc6) 34. Re1 (34. Ra3 $17 { was called for.}) 34... Nf3 $36 {[%mdl 2048] Black is on the roll.} 35. Re3 Rgf6 {Strongly threatening ...Qc1.} 36. Ra1 (36. Rxf3 $17 Rxf3 37. Ne3 Rxe3 { [%mdl 64] Double Attack} 38. b5 axb5 39. axb5 Qxb5 40. Rc2) 36... Qc2 $19 37. exd5 {[#]} Ne1+ $1 {[%mdl 512]} 38. Rxe1 (38. Kh1 Rxf2) 38... Rxf2+ 39. Nxf2 Rxf2+ {Weighted Error Value: White=0.68/Black=0.24} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.15"] [White "Sarkar, Justin"] [Black "Praggnanandhaa R"] [Result "0-1"] [ECO "E52"] [WhiteElo "2338"] [BlackElo "2608"] [Annotator "TA"] [PlyCount "66"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,66,7,13,10,13,0,1,-2,11,10,13,18,21,0,0,0,0,-19,0,-26,-8,-26,-39, -150,-138,-147,-143,-128,-131,-128,-75,-92,30,32,16,0,17,0,96,70,65,0,119,65, 64,-354,-356,-716,-739,-654,-672,-982,-1040,-957,-840,-29996,-29997]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} exd5 8. a3 Bd6 9. b4 {The position is equal.} Re8 10. O-O {[#]} a6 $146 ({Predecessor:} 10... Bg4 11. Qc2 a6 12. Nd2 Bh5 13. Bb2 Bg6 14. Bxg6 hxg6 15. e4 dxe4 16. Ndxe4 Nc6 {1/2-1/2 (62) Andreikin,D (2532)-Van Wely,L (2674) Dresden 2007}) 11. Bb2 Nbd7 12. Qb3 Bb7 13. a4 c6 14. Rfe1 Ne4 15. Bxe4 dxe4 16. Nd2 Nf6 17. Nc4 {[#]} (17. h3 $15) 17... Bxh2+ $1 $17 {[%mdl 512]} 18. Kxh2 {[#]} Ng4+ $1 {[%mdl 64] Double Attack } 19. Kg1 Qh4 20. Nd1 Re6 (20... Qh5 $142 {aiming for ...Re6.} 21. d5 (21. Nxb6 Re6 $19) (21. Ne5 $2 Qh2+ 22. Kf1 Nxe5 $19) 21... cxd5) 21. Kf1 Rf6 ({Don't play} 21... Qh1+ $6 22. Ke2 $11) (21... Nh2+ $17 22. Ke2 Qg4+ 23. Kd2 Qxg2) 22. Ke2 $11 {Kd2 is the strong threat.} Nxf2 23. Ne5 Rd8 {Threatens to win with ... Qh5+.} 24. Rf1 Nh1 (24... Nd3 $1 $11 {keeps the balance.} 25. Nxd3 exd3+ 26. Qxd3 Qg4+ 27. Ke1 Qg3+ 28. Rf2 c5) 25. Rxf6 $16 Qxf6 26. g4 (26. Ke1 $14) 26... Rd5 (26... Bc8 $11) 27. Nc3 (27. Ke1 $16) 27... Ng3+ $14 28. Kd1 $2 {White does not recover from this.} (28. Kd2 $1 $14 {was the only good move.} Qf2+ 29. Kc1 Qxe3+ 30. Kb1) 28... Rxe5 $19 29. dxe5 $2 (29. Kc1 Rg5 30. b5) 29... Qf1+ 30. Kd2 Qd3+ 31. Ke1 {Strongly threatening Qd1.} Qxe3+ 32. Kd1 Qd3+ 33. Ke1 e3 {[%csl Gg3][%CAl Rd3f1] Weighted Error Value: White=0.78/ Black=0.23} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.16"] [White "Klabis, Rokas"] [Black "Gukesh D"] [Result "0-1"] [ECO "B31"] [WhiteElo "2323"] [BlackElo "2578"] [Annotator "ChessBase"] [PlyCount "84"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:50]} 2. Nf3 {[%emt 0:00:31]} Nc6 { [%emt 0:00:53]} 3. Bb5 {[%emt 0:01:10]} g6 {[%emt 0:01:48]} 4. O-O {[%emt 0:00: 09]} Bg7 {[%emt 0:00:04]} 5. c3 {[%emt 0:00:29]} Nf6 {[%emt 0:02:02]} 6. Qe2 { [%emt 0:02:29]} O-O {[%emt 0:00:49]} 7. Rd1 {[%emt 0:01:27]} e5 {[%emt 0:01:55] } 8. d3 {[%emt 0:04:56]} d6 {[%emt 0:03:53]} 9. Bg5 {[%emt 0:07:58]} h6 { [%emt 0:01:14]} 10. Bh4 {[%emt 0:07:31]} Qb6 {[%emt 0:06:46]} 11. Bxf6 { [%emt 0:05:59]} Bxf6 {[%emt 0:00:55]} 12. Na3 {[%emt 0:00:13]} Nd8 {[%emt 0:07: 53]} 13. Ba4 {[%emt 0:07:29]} Ne6 {[%emt 0:00:48]} 14. g3 {[%emt 0:01:23]} Bg7 {[%emt 0:11:27]} 15. Bb3 {[%emt 0:03:00]} Kh8 {[%emt 0:03:17]} 16. Nc4 { [%emt 0:01:20]} Qd8 {[%emt 0:00:09]} 17. Ne3 {[%emt 0:00:37]} f5 {[%emt 0:08: 22]} 18. exf5 {[%emt 0:18:29]} gxf5 {[%emt 0:00:05]} 19. d4 {[%emt 0:04:58]} cxd4 {[%emt 0:14:48]} 20. cxd4 {[%emt 0:00:12]} e4 {[%emt 0:00:56]} 21. Nh4 { [%emt 0:02:58]} Nf4 {[%emt 0:02:41]} 22. gxf4 {[%emt 0:10:26]} Qxh4 {[%emt 0: 00:14]} 23. Kh1 {[%emt 0:02:32]} Bd7 {[%emt 0:03:41]} 24. Rg1 {[%emt 0:03:22]} Be8 {[%emt 0:02:53]} 25. Rg3 {[%emt 0:01:40]} Bh5 {[%emt 0:00:10]} 26. Qb5 { [%emt 0:00:16]} Qxf4 {[%emt 0:03:35]} 27. Qxb7 {[%emt 0:02:43]} Bxd4 {[%emt 0: 01:00]} 28. Kg1 {[%emt 0:01:36]} Qe5 {[%emt 0:00:23]} 29. Rc1 {[%emt 0:01:23]} Rab8 {[%emt 0:03:16]} 30. Qd7 {[%emt 0:01:52]} Rbd8 {[%emt 0:00:30]} 31. Qb7 { [%emt 0:00:32]} Bc5 {[%emt 0:00:39]} 32. Rg2 {[%emt 0:05:12]} Rde8 {[%emt 0:03: 13]} 33. Nc4 {[%emt 0:01:17]} Qf6 {[%emt 0:00:40]} 34. Ne3 {[%emt 0:00:11]} f4 {[%emt 0:02:09]} 35. Ng4 {[%emt 0:00:46]} Qe7 {[%emt 0:05:47]} 36. Qd5 { [%emt 0:00:33]} Qg5 {[%emt 0:00:09]} 37. Qc4 {[%emt 0:00:30]} f3 {[%emt 0:02: 09]} 38. Rg3 {[%emt 0:00:11]} Bxg4 {[%emt 0:00:13]} 39. h3 {[%emt 0:00:05]} Bxf2+ {[%emt 0:00:45]} 40. Kxf2 {[%emt 0:00:04]} e3+ {[%emt 0:00:57]} 41. Kg1 { [%emt 0:00:04]} f2+ {[%emt 0:00:11]} 42. Kh2 {[%emt 0:00:03]} e2 {[%emt 0:00: 24]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.17"] [White "Ivic, Velimir"] [Black "Tahay, Alexis"] [Result "1-0"] [ECO "B97"] [WhiteElo "2571"] [BlackElo "2364"] [Annotator "ChessBase"] [PlyCount "97"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:01:42]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0: 00:15]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:04]} 6. Bg5 { [%emt 0:02:01]} e6 {[%emt 0:00:07]} 7. f4 {[%emt 0:00:03]} Qb6 {[%emt 0:00:05]} 8. Qd2 {[%emt 0:00:26]} Qxb2 {[%emt 0:00:06]} 9. Rb1 {[%emt 0:00:04]} Qa3 { [%emt 0:00:06]} 10. f5 {[%emt 0:00:35]} Be7 {[%emt 0:02:09]} 11. fxe6 {[%emt 0: 01:28]} Bxe6 {[%emt 0:00:42]} 12. Nxe6 {[%emt 0:01:29]} fxe6 {[%emt 0:00:05]} 13. Bc4 {[%emt 0:00:21]} Nbd7 {[%emt 0:00:26]} 14. Bxe6 {[%emt 0:00:14]} Nc5 { [%emt 0:00:12]} 15. Bf5 {[%emt 0:00:29]} g6 {[%emt 0:01:12]} 16. Bh3 {[%emt 0: 00:20]} Nfxe4 {[%emt 0:01:37]} 17. Nxe4 {[%emt 0:00:06]} Nxe4 {[%emt 0:00:03]} 18. Qd4 {[%emt 0:00:11]} Qc3+ {[%emt 0:00:12]} 19. Qxc3 {[%emt 0:00:06]} Nxc3 { [%emt 0:00:03]} 20. Bxe7 {[%emt 0:00:06]} Kxe7 {[%emt 0:02:17]} 