[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.1"]
[White "Erigaisi Arjun"]
[Black "Nihal Sarin"]
[Result "1/2-1/2"]
[WhiteElo "2597"]
[BlackElo "2655"]
[Annotator "NA RC"]
[PlyCount "13"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
{[%evp 8,13,41,34,57,51,39,14]} 1. d4 {[%emt 0:00:06]} d5 {[%emt 0:02:07]} 2.
c4 {[%emt 0:00:08]} e6 {[%emt 0:00:03]} 3. Nc3 {[%emt 0:00:12]} c5 {[%emt 0:00:
04]} 4. cxd5 {[%emt 0:00:12]} exd5 {[%emt 0:00:05]} 5. Nf3 {[%emt 0:00:12]} Nf6
{[%emt 0:00:03]} 6. Bg5 {[%emt 0:00:42]} Be6 {[%emt 0:00:07]} 7. e4 $11 {
[%emt 0:06:21]} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.2"]
[White "Pultinevicius, Paulius"]
[Black "Narayanan.S.L"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2528"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 9,133,35,41,42,42,41,32,16,10,0,13,8,0,10,0,2,5,5,18,7,13,0,46,49,54,53,
44,42,41,25,26,16,51,40,39,33,37,0,39,41,58,38,45,13,18,0,0,0,20,22,27,0,0,0,0,
0,0,0,5,2,10,10,50,35,35,35,35,26,46,37,23,39,82,52,46,11,53,37,39,38,35,41,62,
41,33,0,19,8,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. g3 Bd6 6. Bg2 {D37:
Queen's Gambit Declined: 5 Bf4.} O-O {6...Nc6 is vanishing.} 7. O-O Nc6 8. Qc2
{White is slightly better.} dxc4 {[#]} 9. Rd1 $146 ({Predecessor:} 9. Nb5 e5
10. dxe5 Bxe5 11. Nxe5 Nxe5 12. Rd1 Qe7 13. b3 c5 14. bxc4 Be6 15. Bf4 Nxc4 {
1/2-1/2 (36) Cheparinov,I (2686)-Van Foreest,J (2682) Linares 2020}) 9... Qe7
10. Nb5 a6 11. Nxd6 cxd6 12. Qxc4 Bd7 13. Qd3 Rfc8 14. Bd2 a5 15. a3 e5 16.
dxe5 dxe5 {[#] aiming for ...e4.} 17. Bc3 Bg4 {next ...e4 is good for Black.}
18. Qe3 {[%CAl Rf3e5]} Re8 19. h3 Bf5 20. g4 Bh7 21. Rac1 Be4 22. Nh4 Bh7 23.
Nf3 Ne4 24. Be1 f5 25. gxf5 Bxf5 26. Rd5 Kh8 27. b4 axb4 28. axb4 Red8 29.
Rxd8+ Rxd8 30. Rc4 Nd6 31. Rc5 {[%CAl Rf3e5]} Ne4 32. Rc4 Nd6 33. Rc1 e4 34.
Nh2 Qe6 35. Rd1 Re8 36. Nf1 Bg6 37. Ng3 Nf5 38. Nxf5 Bxf5 39. Bc3 Kh7 40. Qg3 {
[%csl Gc3][%CAl Rg3g7] [#]} Qf7 41. Rd6 Ne7 {[%CAl Bc6e7,Be7d5,Bd5f6,Bf6h5]
[%mdl 32]} 42. b5 Rg8 43. Rd4 Nd5 44. Bb2 Nf6 45. Rd6 Nh5 46. Qe3 (46. Qe5 $5 {
[%CAl Rg2e4]} Re8 47. Qd5 Qxd5 48. Rxd5 $14) 46... Re8 47. Bc1 Bg6 {The
position is equal.} 48. Qd4 Re7 49. b6 Nf4 50. Bxf4 Qxf4 51. e3 Qf5 52. Rd5 Qe6
53. Rd6 Qf5 54. Rd5 Qe6 55. Rd6 Qf5 56. Qd5 Qxd5 57. Rxd5 $11 {[%mdl 4096]
Endgame KRB-KRB} Re6 58. h4 h5 ({But not} 58... Rxb6 $6 59. h5 $16) 59. Rb5 Be8
60. Rg5 g6 61. Kh2 Kg7 62. Kg3 Bc6 63. Rc5 Kf7 64. Rc4 Re5 65. Bf1 Kf6 66. Rd4
Ke7 67. Bg2 {Weighted Error Value: White=0.06/Black=0.07} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.3"]
[White "Hakobyan, Aram"]
[Black "Puranik, Abhimanyu"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2612"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 16,75,47,9,7,8,31,25,24,24,36,17,18,29,26,27,36,16,14,2,16,13,7,0,53,53,
80,17,27,20,47,56,43,7,15,-31,14,33,73,35,77,50,45,44,111,111,117,120,164,143,
221,216,235,244,324,333,308,330,6341,6315,2585,2438]} 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 O-O {C78: Ruy
Lopez: Archangelsk and Möller Defences.} 10. Nbd2 Bb7 11. d5 $5 {[%mdl 4] A
promising side line.} Ne7 {White has an edge.} 12. Bxb6 cxb6 {[#]} 13. a4 $146
({Predecessor:} 13. Re1 Bc8 14. Bc2 Bd7 15. Bd3 h6 16. Nf1 Rc8 17. Rc1 Nh7 18.
Ne3 f5 19. exf5 Nxf5 {1-0 (42) Macovei,A (2453)-Schitco,I (2467) Chess.com INT
2020}) 13... bxa4 14. Bxa4 b5 15. Bc2 Qc7 16. Bd3 Nd7 17. Re1 h6 18. Nh4 Nc5
19. Bc2 Ng6 (19... a5 $11) 20. Nf5 $14 Bc8 21. Re3 (21. Nf1 $16) 21... Nd7 22.
Rf3 Kh7 23. Nf1 Nf6 24. Qd2 (24. N1e3 {is more complex.} Qd8 25. Qf1 Ne7 26.
Ng3 Ng6 27. c4) 24... Bxf5 25. exf5 Ne7 26. Ne3 Qb7 27. Rd1 Rac8 28. h4 h5 29.
Rg3 Rc5 $2 {[#]} (29... Rg8 $14) 30. Nf1 $1 $16 Rg8 (30... Rxd5 $4 31. Qg5 Rg8
32. Be4 $18) 31. Qg5 Rc4 ({Wrong is} 31... Nexd5 $2 {[#]} 32. Be4 $1 $18 {
[%mdl 512]}) 32. Nd2 Rg4 (32... Qb6 $16 {was worth a try.} 33. Be4 (33. Nxc4
bxc4 34. Ba4 Qxb2 $16) 33... Kh8) 33. Rxg4 $18 hxg4 34. Ne4 Nexd5 {[#]} 35.
Rxd5 {[%mdl 576] Remove Defender} Qxd5 {[#]} 36. Qxf6 $1 {[%mdl 512]} Qxe4 (
36... gxf6 37. Nxf6+ {[%mdl 64] Double Attack} Kh6 38. Nxd5 a5) 37. Qxf7 {
[%CAl Rf7h5]} Qf4 38. f6+ {Weighted Error Value: White=0.15/Black=0.26} ({Not}
38. Bb3 Rd8 $11) 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.4"]
[White "Grigorov, Grigor"]
[Black "Smirin, Ilia"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2507"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 24,43,21,10,32,35,35,49,50,56,35,14,14,37,27,12,8,17,13,21,16,8]} 1. Nf3
d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. c4 Be7 7. cxd5 exd5 8. Nc3 O-O 9.
dxc5 Bxc5 10. Na4 Be7 11. Be3 Re8 12. Rc1 Bg4 13. Nc5 {[#]} Qc8 $146 {D34:
Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} ({Predecessor:} 13... Bxc5 14. Bxc5 Ne4
15. Be3 Qd7 16. Nd4 Nxd4 17. Bxd4 Ng5 18. f3 Bh3 19. Qd2 Bxg2 20. Kxg2 Ne6 21.
e3 {0-1 (43) Hnydiuk,A (2530)-Hellers,F (2507) Chess.com INT 2020}) 14. Nd4
Bxc5 15. Rxc5 Bh3 {White is slightly better.} 16. Nxc6 bxc6 17. Qa4 (17. Qc2 {
feels hotter.} Bd7 18. Rd1 Qd8 19. Bd4 Ne4 20. Bxe4 Rxe4 21. f3) 17... Bxg2 18.
Kxg2 Ng4 19. Qxc6 Nxe3+ {The position is equal.} 20. fxe3 Qxc6 21. Rxc6 Rxe3
22. Rf2 {Weighted Error Value: White=0.08/Black=0.02} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.5"]
[White "Kovalenko, Igor"]
[Black "Laurusas, Tomas"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2644"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 9,125,31,20,9,21,10,32,7,33,33,34,34,48,20,11,0,31,0,57,49,52,47,49,45,
45,48,54,48,48,64,103,99,90,37,65,45,56,49,47,47,63,33,39,29,29,34,40,29,35,29,
33,38,42,41,38,37,51,35,56,42,44,27,48,49,51,32,45,9,9,16,16,9,9,0,0,0,6,0,0,1,
39,15,25,25,70,77,59,59,125,124,98,105,119,110,114,121,106,61,41,19,966,861,
2607,2345,2147,1662,29964,5628,29967,29968,29977,29978,29975,29974,29973,29961,
5070,4645]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. Bd2 {C24:
Bishop's Opening: 2...Nf6.} Bxd2+ 7. Qxd2 $1 {[%mdl 4] now scores much better
than the old 7.Nbxd2.} Qd6 8. Nc3 $5 {[%mdl 4] [#] White is slightly better. A
promising side line.} Nbd7 $146 ({Predecessor:} 8... O-O 9. h3 Nbd7 10. O-O a6
11. Rfe1 b5 12. a3 Re8 13. d4 exd4 14. Nxd4 dxe4 {1-0 (56) Bortnyk,O (2962)
-Firouzja,A (3149) Chess.com INT 2019}) 9. exd5 cxd5 10. d4 e4 11. Nh4 {
Black must now prevent Nf5.} (11. Ne5 $5) 11... Nb6 12. f3 exf3 {...Qe7+ is
the strong threat.} 13. O-O-O f2 (13... O-O $11) 14. Qe3+ $14 Qe7 15. Qxf2 {
Hoping for Rhe1.} O-O 16. Rhe1 Qd6 17. h3 Be6 18. Nf5 Bxf5 19. Qxf5 a5 {
And now ...a4 would win.} 20. a4 Rac8 21. Qe5 (21. Qf3 $16) 21... Qc6 22. Qe2
Nc4 {next ...Nxb2! is good for Black.} 23. Bxc4 Qxc4 24. Qxc4 Rxc4 25. Re7 Rb8
26. Rd3 Kf8 27. Re5 Rd8 28. g4 h6 29. Kb1 Rd7 30. b3 Rc8 31. Kb2 Rdc7 32. Re2
Rd7 33. Rf3 Ng8 34. Nb5 Ne7 35. h4 Ng6 36. h5 Ne7 37. Rg2 Rc6 38. g5 hxg5 39.
Rxg5 Rh6 40. Rfg3 Rh7 41. c4 f6 42. Rf3 Ke8 43. Rg4 Kf7 44. Rh3 Nf5 45. Rf4 Nd6
46. Kc3 Rh8 47. Nxd6+ Rxd6 {[%mdl 4096] Endgame KRR-KRR} 48. c5 Rd7 {[#]} (
48... Ra6 $14) 49. b4 $1 $16 axb4+ 50. Kxb4 Re7 51. Rf5 Rd8 52. Kb5 Re4 53. h6
Rxd4 54. hxg7 Re4 $2 {[%mdl 8192] A mistake that costs the game.} (54... Kxg7
$11 55. Rg3+ Kf7) 55. Rh8 $18 Ree8 56. Rxe8 Rxe8 {KR-KR} 57. Kb6 Re7 {[#]} 58.
Rxf6+ $3 {[%mdl 512]} Kxg7 (58... Kg8 59. Rg6) 59. Rd6 Re4 60. Kxb7 Rb4+ 61.
Kc6 Rxa4 62. Rxd5 Kf7 63. Re5 {Weighted Error Value: White=0.09/Black=0.37} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.6"]
[White "Aravindh, Chithambaram VR."]
[Black "Arjun Kalyan"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2641"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 18,41,0,0,0,0,0,0,0,-29,-31,-76,-49,-57,-59,-56,-32,-37,-17,-68,-81,-72,
0,-79,0,-63]} 1. Nf3 d5 2. d4 Nf6 3. g3 Bf5 4. Bg2 e6 5. O-O Be7 6. c4 c6 7.
Nc3 h6 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 O-O $1 {[%mdl 4] is more profitable than
10...Na6 at the moment. D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3
Bg4.} 11. b4 a6 12. Nd2 Bc2 {[#]} 13. f3 $146 ({Predecessor:} 13. h4 Nbd7 14.
Nf3 Bf5 15. Be3 Ng4 {1/2-1/2 (15) Perez Lopez,A (2220)-Ramos,E (2254) ICCF
email 2015}) 13... Nbd7 14. Rf2 e5 15. e3 Rfe8 16. Bf1 exd4 17. exd4 Nf8 18.
Ndb1 (18. Nc4 $11 Bf5 19. Ne5) 18... Bf5 $15 19. Nd2 Bc2 20. Ndb1 Bf5 21. Nd2
$1 {Weighted Error Value: White=0.15/Black=0.18} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.7"]
[White "Praggnanandhaa R"]
[Black "Pavlov, Sergey"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2608"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 12,79,32,0,6,0,22,2,13,0,6,0,32,27,66,57,49,63,60,34,20,27,37,26,46,50,
40,58,77,77,79,37,46,45,45,63,57,52,83,62,64,43,93,99,86,52,103,59,61,59,77,56,
85,76,106,101,141,104,219,205,372,197,398,384,422,381,514,523,512,504]} 1. e4
c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 b6 7. Bd2 Be7 {B22:
Sicilian: 2 c3.} 8. Nc3 Nxc3 9. Bxc3 Bb7 {The position is equal.} 10. Bc4 O-O
11. O-O Na6 12. d5 exd5 13. Bxd5 Bxd5 14. Qxd5 Nc7 {[#]} 15. Qb7 $146 ({
Predecessor:} 15. Qb3 Ne6 16. Rfd1 Qc7 17. Qd5 Rad8 18. Nd4 Nxd4 19. Qxd4 f6
20. Qd5+ Kh8 21. Rac1 {1-0 (41) Nielsen,L (2201)-Franzen,P (1988) Helsingor
2015}) 15... Qc8 16. Qe4 Ne6 17. Rfd1 Qc6 18. Qg4 Rfd8 19. Nd4 Nxd4 20. Rxd4
Qe6 21. Qg3 Rac8 22. Rad1 Bf8 23. a3 Rc4 24. R4d3 b5 25. Rd5 a6 26. h3 Rc5 27.