21. Rxb7+ { [%emt 0:00:07]} Kf6 {[%emt 0:00:49]} 22. Rf1+ {[%emt 0:00:11]} Kg5 {[%emt 0:02: 27]} 23. Kd2 {[%emt 0:00:10]} Ne4+ {[%emt 0:02:01]} 24. Kc1 {[%emt 0:00:07]} Rab8 {[%emt 0:01:53]} 25. Rc7 {[%emt 0:00:08]} Rb4 {[%emt 0:06:56]} 26. Be6 { [%emt 0:22:54]} Nc5 {[%emt 0:07:02]} 27. Bb3 {[%emt 0:22:29]} h5 {[%emt 0:19: 02]} 28. Rc6 {[%emt 0:13:52]} Rd8 {[%emt 0:10:47]} 29. Rd1 {[%emt 0:01:36]} Nxb3+ {[%emt 0:05:25]} 30. axb3 {[%emt 0:00:06]} Rg4 {[%emt 0:03:20]} 31. g3 { [%emt 0:00:52]} h4 {[%emt 0:02:44]} 32. Rd5+ {[%emt 0:08:17]} Kh6 {[%emt 0:01: 42]} 33. Rcxd6 {[%emt 0:01:06]} Rxd6 {[%emt 0:02:04]} 34. Rxd6 {[%emt 0:00:02]} hxg3 {[%emt 0:03:43]} 35. hxg3 {[%emt 0:00:06]} a5 {[%emt 0:05:38]} 36. Rd3 { [%emt 0:01:35]} a4 {[%emt 0:01:33]} 37. Kb2 {[%emt 0:00:08]} Kg7 {[%emt 0:05: 06]} 38. c4 {[%emt 0:00:54]} Kf7 {[%emt 0:04:59]} 39. c5 {[%emt 0:05:14]} Re4 { [%emt 0:02:57]} 40. Ka3 {[%emt 0:03:47]} axb3 {[%emt 0:00:11]} 41. Kxb3 { [%emt 0:00:06]} Re6 {[%emt 0:07:02]} 42. Kc4 {[%emt 0:00:23]} Ke7 {[%emt 0:00: 11]} 43. Kb5 {[%emt 0:00:26]} Re1 {[%emt 0:00:08]} 44. c6 {[%emt 0:00:55]} Rb1+ {[%emt 0:00:11]} 45. Ka6 {[%emt 0:00:11]} Ra1+ {[%emt 0:00:12]} 46. Kb7 { [%emt 0:00:06]} Rb1+ {[%emt 0:00:04]} 47. Kc8 {[%emt 0:00:04]} g5 {[%emt 0:00: 16]} 48. c7 {[%emt 0:00:10]} Rb2 {[%emt 0:01:15]} 49. Rd5 {[%emt 0:00:14]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.18"] [White "Samunenkov, Ihor"] [Black "Meshkovs, Nikita"] [Result "0-1"] [ECO "D11"] [WhiteElo "2288"] [BlackElo "2568"] [Annotator "ChessBase"] [PlyCount "110"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:02:48]} 2. g3 {[%emt 0:00:17]} d5 {[%emt 0: 01:26]} 3. Nf3 {[%emt 0:00:09]} c6 {[%emt 0:02:15]} 4. c4 {[%emt 0:00:34]} dxc4 {[%emt 0:00:18]} 5. Bg2 {[%emt 0:00:35]} Nbd7 {[%emt 0:01:24]} 6. O-O {[%emt 0: 03:59]} g6 {[%emt 0:08:42]} 7. Qc2 {[%emt 0:07:29]} Nb6 {[%emt 0:02:14]} 8. e4 {[%emt 0:06:01]} Bg7 {[%emt 0:03:15]} 9. h3 {[%emt 0:10:23]} O-O {[%emt 0:02: 08]} 10. Be3 {[%emt 0:01:19]} Ne8 {[%emt 0:00:34]} 11. a4 {[%emt 0:12:01]} a5 { [%emt 0:01:36]} 12. Na3 {[%emt 0:02:26]} Nd6 {[%emt 0:01:44]} 13. Rfd1 { [%emt 0:02:19]} h6 {[%emt 0:02:39]} 14. Ne5 {[%emt 0:04:50]} Be6 {[%emt 0:03: 54]} 15. f4 {[%emt 0:02:42]} f5 {[%emt 0:03:17]} 16. d5 {[%emt 0:08:48]} cxd5 { [%emt 0:00:56]} 17. exd5 {[%emt 0:01:39]} Bf7 {[%emt 0:00:56]} 18. Qf2 { [%emt 0:03:07]} Ra6 {[%emt 0:01:34]} 19. Nb5 {[%emt 0:03:40]} Nd7 {[%emt 0:13: 37]} 20. Nxd6 {[%emt 0:02:08]} exd6 {[%emt 0:00:02]} 21. Nxc4 {[%emt 0:04:28]} Re8 {[%emt 0:01:07]} 22. Re1 {[%emt 0:02:28]} Bf8 {[%emt 0:14:24]} 23. Bd4 { [%emt 0:05:41]} Rxe1+ {[%emt 0:00:19]} 24. Rxe1 {[%emt 0:00:40]} Nf6 {[%emt 0: 01:11]} 25. Bc3 {[%emt 0:02:25]} Bg7 {[%emt 0:00:33]} 26. Qd2 {[%emt 0:03:59]} Qc7 {[%emt 0:02:42]} 27. Ne3 {[%emt 0:02:17]} Ra8 {[%emt 0:06:14]} 28. g4 { [%emt 0:03:41]} fxg4 {[%emt 0:00:33]} 29. Nxg4 {[%emt 0:01:26]} Nxg4 {[%emt 0: 00:57]} 30. Bxg7 {[%emt 0:00:16]} Kxg7 {[%emt 0:00:02]} 31. hxg4 {[%emt 0:00: 04]} Qc5+ {[%emt 0:00:00]} 32. Kh1 {[%emt 0:01:29]} Re8 {[%emt 0:03:26]} 33. Rxe8 {[%emt 0:02:12]} Bxe8 {[%emt 0:00:01]} 34. b3 {[%emt 0:00:10]} Qb4 { [%emt 0:02:39]} 35. Qe3 {[%emt 0:00:40]} Bf7 {[%emt 0:00:06]} 36. Kh2 {[%emt 0: 00:21]} b6 {[%emt 0:02:23]} 37. Kg3 {[%emt 0:00:15]} Qc5 {[%emt 0:00:01]} 38. Qd3 {[%emt 0:01:00]} g5 {[%emt 0:01:32]} 39. fxg5 {[%emt 0:01:01]} hxg5 { [%emt 0:00:01]} 40. Qd2 {[%emt 0:00:08]} Kh6 {[%emt 0:00:38]} 41. Qd3 {[%emt 0: 00:52]} Bg6 {[%emt 0:01:14]} 42. Qd2 {[%emt 0:00:34]} Qc2 {[%emt 0:01:05]} 43. Qe1 {[%emt 0:00:42]} Qxb3+ {[%emt 0:00:31]} 44. Bf3 {[%emt 0:00:01]} Qxa4 { [%emt 0:00:28]} 45. Qe7 {[%emt 0:00:34]} Qf4+ {[%emt 0:00:06]} 46. Kg2 { [%emt 0:00:01]} a4 {[%emt 0:01:15]} 47. Qd8 {[%emt 0:00:30]} b5 {[%emt 0:01:15] } 48. Qh8+ {[%emt 0:00:45]} Bh7 {[%emt 0:00:07]} 49. Qa8 {[%emt 0:00:04]} Qf6 { [%emt 0:01:52]} 50. Qa6 {[%emt 0:01:13]} Bd3 {[%emt 0:00:17]} 51. Qa8 {[%emt 0: 00:08]} Bg6 {[%emt 0:03:47]} 52. Qa6 {[%emt 0:00:47]} Qb2+ {[%emt 0:00:21]} 53. Kg3 {[%emt 0:00:28]} Qe5+ {[%emt 0:00:57]} 54. Kh3 {[%emt 0:00:27]} Qf4 { [%emt 0:00:16]} 55. Kg2 {[%emt 0:00:31]} Be4 {[%emt 0:01:01]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.19"] [White "Sanal, Vahap"] [Black "Krivonosov, Oleg"] [Result "1-0"] [ECO "C47"] [WhiteElo "2557"] [BlackElo "2371"] [Annotator "TA"] [PlyCount "197"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,197,0,0,0,0,0,0,0,0,-2,8,5,14,0,0,0,23,26,34,24,45,9,10,4,14,5,20,30, 19,14,22,10,12,10,22,0,19,15,24,16,33,12,14,8,27,21,20,20,22,22,57,29,40,35,35, 32,32,33,27,32,50,44,42,40,52,52,51,43,43,35,40,47,44,38,49,38,48,39,41,0,0,0, 0,0,0,0,0,0,0,-2,-2,-2,63,62,62,63,68,67,68,68,68,68,68,68,68,68,69,72,79,68, 68,68,70,70,108,68,110,114,135,125,135,67,68,67,67,67,67,67,67,67,67,67,67,67, 67,67,68,68,68,68,68,68,90,68,68,68,278,265,556,534,1925,1563,29939,29942, 29943,29945,29938,29949,29946,29945,29947,29943,12838,10010,29966,29967,29967, 1005,446,0,29966,29969,29964,29954,29947,29944,29950,29952,29976,29977,29969, 29971]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 {10.Qf3 is the modern continuation. C47: Scotch Four Knights and Four Knights with 4 g3.} c6 11. Qf3 Bd6 12. Re1 { The position is equal.} Bd7 13. Bf4 Bxf4 14. Qxf4 Qb8 {[#]} 15. Qe3 $146 ({ Predecessor:} 15. Qf3 Qd6 16. Qg3 Qxg3 17. fxg3 Rfe8 18. Na4 Rxe1+ 19. Rxe1 Re8 20. Rc1 Kf8 21. c4 dxc4 22. Bxc4 {1/2-1/2 (59) Howell,D (2698)-Postny,E (2642) Leiden 2015}) 15... Re8 16. Qc5 Qb6 ({Avoid the trap} 16... Qxb2 $2 17. Reb1 $18) (16... Qf4 {with more complications.