R5d3 h6 28. Qe3 Qf5 (28... Rc4 $14) 29. Qd2 {[%CAl Rd3d7]} Rc4 30. Re1 {
[%CAl Bd1e1,Be1e3,Be3d3][%mdl 32]} Rc6 31. Rd5 {[#] aiming for e6.} Qe6 32. Re3
Be7 33. Red3 Bg5 34. Qd1 Bf4 (34... Be7 $16 {is a better defense.}) 35. h4 $18
{g3 is the strong threat.} ({Inferior is} 35. Rxd7 Rxd7 36. Rxd7 Bxe5 $11)
35... h5 $2 {[#]} (35... d6 36. g3 Rxc3 {[%mdl 64] Remove Defender} 37. Rxc3
Bxe5) 36. Qxh5 (36. g3 $142) 36... Bh6 $2 (36... f6 {was necessary.} 37. Qd1
Bxe5) 37. Qd1 Qe7 38. g3 Qe6 39. Rxd7 Rxd7 40. Rxd7 {Weighted Error Value:
White=0.16/Black=0.30} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.8"]
[White "Gukesh D"]
[Black "Haldorsen, Benjamin"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2578"]
[BlackElo "2471"]
[Annotator "Shahid"]
[PlyCount "99"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
{[%evp 0,99,19,34,29,22,24,-14,6,6,26,-3,21,27,44,25,40,15,17,16,31,26,28,24,
33,29,42,37,35,33,23,16,48,12,32,15,17,-27,4,-7,10,20,25,19,13,28,22,23,27,21,
22,17,53,49,43,37,30,50,33,43,47,45,47,55,120,109,123,92,138,128,154,163,168,
168,163,154,170,178,167,116,104,76,86,108,113,113,122,128,127,110,116,172,202,
202,212,202,225,233,279,299,629,644]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:08:
13]} 2. Nf3 {[%emt 0:00:21]} d5 {[%emt 0:00:25]} 3. c4 {[%emt 0:00:43]} e6 {
[%emt 0:02:34]} 4. Nc3 {[%emt 0:00:51]} a6 {[%emt 0:00:58]} 5. cxd5 {[%emt 0:
00:30]} exd5 {[%emt 0:00:04]} 6. Bg5 {[%emt 0:00:11]} Be6 {[%emt 0:00:14]} 7.
e3 {[%emt 0:05:30]} Nbd7 {[%emt 0:01:20]} 8. Bd3 {[%emt 0:00:08]} Bd6 {[%emt 0:
00:25]} 9. O-O {[%emt 0:00:09]} c6 {[%emt 0:00:19]} 10. Bf4 {[%emt 0:00:14]}
Qc7 {[%emt 0:00:43]} 11. Qd2 {[%emt 0:00:05]} h6 {[%emt 0:01:21]} 12. Rfe1 {
[%emt 0:04:21]} O-O {[%emt 0:03:38]} 13. h3 {[%emt 0:01:18]} Rfe8 {[%emt 0:00:
05]} 14. Rac1 {[%emt 0:00:34]} Rac8 {[%emt 0:03:39]} 15. a3 {[%emt 0:02:54]}
Qb8 {[%emt 0:01:16]} 16. Bb1 {[%emt 0:13:40]} b5 {[%emt 0:09:17]} 17. Rcd1 {
[%emt 0:13:17]} a5 {[%emt 0:12:42]} 18. b3 {[%emt 0:13:44]} Nb6 {[%emt 0:15:38]
} 19. Qc1 {[%emt 0:06:39]} b4 {[%emt 0:02:54]} 20. axb4 {[%emt 0:00:26]} axb4 {
[%emt 0:00:05]} 21. Ne2 {[%emt 0:04:36]} Nbd7 {[%emt 0:01:07]} 22. Qb2 {
[%emt 0:02:47]} c5 {[%emt 0:03:17]} 23. dxc5 {[%emt 0:00:28]} Bxf4 {[%emt 0:00:
56]} 24. Nxf4 {[%emt 0:00:41]} Nxc5 {[%emt 0:00:43]} 25. Nd4 {[%emt 0:08:29]}
Nce4 {[%emt 0:03:05]} 26. Bxe4 {[%emt 0:04:58]} dxe4 $6 {[%emt 0:02:51]} (26...
Nxe4) 27. Ndxe6 {[%emt 0:00:12]} fxe6 {[%emt 0:00:02]} 28. Rd2 {[%emt 0:00:23]}
Qc7 {[%emt 0:01:54]} 29. Red1 {[%emt 0:00:31]} Qc3 {[%emt 0:01:30]} 30. Qb1 {
[%emt 0:00:34]} Qc5 {[%emt 0:01:31]} 31. Ne2 {[%emt 0:02:38]} e5 {[%emt 0:01:
49]} 32. Ng3 {[%emt 0:03:37]} Qc6 {[%emt 0:04:40]} 33. Rd6 {[%emt 0:02:20]} Qb7
{[%emt 0:02:41]} 34. Nf5 {[%emt 0:05:40]} Rc6 $2 {[%emt 0:03:33]} (34... Rf8)
35. Rxc6 {[%emt 0:00:08]} Qxc6 {[%emt 0:00:01]} 36. Rd6 {[%emt 0:00:09]} Qc7 {
[%emt 0:00:47]} 37. Nxh6+ {[%emt 0:00:56]} Kh7 {[%emt 0:00:34]} 38. Nf5 {
[%emt 0:00:07]} Rc8 {[%emt 0:00:14]} 39. Rd1 {[%emt 0:02:02]} Qc2 {[%emt 0:00:
28]} 40. Nd6 {[%emt 0:00:08]} Qxb1 {[%emt 0:00:13]} 41. Rxb1 {[%emt 0:00:01]}
Rc2 {[%emt 0:00:10]} 42. Kf1 {[%emt 0:02:01]} g5 {[%emt 0:00:13]} 43. g4 {
[%emt 0:00:28]} Kg7 {[%emt 0:00:12]} 44. Ra1 {[%emt 0:00:43]} Rb2 {[%emt 0:00:
22]} 45. Ra7+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:12]} 46. Re7 {[%emt 0:01:07]}
Rxb3 {[%emt 0:00:26]} 47. Rxe5 {[%emt 0:00:02]} Rb1+ {[%emt 0:00:32]} 48. Kg2 {
[%emt 0:00:01]} Rd1 {[%emt 0:01:33]} 49. Nxe4 {[%emt 0:00:42]} Nd5 {[%emt 0:00:
07]} 50. Rxd5 {[%emt 0:00:11]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.9"]
[White "Budisavljevic, Luka"]
[Black "Ivic, Velimir"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2495"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "219"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 9,219,25,48,56,66,60,56,53,69,61,66,66,76,70,68,50,49,52,50,37,48,48,72,
25,34,52,56,31,36,11,35,35,31,-43,-13,-13,-8,-35,12,9,188,173,237,235,501,504,
495,486,786,779,730,603,601,627,615,618,606,561,618,606,608,599,601,614,613,
613,608,603,592,589,554,588,705,710,1650,464,610,589,580,569,975,987,1872,1873,
1507,800,855,828,1407,1402,1061,883,2795,2635,2015,515,514,499,499,499,449,365,
5650,429,422,60,60,60,60,60,60,60,51,51,60,60,58,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,29983,29984,29977,0,
0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. h4 Bg7 4. Nc3 Nc6 {[#]} 5. e3 $146 ({
Predecessor:} 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 h5 8. Nf3 d6 9. Qd2 Bg4 10. Ng5 e5
11. d5 {1/2-1/2 (19) Svanda,O (2317)-Ocelak,J (2102) Pardubice 2021}) 5... e5
6. d5 $1 {[%CAl Rd5c6] E60: King's Indian: Unusual lines and Fianchetto
Variation without Nc3.} Nb8 7. e4 d6 8. Be2 {White is slightly better.} Na6 9.
b4 O-O 10. a3 c6 11. h5 cxd5 12. h6 ({Don't play} 12. Nxd5 Nxe4 13. Bd3 Nf6 $15
) 12... Bh8 13. cxd5 Bd7 14. Bg5 Rc8 15. Rc1 Qe8 {Threatening ...Rxc3!} 16. Bd3
Nc7 17. Nge2 Nb5 18. Bxb5 Bxb5 19. Ng3 {Qf3 is the strong threat.} Qd7 20. Qf3
Ne8 21. Kd2 (21. Nxb5 $14 Rxc1+ 22. Bxc1 Qxb5 23. Bg5) 21... f6 22. Be3 Bc4 23.
Rh4 $1 Nc7 24. Qg4 Rfd8 (24... Qxg4 $11 25. Rxg4 Kf7) 25. Bxa7 $18 Ra8 (25...
Bb5 $142 26. Qd1 Bc4) 26. Bb6 $1 {aiming for Qxd7.} Rxa3 $2 (26... Bb3 27. Nce2
Ne8 28. Bxd8 Qxd8) 27. Qxd7 $1 Rxd7 28. Bxc7 Rxc3 ({Reject} 28... Rxc7 29. Nb5
$1 $18 {[%mdl 512]}) (28... b5 $142 29. Ba5 Kf7) 29. Rxc3 Rxc7 30. Rh1 f5 31.
exf5 e4 32. Rc2 Be5 33. fxg6 Bf4+ 34. Ke1 hxg6 35. Nxe4 b5 36. Rh4 g5 {[#]} 37.
Rxf4 gxf4 38. Nxd6 {[%mdl 4096] Endgame KRB-KRN} Re7+ 39. Kd2 Bxd5 40. Rc5 {
[%mdl 64] Double Attack} Bb3 41. Rxb5 Re6 42. Nf5 (42. Rg5+ $142 Kh7 43. Nf7)
42... Rf6 43. Kd3 Ba4 44. Rc5 Bd7 45. Ke4 Rb6 46. Kxf4 Rxb4+ 47. Kg3 Rb6 48.
Rd5 Be6 49. Rd6 Rb3+ 50. Ne3 Kf7 51. h7 Rb8 52. Rd1 (52. f4 $142 Rh8 53. f5)
52... Kg7 53. Rh1 Kh8 54. f4 Rb3 55. Kf2 Bf5 $2 (55... Rb2+ 56. Kf3 Bc8) 56. g4
(56. Nxf5 $142 Rf3+ 57. Ke2 Rxf4 58. Nd6) 56... Rb4 57. gxf5 $2 ({Weaker is}
57. Nxf5 Rxf4+ 58. Ke3 (58. Kg3 Rxg4+ 59. Kh3 Rf4 $14) 58... Rxg4 $14) (57. Rh4
$18 Bxh7 58. f5) 57... Rxf4+ {KRN-KR} 58. Kg3 Rxf5 59. Kg4 Rf7 60. Nf5 $1 Rxh7
61. Ra1 {[%CAl Ra1a8]} Rc7 62. Kg5 {White threatens Kg6 and mate.} Kg8 63. Kf6
(63. Ra6 $1 $14 Kf7 64. Kf4) 63... Rc6+ $11 64. Ke7 (64. Ke5 {looks sharper.}
Rb6 65. Rg1+ Kf8 66. Kf4 Kf7 67. Rg2) 64... Rc7+ 65. Kd6 Rb7 66. Ke6 Rb6+ 67.
Nd6 Kg7 68. Ke5 Rb2 69. Rg1+ Kf8 70. Kf6 Rb6 71. Ke6 Ra6 72. Rg2 (72. Kd7 {
keeps more tension.} Ra5 73. Rf1+ Kg7 74. Ne4 Rd5+ 75. Nd6) 72... Rb6 (72...
Ra1 {is more complex.} 73. Rh2 Kg8 74. Rg2+ Kf8) 73. Rg3 (73. Kd7 {looks
sharper.} Rb1 74. Ke6 Ra1 75. Rh2 Kg8 76. Rg2+) 73... Ra6 74. Rg6 (74. Kd7 {
with more complications.} Ra1 75. Ke6 Ra6) 74... Ra1 75. Rf6+ Kg8 76. Rf4 Ra6
77. Ke7 Ra7+ 78. Kf6 Ra6 79. Ke6 Kg7 80. Rg4+ Kh6 81. Rg1 Rb6 82. Ke5 Kh7 83.
Ne4 Rb5+ 84. Ke6 Rb6+ (84... Rb8 {seems wilder.} 85. Ke5 Rb5+) 85. Nd6 (85. Kd5
{keeps more tension.} Ra6 86. Ke5 Ra5+ 87. Kd4 Ra4+ 88. Kd5) 85... Kh6 86. Rg2
Ra6 87. Ke5 Kh7 88. Nf5 Ra5+ 89. Kf4 Ra6 90. Rg7+ Kh8 91. Rb7 Kg8 92. Nd4 Kf8 (
92... Ra1 {seems wilder.} 93. Kg4 Rg1+ 94. Kf3 Kf8 95. Rb8+ Ke7) 93. Ke5 Kg8 (
93... Ra5+ {looks sharper.} 94. Ke4 Ra1 95. Rb8+ Kf7 96. Nc6 Rc1) 94. Ne6 (94.
Nc2 {is interesting.} Ra5+ 95. Ke6 Ra6+ 96. Ke7 Kh8 97. Kd8) 94... Ra1 95. Rg7+
Kh8 96. Rg4 Rf1 97. Nf4 Ra1 98. Kf6 (98. Ne2 {looks sharper.} Ra6 99. Rb4 Ra5+
100. Kd4 Ra1 101. Kc4) 98... Ra6+ 99. Ne6 (99. Ke5 {seems wilder.} Ra5+ 100.
Kd4 Ra4+ 101. Kd5 Ra5+ 102. Ke4) 99... Kh7 100. Rg1 (100. Kf7 {feels hotter.}
Ra7+ 101. Kf8 Ra8+ 102. Kf7 Ra7+) 100... Rb6 101. Ra1 (101. Kf7 {keeps more
tension.} Rb7+ 102. Kf6 Rb6) 101... Rb8 102. Ra2 Kg8 (102... Rb6 {is more
complex.} 103. Rh2+ Kg8 104. Rh1 Ra6 105. Rg1+ Kh8) 103. Ra7 Rb6 104. Re7 Ra6
$2 {[%mdl 8192]} (104... Kh8 $11 105. Kg6 Rb8 106. Rh7+ Kg8 107. Rd7 Kh8 108.
Rd6 Kg8 109. Ng5 Kf8) 105. Kg6 {[%CAl Re7e8]} Ra8 {[#]} 106. Nc5 $2 (106. Nc7
$1 {mates} Rb8 107. Rg7+ Kh8 108. Rh7+ Kg8 109. Nd5 Rb6+ 110. Nxb6 Kf8 111. Kf6
Kg8 112. Rh6 Kf8 113. Rh8#) 106... Kf8 {The position is equal.} 107. Kf6 {
Intending Rg7 and mate.} Kg8 108. Rb7 {Threatening mate with Kg6.} Ra1 109. Ne4
{Rb8+ would kill now.} Rf1+ 110. Kg6 {[%emt 0:00:29] Weighted Error Value:
White=0.10/Black=0.} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.10"]
[White "Meshkovs, Nikita"]
[Black "Dmitrenko, Viktor"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2568"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 9,26,6,14,12,16,6,34,6,12,7,12,11,3,8,1,0,0,-7,-1]} 1. d4 c6 2. Nf3 g6
3. g3 Bg7 4. Bg2 Nf6 5. a4 a5 6. O-O {A40: Unusual replies to 1 d4.} O-O 7. c3
{[#]} Qb6 $146 ({Predecessor:} 7... d5 8. Nbd2 Bf5 9. Qb3 Qc8 10. Re1 Nbd7 11.