} 17. Rxe8+ Rxe8 18. Ne2 Qg5 19. f4 Qh5) 17. Na4 Qxc5 18. Nxc5 Kf8 19. Ba6 Bc8 20. Rxe8+ Kxe8 21. Re1+ Kf8 22. Bxc8 Rxc8 $11 {[%mdl 4096] Endgame KRN-KRN} 23. Re3 Rb8 24. b3 Re8 25. Rc3 Ke7 26. b4 Rb8 27. Nd3 Kd6 28. Ra3 Rb7 29. Ra6 Ne8 30. Kf1 Nc7 31. Ra5 a6 32. Ke1 Rb5 33. Ra4 a5 34. bxa5 Na6 35. Rg4 g6 36. Rf4 Ke6 37. Ra4 c5 38. c3 g5 39. Kd2 f6 40. Kc2 Kd6 41. c4 dxc4 42. Nb2 Kc6 43. Nxc4 Rb8 44. Ra3 Nb4+ 45. Kc1 Kb5 46. Nd6+ Ka6 $1 47. Ne4 c4 48. Ra4 Kb5 49. Nc3+ Ka6 $1 50. Kd2 Rd8+ 51. Ke2 Re8+ $1 52. Kf3 Nd3 53. Kg4 Nxf2+ 54. Kf5 {[#]} Re3 (54... Ne4 $1 $11 55. Nxe4 Re5+ { [%mdl 64] Double Attack} 56. Kxf6 Rxe4) 55. Rxc4 $14 Rg3 56. Nd5 $1 Kxa5 57. Nxf6 Rxg2 58. Rc2 h6 59. Rd2 $1 Rh2 60. Ne4 Rxh3 61. Rxf2 {KRN-KR} Kb4 62. Rg2 {And now Nd6 would win.} Ka3 63. Rc2 {Black must now prevent Nd6.} Rf3+ 64. Kg6 Re3 65. Nd2 {White threatens Nc4+ and mate.} Re6+ 66. Kh5 Kb4 67. Nb1 Ra6 68. Rb2+ Kc4 69. a3 (69. Rd2 $16) 69... Rd6 70. Rb4+ Kc5 71. Nc3 {aiming for Ne4+.} Rd3 72. Ne4+ Kd5 73. a4 Rd4 74. Nc3+ Kc5 75. Rb8 Rh4+ 76. Kg6 {Threatens to win with a5.} Rh1 77. Ne4+ Kd5 78. Rb4 Kc6 79. Kf5 {Strongly threatening a5.} Rf1+ 80. Ke5 {Hoping for Nd2.} g4 81. Ng3 Rf3 $2 {White now steadily converts the win.} ({Black should play} 81... Rg1 $14) 82. Rxg4 $18 Kb6 $2 (82... Rd3 { is a better defense.} 83. Rc4+ Kb6) 83. Ne4 Ra3 84. Rg6+ Ka5 85. Nc5 Rh3 86. Kd5 Rh5+ 87. Kc6 Rg5 88. Rxh6 Rg8 89. Re6 Rh8 90. Rd6 Rg8 91. Kd5 Rg5+ 92. Kd4 (92. Kc4 $142 Rg4+ 93. Kb3 Rg3+ 94. Nd3 Re3 95. Rd5+ Ka6 96. a5 Rf3 97. Ka4) 92... Rg4+ 93. Kd5 Rg5+ {[#]} 94. Kc4 $1 {[%csl Gc5][%CAl Rd6a6] White mates.} Rg4+ 95. Rd4 Rg1 96. Kb3 Rg3+ 97. Nd3 Rh3 98. Rd5+ Ka6 99. a5 {Weighted Error Value: White=0.04/Black=0.06} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.20"] [White "Golubovskis, Maksims"] [Black "Yuffa, Daniil"] [Result "0-1"] [ECO "B90"] [WhiteElo "2273"] [BlackElo "2556"] [Annotator "ChessBase"] [PlyCount "52"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:00:11]} c5 {[%emt 0:01:06]} 2. Nf3 {[%emt 0:00:11]} d6 {[%emt 0: 00:07]} 3. d4 {[%emt 0:01:35]} cxd4 {[%emt 0:00:15]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:21]} a6 {[%emt 0:00:08]} 6. Be3 { [%emt 0:00:06]} e5 {[%emt 0:00:07]} 7. Nb3 {[%emt 0:00:07]} Be6 {[%emt 0:00:10] } 8. f3 {[%emt 0:00:25]} Nbd7 {[%emt 0:00:36]} 9. Nd5 {[%emt 0:00:38]} Bxd5 { [%emt 0:02:17]} 10. exd5 {[%emt 0:02:14]} g6 {[%emt 0:02:09]} 11. Qd2 {[%emt 0: 03:47]} Bg7 {[%emt 0:02:12]} 12. Be2 {[%emt 0:00:26]} O-O {[%emt 0:01:01]} 13. O-O {[%emt 0:00:16]} Qc7 {[%emt 0:04:23]} 14. Na5 {[%emt 0:03:39]} b6 {[%emt 0: 08:39]} 15. Nb3 {[%emt 0:04:26]} e4 {[%emt 0:11:45]} 16. f4 {[%emt 0:12:53]} b5 {[%emt 0:01:39]} 17. Kh1 {[%emt 0:05:28]} Nb6 {[%emt 0:01:59]} 18. Bxb6 { [%emt 0:01:03]} Qxb6 {[%emt 0:00:05]} 19. a4 {[%emt 0:03:54]} b4 {[%emt 0:01: 08]} 20. a5 {[%emt 0:01:18]} Qb7 {[%emt 0:01:08]} 21. Rfd1 {[%emt 0:02:21]} Rfe8 {[%emt 0:03:38]} 22. Ra4 {[%emt 0:10:35]} Rab8 {[%emt 0:04:54]} 23. Bc4 { [%emt 0:01:19]} e3 {[%emt 0:00:39]} 24. Qe2 {[%emt 0:00:18]} Ne4 {[%emt 0:09: 34]} 25. Rb1 {[%emt 0:01:02]} Bxb2 {[%emt 0:02:52]} 26. Bxa6 {[%emt 0:00:08]} Qd7 {[%emt 0:00:19]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.21"] [White "Kruckenhauser, Arthur"] [Black "Kulaots, Kaido"] [Result "0-1"] [ECO "B46"] [WhiteElo "2262"] [BlackElo "2548"] [Annotator "ChessBase"] [PlyCount "118"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:04:45]} c5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:09]} e6 {[%emt 0: 01:51]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:15]} 5. Nc3 {[%emt 0:00:19]} a6 {[%emt 0:00:07]} 6. Be3 { [%emt 0:00:08]} Nf6 {[%emt 0:01:18]} 7. Qf3 {[%emt 0:01:05]} Bd6 {[%emt 0:11: 49]} 8. O-O-O {[%emt 0:06:39]} Be5 {[%emt 0:00:16]} 9. Qe2 {[%emt 0:03:21]} O-O {[%emt 0:02:30]} 10. g3 {[%emt 0:01:47]} d5 {[%emt 0:07:40]} 11. f4 {[%emt 0: 08:51]} Bxd4 {[%emt 0:00:26]} 12. Bxd4 {[%emt 0:01:04]} Nxd4 {[%emt 0:00:07]} 13. Rxd4 {[%emt 0:00:06]} Qb6 {[%emt 0:00:13]} 14. Qd3 {[%emt 0:07:45]} e5 { [%emt 0:23:53]} 15. fxe5 {[%emt 0:07:22]} dxe4 {[%emt 0:00:39]} 16. Nxe4 { [%emt 0:06:11]} Nxe4 {[%emt 0:03:47]} 17. Qxe4 {[%emt 0:02:19]} Bf5 {[%emt 0: 00:27]} 18. Qf4 {[%emt 0:12:51]} Qc6 {[%emt 0:01:13]} 19. Qxf5 {[%emt 0:00:07]} Qxh1 {[%emt 0:00:07]} 20. b3 {[%emt 0:20:39]} Qg1 {[%emt 0:11:50]} 21. Rg4 { [%emt 0:02:40]} Qe3+ {[%emt 0:05:19]} 22. Kb2 {[%emt 0:00:07]} Rae8 {[%emt 0: 03:22]} 23. Re4 {[%emt 0:00:55]} Qc5 {[%emt 0:00:15]} 24. Bd3 {[%emt 0:00:55]} g6 {[%emt 0:00:50]} 25. Qg5 {[%emt 0:01:41]} f5 {[%emt 0:04:18]} 26. e6 { [%emt 0:04:39]} Qe7 {[%emt 0:04:06]} 27. Qxe7 {[%emt 0:00:28]} Rxe7 {[%emt 0: 00:04]} 28. Rd4 {[%emt 0:02:05]} Kg7 {[%emt 0:00:51]} 29. a4 {[%emt 0:01:45]} Kf6 {[%emt 0:09:05]} 30. Bc4 {[%emt 0:00:20]} Ke5 {[%emt 0:00:59]} 31. Rd2 { [%emt 0:02:16]} f4 {[%emt 0:01:03]} 32. Rd5+ {[%emt 0:02:16]} Ke4 {[%emt 0:00: 35]} 33. gxf4 {[%emt 0:00:15]} Kxf4 {[%emt 0:00:40]} 34. a5 {[%emt 0:00:54]} g5 {[%emt 0:02:06]} 35. Rd2 {[%emt 0:00:30]} Ke3 {[%emt 0:01:15]} 36. Rd3+ { [%emt 0:00:27]} Kf2 {[%emt 0:01:35]} 37. Bd5 {[%emt 0:00:26]} g4 {[%emt 0:01: 03]} 38. c4 {[%emt 0:00:36]} h5 {[%emt 0:00:29]} 39. Ka3 {[%emt 0:00:30]} Rf6 { [%emt 0:01:43]} 40. Rd2+ {[%emt 0:00:31]} Kg1 {[%emt 0:00:55]} 41. Re2 { [%emt 0:00:30]} Kf1 {[%emt 0:00:27]} 42. Re5 {[%emt 0:00:14]} h4 {[%emt 0:00: 33]} 43. Re4 {[%emt 0:00:46]} Rg6 {[%emt 0:00:16]} 44. Rf4+ {[%emt 0:00:30]} Kg1 {[%emt 0:00:06]} 45. h3 {[%emt 0:00:24]} gxh3 {[%emt 0:00:27]} 46. Rxh4 { [%emt 0:00:05]} h2 {[%emt 0:00:17]} 47. Kb4 {[%emt 0:00:03]} Rexe6 {[%emt 0:01: 52]} 48. Bxb7 {[%emt 0:00:45]} Re3 {[%emt 0:00:25]} 49. Bd5 {[%emt 0:01:02]} Rgg3 {[%emt 0:00:37]} 50. c5 {[%emt 0:00:30]} Re5 {[%emt 0:00:31]} 51. Bb7 { [%emt 0:00:34]} Rg7 {[%emt 0:00:25]} 52. Ba8 {[%emt 0:00:32]} Rgg5 {[%emt 0:00: 21]} 53. c6 {[%emt 0:00:33]} Rb5+ {[%emt 0:00:13]} 54. Ka3 {[%emt 0:00:29]} Rxa5+ {[%emt 0:00:09]} 55. Kb2 {[%emt 0:00:03]} Rg2+ {[%emt 0:00:18]} 56. Kb1 { [%emt 0:00:08]} Rf5 {[%emt 0:00:18]} 57. Rc4 {[%emt 0:00:19]} Rf1+ {[%emt 0:00: 07]} 58. Rc1 {[%emt 0:00:03]} Rxc1+ {[%emt 0:00:05]} 59. Kxc1 {[%emt 0:00:03]} h1=Q {[%emt 0:00:06]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.22"] [White "Kantor, Gergely"] [Black "Kozusek, Daniel"] [Result "1-0"] [ECO "D31"] [WhiteElo "2533"] [BlackElo "2323"] [Annotator "ChessBase"] [PlyCount "99"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:03:40]} d5 {[%emt 0:01:04]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0: 00:09]} 3. Nc3 {[%emt 0:00:18]} a6 {[%emt 0:00:09]} 4. cxd5 {[%emt 0:00:15]} exd5 {[%emt 0:00:06]} 5. Bf4 {[%emt 0:00:04]} Nf6 {[%emt 0:01:12]} 6. e3 { [%emt 0:02:19]} c5 {[%emt 0:00:26]} 7. Nge2 {[%emt 0:00:53]} Nc6 {[%emt 0:00: 36]} 8. g3 {[%emt 0:00:10]} cxd4 {[%emt 0:00:39]} 9. Nxd4 {[%emt 0:00:24]} Bg4 {[%emt 0:00:17]} 10. Qd3 {[%emt 0:04:21]} Nxd4 {[%emt 0:12:37]} 11. Qxd4 { [%emt 0:00:05]} Bf3 {[%emt 0:01:50]} 12. Rg1 {[%emt 0:00:29]} Rc8 {[%emt 0:02: 34]} 13. Be2 {[%emt 0:27:30]} Bxe2 {[%emt 0:00:51]} 14. Kxe2 {[%emt 0:00:06]} Be7 {[%emt 0:09:25]} 15. Rad1 {[%emt 0:05:49]} O-O {[%emt 0:02:10]} 16. Be5 { [%emt 0:07:21]} Qd7 {[%emt 0:00:49]} 17. g4 {[%emt 0:12:27]} Rc4 {[%emt 0:11: 03]} 18. Qxc4 {[%emt 0:01:00]} dxc4 {[%emt 0:00:07]} 19. Rxd7 {[%emt 0:00:09]} Nxd7 {[%emt 0:00:04]} 20. Bf4 {[%emt 0:08:57]} Rc8 {[%emt 0:54:22]} 21. Rd1 { [%emt 0:01:53]} Nc5 {[%emt 0:00:00]} 22. Nd5 {[%emt 0:04:53]} Bd8 {[%emt 0:00: 00]} 23. Bd6 {[%emt 0:00:28]} Na4 {[%emt 0:00:00]} 24. Be7 {[%emt 0:03:08]} Ba5 {[%emt 0:00:00]} 25. Ba3 {[%emt 0:04:20]} Bd8 {[%emt 0:00:00]} 26. Rd4 { [%emt 0:03:54]} f6 {[%emt 0:00:00]} 27. b3 {[%emt 0:00:48]} Nb6 {[%emt 0:00:00] } 28. Nxb6 {[%emt 0:00:28]} Bxb6 {[%emt 0:00:00]} 29. Rxc4 {[%emt 0:00:20]} Rxc4 {[%emt 0:00:00]} 30. bxc4 {[%emt 0:00:10]} Kf7 {[%emt 0:00:00]} 31. f4 { [%emt 0:02:01]} g6 {[%emt 0:00:00]} 32. f5 {[%emt 0:00:43]} Bc7 {[%emt 0:00:00] } 33. h3 {[%emt 0:00:20]} h5 {[%emt 0:00:00]} 34. Kf3 {[%emt 0:01:20]} hxg4+ { [%emt 0:00:00]} 35. hxg4 {[%emt 0:00:27]} gxf5 {[%emt 0:00:00]} 36. gxf5 { [%emt 0:00:04]} Bb6 {[%emt 0:00:00]} 37. Ke4 {[%emt 0:00:31]} Ke8 {[%emt 0:00: 00]} 38. Bb2 {[%emt 0:00:49]} Bd8 {[%emt 0:00:00]} 39. Kd5 {[%emt 0:00:12]} Kd7 {[%emt 0:00:00]} 40. e4 {[%emt 0:00:43]} Be7 {[%emt 0:00:00]} 41. a4 {[%emt 0: 01:01]} Bd8 {[%emt 0:00:00]} 42. Bc3 {[%emt 0:01:32]} Be7 {[%emt 0:00:00]} 43. Bd4 {[%emt 0:00:23]} Bd8 {[%emt 0:00:00]} 44. e5 {[%emt 0:00:50]} fxe5 { [%emt 0:00:00]} 45. Bxe5 {[%emt 0:00:03]} Bh4 {[%emt 0:00:00]} 46. Bg7 { [%emt 0:00:41]} Ke7 {[%emt 0:00:00]} 47. Kc5 {[%emt 0:02:18]} Kd7 {[%emt 0:00: 00]} 48. f6 {[%emt 0:01:16]} b5 {[%emt 0:00:35]} 49. cxb5 {[%emt 0:00:58]} axb5 {[%emt 0:00:05]} 50. axb5 {[%emt 0:00:07]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.23"] [White "Arjun Kalyan"] [Black "Spitzl, Vinzent"] [Result "1-0"] [ECO "B90"] [WhiteElo "2503"] [BlackElo "2346"] [Annotator "TA"] [PlyCount "163"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,163,8,6,19,10,16,29,34,22,36,41,44,55,17,31,0,61,61,61,31,48,30,105, 104,100,34,93,89,108,0,11,0,58,59,103,89,110,83,110,110,116,115,157,109,112,93, 144,0,127,26,72,75,82,86,54,27,26,26,27,33,63,0,0,0,0,0,7,0,0,0,7,0,4,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,42,0,0,0,4,0,0,0,0,0,10,12,26,26,79,81,85, 86,110,94,110,73,110,110,110,110,110,110,110,117,110,110,110,110,579,466,456, 385,5097,5065,1553,1608,1414,0,1062,445,1501,1370,1325,1299,29970,29968,29974, 777]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 Be7 8. O-O O-O 9. Ng3 Nc6 10. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nxd5 11. exd5 Nb4 {[#]} 12. Bf5 $146 {c3 is the strong threat.White has an edge.} ({Predecessor:} 12. Be2 a5 13. Kh1 Bg5 14. Bxg5 Qxg5 15. a3 Na6 16. b4 Bd7 17. c3 Rfc8 18. Qb3 {0-1 (48) Paravyan,D (2653) -Xiong,J (2709) Lichess.org INT 2020}) 12... a5 $1 13. c3 Na6 14. f4 Bf6 15. Kh1 Nc5 16. Be3 $36 {[%mdl 2048] White fights for an advantage.} b6 (16... exf4 $11 17. Bxf4 (17. Rxf4 Bg5 $11) 17... g6) 17. Bxc8 $14 Rxc8 18. Bxc5 bxc5 19. f5 $1 e4 (19... c4 $11) 20. Nxe4 $16 Re8 21. Qg4 (21. Re1 $16) 21... Rb8 (21... Re5 $1 $14) 22. Rf2 Re5 23. Rd1 (23. Qf3 $16) 23... Qe7 $1 $11 24. Re2 Re8 ( 24... g6 $11) 25. Rde1 $14 h6 26. Kg1 Kh8 27. Qf3 Bh4 28. g3 Bf6 29. Kf1 Kg8 30. h4 Kh8 31. Kg2 Kg8 (31... c4 $142) 32. Kf1 Kh8 $1 33. Nd2 (33. c4 $16) 33... Qd7 $1 $11 34. Rxe5 Rxe5 35. Rxe5 Bxe5 36. b3 a4 $1 37. Kg2 axb3 38. axb3 Kg8 39. Ne4 (39. Qd3 $14) 39... Qb7 40. c4 Qe7 41. Kh3 Bd4 42. Qf4 Be5 43. Qg4 Kh8 44. Kg2 Qd8 45. Qf3 (45. Qd1 {keeps more tension.} Kg8 46. Qe1 Qb8 47. Qb1 Qa7 48. Kh3) 45... Qe7 46. Nf2 Bd4 47. Nd3 Qb7 48. Nf4 Qe7 49. Qe2 Qd7 50. Qe4 Bf6 51. Kh2 Kg8 52. Nh3 Be5 53. Nf2 Bf6 54. Kg2 Qd8 55. Ng4 Bd4 56. Nh2 (56. b4 $5) 56... Qb8 57. Qd3 Bf6 58. Nf3 Qd8 59. Kh3 Qe8 60. Kg2 Qd8 61. Qe3 Kh7 62. Kh3 Qg8 (62... Qc8 $11) 63. g4 $16 {White leaves nothing to chance now.