Nh4 Be6 12. Nhf3 Bf5 13. Nh4 Be6 14. Nhf3 Bf5 {1/2-1/2 (14) Rinaldi,C (2492)
-Diani,J (2423) Argentina 1998}) 8. b3 {White is slightly better.} d5 {The
position is equal.} 9. Ba3 Re8 10. Nbd2 Bf5 11. Rc1 Nbd7 12. Nh4 Be6 13. e3 Ne4
{Not much happened in this game. Weighted Error Value: White=0.07/Black=0.05}
1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.11"]
[White "Juksta, Karolis"]
[Black "Sanal, Vahap"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2438"]
[BlackElo "2557"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
1. d4 {[%emt 0:00:24]} d6 {[%emt 0:05:03]} 2. e4 {[%emt 0:00:20]} Nf6 {[%emt 0:
00:06]} 3. Nc3 {[%emt 0:00:16]} e5 {[%emt 0:00:07]} 4. dxe5 {[%emt 0:05:00]}
dxe5 {[%emt 0:02:18]} 5. Qxd8+ {[%emt 0:00:09]} Kxd8 {[%emt 0:00:06]} 6. Bc4 {
[%emt 0:10:21]} Ke8 {[%emt 0:01:42]} 7. f3 {[%emt 0:06:15]} c6 {[%emt 0:01:12]}
8. a4 {[%emt 0:00:56]} a5 {[%emt 0:02:03]} 9. Be3 {[%emt 0:11:16]} Na6 {
[%emt 0:01:24]} 10. Nge2 {[%emt 0:00:45]} Bc5 {[%emt 0:01:07]} 11. Bxc5 {
[%emt 0:08:45]} Nxc5 {[%emt 0:00:03]} 12. Nc1 {[%emt 0:03:33]} Ke7 {[%emt 0:04:
21]} 13. Nd3 {[%emt 0:02:16]} Nxd3+ {[%emt 0:06:51]} 14. Bxd3 {[%emt 0:00:49]}
Be6 {[%emt 0:00:23]} 15. Nd1 {[%emt 0:04:13]} Nd7 {[%emt 0:02:51]} 16. Ne3 {
[%emt 0:06:35]} Nc5 {[%emt 0:01:06]} 17. Bc4 {[%emt 0:03:06]} Rhd8 {[%emt 0:01:
31]} 18. Bxe6 {[%emt 0:02:18]} Kxe6 {[%emt 0:00:42]} 19. Ke2 {[%emt 0:02:08]}
g6 {[%emt 0:00:34]} 20. b3 {[%emt 0:04:48]} f5 {[%emt 0:06:43]} 21. exf5+ {
[%emt 0:00:14]} gxf5 {[%emt 0:00:06]} 22. Rhd1 {[%emt 0:00:55]} Rxd1 {[%emt 0:
05:10]} 23. Rxd1 {[%emt 0:00:18]} b5 {[%emt 0:00:32]} 24. Ra1 {[%emt 0:09:10]}
f4 {[%emt 0:08:11]} 25. axb5 {[%emt 0:01:53]} cxb5 {[%emt 0:00:27]} 26. Nd1 {
[%emt 0:01:37]} Nb7 {[%emt 0:00:34]} 27. Nc3 {[%emt 0:03:56]} Rc8 {[%emt 0:02:
55]} 28. Kd2 {[%emt 0:00:50]} Rg8 {[%emt 0:00:33]} 29. g4 {[%emt 0:03:40]} fxg3
{[%emt 0:10:10]} 30. hxg3 {[%emt 0:00:02]} Rxg3 {[%emt 0:00:02]} 31. Rh1 {
[%emt 0:04:02]} Rxf3 {[%emt 0:02:17]} 32. Rxh7 {[%emt 0:02:05]} Nd6 {[%emt 0:
00:11]} 33. Ra7 {[%emt 0:01:32]} a4 {[%emt 0:05:17]} 34. Ra6 {[%emt 0:00:35]}
Kd7 {[%emt 0:02:26]} 35. Nd5 {[%emt 0:01:39]} axb3 {[%emt 0:01:36]} 36. cxb3 {
[%emt 0:00:08]} Rxb3 {[%emt 0:01:37]} 37. Nf6+ {[%emt 0:00:47]} Ke7 {[%emt 0:
00:08]} 38. Nd5+ {[%emt 0:00:16]} Ke6 {[%emt 0:00:06]} 39. Nc3 {[%emt 0:00:08]}
Rb4 {[%emt 0:01:11]} 40. Kc2 {[%emt 0:00:53]} e4 {[%emt 0:01:43]} 41. Ra7 {
[%emt 0:01:21]} Rc4 {[%emt 0:01:05]} 42. Kb3 {[%emt 0:00:26]} Rc5 {[%emt 0:03:
38]} 43. Rh7 {[%emt 0:00:19]} Re5 {[%emt 0:00:21]} 44. Rh6+ {[%emt 0:00:22]}
Kd7 {[%emt 0:00:09]} 45. Ne2 {[%emt 0:00:26]} Kc6 {[%emt 0:00:36]} 46. Rg6 {
[%emt 0:00:39]} Kc5 {[%emt 0:00:41]} 47. Rg4 {[%emt 0:00:44]} Nf5 {[%emt 0:00:
30]} 48. Kc3 {[%emt 0:00:48]} b4+ {[%emt 0:02:53]} 49. Kd2 {[%emt 0:00:13]} Kc4
{[%emt 0:00:27]} 50. Rf4 {[%emt 0:00:29]} Nd4 {[%emt 0:00:39]} 51. Ng3 {
[%emt 0:00:13]} e3+ {[%emt 0:00:05]} 52. Ke1 {[%emt 0:00:40]} Kd3 {[%emt 0:00:
10]} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.12"]
[White "Yuffa, Daniil"]
[Black "Ioannidis, Evgenios"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2556"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 14,41,41,37,67,56,47,53,51,51,66,61,54,66,95,46,274,255,604,590,2651,
2244,4153,3327,29989,985,1647,1545,1545,1485]} 1. c4 Nf6 2. d4 e6 3. Nf3 d5 4.
g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Rb8 8. Nfd2 e5 {E04: Open Catalan: 5 Nf3.}
9. Bxc6+ bxc6 10. dxe5 Ng4 {White is slightly better.} 11. Nxc4 Be6 {[#]
Strongly threatening ...Qxd1.} 12. Nbd2 Bb4 13. b3 {[#]} Bc3 $146 ({
Predecessor:} 13... Bxd2 14. Bxd2 Bxc4 15. bxc4 Nxe5 16. Bc3 Qxd1 17. Rfxd1
Nxc4 18. Bxg7 Rg8 19. Bh6 Nd6 20. Rac1 Kd7 21. Rc2 Rb6 22. e4 Ke6 23. Be3 {
1-0 (23) Le,Q (2709)-Pichot,A (2630) Lichess.org INT 2020}) 14. Ba3 {And now
Rc1 would win.} Qg5 $2 {A mistake that costs the game.} ({Black should try}
14... Bxa1 $14 15. Qxa1 Qd3) 15. Nf3 Qh5 {[#]} (15... Qd8 16. Nd4 Bxd4 17. exd4
(17. Qxd4 Qxd4 18. exd4 Nh6 $18) 17... h5) 16. Nd6+ $1 $18 {[%mdl 512]} cxd6 (
16... Kd7 17. Rc1) 17. Qxd6 {[%csl Ga3][%CAl Rd6e7][%mdl 64] Double Attack} Rb7
18. Qxc6+ {[%mdl 64] Double Attack} Rd7 19. Qxc3 (19. Qc8+ $142 Rd8 20. Qc5 Rd7
21. Rad1 Bd5 22. Rxd5 f6 23. Rxd7 Qxh2+ 24. Nxh2) 19... Nf6 20. Qc8+ Rd8 21.
Qc6+ {Weighted Error Value: White=0.15/Black=1.30} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.13"]
[White "Kulaots, Kaido"]
[Black "Akesson, Ralf"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2548"]
[BlackElo "2395"]
[Annotator "ChessBase"]
[PlyCount "83"]
[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]} c6 {[%emt 0:05:30]} 2. d4 {[%emt 0:00:23]} d5 {[%emt 0:
00:38]} 3. e5 {[%emt 0:00:11]} Bf5 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:28]} e6
{[%emt 0:00:12]} 5. Be2 {[%emt 0:00:09]} Nd7 {[%emt 0:00:33]} 6. O-O {[%emt 0:
00:22]} h6 {[%emt 0:00:59]} 7. Nbd2 {[%emt 0:00:54]} Ne7 {[%emt 0:00:38]} 8.
Nb3 {[%emt 0:00:17]} Qc7 {[%emt 0:02:48]} 9. Bd2 {[%emt 0:03:01]} a5 {[%emt 0:
04:26]} 10. a4 {[%emt 0:01:49]} g5 {[%emt 0:03:15]} 11. c3 {[%emt 0:02:41]} Bg7
{[%emt 0:00:52]} 12. Ne1 {[%emt 0:03:41]} Bg6 {[%emt 0:08:44]} 13. f4 {[%emt 0:
06:41]} gxf4 {[%emt 0:08:19]} 14. Bxf4 {[%emt 0:01:18]} c5 {[%emt 0:05:59]} 15.
Kh1 {[%emt 0:05:06]} h5 {[%emt 0:15:01]} 16. Nf3 {[%emt 0:07:53]} h4 {[%emt 0:
07:59]} 17. Ng5 {[%emt 0:17:55]} Nf5 {[%emt 0:09:36]} 18. Bb5 {[%emt 0:03:28]}
Bf8 {[%emt 0:07:07]} 19. c4 {[%emt 0:03:51]} dxc4 {[%emt 0:11:00]} 20. d5 {
[%emt 0:00:49]} O-O-O {[%emt 0:00:34]} 21. d6 {[%emt 0:01:50]} Qb6 {[%emt 0:02:
51]} 22. Nd2 {[%emt 0:00:08]} Qa7 {[%emt 0:01:12]} 23. Nxc4 {[%emt 0:06:05]}
Nb6 {[%emt 0:00:28]} 24. Ne3 {[%emt 0:01:14]} Nd4 {[%emt 0:02:03]} 25. Bd3 {
[%emt 0:04:20]} Bh5 {[%emt 0:00:45]} 26. Qe1 {[%emt 0:02:06]} Bg7 {[%emt 0:00:
24]} 27. h3 {[%emt 0:01:29]} Rdf8 {[%emt 0:00:33]} 28. Ne4 {[%emt 0:01:19]} Nd7
{[%emt 0:00:19]} 29. Nc4 {[%emt 0:00:50]} b6 {[%emt 0:00:21]} 30. Nc3 {[%emt 0:
00:40]} Bg6 {[%emt 0:00:24]} 31. Qd1 {[%emt 0:12:35]} Qb7 {[%emt 0:00:13]} 32.
Rc1 {[%emt 0:01:32]} Kb8 {[%emt 0:00:22]} 33. Bxg6 {[%emt 0:03:59]} fxg6 {
[%emt 0:00:04]} 34. Qg4 {[%emt 0:00:05]} Nf5 {[%emt 0:02:01]} 35. Rce1 {
[%emt 0:01:03]} Bh6 {[%emt 0:00:28]} 36. Kh2 {[%emt 0:00:23]} Bxf4+ {[%emt 0:
01:02]} 37. Rxf4 {[%emt 0:00:13]} g5 {[%emt 0:00:18]} 38. Rf2 {[%emt 0:00:27]}
Nh6 {[%emt 0:00:43]} 39. Rxf8+ {[%emt 0:00:45]} Nxf8 {[%emt 0:00:33]} 40. Qxg5
{[%emt 0:00:47]} Nd7 {[%emt 0:00:29]} 41. Qxh4 {[%emt 0:00:44]} Rg8 {[%emt 0:
00:28]} 42. Qe4 {[%emt 0:00:28]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.14"]
[White "Vignesh N R"]
[Black "Kantor, Gergely"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2428"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 9,68,2,0,0,10,15,13,0,0,0,0,0,0,0,-3,0,0,0,16,-47,-43,-46,-43,-54,-38,
-53,-37,-48,-47,-43,-46,-160,-161,-168,-157,-154,-150,-155,-91,-83,-87,-92,-77,
-112,-127,-129,-123,-127,-111,-163,-188,-228,-243,-231,-229,-233,-236,-306,
-242,-5713,-2498]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 {
A28: English Opening: Four Knights Variation.} Bc5 {next ...Ng4 is good for
Black.} 7. b4 Bb6 8. Na4 {The position is equal.} Bd4 $1 {The main line 8...
Bd4 scores better than 8...Bg4.} 9. Rb1 a6 10. Nxd4 Nxd4 11. Be2 b5 12. Nc3 Bb7
13. f3 Nh5 {[#]} 14. g3 $146 (14. O-O $11) ({Predecessor:} 14. O-O O-O 15. Be3
Nf4 16. Bxf4 exf4 17. Qd2 f5 18. a4 bxa4 19. Bd1 a3 20. Ra1 {1/2-1/2 (45)
Rimsans,A (2120)-Keevil,P ICCF email 2017}) 14... f5 15. Be3 O-O 16. cxb5 Nxe2
17. Qxe2 axb5 18. Bc1 Qe8 19. O-O Qg6 20. Nxb5 ({White should play} 20. Qg2 $15
) 20... fxe4 $1 $17 21. dxe4 ({Wrong is} 21. fxe4 $2 Nxg3 22. Rxf8+ (22. hxg3
$2 Qxg3+ 23. Qg2 Rxf1+ 24. Kxf1 Rf8+ 25. Kg1 Qe1+ 26. Kh2 Rf2 $19) 22... Rxf8
$19) ({Don't blunder} 21. Nxc7 $2 exf3 22. Qa2+ Kh8 $19) 21... Ba6 $1 22. Qc4+
{[#]} Kh8 $1 {Strongly threatening ...Nxg3!} 23. Rf2 d5 (23... Nxg3 $142 $1 24.
hxg3 Qxg3+ 25. Rg2 Qe1+ 26. Qf1 Qxf1+ 27. Kxf1 Bxb5+ 28. Kf2 Bd3) 24. Qxd5 c6
25. Qxe5 {Black must now prevent Nc7.} Bxb5 26. g4 {[#]} Nf6 {[%CAl Rf6g4]} 27.
Bb2 Qf7 28. Qc5 Rad8 {[%CAl Ba8d8,Bd8d3,Bd3h3][%mdl 32]} 29. h3 (29. Ra1 $17 {
might work better.}) 29... Rd3 $19 30. Re1 Nd7 31. Qg5 Kg8 32. f4 Rxh3 {
And now ...h6 would win.} 33. f5 Nf6 34. Rg2 $2 (34. Bxf6 Qxf6 35. Qxf6 gxf6
36. Ra2) 34... Qa7+ {Weighted Error Value: White=0.37/Black=0.05} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.15"]
[White "Kretainis, Kristaps"]
[Black "Visakh N R"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2192"]
[BlackElo "2516"]
[Annotator "ChessBase"]
[PlyCount "96"]
[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 0:00:10]} 2. g3 {[%emt 0:00:05]} c6 {[%emt 0:
00:24]} 3. Bg2 {[%emt 0:00:06]} Bg4 {[%emt 0:00:13]} 4. h3 {[%emt 0:00:29]} Bh5
{[%emt 0:00:07]} 5. O-O {[%emt 0:00:14]} Nd7 {[%emt 0:01:16]} 6. d4 {[%emt 0:
01:16]} e6 {[%emt 0:02:38]} 7. Nbd2 {[%emt 0:03:03]} Ngf6 {[%emt 0:01:53]} 8.