} g5 { [#]} 64. fxg6+ $1 fxg6 65. Qf4 Qd8 66. h5 gxh5 67. Qf5+ Kg7 68. gxh5 {Black must now prevent Qg6+.} Qe8 69. Kg4 Qf8 70. Nd2 {Threatens to win with Ne4.} Kh8 71. Ne4 Qg7+ 72. Qg6 Qd7+ $2 {[%mdl 8192]} (72... Be7 $16 {is more resistant.} 73. Ng3 Bf8) 73. Kg3 Be5+ 74. Kg2 Qa7 $2 (74... Qh7 75. Qxh7+ Kxh7) 75. Qxh6+ $18 Kg8 76. Qg6+ Kh8 77. Qh6+ Kg8 $1 78. Qd2 (78. Qe6+ $142 Kh8 79. Qe8+ Kg7 {[#]} 80. Nxd6 $1 {[%mdl 512]} Qa2+ 81. Kf3 Bxd6 82. Qg6+ Kh8 83. Qxd6 Qxb3+ 84. Kf4) 78... Qa3 (78... Kf8 $142 79. Qh6+ Kg8) 79. Qc2 Qa7 80. Ng5 { White wants to mate with Qg6+.} Qg7 81. Qf5 Bf6 82. Qc8+ {Weighted Error Value: White=0.19/Black=0.12} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.24"] [White "Vardanyan, Aras"] [Black "Blohberger, Felix"] [Result "1-0"] [ECO "B23"] [WhiteElo "2255"] [BlackElo "2502"] [Annotator "ChessBase"] [PlyCount "119"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:04:36]} 2. Nc3 {[%emt 0:03:12]} d6 {[%emt 0: 01:02]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:07]} 4. Qxd4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:51]} 5. Qd2 {[%emt 0:00:05]} g6 {[%emt 0:00:55]} 6. b3 { [%emt 0:00:05]} Bh6 {[%emt 0:00:22]} 7. f4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:20] } 8. Bb2 {[%emt 0:00:05]} O-O {[%emt 0:00:07]} 9. O-O-O {[%emt 0:00:07]} a5 { [%emt 0:00:08]} 10. a4 {[%emt 0:00:05]} Nb4 {[%emt 0:03:39]} 11. Kb1 {[%emt 0: 05:48]} Qb6 {[%emt 0:00:59]} 12. Nge2 {[%emt 0:04:12]} Bd7 {[%emt 0:07:08]} 13. g3 {[%emt 0:04:09]} Rac8 {[%emt 0:07:43]} 14. Bg2 {[%emt 0:08:06]} Ng4 { [%emt 0:09:43]} 15. Nd5 {[%emt 0:08:36]} Nxd5 {[%emt 0:00:13]} 16. exd5 { [%emt 0:00:04]} Bf5 {[%emt 0:20:27]} 17. Nd4 {[%emt 0:05:41]} Rxc2 {[%emt 0:01: 27]} 18. Nxf5 {[%emt 0:00:26]} Rxb2+ {[%emt 0:00:09]} 19. Kxb2 {[%emt 0:00:07]} gxf5 {[%emt 0:00:05]} 20. Rc1 {[%emt 0:01:03]} Ne5 {[%emt 0:08:46]} 21. Rhe1 { [%emt 0:08:47]} Nd7 {[%emt 0:01:45]} 22. Ka2 {[%emt 0:04:42]} Nc5 {[%emt 0:02: 54]} 23. Rb1 {[%emt 0:01:49]} Bg7 {[%emt 0:14:06]} 24. Rxe7 {[%emt 0:05:16]} Qd8 {[%emt 0:01:07]} 25. Re3 {[%emt 0:03:32]} h6 {[%emt 0:02:29]} 26. Bf1 { [%emt 0:03:05]} Ne4 {[%emt 0:01:11]} 27. Qc2 {[%emt 0:01:21]} Qb6 {[%emt 0:01: 56]} 28. Rf3 {[%emt 0:01:50]} Qb4 {[%emt 0:01:04]} 29. Rc1 {[%emt 0:00:39]} Re8 {[%emt 0:01:58]} 30. Bb5 {[%emt 0:00:26]} Rd8 {[%emt 0:02:17]} 31. Bf1 { [%emt 0:04:44]} h5 {[%emt 0:03:16]} 32. Bh3 {[%emt 0:01:51]} b5 {[%emt 0:00:22] } 33. Bxf5 {[%emt 0:00:18]} Nc5 {[%emt 0:00:06]} 34. Rb1 {[%emt 0:01:47]} Re8 { [%emt 0:01:07]} 35. Bd3 {[%emt 0:02:02]} bxa4 {[%emt 0:01:25]} 36. bxa4 { [%emt 0:00:06]} Qd4 {[%emt 0:00:17]} 37. Qc4 {[%emt 0:00:33]} Qf6 {[%emt 0:00: 38]} 38. Rf2 {[%emt 0:01:00]} Na6 {[%emt 0:02:10]} 39. Rfb2 {[%emt 0:03:41]} Nb4+ {[%emt 0:00:28]} 40. Rxb4 {[%emt 0:00:12]} axb4 {[%emt 0:00:04]} 41. Qxb4 {[%emt 0:01:25]} Re3 {[%emt 0:00:40]} 42. Bc2 {[%emt 0:00:21]} Re2 {[%emt 0:00: 51]} 43. Qc4 {[%emt 0:00:24]} Rxh2 {[%emt 0:00:25]} 44. Qe4 {[%emt 0:00:14]} Qd8 {[%emt 0:00:21]} 45. Rb3 {[%emt 0:03:04]} Qc8 {[%emt 0:00:15]} 46. Kb1 { [%emt 0:00:06]} Rf2 {[%emt 0:00:50]} 47. Bd3 {[%emt 0:02:22]} Rd2 {[%emt 0:00: 21]} 48. Bc2 {[%emt 0:00:23]} Rf2 {[%emt 0:00:04]} 49. Bd3 {[%emt 0:00:11]} Rd2 {[%emt 0:00:32]} 50. Qc4 {[%emt 0:00:46]} Qe8 {[%emt 0:00:30]} 51. Qe4 { [%emt 0:00:44]} Qc8 {[%emt 0:00:09]} 52. Qe1 {[%emt 0:00:55]} Bc3 {[%emt 0:00: 46]} 53. Qe4 {[%emt 0:00:30]} Rd1+ {[%emt 0:01:05]} 54. Kc2 {[%emt 0:00:14]} Rd2+ {[%emt 0:00:09]} 55. Kb1 {[%emt 0:00:11]} Bf6 {[%emt 0:01:00]} 56. Bc2 { [%emt 0:01:20]} Rf2 {[%emt 0:00:33]} 57. Qh7+ {[%emt 0:00:54]} Kf8 {[%emt 0:00: 04]} 58. Qh6+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:36]} 59. Re3+ {[%emt 0:00:21]} Be5 {[%emt 0:00:19]} 60. Rxe5+ {[%emt 0:00:09]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.25"] [White "Kantans, Toms"] [Black "O`Donnell, Conor"] [Result "1/2-1/2"] [ECO "C00"] [WhiteElo "2501"] [BlackElo "2314"] [Annotator "RC"] [PlyCount "136"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:00:04]} e6 {[%emt 0:03:16]} 2. c4 {[%emt 0:01:37]} d5 {[%emt 0: 00:25]} 3. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:00:11]} 4. exd5 {[%emt 0:00:03]} Nf6 {[%emt 0:00:25]} 5. Nc3 {[%emt 0:00:29]} Nxd5 {[%emt 0:00:26]} 6. Nf3 { [%emt 0:00:39]} Nc6 {[%emt 0:01:04]} 7. Bb5 {[%emt 0:00:54]} Qe7+ {[%emt 0:01: 09]} 8. Ne2 {[%emt 0:04:36]} Qc5 {[%emt 0:03:59]} 9. Qa4 {[%emt 0:02:50]} Bd7 { [%emt 0:07:30]} 10. O-O {[%emt 0:00:54]} O-O-O {[%emt 0:13:58]} 11. d4 { [%emt 0:03:10]} Qb4 {[%emt 0:02:37]} 12. Nc3 {[%emt 0:01:49]} Qxa4 {[%emt 0:04: 51]} 13. Bxa4 {[%emt 0:00:15]} Nb6 {[%emt 0:02:38]} 14. Bb3 {[%emt 0:03:54]} f6 {[%emt 0:00:03]} 15. d5 {[%emt 0:06:13]} Na5 {[%emt 0:00:47]} 16. Bf4 {[%emt 0: 01:11]} Bb4 {[%emt 0:05:58]} 17. Rfc1 {[%emt 0:09:06]} Nxb3 {[%emt 0:05:26]} 18. axb3 {[%emt 0:00:11]} Bxc3 {[%emt 0:02:52]} 19. bxc3 {[%emt 0:00:07]} Nxd5 {[%emt 0:02:01]} 20. Rxa7 {[%emt 0:00:42]} Bg4 {[%emt 0:01:46]} 21. Bg3 { [%emt 0:00:43]} Bxf3 {[%emt 0:01:32]} 22. gxf3 {[%emt 0:00:05]} c6 {[%emt 0:09: 10]} 23. c4 {[%emt 0:04:33]} Nc7 {[%emt 0:03:55]} 24. b4 {[%emt 0:02:42]} Ne6 { [%emt 0:01:41]} 25. Kg2 {[%emt 0:08:07]} Rhe8 {[%emt 0:04:05]} 26. h4 {[%emt 0: 05:19]} Rd4 {[%emt 0:03:03]} 27. h5 {[%emt 0:01:31]} Rd3 {[%emt 0:06:38]} 28. Kf1 {[%emt 0:15:06]} Nd4 {[%emt 0:03:20]} 29. b5 {[%emt 0:03:19]} c5 {[%emt 0: 01:04]} 30. Rca1 {[%emt 0:00:56]} Nb3 {[%emt 