c4 {[%emt 0:00:09]} Be7 {[%emt 0:02:11]} 9. Qb3 {[%emt 0:04:19]} Qb6 {[%emt 0:
02:53]} 10. c5 {[%emt 0:04:08]} Qa6 {[%emt 0:02:21]} 11. Re1 {[%emt 0:01:01]}
b6 {[%emt 0:00:35]} 12. cxb6 {[%emt 0:00:09]} axb6 {[%emt 0:00:59]} 13. e4 {
[%emt 0:01:02]} O-O {[%emt 0:06:55]} 14. exd5 {[%emt 0:04:12]} cxd5 {[%emt 0:
04:21]} 15. Bf1 {[%emt 0:02:45]} Qa5 {[%emt 0:00:28]} 16. a3 {[%emt 0:04:06]}
Rfc8 {[%emt 0:04:21]} 17. Rb1 {[%emt 0:06:06]} Rc7 {[%emt 0:19:13]} 18. Bd3 {
[%emt 0:03:55]} Rac8 {[%emt 0:00:21]} 19. Qd1 {[%emt 0:03:55]} Qa8 {[%emt 0:05:
58]} 20. Kg2 {[%emt 0:08:40]} Bd6 {[%emt 0:02:47]} 21. g4 {[%emt 0:26:48]} Bg6
{[%emt 0:00:03]} 22. Bxg6 {[%emt 0:00:10]} hxg6 {[%emt 0:00:06]} 23. Nb3 {
[%emt 0:02:17]} b5 {[%emt 0:06:51]} 24. Qd3 {[%emt 0:01:37]} Nb6 {[%emt 0:04:
48]} 25. Bd2 {[%emt 0:03:13]} Nc4 {[%emt 0:01:27]} 26. Re2 {[%emt 0:02:07]} Ne4
{[%emt 0:00:28]} 27. Be1 {[%emt 0:00:33]} Bf4 {[%emt 0:05:58]} 28. Bb4 {
[%emt 0:00:35]} Bd6 {[%emt 0:00:25]} 29. Bxd6 {[%emt 0:01:21]} Ncxd6 {[%emt 0:
00:25]} 30. Ne1 {[%emt 0:03:52]} Nc4 {[%emt 0:24:55]} 31. f3 {[%emt 0:00:39]}
Nf6 {[%emt 0:00:00]} 32. Nc5 {[%emt 0:02:46]} Nd7 {[%emt 0:00:00]} 33. Nxd7 {
[%emt 0:00:04]} Rxd7 {[%emt 0:00:00]} 34. Qb3 {[%emt 0:01:57]} Rdc7 {[%emt 0:
00:00]} 35. Nc2 {[%emt 0:01:42]} Qc6 {[%emt 0:00:00]} 36. Nb4 {[%emt 0:01:30]}
Qd6 {[%emt 0:00:00]} 37. Qd3 {[%emt 0:00:15]} g5 {[%emt 0:00:00]} 38. Ra1 {
[%emt 0:00:27]} g6 {[%emt 0:00:00]} 39. Ra2 {[%emt 0:02:49]} Re7 {[%emt 0:00:
00]} 40. b3 {[%emt 0:00:49]} Nxa3 {[%emt 0:00:00]} 41. Nc2 {[%emt 0:01:48]} Nb1
{[%emt 0:00:00]} 42. Re1 {[%emt 0:00:20]} Nc3 {[%emt 0:00:00]} 43. Ra5 {
[%emt 0:00:11]} Rec7 {[%emt 0:00:00]} 44. Ne3 {[%emt 0:01:24]} Qb4 {[%emt 0:00:
00]} 45. Rea1 {[%emt 0:00:53]} Qxb3 {[%emt 0:00:00]} 46. R5a3 {[%emt 0:00:19]}
Qb2+ {[%emt 0:00:00]} 47. Qc2 {[%emt 0:03:50]} Qxc2+ {[%emt 0:00:00]} 48. Nxc2
{[%emt 0:00:00]} Ne2 {[%emt 0:00:00]} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.16"]
[White "Raja Harshit"]
[Black "Vardanyan, Aras"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2486"]
[BlackElo "2255"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 11,118,24,31,24,40,31,33,26,36,40,29,5,9,-8,0,-9,-23,-40,-16,-18,0,0,0,
0,0,-32,52,44,54,-2,-16,-74,-64,-65,68,58,64,-274,-274,-274,-274,-274,-274,
-274,-274,-398,-384,-384,-384,-643,-384,-384,-384,-384,-384,-422,-397,-397,
-397,-397,-383,-397,-397,-397,-397,-388,0,-395,-388,-388,-353,-353,-353,-353,
-353,-397,-396,-396,-395,-395,-395,-395,-325,-388,-388,-388,-381,-381,-379,
-556,-380,-360,-360,-482,-483,-572,-568,-646,-639,-629,-615,-579,-561,-923,
-924,-1026,-1026,-1000,-970]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
a6 6. Bg5 Nbd7 7. Qe2 {7.Qe2 is the recent fashion. B94: Sicilian Najdorf: 6
Bg5 Nbd7.} b5 8. g3 Bb7 9. Bg2 {White is slightly better.} e6 10. O-O Qb6 {[#]}
11. Rad1 $146 ({Predecessor:} 11. Rfd1 Be7 12. a4 b4 13. Na2 Nc5 14. a5 Qxa5
15. e5 Bxg2 16. exd6 Bxd6 17. Nf5 {1/2-1/2 (85) Klein,D (2509)-Van Kampen,R
(2615) Netherlands 2016}) 11... Be7 12. a3 O-O 13. Kh1 Rac8 14. f4 Rfe8 15. e5
dxe5 16. fxe5 Bxg2+ 17. Kxg2 Qb7+ 18. Kh3 {[#]} Rxc3 $1 19. exf6 $14 Rc5 {
[%CAl Re7f6]} 20. Nxe6 {[#]} (20. fxe7 $14 Rxg5 21. Rxf7 $3 {[%mdl 512]}) 20...
Re5 $1 $11 {[%CAl Re5e2]} 21. Rxd7 (21. Qg4 Nxf6) 21... Qxd7 $17 {[%mdl 64] Pin
} 22. Qxe5 {[#]} Bxf6 ({Better is} 22... Bxa3 $1 $15 23. Qd4 (23. bxa3 $2 Rxe6
24. Rd1 Rd6+ 25. Kh4 Rxd1 $19) 23... Qxe6+ 24. g4 Bd6) 23. Bxf6 $14 Rxe6 24.
Qf5 {[%mdl 8192] [#]} (24. Qd4 $14 Rd6+ 25. Qg4 Qxg4+ 26. Kxg4 gxf6 27. Rf2)
24... g6 $1 $19 {[%CAl Rg6f5]} 25. Qd3 Rd6+ {[%mdl 64] Discovered Attack} 26.
Kg2 {Hoping for Qf3.} Rxd3 27. cxd3 Qxd3 {[%mdl 4096] Endgame KQ-KRB} 28. h4 (
28. Rf3 $142 Qe4 29. Kf2) 28... h6 29. Rf4 Kh7 30. g4 $2 (30. Rf3 Qd5 31. Kf2)
30... g5 31. hxg5 hxg5 32. Rf5 Kg6 {White must now prevent ...Qxf5.} 33. Be5
Qd5+ 34. Kg3 a5 35. Rf6+ Kh7 36. Rf5 Qd3+ 37. Rf3 Qc4 38. Rf5 Qd3+ 39. Rf3 $1 {
[%CAl Rf3d3]} Qd7 40. Rf5 Qe7 41. Kf3 b4 42. axb4 axb4 43. Bd4 Qd7 44. Ke3 Qe6+
45. Kf3 Qb3+ 46. Ke4 Qc2+ 47. Ke3 Qc1+ 48. Ke4 Qc6+ 49. Ke3 Kg6 50. Be5 (50.
Kd3 $142) 50... Qc4 51. Bd4 Kh7 52. Rf6 Kg8 {Black is clearly winning.} 53. Rf5
Kf8 54. Re5 Qc1+ 55. Kd3 Qd1+ 56. Kc4 Qxg4 57. Kd5 f5 58. Re6 f4 59. Rf6+ Ke7 {
Weighted Error Value: White=0.43/Black=0.24} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.17"]
[White "O`Donnell, Conor"]
[Black "Sethuraman, S.P..."]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2314"]
[BlackElo "2644"]
[Annotator "RC"]
[PlyCount "118"]
[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]} Nf6 {[%emt 0:02:45]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:
00:06]} 3. Nf3 {[%emt 0:00:22]} Bb4+ {[%emt 0:02:48]} 4. Nbd2 {[%emt 0:00:37]}
O-O {[%emt 0:01:10]} 5. a3 {[%emt 0:00:42]} Be7 {[%emt 0:00:05]} 6. g3 {
[%emt 0:04:26]} b6 {[%emt 0:01:45]} 7. Bg2 {[%emt 0:00:47]} Bb7 {[%emt 0:00:03]
} 8. O-O {[%emt 0:02:53]} c5 {[%emt 0:00:02]} 9. b3 {[%emt 0:03:41]} d6 {
[%emt 0:02:03]} 10. Bb2 {[%emt 0:04:04]} Nbd7 {[%emt 0:00:20]} 11. dxc5 {
[%emt 0:04:07]} bxc5 {[%emt 0:00:11]} 12. Qc2 {[%emt 0:00:18]} a5 {[%emt 0:04:
16]} 13. e4 {[%emt 0:05:07]} Qb6 {[%emt 0:20:19]} 14. Rab1 {[%emt 0:05:29]} Ng4
{[%emt 0:05:00]} 15. Rfd1 {[%emt 0:06:00]} Rfd8 {[%emt 0:02:40]} 16. Bc3 {
[%emt 0:04:03]} Qc7 {[%emt 0:02:18]} 17. Ne1 {[%emt 0:04:16]} Nge5 {[%emt 0:00:
52]} 18. Nf1 {[%emt 0:05:42]} a4 {[%emt 0:13:28]} 19. f4 {[%emt 0:01:02]} Nc6 {
[%emt 0:05:25]} 20. b4 {[%emt 0:00:30]} cxb4 {[%emt 0:01:34]} 21. axb4 {
[%emt 0:00:10]} a3 {[%emt 0:00:02]} 22. Nd3 {[%emt 0:08:35]} Bf6 {[%emt 0:01:
42]} 23. Bxf6 {[%emt 0:03:13]} Nxf6 {[%emt 0:00:07]} 24. Qc3 {[%emt 0:02:29]}
a2 {[%emt 0:08:59]} 25. Ra1 {[%emt 0:01:17]} Qb6+ {[%emt 0:01:37]} 26. Kh1 {
[%emt 0:04:12]} Qd4 {[%emt 0:02:53]} 27. Qxd4 {[%emt 0:01:26]} Nxd4 {[%emt 0:
00:04]} 28. Nc1 {[%emt 0:06:17]} e5 {[%emt 0:00:04]} 29. Rxa2 {[%emt 0:02:45]}
Rxa2 {[%emt 0:01:31]} 30. Nxa2 {[%emt 0:00:04]} Nxe4 {[%emt 0:00:04]} 31. Re1 {
[%emt 0:03:42]} f5 {[%emt 0:00:03]} 32. Ne3 {[%emt 0:07:01]} exf4 {[%emt 0:10:
42]} 33. gxf4 {[%emt 0:00:06]} Nf2+ {[%emt 0:00:02]} 34. Kg1 {[%emt 0:00:04]}
Nd3 {[%emt 0:00:10]} 35. Rd1 {[%emt 0:00:45]} Bxg2 {[%emt 0:02:14]} 36. Rxd3 {
[%emt 0:03:04]} Ne2+ {[%emt 0:00:03]} 37. Kf2 {[%emt 0:00:08]} Nxf4 {[%emt 0:
00:11]} 38. Rd4 {[%emt 0:02:12]} Be4 {[%emt 0:00:04]} 39. Nc3 {[%emt 0:01:54]}
Nd3+ {[%emt 0:07:35]} 40. Ke2 {[%emt 0:00:03]} Nc1+ {[%emt 0:00:15]} 41. Kf2 {
[%emt 0:01:52]} Nd3+ {[%emt 0:01:22]} 42. Ke2 {[%emt 0:00:03]} Nf4+ {[%emt 0:
00:24]} 43. Kf2 {[%emt 0:00:22]} Ne6 {[%emt 0:00:09]} 44. Rd2 {[%emt 0:00:48]}
Bb7 {[%emt 0:00:51]} 45. h4 {[%emt 0:01:59]} h6 {[%emt 0:01:55]} 46. Nb5 {
[%emt 0:00:44]} f4 {[%emt 0:01:04]} 47. Nf5 {[%emt 0:00:29]} Be4 {[%emt 0:00:
30]} 48. Nfxd6 {[%emt 0:00:31]} Bc6 {[%emt 0:00:03]} 49. Na7 {[%emt 0:01:04]}
Ba8 {[%emt 0:00:12]} 50. c5 {[%emt 0:01:21]} g5 {[%emt 0:00:54]} 51. hxg5 {
[%emt 0:00:11]} hxg5 {[%emt 0:00:03]} 52. Re2 {[%emt 0:01:19]} Bd5 {[%emt 0:00:
16]} 53. Re5 {[%emt 0:00:22]} Bb3 {[%emt 0:00:05]} 54. Nc6 {[%emt 0:00:22]} Ra8
{[%emt 0:00:35]} 55. Na5 {[%emt 0:00:36]} Ba2 {[%emt 0:00:04]} 56. Re2 {
[%emt 0:00:47]} Bd5 {[%emt 0:00:03]} 57. Re5 {[%emt 0:00:10]} Ba2 {[%emt 0:00:
05]} 58. Re2 {[%emt 0:01:24]} Bd5 {[%emt 0:00:02]} 59. Re5 {[%emt 0:00:38]} Ba2
{[%emt 0:00:04]} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.18"]
[White "Borisovsky, Dmitry"]
[Black "Karthikeyan, Murali"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "2284"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 14,64,20,7,9,33,57,46,32,-172,-157,-167,-158,-154,-171,-167,-178,-177,
-180,-168,-179,-177,-166,-177,-172,-163,-168,-200,-209,-240,-233,-254,-260,
-245,-243,-254,-252,-565,-536,-514,-427,-535,-525,-512,-510,-466,-432,-455,
-442,-979,-974,-911,-880]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5
6. Bb5+ c6 7. dxc6 bxc6 {[#]} 8. Qf3 $1 cxb5 {C58: Two Knights: 4 Ng5 d5 5
exd5 Na5 sidelines.} (8... Be7 9. Bxc6+) 9. Qxa8 {Hoping for Nc3.} Qc7 {
9...Be7 is a critical line.} 10. Qf3 Nc6 {[#] ...Nd4 is the strong threat.