0:02:17]} 31. Ra8+ {[%emt 0:03:45] } Kd7 {[%emt 0:00:02]} 32. R1a7 {[%emt 0:01:37]} Nd2+ {[%emt 0:00:36]} 33. Kg2 {[%emt 0:00:04]} Rxa8 {[%emt 0:00:09]} 34. Rxa8 {[%emt 0:00:04]} Ke6 {[%emt 0: 01:27]} 35. Re8+ {[%emt 0:01:16]} Kf7 {[%emt 0:01:25]} 36. Rc8 {[%emt 0:00:26]} b6 {[%emt 0:00:52]} 37. Rc7+ {[%emt 0:02:25]} Kg8 {[%emt 0:00:02]} 38. h6 { [%emt 0:03:02]} gxh6 {[%emt 0:00:20]} 39. Bf4 {[%emt 0:02:07]} Nxc4 {[%emt 0: 01:18]} 40. Bxh6 {[%emt 0:00:06]} Ne5 {[%emt 0:02:55]} 41. Rg7+ {[%emt 0:00:54] } Kh8 {[%emt 0:00:33]} 42. Re7 {[%emt 0:00:35]} Kg8 {[%emt 0:00:34]} 43. f4 { [%emt 0:01:46]} Nd7 {[%emt 0:01:32]} 44. f5 {[%emt 0:04:14]} Rd5 {[%emt 0:00: 03]} 45. Rg7+ {[%emt 0:01:49]} Kh8 {[%emt 0:00:02]} 46. Rg3 {[%emt 0:01:55]} Rxf5 {[%emt 0:01:10]} 47. Rd3 {[%emt 0:00:21]} Rh5 {[%emt 0:00:11]} 48. Bf4 { [%emt 0:02:22]} Ne5 {[%emt 0:00:29]} 49. Rd6 {[%emt 0:00:22]} Nc4 {[%emt 0:01: 03]} 50. Rxf6 {[%emt 0:00:38]} Kg7 {[%emt 0:00:19]} 51. Re6 {[%emt 0:03:35]} Rf5 {[%emt 0:00:02]} 52. Re4 {[%emt 0:00:22]} Na3 {[%emt 0:00:39]} 53. Bc7 { [%emt 0:00:13]} Nxb5 {[%emt 0:00:50]} 54. Bxb6 {[%emt 0:00:04]} Nd6 {[%emt 0: 00:41]} 55. Re6 {[%emt 0:00:54]} Nc4 {[%emt 0:00:43]} 56. Ba7 {[%emt 0:00:30]} Na5 {[%emt 0:00:29]} 57. Re7+ {[%emt 0:01:14]} Kg6 {[%emt 0:00:39]} 58. Rc7 { [%emt 0:00:06]} Nb3 {[%emt 0:00:38]} 59. Rc6+ {[%emt 0:00:43]} Rf6 {[%emt 0:00: 22]} 60. Rc8 {[%emt 0:00:17]} Rf5 {[%emt 0:00:23]} 61. Rc6+ {[%emt 0:00:56]} Kg5 {[%emt 0:00:22]} 62. Kg3 {[%emt 0:00:38]} h5 {[%emt 0:01:04]} 63. f4+ { [%emt 0:00:46]} Rxf4 {[%emt 0:00:03]} 64. Bxc5 {[%emt 0:00:07]} h4+ {[%emt 0: 00:47]} 65. Kg2 {[%emt 0:00:24]} Kg4 {[%emt 0:00:51]} 66. Be3 {[%emt 0:00:05]} h3+ {[%emt 0:00:42]} 67. Kh2 {[%emt 0:00:08]} Re4 {[%emt 0:00:25]} 68. Rg6+ { [%emt 0:00:35]} Kf3 {[%emt 0:00:28]} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.26"] [White "Jazdanovs, Aleksandrs"] [Black "Budisavljevic, Luka"] [Result "0-1"] [ECO "B80"] [WhiteElo "2224"] [BlackElo "2495"] [Annotator "ChessBase"] [PlyCount "82"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:04:24]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:32]} e6 {[%emt 0: 00:05]} 3. d4 {[%emt 0:00:22]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:13]} 5. Nc3 {[%emt 0:01:11]} Qc7 {[%emt 0:00:05]} 6. g3 { [%emt 0:02:53]} a6 {[%emt 0:00:10]} 7. Bg2 {[%emt 0:01:28]} Nf6 {[%emt 0:00:05] } 8. O-O {[%emt 0:00:47]} d6 {[%emt 0:00:02]} 9. Nxc6 {[%emt 0:02:38]} bxc6 { [%emt 0:00:06]} 10. Na4 {[%emt 0:01:03]} Bb7 {[%emt 0:02:06]} 11. c4 {[%emt 0: 00:14]} c5 {[%emt 0:00:10]} 12. Nc3 {[%emt 0:01:58]} Be7 {[%emt 0:00:50]} 13. Qe2 {[%emt 0:17:27]} Nd7 {[%emt 0:00:35]} 14. Be3 {[%emt 0:04:55]} O-O { [%emt 0:00:05]} 15. Rad1 {[%emt 0:00:55]} Rfd8 {[%emt 0:03:31]} 16. f4 { [%emt 0:15:28]} Bf6 {[%emt 0:07:38]} 17. g4 {[%emt 0:06:27]} Bxc3 {[%emt 0:12: 19]} 18. bxc3 {[%emt 0:00:05]} Rab8 {[%emt 0:00:27]} 19. Bf2 {[%emt 0:03:21]} Nb6 {[%emt 0:08:56]} 20. Bg3 {[%emt 0:12:16]} Na4 {[%emt 0:10:59]} 21. Qc2 { [%emt 0:15:19]} Bc6 {[%emt 0:00:13]} 22. f5 {[%emt 0:00:52]} Rb2 {[%emt 0:11: 38]} 23. Qc1 {[%emt 0:00:05]} exf5 {[%emt 0:01:45]} 24. gxf5 {[%emt 0:02:01]} f6 {[%emt 0:00:17]} 25. Rf2 {[%emt 0:00:45]} Rxf2 {[%emt 0:00:38]} 26. Kxf2 { [%emt 0:00:07]} Nb6 {[%emt 0:10:00]} 27. Qa3 {[%emt 0:00:14]} Nxc4 {[%emt 0:04: 14]} 28. Qxa6 {[%emt 0:00:24]} Ne5 {[%emt 0:02:12]} 29. Bxe5 {[%emt 0:01:22]} fxe5 {[%emt 0:00:05]} 30. Qc4+ {[%emt 0:00:44]} Kf8 {[%emt 0:01:46]} 31. Qe6 { [%emt 0:01:38]} Qe7 {[%emt 0:00:28]} 32. Qxe7+ {[%emt 0:01:53]} Kxe7 {[%emt 0: 00:06]} 33. Rd2 {[%emt 0:02:08]} Ra8 {[%emt 0:00:16]} 34. c4 {[%emt 0:00:53]} Ra3 {[%emt 0:02:40]} 35. Rc2 {[%emt 0:00:06]} Rd3 {[%emt 0:09:13]} 36. Ke2 { [%emt 0:00:10]} Rd4 {[%emt 0:01:05]} 37. Ke3 {[%emt 0:00:11]} Rd1 {[%emt 0:01: 04]} 38. Bf3 {[%emt 0:00:40]} Re1+ {[%emt 0:01:26]} 39. Re2 {[%emt 0:01:24]} Rc1 {[%emt 0:00:39]} 40. Rg2 {[%emt 0:00:24]} Rc3+ {[%emt 0:00:22]} 41. Kf2 { [%emt 0:00:39]} Kf6 {[%emt 0:00:05]} 0-1 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.27"] [White "Haldorsen, Benjamin"] [Black "Silich, Yahor"] [Result "1-0"] [ECO "B77"] [WhiteElo "2471"] [BlackElo "2289"] [Annotator "ChessBase"] [PlyCount "89"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. e4 {[%emt 0:10:52]} c5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:39]} Nc6 { [%emt 0:00:29]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:33]} 4. Nxd4 {[%emt 0: 01:51]} g6 {[%emt 0:00:16]} 5. Nc3 {[%emt 0:00:45]} Bg7 {[%emt 0:00:32]} 6. Be3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:08]} 7. Bc4 {[%emt 0:00:19]} O-O {[%emt 0:00: 09]} 8. Bb3 {[%emt 0:00:21]} d6 {[%emt 0:00:36]} 9. f3 {[%emt 0:00:08]} Bd7 { [%emt 0:00:09]} 10. Qd2 {[%emt 0:00:06]} Nxd4 {[%emt 0:00:06]} 11. Bxd4 { [%emt 0:00:27]} b5 {[%emt 0:00:08]} 12. a4 {[%emt 0:00:27]} b4 {[%emt 0:00:36]} 13. Nd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:07]} 14. Bxg7 {[%emt 0:00:13]} Kxg7 { [%emt 0:00:05]} 15. exd5 {[%emt 0:00:05]} Qb6 {[%emt 0:00:45]} 16. h4 {[%emt 0: 00:12]} h5 {[%emt 0:08:15]} 17. O-O-O {[%emt 0:00:41]} Qa5 {[%emt 0:12:32]} 18. Qd4+ {[%emt 0:00:34]} f6 {[%emt 0:02:23]} 19. Kd2 {[%emt 0:13:18]} Rac8 { [%emt 0:08:01]} 20. Rhe1 {[%emt 0:05:08]} Rfe8 {[%emt 0:04:15]} 21. Re3 { [%emt 0:04:36]} Qc5 {[%emt 0:00:40]} 22. Qf4 {[%emt 0:00:33]} e5 {[%emt 0:25: 46]} 23. dxe6 {[%emt 0:03:42]} Bxe6 {[%emt 0:00:06]} 24. Bxe6 {[%emt 0:04:40]} Rxe6 {[%emt 0:00:09]} 25. Rxe6 {[%emt 0:00:09]} Qd5+ {[%emt 0:00:03]} 26. Kc1 { [%emt 0:00:55]} Qxe6 {[%emt 0:00:24]} 27. Qxd6 {[%emt 0:07:14]} Qc4 {[%emt 0: 02:34]} 28. Qd7+ {[%emt 0:02:00]} Kh8 {[%emt 0:00:20]} 29. Qd2 {[%emt 0:00:50]} Kg7 {[%emt 0:00:43]} 30. b3 {[%emt 0:02:33]} Qc5 {[%emt 0:00:01]} 31. Qd7+ { [%emt 0:02:10]} Kh6 {[%emt 0:03:59]} 32. Rd2 {[%emt 0:02:49]} a5 {[%emt 0:10: 42]} 33. Kb1 {[%emt 0:10:02]} Rc7 {[%emt 0:02:39]} 34. Qd8 {[%emt 0:01:31]} Kg7 {[%emt 0:00:42]} 35. Re2 {[%emt 0:01:12]} Qg1+ {[%emt 0:02:19]} 36. Kb2 { [%emt 0:01:58]} Qc5 {[%emt 0:00:07]} 37. g4 {[%emt 0:02:16]} Qc3+ {[%emt 0:04: 54]} 38. Kb1 {[%emt 0:00:08]} hxg4 {[%emt 0:00:50]} 39. fxg4 {[%emt 0:00:13]} Qc5 {[%emt 0:00:51]} 40. h5 {[%emt 0:04:20]} Qg1+ {[%emt 0:02:16]} 41. Ka2 { [%emt 0:01:17]} Qg3 {[%emt 0:00:43]} 42. hxg6 {[%emt 0:06:01]} Qf4 {[%emt 0:02: 27]} 43. Kb2 {[%emt 0:05:35]} Qg3 {[%emt 0:01:23]} 44. Qe8 {[%emt 0:01:58]} Qxg4 {[%emt 0:01:21]} 45. Rh2 {[%emt 0:00:45]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.28"] [White "Poysti, Nathanael"] [Black "Aditya Mittal"] [Result "1/2-1/2"] [ECO "A28"] [WhiteElo "2220"] [BlackElo "2464"] [Annotator "ChessBase"] [PlyCount "92"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. c4 {[%emt 0:04:30]} Nf6 {[%emt 0:00:10]} 2. Nc3 {[%emt 0:00:05]} e5 { [%emt 0:00:03]} 3. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:05]} 4. e4 {[%emt 0:00: 08]} Bb4 {[%emt 0:00:06]} 5. d3 {[%emt 0:00:10]} d6 {[%emt 0:00:11]} 6. a3 { [%emt 0:00:10]} Bc5 {[%emt 0:00:05]} 7. b4 {[%emt 0:00:08]} Bb6 {[%emt 0:00:04] } 8. Na4 {[%emt 0:00:11]} Bd4 {[%emt 0:00:04]} 9. Nxd4 {[%emt 0:00:14]} Nxd4 { [%emt 0:00:02]} 10. Nc3 {[%emt 0:00:18]} O-O {[%emt 0:01:10]} 11. Ne2 {[%emt 0: 01:00]} Ne6 {[%emt 0:00:12]} 12. g3 {[%emt 0:00:50]} a5 {[%emt 0:00:09]} 13. b5 {[%emt 0:04:31]} a4 {[%emt 0:06:27]} 14. Bg2 {[%emt 0:01:17]} c6 {[%emt 0:01: 01]} 15. bxc6 {[%emt 0:02:38]} bxc6 {[%emt 0:00:08]} 16. O-O {[%emt 0:00:15]} Nc5 {[%emt 0:08:34]} 17. Rb1 {[%emt 0:01:52]} Nb3 {[%emt 0:10:03]} 18. h3 { [%emt 0:03:59]} d5 {[%emt 0:10:50]} 19. exd5 {[%emt 0:06:34]} cxd5 {[%emt 0:00: 13]} 20. Bg5 {[%emt 0:01:19]} Be6 {[%emt 0:09:40]} 21. Nc3 {[%emt 0:31:49]} dxc4 {[%emt 0:03:27]} 22. dxc4 {[%emt 0:02:20]} Ra5 {[%emt 0:10:57]} 23. Nd5 { [%emt 0:02:52]} Bxd5 {[%emt 0:00:30]} 24. Bxd5 {[%emt 0:00:36]} h6 {[%emt 0:01: 42]} 25. Bxf6 {[%emt 0:01:15]} Qxf6 {[%emt 0:00:03]} 26. Qe1 {[%emt 0:02:36]} Ra7 {[%emt 0:02:06]} 27. Qe3 {[%emt 0:03:57]} Rc7 {[%emt 0:01:15]} 28. f4 { [%emt 0:06:16]} e4 {[%emt 0:07:03]} 29. f5 {[%emt 0:07:01]} Re8 {[%emt 0:02:40] } 30. Rf4 {[%emt 0:00:52]} Rce7 {[%emt 0:02:48]} 31. Rd1 {[%emt 0:02:15]} Re5 { [%emt 0:05:15]} 32. Re1 {[%emt 0:02:56]} Qd6 {[%emt 0:02:01]} 33. f6 {[%emt 0: 03:25]} g5 {[%emt 0:00:51]} 34. Rf2 {[%emt 0:06:00]} Qxa3 {[%emt 0:03:04]} 35. Bxf7+ {[%emt 0:00:26]} Kxf7 {[%emt 0:07:25]} 36. Qa7+ {[%emt 0:00:01]} R5e7 { [%emt 0:00:38]} 37. fxe7+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:09]} 38. Rxe4 { [%emt 0:01:05]} Nc5 {[%emt 0:00:05]} 39. Rf8+ {[%emt 0:01:15]} Kg7 {[%emt 0:00: 25]} 40. Re2 {[%emt 0:02:02]} Qxg3+ {[%emt 0:00:24]} 41. Kh1 {[%emt 0:00:34]} Qxh3+ {[%emt 0:08:55]} 42. Rh2 Qe3 {[%emt 0:00:00]} 43. Rxe8 {[%emt 0:01:16]} Qe1+ {[%emt 0:00:00]} 44. Kg2 {[%emt 0:00:08]} Qe2+ {[%emt 0:00:00]} 45. Kg1 { [%emt 0:00:28]} Qe1+ {[%emt 0:00:00]} 46. Kg2 {[%emt 0:00:07]} Qe2+ {[%emt 0: 00:00]} 1/2-1/2 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.29"] [White "Dmitrenko, Viktor"] [Black "Olde, Margareth"] [Result "1-0"] [ECO "E17"] [WhiteElo "2444"] [BlackElo "2240"] [Annotator "NA"] [PlyCount "153"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:04:24]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0: 00:08]} 3. Nf3 {[%emt 0:00:07]} b6 {[%emt 0:00:16]} 4. g3 {[%emt 0:00:05]} Bb7 {[%emt 0:00:05]} 5. Bg2 {[%emt 0:00:05]} Be7 {[%emt 0:00:43]} 6. O-O {[%emt 0: 00:06]} O-O {[%emt 0:00:15]} 7. d5 {[%emt 0:00:03]} exd5 {[%emt 0:00:27]} 8. Nh4 {[%emt 0:00:06]} c6 {[%emt 0:01:46]} 9. cxd5 {[%emt 0:04:33]} Nxd5 { [%emt 0:01:10]} 10. Nf5 {[%emt 0:00:06]} Nc7 {[%emt 0:07:58]} 11. Nc3 {[%emt 0: 05:26]} d5 {[%emt 0:02:18]} 12. e4 {[%emt 0:00:05]} Bf6 {[%emt 0:23:17]} 13. exd5 {[%emt 0:02:42]} Nxd5 {[%emt 0:02:45]} 14. Nxd5 {[%emt 0:15:10]} cxd5 { [%emt 0:00:09]} 15. Ne3 {[%emt 0:00:08]} Nc6 {[%emt 0:08:54]} 16. Nxd5 { [%emt 0:00:23]} Rb8 {[%emt 0:05:04]} 17. Bf4 {[%emt 0:03:58]} Be5 {[%emt 0:00: 56]} 18. Bxe5 {[%emt 0:03:44]} Nxe5 {[%emt 0:00:07]} 19. f4 {[%emt 0:00:03]} Nd7 {[%emt 0:06:06]} 20. Re1 {[%emt 0:11:01]} Bxd5 {[%emt 0:04:12]} 21. Bxd5 { [%emt 0:06:54]} Qf6 {[%emt 0:04:44]} 22. Qd2 {[%emt 0:01:12]} Rbd8 {[%emt 0:02: 32]} 23. Rad1 {[%emt 0:00:22]} Nc5 {[%emt 0:02:13]} 24. Qd4 {[%emt 0:07:14]} Qxd4+ {[%emt 0:05:09]} 25. Rxd4 {[%emt 0:00:13]} Rd7 {[%emt 0:01:00]} 26. Red1 {[%emt 0:02:13]} Rfd8 {[%emt 0:00:44]} 27. b4 {[%emt 0:05:31]} Ne6 {[%emt 0:00: 11]} 28. R4d3 {[%emt 0:00:04]} Kf8 {[%emt 0:01:24]} 29. Kf2 {[%emt 0:00:16]} Rc7 {[%emt 0:06:38]} 30. h4 {[%emt 0:09:27]} Rc2+ {[%emt 0:00:46]} 31. Kf3 { [%emt 0:05:09]} Ke7 {[%emt 0:01:36]} 32. Bb3 {[%emt 0:05:35]} Rxd3+ 33. Rxd3 { [%emt 0:00:02]} Rc1 {[%emt 0:00:53]} 34. Ke4 {[%emt 0:02:55]} Nc7 {[%emt 0:02: 13]} 35. Re3 {[%emt 0:03:56]} Nb5 {[%emt 0:07:58]} 36. Kd5+ {[%emt 0:03:48]} Kd8 {[%emt 0:00:17]} 37. Bc4 {[%emt 0:00:57]} Nc7+ {[%emt 0:00:49]} 38. Kd4 { [%emt 0:00:02]} f6 {[%emt 0:01:07]} 39. Bg8 {[%emt 0:00:11]} Nb5+ {[%emt 0:01: 10]} 40. Kd5 {[%emt 0:01:16]} Nc7+ {[%emt 0:01:08]} 41. Ke4 {[%emt 0:00:22]} h6 {[%emt 0:01:07]} 42. Kf5 {[%emt 0:00:05]} Ne8 {[%emt 0:00:25]} 43. Kg6 { [%emt 0:00:07]} Rc7 {[%emt 0:00:31]} 44. g4 {[%emt 0:01:40]} Rd7 {[%emt 0:00: 27]} 45. Be6 {[%emt 0:00:25]} Rd4 {[%emt 0:00:12]} 46. Bf5 {[%emt 0:00:23]} Rxf4 {[%emt 0:00:48]} 47. Rd3+ {[%emt 0:00:10]} Kc7 {[%emt 0:00:16]} 48. Rd7+ { [%emt 0:00:02]} Kc6 {[%emt 0:01:28]} 49. Rxa7 {[%emt 0:00:41]} Nd6 {[%emt 0:00: 00]} 50. Bd7+ {[%emt 0:00:54]} Kd5 {[%emt 0:00:00]} 51. Kxg7 {[%emt 0:00:08]} f5 {[%emt 0:00:23]} 52. gxf5 {[%emt 0:00:38]} Nxf5+ {[%emt 0:00:41]} 53. Bxf5 { [%emt 0:00:14]} Rxf5 {[%emt 0:00:02]} 54. Kxh6 {[%emt 0:00:19]} Rf4 {[%emt 0: 00:15]} 55. Kg5 {[%emt 0:00:09]} Rxb4 {[%emt 0:00:12]} 56. h5 {[%emt 0:00:36]} Rb2 {[%emt 0:00:42]} 57. h6 {[%emt 0:00:04]} Rg2+ {[%emt 0:00:30]} 58. Kf6 { [%emt 0:00:40]} Rf2+ {[%emt 0:00:38]} 59. Kg7 {[%emt 0:00:04]} Rg2+ {[%emt 0: 00:52]} 60. Kf8 {[%emt 0:00:10]} Rf2+ {[%emt 0:00:36]} 61. Ke8 {[%emt 0:01:33]} Re2+ {[%emt 0:00:44]} 62. Kd8 {[%emt 0:00:17]} Rh2 {[%emt 0:00:49]} 63. h7 { [%emt 0:00:02]} Kd6 {[%emt 0:00:13]} 64. Ke8 {[%emt 0:00:30]} Ke6 {[%emt 0:00: 40]} 65. Kf8 {[%emt 0:00:50]} Rf2+ {[%emt 0:00:12]} 66. Kg8 {[%emt 0:00:22]} Rg2+ {[%emt 0:00:31]} 67. Kf8 {[%emt 0:01:42]} Rf2+ {[%emt 0:00:03]} 68. Ke8 { [%emt 0:00:42]} Rh2 {[%emt 0:00:02]} 69. a3 {[%emt 0:00:41]} Rh3 {[%emt 0:00: 10]} 70. a4 {[%emt 0:00:36]} Rh4 {[%emt 0:00:07]} 71. Kf8 {[%emt 0:00:14]} Rf4+ {[%emt 0:00:06]} 72. Kg8 {[%emt 0:00:48]} Rg4+ {[%emt 0:00:04]} 73. Rg7 { [%emt 0:00:17]} Rxa4 {[%emt 0:00:06]} 74. Rg6+ {[%emt 0:00:20]} Kf5 {[%emt 0: 02:21]} 75. Rxb6 {[%emt 0:00:37]} Rg4+ {[%emt 0:01:51]} 76. Kf7 {[%emt 0:00:12] } Rh4 {[%emt 0:00:35]} 77. Rb5+ {[%emt 0:00:05]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.30"] [White "Juksta, Karolis"] [Black "Pierecker, Markus"] [Result "1-0"] [ECO "E20"] [WhiteElo "2438"] [BlackElo "2229"] [Annotator "NA"] [PlyCount "61"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:10:44]} Nf6 {[%emt 0:00:45]} 2. c4 {[%emt 0:01:30]} e6 {[%emt 0: 00:25]} 3. Nc3 {[%emt 0:00:10]} Bb4 {[%emt 0:00:11]} 4. f3 {[%emt 0:00:08]} c5 {[%emt 0:01:07]} 5. d5 {[%emt 0:00:04]} b5 {[%emt 0:00:20]} 6. e4 {[%emt 0:00: 09]} d6 {[%emt 0:00:57]} 7. Bd2 {[%emt 0:00:47]} a6 {[%emt 0:03:07]} 8. a4 { [%emt 0:00:30]} O-O {[%emt 0:14:14]} 9. axb5 {[%emt 0:02:47]} exd5 {[%emt 0:01: 52]} 10. cxd5 {[%emt 0:06:22]} Nh5 {[%emt 0:01:29]} 11. Be3 {[%emt 0:15:25]} f5 {[%emt 0:02:03]} 12. exf5 {[%emt 0:03:02]} Bxf5 {[%emt 0:13:11]} 13. Nge2 { [%emt 0:03:45]} Nd7 {[%emt 0:05:15]} 14. bxa6 {[%emt 0:19:20]} Ne5 {[%emt 0:07: 01]} 15. Nc1 {[%emt 0:03:14]} Qh4+ {[%emt 0:06:34]} 16. Bf2 {[%emt 0:01:46]} Qg5 {[%emt 0:14:02]} 17. Qd2 {[%emt 0:00:53]} Qg6 {[%emt 0:03:31]} 18. Be3 { [%emt 0:00:49]} Bc2 {[%emt 0:03:11]} 19. Be2 {[%emt 0:07:53]} Qxg2 {[%emt 0:01: 11]} 20. Rf1 {[%emt 0:00:23]} Be4 {[%emt 0:03:14]} 21. f4 {[%emt 0:03:34]} Nf3+ {[%emt 0:05:37]} 22. Bxf3 {[%emt 0:00:27]} Bxf3 {[%emt 0:00:02]} 23. Nd3 { [%emt 0:10:45]} Bxc3 {[%emt 0:02:37]} 24. bxc3 {[%emt 0:00:02]} Bxd5 {[%emt 0: 00:25]} 25. Qxg2 {[%emt 0:01:32]} Bxg2 {[%emt 0:00:02]} 26. Rf2 {[%emt 0:00:12] } Be4 {[%emt 0:00:45]} 27. Nb2 {[%emt 0:03:27]} Rfe8 {[%emt 0:05:49]} 28. Nd1 { [%emt 0:02:18]} Bd3 {[%emt 0:02:08]} 29. a7 {[%emt 0:00:39]} Re7 {[%emt 0:01: 45]} 30. Rd2 {[%emt 0:00:51]} Be4 {[%emt 0:01:39]} 31. Rxd6 {[%emt 0:00:45]} 1-0 [Event "RTU Open 2021"] [Site "Riga"] [Date "2021.08.10"] [Round "3.31"] [White "Ioannidis, Evgenios"] [Black "Krustkalns, Kristaps"] [Result "1-0"] [ECO "A80"] [WhiteElo "2422"] [BlackElo "2198"] [Annotator "NA"] [PlyCount "73"] [EventDate "2021.08.09"] [EventType "swiss"] [EventCountry "LAT"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "5400+30"] 1. d4 {[%emt 0:02:28]} f5 {[%emt 0:00:11]} 2. Nc3 {[%emt 0:00:31]} d5 {[%emt 0: 00:17]} 3. Bf4 {[%emt 0:00:24]} e6 {[%emt 0:01:27]} 4. g4 {[%emt 0:01:32]} Nf6 {[%emt 0:01:35]} 5. Bg5 {[%emt 0:06:28]} Be7 {[%emt 0:03:39]} 6. h3 {[%emt 0: 05:14]} O-O {[%emt 0:08:16]} 7. Qd3 {[%emt 0:04:55]} c6 {[%emt 0:02:30]} 8. Bg2 {[%emt 0:14:41]} b5 {[%emt 0:01:17]} 9. Nf3 {[%emt 0:00:16]} b4 {[%emt 0:07:57] } 10. Bxf6 {[%emt 0:04:58]} Bxf6 {[%emt 0:02:27]} 11. Na4 {[%emt 0:00:04]} Nd7 {[%emt 0:01:26]} 12. a3 {[%emt 0:00:07]} a5 {[%emt 0:05:47]} 13. Qd2 {[%emt 0: 05:26]} bxa3 {[%emt 0:04:14]} 14. Rxa3 {[%emt 0:00:16]} e5 {[%emt 0:06:51]} 15. O-O {[%emt 0:00:05]} e4 {[%emt 0:01:48]} 16. Nh2 {[%emt 0:00:04]} Nb6 {[%emt 0: 04:27]} 17. b3 {[%emt 0:00:51]} Be7 {[%emt 0:10:16]} 18. Nc5 {[%emt 0:01:03]} fxg4 {[%emt 0:05:49]} 19. Nxg4 {[%emt 0:00:16]} Bxg4 {[%emt 0:02:35]} 20. hxg4 {[%emt 0:00:03]} Bxc5 {[%emt 0:03:22]} 21. dxc5 {[%emt 0:00:05]} Nd7 {[%emt 0: 00:10]} 22. c4 {[%emt 0:05:49]} Ne5 {[%emt 0:06:43]} 23. g5 {[%emt 0:08:59]} Rf5 {[%emt 0:08:18]} 24. cxd5 {[%emt 0:00:53]} Rxg5 {[%emt 0:00:44]} 25. f4 { [%emt 0:00:11]} exf3 {[%emt 0:01:50]} 26. exf3 {[%emt 0:00:03]} Ng6 {[%emt 0: 02:09]} 27. f4 {[%emt 0:01:05]} Rg3 {[%emt 0:00:16]} 28. Qf2 {[%emt 0:04:40]} Qh4 {[%emt 0:01:02]} 29. f5 {[%emt 0:00:23]} Rf8 {[%emt 0:01:04]} 30. dxc6 { [%emt 0:05:15]} Qg5 {[%emt 0:00:55]} 31. Qa2 {[%emt 0:01:08]} Qe3+ {[%emt 0:04: 55]} 32. Kh2 {[%emt 0:02:04]} Kh8 {[%emt 0:01:06]} 33. b4 {[%emt 0:03:06]} Qxa3 {[%emt 0:00:42]} 34. Qxa3 {[%emt 0:00:05]} Rxa3 {[%emt 0:00:03]} 35. fxg6 { [%emt 0:00:04]} Re8 {[%emt 0:01:14]} 36. c7 {[%emt 0:00:43]} axb4 {[%emt 0:00: 18]} 37. Rd1 {[%emt 0:00:03]} 1-0