White is slightly better.} ({Of course not} 10... h6 11. Ne4 $16) 11. Qd1 $146
{This move loses the game for White.} (11. c3 $1 $14 {was the only good move.})
({Predecessor:} 11. c3 Bg4 12. Qg3 Nd4 13. Na3 Ne2 14. Qd3 Nf4 15. Qxb5+ Bd7
16. Qc4 Qb7 17. f3 Bxa3 {1/2-1/2 (36) Chandra,A (2513)-Theodorou,N (2541)
Saint Louis 2019}) 11... h6 $19 12. Nh3 Bxh3 13. gxh3 Nd4 14. c3 {[#]} Qc6 $1 {
[%CAl Rc6h1]} 15. cxd4 {And now 0-0 would win.} Qxh1+ 16. Ke2 Qe4+ $40 {
[%mdl 128] Black wants a kill.} ({Don't do} 16... Qxh2 17. Qb3 $17) 17. Kf1
Qxd4 18. Qe2 Bc5 19. d3 O-O 20. Nc3 Qh4 21. Kg2 b4 22. Nd1 Rd8 23. Be3 Bxe3 24.
fxe3 e4 25. Nf2 (25. d4 {was the crucial defense.}) 25... exd3 {Black is
clearly winning.} 26. Qf3 d2 27. Rd1 Qg5+ 28. Kh1 Qe5 29. b3 g6 30. e4 Rd4 {
[%CAl Rf6e4]} 31. Rf1 (31. h4 $142) 31... Nxe4 32. Ng4 Qd5 {Weighted Error
Value: White=0.65/Black=0.07} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.19"]
[White "Yurovskykh, Oleksandr"]
[Black "Kantans, Toms"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2269"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 13,134,27,14,0,13,12,26,25,57,42,50,54,79,76,64,29,76,66,66,54,44,17,12,
0,82,66,80,0,23,32,25,-48,0,0,0,0,11,-25,-17,-27,0,0,0,0,8,0,0,0,0,5,20,-13,0,
0,0,0,0,0,19,9,63,39,48,10,47,49,105,0,0,0,0,0,0,0,0,0,0,-28,-28,-28,-28,-518,
-475,-485,-554,-657,-634,-618,-552,-587,-428,-428,-428,-428,-428,-551,-533,
-1798,-3601,-2497,-2293,-4602,-2205,-4610,-11951,-5804,-5644,-4627,-4627,-4618,
-4610,-29983,-29984,-29986,-29987,-29990,-29991,-29992,-29993,-29994,-29995,
-29995,-29996]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 h6 5. Bh4 d6 6. e4 Nh5
7. c3 O-O 8. Bc4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} Nd7
9. O-O c5 10. d5 {[#] White has an edge.} Nb6 $146 ({Predecessor:} 10... g5 11.
Ne1 Nf4 12. Bg3 Ne5 13. Bxf4 gxf4 14. Nd3 Nxc4 15. Nxc4 b5 16. Na3 b4 17. cxb4
cxb4 {0-1 (66) Burdalev,K (2314)-Svana,P (2258) Martin 2011}) 11. Bb3 $1 g5 12.
Bg3 f5 13. exf5 Bxf5 14. Nc4 Bg4 15. Ne3 Bxf3 16. gxf3 Nf4 17. Bxf4 (17. Bc2 {
is more complex.} c4 18. a4 a5 19. Re1 Qc8 20. Bxf4 Rxf4 21. Ng2) 17... Rxf4
18. Bc2 Nd7 (18... Qf8 $11) 19. Ng2 $1 $16 {[%CAl Rg2f4]} Rf6 20. Re1 ({
White should try} 20. f4 $16) 20... Qf8 21. Qd3 Qf7 22. Qh7+ Kf8 23. f4 gxf4
24. Nh4 Qxd5 {Hoping for ...Qg5+.} 25. Ng6+ {[#]} (25. Nf5 $5 {[%CAl Rh7g7]}
Rf7 26. Be4 $11) 25... Rxg6+ $1 26. Qxg6 Ne5 (26... Qg5+ {feels hotter.} 27.
Kf1 Bf6 28. Rad1 Rb8 29. Qf5 Ne5) 27. Qe4 Nf3+ 28. Kh1 Qxe4 29. Rxe4 Be5 30.
Re2 Kf7 31. Be4 $36 {[%mdl 2048] White is more active.} Ng5 32. f3 Rb8 33. a4
e6 34. h4 Nxe4 35. Rxe4 $11 {[%mdl 4096] Endgame KRR-KRB} b6 36. h5 a6 (36...
Kf6 $11) 37. Rg1 $14 b5 38. axb5 axb5 39. Rg6 Ra8 (39... Rg8 $1 $14) 40. Rxh6 (
40. Re1 $1 $16) 40... Ra1+ $1 $11 41. Kg2 Ra2 $1 {[%CAl Ra2b2]} 42. Re2 Bxc3 $1
43. Rhxe6 Be5 44. R6xe5 dxe5 {KR-KR} 45. Kh3 Kf6 46. Rg2 c4 47. h6 $2 {[#]
Loses the game.} (47. Rg4 $11) 47... Ra1 $1 $19 48. Rd2 Rh1+ 49. Kg2 Rxh6 50.
Rd5 Kf5 51. Rxb5 Rd6 52. Rc5 Rd2+ 53. Kf1 {[#]} Rc2 54. Ke1 Ke6 55. Rc8 Kd5 56.
Rb8 Kd4 57. Rb5 Rh2 (57... e4 $142 58. fxe4 f3) 58. Kf1 Ke3 59. Kg1 Rh5 60. Kg2
Rg5+ 61. Kf1 Kxf3 62. Rc5 Rh5 {[%CAl Rh5h1] Black mates.} 63. Kg1 Kg3 64. Rxc4
f3 65. Rc3 e4 66. b4 Rd5 {[%CAl Rd5d1]} 67. Rc1 e3 {Weighted Error Value:
White=0.56/Black=0.19} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.20"]
[White "Roshka, Yevgeniy"]
[Black "Coenen, Michael"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2476"]
[BlackElo "2362"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
1. Nf3 {[%emt 0:03:36]} Nf6 {[%emt 0:00:03]} 2. g3 {[%emt 0:00:05]} g6 {
[%emt 0:00:05]} 3. Bg2 {[%emt 0:00:04]} Bg7 {[%emt 0:00:05]} 4. O-O {[%emt 0:
00:35]} O-O {[%emt 0:01:25]} 5. c4 {[%emt 0:03:20]} c5 {[%emt 0:08:43]} 6. d4 {
[%emt 0:01:22]} cxd4 {[%emt 0:00:05]} 7. Nxd4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:
05]} 8. Nc3 {[%emt 0:00:24]} d6 {[%emt 0:06:39]} 9. Nc2 {[%emt 0:04:43]} Be6 {
[%emt 0:06:12]} 10. b3 {[%emt 0:05:40]} Qd7 {[%emt 0:00:53]} 11. Re1 {[%emt 0:
00:33]} Rfd8 {[%emt 0:00:06]} 12. e4 {[%emt 0:02:01]} Rac8 {[%emt 0:09:16]} 13.
Rb1 {[%emt 0:02:24]} Bh3 {[%emt 0:05:32]} 14. Bh1 {[%emt 0:01:59]} a6 {[%emt 0:
00:23]} 15. a4 {[%emt 0:01:58]} Na7 {[%emt 0:12:03]} 16. a5 {[%emt 0:09:15]}
Nc6 {[%emt 0:06:26]} 17. Na4 {[%emt 0:03:49]} Qc7 {[%emt 0:01:42]} 18. Be3 {
[%emt 0:00:41]} Re8 {[%emt 0:02:15]} 19. Bb6 {[%emt 0:02:20]} Qb8 {[%emt 0:00:
20]} 20. Ne3 {[%emt 0:17:07]} h5 {[%emt 0:05:05]} 21. Nd5 {[%emt 0:06:08]} Nxd5
{[%emt 0:00:20]} 22. Qxd5 {[%emt 0:00:15]} Ne5 {[%emt 0:02:38]} 23. f4 {
[%emt 0:03:27]} Nd7 {[%emt 0:01:35]} 24. Bf2 {[%emt 0:00:14]} Rc6 {[%emt 0:03:
46]} 25. Bg2 {[%emt 0:03:27]} Bxg2 {[%emt 0:04:24]} 26. Kxg2 {[%emt 0:00:17]}
Qc7 {[%emt 0:00:47]} 27. Rbd1 {[%emt 0:00:49]} Nc5 {[%emt 0:10:08]} 28. Nxc5 {
[%emt 0:08:03]} dxc5 {[%emt 0:00:02]} 29. Qd7 {[%emt 0:02:35]} Rc8 {[%emt 0:00:
59]} 30. Qxc7 {[%emt 0:01:10]} R6xc7 {[%emt 0:00:06]} 31. e5 {[%emt 0:00:48]}
Kf8 {[%emt 0:02:44]} 32. Rd3 {[%emt 0:01:15]} Ke8 {[%emt 0:02:03]} 33. Red1 {
[%emt 0:00:05]} Bf8 {[%emt 0:01:24]} 34. h3 {[%emt 0:00:31]} e6 {[%emt 0:00:45]
} 35. g4 {[%emt 0:00:06]} Be7 {[%emt 0:00:08]} 36. gxh5 {[%emt 0:00:45]} gxh5 {
[%emt 0:00:01]} 37. Rg3 {[%emt 0:09:48]} Kf8 {[%emt 0:00:04]} 38. Rgd3 {
[%emt 0:00:07]} Ke8 {[%emt 0:00:05]} 39. f5 {[%emt 0:03:02]} exf5 {[%emt 0:01:
30]} 40. Kf3 {[%emt 0:00:13]} Rd8 {[%emt 0:01:46]} 41. Rd5 {[%emt 0:00:01]} Rc6
{[%emt 0:03:52]} 42. Kf4 {[%emt 0:00:43]} f6 {[%emt 0:01:36]} 43. exf6 {
[%emt 0:00:54]} Bxf6 {[%emt 0:01:36]} 44. Bxc5 {[%emt 0:00:28]} Rxc5 {[%emt 0:
00:16]} 45. Re1+ {[%emt 0:00:01]} Kf7 {[%emt 0:01:37]} 46. Rxc5 {[%emt 0:00:01]
} Bh4 {[%emt 0:01:18]} 47. Rxf5+ {[%emt 0:00:08]} Kg6 {[%emt 0:00:07]} 48. Re6+
{[%emt 0:00:14]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.21"]
[White "Miezis, Normunds"]
[Black "Sai Agni Jeevitesh, J.."]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2468"]
[BlackElo "2322"]
[Annotator "RC"]
[PlyCount "111"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
1. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:15]} 2. e4 {[%emt 0:00:13]} d5 {[%emt 0:
00:15]} 3. exd5 {[%emt 0:00:12]} exd5 {[%emt 0:00:03]} 4. d4 {[%emt 0:00:10]}
Nf6 {[%emt 0:00:15]} 5. Nc3 {[%emt 0:00:22]} Bb4 {[%emt 0:00:16]} 6. Nf3 {
[%emt 0:01:43]} O-O {[%emt 0:00:26]} 7. Be2 {[%emt 0:00:12]} dxc4 {[%emt 0:00:
24]} 8. Bxc4 {[%emt 0:00:13]} Bg4 {[%emt 0:01:12]} 9. Be3 {[%emt 0:00:23]} Nc6
{[%emt 0:01:27]} 10. O-O {[%emt 0:00:14]} Qd6 {[%emt 0:01:06]} 11. Be2 {
[%emt 0:04:56]} Rad8 {[%emt 0:08:35]} 12. h3 {[%emt 0:04:13]} Bh5 {[%emt 0:03:
39]} 13. Qb3 {[%emt 0:30:21]} Bxf3 {[%emt 0:29:34]} 14. Bxf3 {[%emt 0:02:18]}
Nxd4 {[%emt 0:00:19]} 15. Bxd4 {[%emt 0:00:41]} Qxd4 {[%emt 0:00:02]} 16. Rad1
{[%emt 0:06:05]} Qc5 {[%emt 0:07:58]} 17. Bxb7 {[%emt 0:03:26]} Bxc3 {[%emt 0:
02:24]} 18. Qxc3 {[%emt 0:00:11]} Qxc3 {[%emt 0:00:51]} 19. bxc3 {[%emt 0:00:
31]} Rb8 {[%emt 0:00:29]} 20. Bf3 {[%emt 0:01:59]} Rb2 {[%emt 0:00:10]} 21. a4
{[%emt 0:01:03]} Rb3 {[%emt 0:10:04]} 22. Rd3 {[%emt 0:00:54]} Rfb8 {[%emt 0:
04:13]} 23. Re1 {[%emt 0:01:31]} Kf8 {[%emt 0:09:15]} 24. Re5 {[%emt 0:01:01]}
Ra3 {[%emt 0:01:54]} 25. Bc6 {[%emt 0:12:05]} a6 {[%emt 0:02:29]} 26. g4 {
[%emt 0:02:33]} h6 {[%emt 0:01:17]} 27. Kg2 {[%emt 0:00:26]} g6 {[%emt 0:05:12]
} 28. Rf3 {[%emt 0:04:30]} Nh7 {[%emt 0:00:05]} 29. h4 {[%emt 0:02:22]} Rb6 {
[%emt 0:01:49]} 30. Rc5 {[%emt 0:09:17]} Ke7 {[%emt 0:00:01]} 31. Rc4 {[%emt 0:
03:34]} Nf6 {[%emt 0:03:34]} 32. g5 {[%emt 0:00:18]} hxg5 {[%emt 0:00:02]} 33.
hxg5 {[%emt 0:00:10]} Nh7 {[%emt 0:00:47]} 34. Re3+ {[%emt 0:00:28]} Kf8 {
[%emt 0:01:35]} 35. f4 {[%emt 0:00:15]} Rb2+ {[%emt 0:02:28]} 36. Kg3 {[%emt 0:
00:34]} Rd2 {[%emt 0:03:32]} 37. Bb7 {[%emt 0:01:09]} Rd7 {[%emt 0:00:24]} 38.
Bxa6 {[%emt 0:00:42]} c6 {[%emt 0:00:38]} 39. Rxc6 {[%emt 0:00:28]} Kg7 {
[%emt 0:00:16]} 40. Rc8 {[%emt 0:00:33]} f6 {[%emt 0:00:19]} 41. Bb5 {[%emt 0:
02:09]} Rb7 {[%emt 0:00:00]} 42. Kh4 {[%emt 0:02:02]} fxg5+ {[%emt 0:00:15]}
43. fxg5 {[%emt 0:00:07]} Rf7 {[%emt 0:01:36]} 44. Be8 {[%emt 0:00:55]} Rf4+ {
[%emt 0:00:33]} 45. Kg3 {[%emt 0:00:04]} Rf8 {[%emt 0:00:30]} 46. Rc7+ {
[%emt 0:01:32]} Kg8 {[%emt 0:00:21]} 47. Bxg6 {[%emt 0:01:28]} Nxg5 {[%emt 0:
00:01]} 48. Kg4 {[%emt 0:00:37]} Nf7 {[%emt 0:00:17]} 49. Bc2 {[%emt 0:01:14]}
Nd6 {[%emt 0:01:10]} 50. Re6 {[%emt 0:00:34]} Ne8 {[%emt 0:00:39]} 51. Rcc6 {
[%emt 0:01:03]} Ng7 {[%emt 0:00:32]} 52. Rh6 {[%emt 0:00:29]} Rf2 {[%emt 0:00:
25]} 53. Rc8+ {[%emt 0:00:23]} Kf7 {[%emt 0:00:16]} 54. Rc7+ {[%emt 0:00:27]}
Kg8 {[%emt 0:00:00]} 55. Bh7+ {[%emt 0:02:34]} Kf8 56. Be4 {[%emt 0:00:00]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.22"]
[White "Kugler, Florian"]
[Black "Gokerkan, Cem Kaan"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2223"]
[BlackElo "2466"]
[Annotator "ChessBase"]
[PlyCount "101"]
[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 0:05:07]} 2. Nf3 {[%emt 0:00:11]} g6 {
[%emt 0:00:21]} 3. c4 {[%emt 0:00:35]} Bg7 {[%emt 0:00:05]} 4. g3 {[%emt 0:00:
09]} O-O {[%emt 0:00:45]} 5. Bg2 {[%emt 0:00:06]} d6 {[%emt 0:00:56]} 6. O-O {
[%emt 0:00:19]} Nbd7 {[%emt 0:02:10]} 7. Nc3 {[%emt 0:00:22]} e5 {[%emt 0:00:
05]} 8. e4 {[%emt 0:01:00]} exd4 {[%emt 0:00:20]} 9. Nxd4 {[%emt 0:00:09]} Re8
{[%emt 1:25:11]} 10. h3 {[%emt 0:01:26]} a6 {[%emt 0:00:00]} 11. Be3 {[%emt 0:
01:21]} Rb8 {[%emt 0:00:00]} 12. b3 {[%emt 0:02:04]} c5 {[%emt 0:00:00]} 13.
Nde2 {[%emt 0:00:27]} b5 {[%emt 0:00:00]} 14. Qxd6 {[%emt 0:01:27]} b4 {
[%emt 0:00:00]} 15. Na4 {[%emt 0:01:10]} Nxe4 {[%emt 0:00:00]} 16. Bxe4 {
[%emt 0:00:56]} Rxe4 {[%emt 0:00:00]} 17. Rad1 {[%emt 0:00:19]} Rxe3 {[%emt 0:
00:00]} 18. fxe3 {[%emt 0:00:07]} Qe8 {[%emt 0:00:00]} 19. Nf4 {[%emt 0:17:38]}
Be5 {[%emt 0:00:00]} 20. Qd5 {[%emt 0:20:09]} Qe7 {[%emt 0:00:00]} 21. Kh2 {
[%emt 0:00:36]} Kg7 {[%emt 0:00:00]} 22. Qc6 {[%emt 0:07:13]} h5 {[%emt 0:00:
00]} 23. Rd2 {[%emt 0:11:28]} h4 {[%emt 0:00:00]} 24. gxh4 {[%emt 0:02:23]} Nf6
{[%emt 0:00:00]} 25. Qxc5 {[%emt 0:00:58]} Qe8 {[%emt 0:00:00]} 26. Kg1 {
[%emt 0:02:15]} Bb7 {[%emt 0:00:00]} 27. Rd5 {[%emt 0:15:44]} Nxd5 {[%emt 0:00:
00]} 28. cxd5 {[%emt 0:00:18]} a5 {[%emt 0:06:32]} 29. Nb6 {[%emt 0:01:46]} Ba6
{[%emt 0:02:18]} 30. Rf2 {[%emt 0:02:29]} Qd8 {[%emt 0:01:06]} 31. Nc4 {
[%emt 0:01:38]} Bc3 {[%emt 0:00:14]} 32. Qa7 {[%emt 0:03:03]} Bb7 {[%emt 0:00:
17]} 33. Nxa5 {[%emt 0:00:45]} Qc8 {[%emt 0:00:45]} 34. Nc6 {[%emt 0:01:47]}
Ra8 {[%emt 0:00:16]} 35. Qc5 {[%emt 0:00:39]} Qd7 {[%emt 0:00:54]} 36. Nxb4 {
[%emt 0:01:08]} Rc8 {[%emt 0:00:01]} 37. Nc6 {[%emt 0:00:11]} Bf6 {[%emt 0:00:
26]} 38. Nh5+ {[%emt 0:02:59]} gxh5 {[%emt 0:00:02]} 39. Rxf6 {[%emt 0:00:08]}
Qxh3 {[%emt 0:00:49]} 40. Rf2 {[%emt 0:00:56]} Rg8 {[%emt 0:00:54]} 41. Rg2+ {
[%emt 0:01:07]} Kh7 {[%emt 0:00:17]} 42. Qc2+ {[%emt 0:00:40]} Rg6 {[%emt 0:00:
01]} 43. Rxg6 {[%emt 0:00:29]} fxg6 {[%emt 0:00:31]} 44. Qf2 {[%emt 0:00:22]}
Qg4+ {[%emt 0:00:10]} 45. Kh2 {[%emt 0:00:13]} Qd7 {[%emt 0:01:54]} 46. Ne5 {
[%emt 0:00:24]} Qd6 {[%emt 0:00:00]} 47. Qf7+ {[%emt 0:00:21]} Kh6 {[%emt 0:00:
06]} 48. Qf4+ {[%emt 0:00:44]} Kg7 {[%emt 0:00:03]} 49. e4 {[%emt 0:00:07]} Ba6
{[%emt 0:00:13]} 50. Qf7+ {[%emt 0:00:13]} Kh6 {[%emt 0:00:01]} 51. Qe6 {
[%emt 0:00:01]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.23"]
[White "Aditya Mittal"]
[Black "Indriunas, Matas"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2464"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 13,57,0,0,0,0,-2,6,0,30,36,52,58,55,33,51,42,56,54,64,54,60,68,66,56,72,
68,69,20,142,134,149,136,409,418,377,351,455,447,891,880,911,886,1210,1210,
1994,1833]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd2 b6 7. cxd5
exd5 8. Rc1 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} Bb7 9. Bd3 a6 {
9...Be7 deserves study.} 10. O-O {The position is equal.} Re8 11. Ne5 Bd6 12.
f4 c5 13. Ne2 {[#]} Ne4 $146 ({Predecessor:} 13... Nc6 14. Be1 Ne4 15. Bxe4
dxe4 16. Ng3 Bxe5 17. dxe5 Qxd1 18. Rxd1 Ne7 19. Rf2 Rad8 {0-1 (46) Tenuunbold,
B (1753)-Hossain,E (2402) Tornelo INT 2021}) 14. Ng3 Nxg3 $1 15. hxg3 Qe7 16.
g4 Nd7 17. g5 $40 {[%mdl 128] Black needs to defend precisely.} Bxe5 18. fxe5
Qxg5 19. Rf5 Qe7 20. Qf3 f6 {[#]} (20... g6 $11 {remains equal.} 21. Rf4 Rf8)
21. Rf1 $1 $16 {[%CAl Bc1f1,Bf1f3,Bf3h3,Bh3g3][%mdl 32]} Rf8 {[%CAl Rf6e5] [#]}
22. e6 {[%CAl Re6d7]} g6 $2 {[%mdl 8192] A mistake that costs the game.} (22...
c4 $16 {was worth a try.}) 23. exd7 $18 gxf5 24. Qg3+ Qg7 25. Qc7 {[%mdl 64]
Double Attack. White is clearly winning.} Rab8 (25... Rad8 $142 26. Qxb7 Rxd7
27. Qxb6 c4 28. Bxf5 Rb7 29. Qe6+ Kh8) 26. Rf3 f4 27. Rh3 h6 28. Qxf4 f5 29.
Rg3 {Weighted Error Value: White=0.04/Black=0.36} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.24"]
[White "Petkov, Momchil"]
[Black "Poysti, Nathanael"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2443"]
[BlackElo "2220"]
[Annotator "NA"]
[PlyCount "93"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:
00:02]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:07]}
Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:14]} a6 {[%emt 0:00:02]} 6. h3 {
[%emt 0:00:08]} g6 {[%emt 0:00:04]} 7. Be3 {[%emt 0:00:33]} b5 {[%emt 0:01:48]}
8. a4 {[%emt 0:15:47]} bxa4 {[%emt 0:03:34]} 9. Rxa4 {[%emt 0:03:04]} Bg7 {
[%emt 0:03:53]} 10. Be2 {[%emt 0:03:11]} Nbd7 {[%emt 0:12:08]} 11. Nb3 {
[%emt 0:13:47]} O-O {[%emt 0:03:54]} 12. O-O {[%emt 0:00:33]} Bb7 {[%emt 0:11:
18]} 13. Na5 {[%emt 0:02:24]} Qc7 {[%emt 0:00:17]} 14. Qa1 {[%emt 0:02:33]}
Rfb8 {[%emt 0:02:48]} 15. Rc4 {[%emt 0:12:33]} Qd8 {[%emt 0:00:20]} 16. Rb4 {
[%emt 0:00:47]} Qc7 {[%emt 0:07:06]} 17. Rd1 {[%emt 0:02:44]} Ne5 {[%emt 0:04:
15]} 18. Qa4 {[%emt 0:04:39]} Bc6 {[%emt 0:05:09]} 19. Nxc6 {[%emt 0:03:54]}
Qxc6 {[%emt 0:00:38]} 20. f4 $16 {[%emt 0:01:16]} Rxb4 {[%emt 0:07:43]} 21.
Qxb4 {[%emt 0:00:08]} Ned7 {[%emt 0:08:53]} 22. e5 {[%emt 0:00:37]} Rb8 {
[%emt 0:06:50]} 23. Qa5 {[%emt 0:02:51]} Ne4 {[%emt 0:05:21]} 24. Bf3 {[%emt 0:
04:57]} f5 {[%emt 0:00:01]} 25. exf6 {[%emt 0:04:56]} Ndxf6 {[%emt 0:00:01]}
26. Qa2+ {[%emt 0:00:21]} Kf8 {[%emt 0:00:46]} 27. Qe6 {[%emt 0:00:54]} Rb4 {
[%emt 0:13:59]} 28. Bxe4 {[%emt 0:00:27]} Rxe4 {[%emt 0:01:55]} 29. Nxe4 {
[%emt 0:00:06]} Nxe4 {[%emt 0:00:11]} 30. c3 {[%emt 0:01:22]} Nc5 {[%emt 0:01:
47]} 31. Qc4 {[%emt 0:03:34]} Qa4 {[%emt 0:00:36]} 32. Qxa4 {[%emt 0:00:59]}
Nxa4 {[%emt 0:00:00]} 33. Rd2 {[%emt 0:01:25]} Ke8 {[%emt 0:00:12]} 34. Kf2 {
[%emt 0:00:12]} Kd7 {[%emt 0:00:01]} 35. Bd4 {[%emt 0:03:35]} Bxd4+ {[%emt 0:
00:02]} 36. Rxd4 {[%emt 0:00:04]} Nc5 {[%emt 0:00:42]} 37. Kf3 {[%emt 0:00:50]}
Kc6 {[%emt 0:00:57]} 38. b4 {[%emt 0:01:56]} Nb3 {[%emt 0:01:14]} 39. Rd1 {
[%emt 0:01:31]} a5 {[%emt 0:00:27]} 40. bxa5 {[%emt 0:00:24]} Nxa5 {[%emt 0:00:
01]} 41. Kg4 {[%emt 0:00:37]} h6 {[%emt 0:00:30]} 42. f5 {[%emt 0:00:12]} gxf5+
{[%emt 0:00:00]} 43. Kxf5 {[%emt 0:11:24]} e5 {[%emt 0:02:27]} 44. g4 {[%emt 0:
00:00]} Nc4 {[%emt 0:00:00]} 45. Kg6 {[%emt 0:00:00]} e4 {[%emt 0:00:00]} 46.
Kxh6 {[%emt 0:00:00]} e3 {[%emt 0:00:00]} 47. g5 {[%emt 0:00:00]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.25"]
[White "Redzisz, Michal"]
[Black "Stukan, Martin"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2208"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 9,55,25,35,0,12,6,18,24,27,25,25,29,29,25,18,17,68,68,68,68,62,70,82,71,
86,56,51,43,49,47,49,52,63,59,57,29,60,60,81,52,54,60,58,46,55,46,51,56]} 1. e4
c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf:
Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 7. Nb3 Be6 8. f4 {The
position is equal.} exf4 9. Bxf4 Nc6 10. Qd2 d5 {...d4 is the strong threat.}
11. O-O-O {[%CAl Re4d5]} Bb4 12. Bg5 {[%CAl Re4d5]} d4 (12... Nxe4 $11 13. Qe3
Nxg5 14. Nxd5 Bd6) 13. Nxd4 $14 Qxd4 14. Qxd4 Nxd4 15. Rxd4 Bxc3 16. bxc3 Rc8 {
[#]} 17. Kb2 $146 (17. Kd2 {feels hotter.} Bxa2 18. Bd3 Nd7 19. Ra1 Be6 20. Rb4
) ({Predecessor:} 17. Kd2 Nd7 18. a4 Ne5 19. Bd3 Nc4+ 20. Ke2 f6 21. Bf4 O-O
22. Rb1 Rf7 23. Rb4 {1-0 (45) Santos Latasa,J (2594)-Aditya,M (2429) Biel 2019}
) 17... Nd7 18. a4 (18. Bd3 {is more complex.} Nc5 19. c4 h6 20. Bf4 O-O 21.
Bd6) 18... f6 19. Be3 Ke7 20. Rb4 Rc7 21. Bd3 Ne5 22. Bd4 Bd7 23. Bb6 Rcc8 24.
Rd1 Bc6 {White is slightly better.} 25. a5 Rhe8 26. Re1 Kf7 27. Kc1 Re7 28. Kd2
{Weighted Error Value: White=0.08/Black=0.08} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.26"]
[White "Haria, Ravi"]
[Black "Andrejevs, Arvids"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2440"]
[BlackElo "2204"]
[Annotator "NA"]
[PlyCount "71"]
[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]} e5 {[%emt 0:00:32]} 2. Nf3 {[%emt 0:00:29]} Nc6 {
[%emt 0:00:24]} 3. Bb5 {[%emt 0:00:24]} Nf6 {[%emt 0:00:17]} 4. d3 {[%emt 0:00:
34]} d6 {[%emt 0:00:38]} 5. O-O {[%emt 0:00:43]} g6 {[%emt 0:00:15]} 6. d4 {
[%emt 0:00:51]} Bd7 {[%emt 0:01:38]} 7. Re1 {[%emt 0:01:07]} Bg7 {[%emt 0:01:
23]} 8. d5 {[%emt 0:01:07]} Ne7 {[%emt 0:01:20]} 9. Bxd7+ {[%emt 0:00:12]} Qxd7
{[%emt 0:04:34]} 10. c4 {[%emt 0:00:36]} h6 {[%emt 0:00:53]} 11. Nc3 {[%emt 0:
03:23]} O-O {[%emt 0:00:47]} 12. a4 {[%emt 0:02:33]} Nh7 {[%emt 0:06:34]} 13.
a5 {[%emt 0:15:06]} a6 $14 {[%emt 0:03:05]} 14. Qa4 {[%emt 0:11:28]} Qd8 {
[%emt 0:03:44]} 15. c5 {[%emt 0:09:48]} f5 {[%emt 0:15:00]} 16. cxd6 {[%emt 0:
01:29]} cxd6 {[%emt 0:04:46]} 17. Be3 {[%emt 0:05:19]} Nc8 {[%emt 0:03:43]} 18.
Qb4 {[%emt 0:04:05]} Qe7 {[%emt 0:07:17]} 19. Na4 {[%emt 0:07:48]} f4 {[%emt 0:
03:10]} 20. Bb6 {[%emt 0:02:16]} g5 {[%emt 0:01:38]} 21. Rac1 {[%emt 0:02:44]}
g4 {[%emt 0:04:45]} 22. Rc7 {[%emt 0:00:51]} Qf6 {[%emt 0:00:45]} 23. Nd2 {
[%emt 0:01:02]} Qh4 {[%emt 0:03:04]} 24. Nf1 {[%emt 0:12:22]} Ng5 {[%emt 0:02:
16]} 25. Rec1 {[%emt 0:05:49]} Nxb6 {[%emt 0:09:25]} 26. Qxb6 {[%emt 0:01:15]}
Rab8 {[%emt 0:18:06]} 27. Nc3 {[%emt 0:03:38]} Nh3+ {[%emt 0:02:15]} 28. gxh3 {
[%emt 0:01:14]} gxh3 {[%emt 0:00:06]} 29. f3 {[%emt 0:01:50]} Qg5+ {[%emt 0:00:
48]} 30. Kf2 {[%emt 0:00:26]} Qg2+ {[%emt 0:00:07]} 31. Ke1 {[%emt 0:00:01]}
Qxf3 {[%emt 0:01:01]} 32. Qxd6 {[%emt 0:03:28]} Qg2 {[%emt 0:00:18]} 33. Ne2 {
[%emt 0:00:57]} f3 {[%emt 0:00:30]} 34. Neg3 {[%emt 0:00:40]} f2+ {[%emt 0:00:
47]} 35. Kd2 {[%emt 0:00:24]} Bf6 {[%emt 0:00:43]} 36. Qd7 {[%emt 0:00:13]} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.27"]
[White "Raja Rithvik R"]
[Black "Varshini, V.."]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2433"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "203"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 13,203,18,22,24,50,45,63,55,63,63,63,63,63,59,54,59,54,56,55,56,122,108,
112,100,108,100,108,92,137,135,145,151,144,20,100,101,100,99,108,74,74,80,85,
77,109,101,105,102,108,28,49,28,45,38,113,111,114,115,115,100,183,100,93,97,85,
0,0,0,54,70,73,62,117,119,293,291,304,283,286,287,332,339,391,385,753,674,579,
574,1345,1298,2325,2086,6199,1594,5273,987,654,783,783,783,989,875,1060,1060,
988,963,946,772,879,872,870,812,804,797,783,772,757,757,743,721,641,506,706,
506,620,604,575,506,506,506,506,506,506,499,485,492,485,477,314,314,660,591,
510,0,667,595,660,502,485,488,704,660,680,549,491,466,411,445,612,611,601,593,
689,965,29965,29972,29969,29972,29971,29973,29970,29971,29980,29972,29976,
29976,29982,29983,29983,29984,29984,29982,29990,29991,29991,29992,29992,29993,
29993,29994,29998,29999]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7
6. e3 Nbd7 7. Bd3 c6 8. h3 {8.Nge2 is a critical line. D35: Queen's Gambit
Declined: Exchange Variation.} Ne4 9. Bxe7 Qxe7 10. Bxe4 {White is slightly
better.} dxe4 11. Qg4 Nf6 12. Qxg7 Rg8 13. Qh6 Rxg2 14. Nge2 Rg6 15. Qh4 Be6
16. O-O-O Bd5 (16... Kd7 $14) 17. Nf4 $16 Rg8 18. Rhg1 Kd7 19. Rg5 Rxg5 20.
Qxg5 Rg8 21. Qf5+ Be6 22. Qa5 a6 {[#]} 23. Na4 $146 (23. Qe5 $1 $16) ({
Predecessor:} 23. Qe5 b5 24. Kb1 h6 25. Rc1 Qd6 26. Nxe6 Qxe6 27. Qc5 Rc8 28.
Qa7+ Rc7 29. Qxa6 Qxh3 {1-0 (56) Steingrimsson,H (2549)-Thorhallsson,T (2435)
Akureyri 2019}) 23... Kc8 {[#]} (23... Nd5 $1 $11 {remains equal.}) 24. Qe5 $1
Nd7 25. Qxe4 Rg5 26. Nxe6 fxe6 27. Nc3 Qf7 28. Qh4 Rh5 29. Qg3 Qf5 30. h4 Rh6
31. e4 (31. Qg5 $16 Rg6 32. Qxf5 exf5 33. Kd2) 31... Qf6 $11 32. d5 cxd5 33.
exd5 {Hoping for Ne4.} exd5 (33... e5 $1 $14) 34. Nxd5 $16 {[%csl Gd5][%CAl
Rg3c7]} Qc6+ 35. Nc3 Rg6 36. Qd3 $40 {[%mdl 128] White goes for the king.} Rg2
(36... Rg7 $16 {was called for.}) 37. Kb1 (37. Qxh7 $18 {Strongly threatening
Qf7.} Rxf2 38. Kb1) 37... Qg6 38. Ne4 Kb8 39. Qc2 ({Don't play} 39. Qxd7 $6
Qxe4+ 40. Ka1 Rxf2 $11) (39. a4 $16) 39... Rg1 $11 {aiming for ...Rxd1+.} 40.
f3 {Qh2+ is the strong threat.} (40. Nc3 {seems wilder.} Rxd1+ 41. Nxd1 Qg4 42.
Qd3 Kc8 43. Qc3+) 40... Rxd1+ ({Black should play} 40... Ne5 $11) 41. Qxd1 $14
Qf5 42. a3 Ne5 {White stays focused until the end.} ({Better is} 42... Ka8 $14)
43. Qd5 $16 Qf4 $2 (43... h6 $16 {might work better.} 44. a4 (44. Ka1 Qf4 $16)
44... Ka8) 44. Nc5 $18 {[%csl Gc5][%CAl Rd5b7]} Nc6 45. Qg8+ Ka7 46. Qxh7 {
[%csl Gc5][%CAl Rh7b7]} Na5 {[#]} 47. Qe4 {[%CAl Re4f4]} Qd2 48. Ka2 Qc1 $2 (
48... Nc6 49. Nb3 Qh6) 49. Qb4 b6 50. Nb3 Nxb3 51. Qxb3 {[%mdl 4096] Endgame
KQ-KQ} Qf4 52. h5 a5 53. Qd5 (53. Qe6 $142 Qc7 54. h6) 53... a4 54. h6 (54. Qe6
$142 Qc7 55. h6) 54... Qxh6 55. Qd7+ Kb8 56. Qxa4 Qe6+ 57. Qb3 Qf6 58. Qe3 Ka7
59. f4 Qf7+ 60. Kb1 Qf5+ 61. Ka1 Qc2 62. Qd4 Ka6 63. Ka2 Qf5 64. a4 Qf7+ 65.
Ka3 Qf5 66. Kb3 Kb7 67. Kc3 Ka7 68. Kd2 Qa5+ 69. Kc2 Qf5+ 70. Kc1 Qc8+ 71. Qc3
Qf5 72. Qc7+ Ka8 73. b3 Qd3 74. Qc4 Qe3+ 75. Kc2 Qf2+ 76. Kc3 Ka7 $2 (76...
Qe3+ 77. Qd3 Qc5+ 78. Kb2 Kb7 79. Qe4+ Ka7) 77. Qf7+ Ka6 {intending ...Qe3+.}
78. Qc4+ Ka7 79. Qe4 Qg3+ 80. Kc4 Qg8+ 81. Qd5 Qg4 (81... Qc8+ $142 82. Kd4
Qh8+ 83. Qe5 Qh2) 82. Qe5 Qd1 83. Qe3 Qc2+ 84. Kd4 Qc5+ 85. Ke4 {Intending
Qxc5 and mate.} Qc6+ 86. Kf5 Qd5+ 87. Kf6 Qd6+ 88. Kf7 {Threatening mate with
Qe7+.} Qd5+ 89. Qe6 {White mates.} Qh5+ 90. Kg7 Qh2 91. f5 Qg3+ 92. Kf7 Ka6 93.
Qc4+ Ka7 94. f6 Qe5 95. Qe6 Qh5+ 96. Ke7 Qg5 97. Ke8 Ka8 98. f7 Qh5 99. Kd7 Qh7
100. Kc7 Qh2+ 101. Qd6 Qh7 102. Qc6+ {[%emt 0:00:24] Weighted Error Value:
White=0.17/Black=0.} 1-0
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.28"]
[White "Juknis, Paulius"]
[Black "Plotkin, Mark"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2172"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 14,118,43,34,27,5,73,73,61,70,61,58,64,77,68,41,88,62,143,64,56,15,35,
33,50,0,25,-88,-100,-93,-8,-10,0,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-33,-35,-65,-69,-421,-400,-335,
-171,-544,-485,-910,-910,-910,-866,-800,-803,-29974,-29975,-29975,-29976,
-29976,-29977,-29977,0,0,0,0,0,-29981,-29982,-29982,-29983,-29983,-29984,
-29984,-349]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. d3 Bg7 7.
Be3 Nc6 8. Nf3 O-O {A16: English Opening: 1...Nf6 with ...d5.} 9. Qd2 Nd4 (9...
e5 $11 {remains equal.}) 10. Nxd4 $16 Bxd4 {White is better.} 11. Bh6 Re8 12.
h4 c6 13. h5 Nd5 {[#]} 14. e3 $146 ({Predecessor:} 14. hxg6 hxg6 15. e4 Nxc3
16. bxc3 Bh8 17. d4 e5 18. Bg5 Qd6 19. f4 exd4 20. Rxh8+ Kxh8 {1-0 (41)
Gajewski,G (2610)-Sieciechowicz,M (2437) Poland 2016}) 14... Be5 15. d4 Nxc3 (
15... Bh8 $14) 16. bxc3 ({Much less strong is} 16. dxe5 Qxd2+ 17. Kxd2 Nb5 $14)
(16. hxg6 $1 $16 hxg6 17. dxe5 (17. bxc3 Bc7 $14) (17. Qxc3 Bf6 $11) 17...
Qxd2+ 18. Kxd2) 16... Bf6 $14 17. f4 c5 18. hxg6 (18. dxc5 Qa5 $17) 18... hxg6
19. Be4 ({Weaker is} 19. dxc5 Qa5 $17) 19... Qa5 20. Qd3 (20. Rc1 $11) 20...
cxd4 $17 21. exd4 Bf5 (21... Rd8 $17 22. Kf2 Bg4) 22. Bxf5 $11 Qxf5 23. Qxf5
gxf5 24. Kd2 Kh7 25. Bg5+ (25. g4 $5 {[%CAl Rg4f5]} Bg7 26. g5 $14) 25... Kg7
26. Bxf6+ Kxf6 {[%mdl 4096] Endgame KRR-KRR} 27. Rab1 b6 28. a4 Rg8 29. Rh3 e6
30. a5 bxa5 31. Ra1 Rab8 32. Rxa5 Rb2+ 33. Kd3 Rg2 34. Rxa7 (34. c4 {is more
complex.} Rg1 35. Rxa7 Rd1+ 36. Ke2 Rxd4 37. Rh6+) 34... R8xg3+ 35. Rxg3 Rxg3+
{KR-KR} 36. Kd2 Rf3 37. c4 Rxf4 38. Ke3 Re4+ 39. Kd3 Re1 40. Kd2 Rh1 41. d5 Rh4
42. Kd3 e5 43. Ra6+ Kg5 44. d6 $2 {[%mdl 8192]} ({Better is} 44. Kc3 $15) 44...
Rd4+ $19 45. Kc3 f4 (45... Kf6 $142 46. c5 Ke6) 46. c5 $2 (46. Ra5 Rxd6 47.
Rxe5+ Kg4 48. Re7) 46... f3 $1 {Threatens to win with ...f2.} 47. Ra2 (47. Ra7
$142 Kf6 48. Ra2) 47... Rd5 $1 {[%CAl Rd5c5]} 48. Kc4 {[#]} Rd1 $1 49. Kc3 Kf6
50. Rd2 Rxd2 51. Kxd2 {K3P-KPP} Ke6 52. Ke3 {[#]} e4 $1 53. Kf2 f5 $2 (53... f6
{mates} 54. Ke3 f5 55. Kf2 f4 56. Ke1 e3 57. Kd1 f2 58. Ke2 Kd7 59. Kf1 f3 60.
c6+ Kxd6 61. c7 e2+ 62. Kxf2 Kxc7 63. Ke1 Kc6 64. Kd2 Kd5 65. Ke1 Ke4 66. Kd2
e1=R {[%mdl 64] Deflection, Promotion} 67. Kxe1 Ke3 68. Kf1 f2 69. Kg2 Ke2 70.
Kh3 f1=Q+ 71. Kg4 Qf6 72. Kh5 Qe6 73. Kg5 Kf3 74. Kh5 Kf4 75. Kh4 Qh6#) 54. Ke3
$11 f4+ 55. Kf2 Kd7 56. Ke1 $2 {[%mdl 8192]} (56. Kg1 $11 e3 57. Kf1 f2 58. Kg2
Kc6 59. Kf1 f3 60. d7 {[%mdl 64] Decoy} Kxd7 61. c6+ Kd6 62. c7 e2+ 63. Kxf2
Kxc7 64. Ke1 Kd6 65. Kd2 Ke5 66. Ke1 Kf5 67. Kd2 Kg4 68. Ke1 Kg3 69. Kd2 Kf2
70. Kc2 e1=Q 71. Kb3 Kg1 72. Ka4 f2 73. Kb5 f1=Q+ 74. Kb6 Qe6+ 75. Kb7 Qff7+
76. Kb8 Qee8#) 56... e3 {Black mates.} 57. Kf1 f2 58. Ke2 f3+ 59. Kf1 Kc6 {
Weighted Error Value: White=0.56/Black=0.19} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.29"]
[White "Tanmay Chopra"]
[Black "Pranav Anand"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "2166"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 23,73,45,55,61,67,59,85,50,49,47,50,28,60,19,45,-8,57,73,75,51,51,43,58,
31,76,33,46,0,0,0,51,0,0,-321,-320,-380,-368,-426,-405,-502,-481,-604,-579,
-1247,-1253,-1204,-1179,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 g6
3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10.
Nd3 f5 11. f3 f4 12. b4 {is currently scoring better than 12.Bd2.} g5 13. c5 {
E99: King's Indian: Classical Main Line: 9 Ne1 Nd7 10 f3 f5.} Nf6 14. a4 {
[%CAl Ba2a4,Ba4a5][%mdl 32]} Ng6 15. a5 {White is better.} h5 16. Nf2 Rf7 17.
c6 Bh6 {[#]} 18. Kh1 $146 ({Predecessor:} 18. Bd2 Rg7 19. cxb7 Bxb7 20. Rc1 Bc8
21. h3 Nh4 22. Nb5 a6 23. Na3 Qe8 24. b5 {0-1 (42) Polugaevsky,L-Borisenko,G
Gorky 1954}) 18... Rg7 19. Rg1 (19. cxb7 $14 Bxb7 20. Bd2) 19... Kh7 (19...
bxc6 $11 20. dxc6 Be6) 20. b5 bxc6 21. dxc6 Ne7 22. Nd5 Nexd5 23. exd5 Qg8 24.
Ne4 (24. Bd3+ {is interesting.} Kh8 25. Ne4 Nxe4 26. Bxe4 g4 27. Bd2) 24...
Nxe4 25. fxe4 (25. Bd3 {is more complex.} Bf5 26. fxe4 Bg6 27. Ba3 Qb8 28. g4)
25... g4 $40 {[%mdl 128] Black has some attack.} 26. Ra3 Rb8 (26... Qd8 $11)
27. Rb3 (27. Bd2 $14) 27... Qd8 $11 28. Qe1 $2 {[%mdl 8192]} (28. Qf1 $11 {
and White is okay.}) 28... g3 $1 $19 29. h3 Qh4 $1 {( -> ...Bxh3!)} 30. Qf1 f3
$1 {[%CAl Rf3e2]} 31. Qxf3 Bg4 32. Qf1 {[#] aiming for Bxg4.} (32. Qd3 {
gets mated.} Bxh3 33. Qxg3 Rxg3 34. Rxg3 Qxg3 35. Bxh6 Kxh6 36. a6 Rg8 $1 37.
Bg4 Rxg4 38. b6 Bxg2+ 39. Rxg2 Qxg2#) 32... Rf8 $3 {[%CAl Rf8f2][%mdl 512]} 33.
Qxf8 (33. Bg5 Rxg5) 33... Bxh3 {[%csl Gg7,Gh4,Gh5][%CAl Rh3g4][%mdl 64]
Discovered Attack} 34. Qxg7+ Bxg7 {[%csl Gh4,Gh5][%CAl Rh3g4]} 35. Bg5 {[#]}
Bxg2+ $1 {[%mdl 512] Black mates.} 36. Kxg2 Qh2+ 37. Kf3 Qf2# {Weighted Error
Value: White=0.86/Black=0.11} 0-1
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.30"]
[White "Jesse, Ingemars"]
[Black "Mansoor, Afras"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2392"]
[BlackElo "2192"]
[Annotator "NA"]
[PlyCount "131"]
[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 0:00:03]} 2. g3 {[%emt 0:00:10]} c6 {[%emt 0:
00:04]} 3. Bg2 {[%emt 0:00:09]} Bg4 {[%emt 0:00:18]} 4. O-O {[%emt 0:00:41]} e6
$11 {[%emt 0:00:23]} 5. d4 {[%emt 0:01:37]} Nf6 {[%emt 0:00:26]} 6. Nbd2 {
[%emt 0:00:21]} Nbd7 {[%emt 0:00:38]} 7. Re1 {[%emt 0:00:16]} Be7 {[%emt 0:00:
44]} 8. e4 {[%emt 0:00:12]} dxe4 {[%emt 0:00:30]} 9. Nxe4 {[%emt 0:00:03]} O-O
{[%emt 0:04:35]} 10. c3 {[%emt 0:00:19]} Nxe4 {[%emt 0:17:09]} 11. Rxe4 {
[%emt 0:01:47]} Bf5 {[%emt 0:00:08]} 12. Re1 {[%emt 0:00:14]} h6 {[%emt 0:01:
46]} 13. Qb3 {[%emt 0:02:58]} Qb6 {[%emt 0:00:36]} 14. Nd2 {[%emt 0:01:21]} Bd6
{[%emt 0:15:33]} 15. Nc4 {[%emt 0:02:57]} Qxb3 {[%emt 0:00:03]} 16. axb3 {
[%emt 0:00:02]} Bc7 {[%emt 0:00:07]} 17. b4 {[%emt 0:04:07]} a6 {[%emt 0:00:51]
} 18. h3 {[%emt 0:09:44]} Rac8 {[%emt 0:10:57]} 19. g4 {[%emt 0:03:31]} Bd3 {
[%emt 0:00:34]} 20. Na5 {[%emt 0:02:46]} Bxa5 {[%emt 0:02:18]} 21. Rxa5 {
[%emt 0:01:16]} Rfe8 {[%emt 0:06:42]} 22. Re3 {[%emt 0:11:00]} Bc4 {[%emt 0:01:
34]} 23. f4 {[%emt 0:05:21]} Nb6 {[%emt 0:03:58]} 24. Rc5 {[%emt 0:15:16]} Bd5
{[%emt 0:00:35]} 25. Bf1 {[%emt 0:01:08]} Nd7 {[%emt 0:00:47]} 26. Ra5 {
[%emt 0:14:03]} Nb6 {[%emt 0:00:11]} 27. Re1 {[%emt 0:04:50]} Bc4 {[%emt 0:01:
49]} 28. Rae5 {[%emt 0:01:39]} Bxf1 {[%emt 0:01:52]} 29. Kxf1 {[%emt 0:00:06]}
Nc4 {[%emt 0:01:46]} 30. Rc5 {[%emt 0:01:45]} Nd6 {[%emt 0:00:34]} 31. Rce5 {
[%emt 0:00:19]} Nc4 {[%emt 0:01:33]} 32. Rc5 {[%emt 0:00:15]} Nd6 {[%emt 0:00:
30]} 33. Rce5 {[%emt 0:00:11]} Kf8 {[%emt 0:08:23]} 34. b3 {[%emt 0:02:03]} Rc7
{[%emt 0:01:07]} 35. c4 {[%emt 0:01:50]} b5 {[%emt 0:02:39]} 36. c5 {[%emt 0:
06:16]} Nc8 {[%emt 0:00:04]} 37. f5 {[%emt 0:00:24]} Rce7 {[%emt 0:00:17]} 38.
f6 {[%emt 0:02:04]} gxf6 {[%emt 0:06:14]} 39. Bxh6+ {[%emt 0:00:02]} Kg8 {
[%emt 0:00:01]} 40. R5e4 {[%emt 0:00:28]} Rd8 {[%emt 0:00:24]} 41. Rf4 {
[%emt 0:03:44]} Ra7 {[%emt 0:03:44]} 42. g5 {[%emt 0:01:02]} fxg5 {[%emt 0:01:
53]} 43. Bxg5 {[%emt 0:00:10]} Rd5 {[%emt 0:01:15]} 44. Bf6 {[%emt 0:01:29]}
Ne7 {[%emt 0:00:53]} 45. Re5 {[%emt 0:00:59]} Rxe5 {[%emt 0:02:41]} 46. dxe5 {
[%emt 0:00:32]} Nd5 {[%emt 0:01:24]} 47. Rh4 {[%emt 0:01:04]} Nxf6 {[%emt 0:00:
06]} 48. exf6 {[%emt 0:00:01]} Rd7 {[%emt 0:00:20]} 49. Ke2 {[%emt 0:01:03]}
Rd5 {[%emt 0:00:27]} 50. Rg4+ {[%emt 0:00:46]} Kf8 {[%emt 0:00:12]} 51. Rh4 {
[%emt 0:00:23]} Kg8 {[%emt 0:00:03]} 52. Rg4+ {[%emt 0:00:32]} Kf8 {[%emt 0:01:
26]} 53. Ke3 {[%emt 0:00:01]} Re5+ {[%emt 0:02:42]} 54. Re4 {[%emt 0:00:07]}
Rf5 {[%emt 0:00:12]} 55. Rf4 {[%emt 0:00:30]} Re5+ {[%emt 0:00:08]} 56. Kd4 {
[%emt 0:00:41]} Rd5+ {[%emt 0:00:21]} 57. Ke4 {[%emt 0:00:11]} Kg8 {[%emt 0:01:
03]} 58. Rg4+ {[%emt 0:00:10]} Kf8 {[%emt 0:00:06]} 59. Rg3 {[%emt 0:01:30]}
Rf5 {[%emt 0:00:38]} 60. Rf3 {[%emt 0:00:26]} Rh5 {[%emt 0:00:58]} 61. Rd3 {
[%emt 0:01:26]} Rd5 {[%emt 0:00:04]} 62. Rf3 {[%emt 0:00:31]} Rh5 {[%emt 0:00:
04]} 63. Rd3 {[%emt 0:00:25]} Rd5 {[%emt 0:00:04]} 64. Rg3 {[%emt 0:00:29]} Rf5
{[%emt 0:00:05]} 65. Rd3 {[%emt 0:00:39]} Rd5 {[%emt 0:00:05]} 66. Rf3 {
[%emt 0:00:28]} 1/2-1/2
[Event "RTU Open 2021"]
[Site "Riga"]
[Date "2021.08.11"]
[Round "4.31"]
[White "Stewart, Ashley"]
[Black "Baskin, Robert"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2131"]
[BlackElo "2390"]
[Annotator "NA"]
[PlyCount "148"]
[EventDate "2021.08.09"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]
1. c4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:38]} 2. g3 {[%emt 0:00:05]} e6 {[%emt 0:
00:04]} 3. Bg2 {[%emt 0:00:07]} d5 {[%emt 0:03:37]} 4. Nf3 {[%emt 0:00:07]}
dxc4 {[%emt 0:00:11]} 5. Qa4+ {[%emt 0:00:14]} c6 {[%emt 0:00:10]} 6. Qxc4 {
[%emt 0:01:04]} b5 {[%emt 0:00:07]} 7. Qc2 {[%emt 0:01:18]} Bb7 {[%emt 0:00:06]
} 8. Nc3 {[%emt 0:01:55]} Nbd7 {[%emt 0:00:48]} 9. a4 {[%emt 0:01:37]} a6 {
[%emt 0:02:12]} 10. O-O {[%emt 0:00:50]} Rc8 {[%emt 0:01:02]} 11. d3 {[%emt 0:
05:16]} Qb6 {[%emt 0:02:01]} 12. Bf4 {[%emt 0:16:34]} Be7 {[%emt 0:02:08]} 13.
Ne5 {[%emt 0:04:29]} Nxe5 {[%emt 0:05:49]} 14. Bxe5 {[%emt 0:00:03]} O-O {
[%emt 0:00:26]} 15. Rac1 {[%emt 0:07:31]} Nd7 {[%emt 0:06:30]} 16. Bf4 {
[%emt 0:01:32]} b4 {[%emt 0:00:44]} 17. Ne4 {[%emt 0:05:41]} c5 {[%emt 0:01:03]
} 18. Nd2 {[%emt 0:03:57]} Bxg2 {[%emt 0:09:27]} 19. Kxg2 {[%emt 0:00:04]} Rfd8
{[%emt 0:00:12]} 20. Qb3 {[%emt 0:13:50]} Nf6 {[%emt 0:06:57]} 21. Nc4 {
[%emt 0:03:13]} Qb7+ {[%emt 0:01:02]} 22. Kg1 {[%emt 0:04:54]} Nd5 {[%emt 0:00:
54]} 23. Bd2 {[%emt 0:00:52]} Bf6 {[%emt 0:01:26]} 24. e4 {[%emt 0:04:32]} Nb6
{[%emt 0:00:51]} 25. Be3 {[%emt 0:04:45]} Bd4 {[%emt 0:04:04]} 26. Nxb6 {
[%emt 0:04:46]} Qxb6 {[%emt 0:00:23]} 27. Rc4 {[%emt 0:04:20]} Bxe3 {[%emt 0:
03:06]} 28. fxe3 {[%emt 0:00:02]} Qd6 {[%emt 0:00:14]} 29. Rd1 {[%emt 0:02:43]}
h5 {[%emt 0:00:09]} 30. Qc2 {[%emt 0:00:58]} Qe5 {[%emt 0:05:49]} 31. Qf2 {
[%emt 0:05:54]} Rd7 {[%emt 0:04:13]} 32. Rd2 {[%emt 0:00:05]} Rcd8 {[%emt 0:02:
54]} 33. Qf4 {[%emt 0:00:20]} Qxf4 {[%emt 0:03:00]} 34. exf4 {[%emt 0:00:05]}
Rxd3 {[%emt 0:00:04]} 35. Rxd3 {[%emt 0:00:08]} Rxd3 {[%emt 0:00:04]} 36. Rxc5
{[%emt 0:00:11]} Rb3 {[%emt 0:00:12]} 37. Rc6 {[%emt 0:03:09]} Rxb2 {[%emt 0:
00:05]} 38. a5 {[%emt 0:02:17]} Ra2 {[%emt 0:07:22]} 39. Rb6 {[%emt 0:00:00]}
Rxa5 {[%emt 0:00:11]} 40. Rxb4 {[%emt 0:00:00]} Ra2 {[%emt 0:00:10]} 41. h3 {
[%emt 0:00:55]} g6 {[%emt 0:07:15]} 42. e5 {[%emt 0:00:30]} a5 {[%emt 0:02:11]}
43. Rb7 {[%emt 0:00:08]} a4 {[%emt 0:00:04]} 44. Rb8+ {[%emt 0:00:38]} Kg7 {
[%emt 0:00:06]} 45. Ra8 {[%emt 0:00:07]} a3 {[%emt 0:04:49]} 46. Kh1 {[%emt 0:
01:09]} h4 {[%emt 0:03:02]} 47. g4 {[%emt 0:00:08]} Rf2 {[%emt 0:00:14]} 48.
Rxa3 {[%emt 0:00:24]} Rxf4 {[%emt 0:00:05]} 49. Kg2 {[%emt 0:00:30]} Re4 {
[%emt 0:06:06]} 50. Ra5 {[%emt 0:00:03]} Re3 {[%emt 0:00:03]} 51. Rb5 {[%emt 0:
00:24]} Kh6 {[%emt 0:02:35]} 52. Rb7 {[%emt 0:00:14]} Kg7 {[%emt 0:00:57]} 53.
Rb5 {[%emt 0:00:10]} g5 {[%emt 0:00:04]} 54. Ra5 {[%emt 0:00:33]} Rg3+ {
[%emt 0:01:17]} 55. Kh2 {[%emt 0:00:09]} Rd3 {[%emt 0:00:27]} 56. Ra4 {[%emt 0:
01:06]} Rd5 {[%emt 0:02:12]} 57. Re4 {[%emt 0:00:05]} f6 {[%emt 0:00:03]} 58.
exf6+ {[%emt 0:00:22]} Kxf6 {[%emt 0:00:04]} 59. Re3 {[%emt 0:01:35]} e5 {
[%emt 0:00:45]} 60. Rf3+ {[%emt 0:00:53]} Ke6 {[%emt 0:00:05]} 61. Rf8 {
[%emt 0:00:40]} Kd6 {[%emt 0:02:44]} 62. Re8 {[%emt 0:00:39]} Kd7 {[%emt 0:02:
25]} 63. Rg8 {[%emt 0:00:19]} e4 {[%emt 0:00:15]} 64. Kg2 {[%emt 0:00:21]} Ke7
{[%emt 0:01:48]} 65. Kf2 {[%emt 0:00:47]} Kf7 {[%emt 0:00:08]} 66. Ra8 {
[%emt 0:00:21]} Rd3 {[%emt 0:00:37]} 67. Ra5 {[%emt 0:00:45]} Rf3+ {[%emt 0:00:
19]} 68. Kg2 {[%emt 0:00:25]} Kf6 {[%emt 0:00:21]} 69. Rb5 {[%emt 0:00:36]}
Rg3+ {[%emt 0:00:27]} 70. Kf2 {[%emt 0:00:29]} Rxh3 {[%emt 0:00:15]} 71. Rf5+ {
[%emt 0:00:08]} Kg6 {[%emt 0:00:05]} 72. Re5 {[%emt 0:00:10]} Rf3+ {[%emt 0:00:
14]} 73. Ke2 {[%emt 0:00:20]} Rf4 {[%emt 0:00:11]} 74. Re6+ {[%emt 0:00:24]}
Kf7 {[%emt 0:00:05]} 0-1