[Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.16"] [Round "1.1"] [White "Gabuzyan, Hovhannes"] [Black "Petrosyan, Manuel"] [Result "1/2-1/2"] [ECO "A01"] [WhiteElo "2557"] [BlackElo "2628"] [Annotator "TA"] [PlyCount "163"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,163,15,7,20,27,16,57,36,59,60,56,14,7,37,28,45,12,6,25,0,0,0,0,-68, -77,-77,-77,-60,-76,-53,-61,-61,-68,-110,-119,-112,-125,-124,-125,-175,-130, -133,-120,-102,-118,-97,-81,-81,-66,-66,-76,-60,-22,-47,-41,-116,-116,-108, -102,-293,-293,-331,-325,-358,-350,-489,-489,-489,-496,-495,-774,-774,-569, -777,-679,-723,-543,-714,-543,-775,-569,-739,-693,-782,-774,-746,-419,-419, -419,-419,-419,-334,0,0,0,0,0,-67,0,0,-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]} 1. b3 e5 2. Bb2 Nc6 3. e3 g6 4. Nf3 Bg7 5. d4 d6 6. dxe5 Nxe5 7. Nxe5 {A01: Nimzowitsch-Larsen Opening.} Bxe5 8. Nc3 Be6 9. Qd2 {[#] White is slightly better.} f5 $146 ({Predecessor:} 9... Qd7 10. e4 Ne7 11. O-O-O O-O-O 12. f4 Bg7 13. g3 Kb8 14. Bg2 Bh3 15. Kb1 Bxg2 16. Qxg2 { 1/2-1/2 (33) Li,R (2568)-Chandra,A (2484) Saint Louis 2017}) 10. O-O-O $1 Qd7 11. Nb5 Bxb2+ 12. Kxb2 Qg7+ 13. Kb1 a6 {[#]} 14. Qa5 Rc8 15. Rxd6 axb5 (15... cxd6 16. Nxd6+ Kf8 17. Nxc8 $18) 16. Rxe6+ Kf7 17. Bxb5 (17. Qxb5 $11 Kxe6 18. Bc4+ Ke7 19. Rd1) 17... Kxe6 $15 18. Rd1 Kf7 19. Rd7+ Ne7 20. Bc4+ Ke8 $1 { [%CAl Re8d7]} 21. Rxc7 Rd8 {[%CAl Rd8d1]} 22. Qb5+ Kf8 {[%CAl Rd8d1]} 23. Bd3 Qf6 24. Rxb7 Kg7 25. Qb4 Rhe8 26. Qc5 Rd6 27. a4 {[%CAl Ba2a4,Ba4a5,Ba5a6] [%mdl 32]} Red8 28. a5 Kh6 {Hoping for ...Rc8.} 29. Qc7 R8d7 30. Qxd7 Rxd7 31. Rxd7 Nc6 (31... Qe6 $5 {[%CAl Re6d7]} 32. Rd4 Qc6 $15) 32. a6 Qe5 33. h4 (33. h3 $15) 33... Qa5 $17 {And now ...Ne5 would win.} 34. Kb2 Ne5 35. Rd4 (35. Rd6 $17 {is the only way for White.}) 35... Nxd3+ $19 36. Rxd3 {intending Rd6.} Qxa6 {[%mdl 4096] Endgame KQ-KR} 37. g3 Qa5 38. Rd4 Qe1 39. Rf4 Kh5 40. b4 h6 41. Kb3 Qf1 42. Kc3 Qe2 43. Kb3 Qe1 44. Kc4 Qd2 45. Kb3 Qd5+ 46. Kb2 g5 47. hxg5 hxg5 48. Rd4 Qg2 49. Rd2 {and the idea c4 leaves White hopeful.} Qf1 50. c3 Kg4 51. c4 f4 $2 (51... Kf3 $19 52. Rc2 Qe1) 52. gxf4 $1 $11 Qxc4 {[%mdl 64] [#] ...Kf3 is the strong threat. Double Attack} 53. Rd4 Qe2+ (53... Qc6 { is more complex.} 54. fxg5+ Kf3 55. Rf4+ Kg2 56. Kb3 Qb5) 54. Kc3 ({Better is} 54. Kb3 $11) 54... Qxf2 (54... Qb5 $15 55. fxg5+ Kxg5) 55. fxg5+ Kxg5 $2 { [%mdl 8192] Black continues to play with concentration.} (55... Kg3 $11 56. b5 Qf5) 56. Rd5+ {Mate.} Kf6 57. Rc5 Qxe3+ 58. Kc4 Qe2+ 59. Kb3 Ke6 60. Kc3 Kd6 61. Kb3 Qa6 62. Kb2 Qa4 63. Kc3 Qa3+ 64. Kc4 Qb2 65. Kb5 Qa2 66. Kb6 Qa4 67. Rc4 Kd7 68. Rc7+ Kd8 69. b5 Qd4+ 70. Kb7 Qe5 71. b6 Qd5+ 72. Kb8 Qa5 73. Rc8+ Kd7 74. b7 Qb6 75. Ka8 Qa6+ 76. Kb8 Qa5 77. Rc4 Qa1 78. Rc7+ Kd6 79. Rc8 Qa2 80. Rc7 Qa4 81. Rc8 Qa5 82. Rc2 {[%mdl 32768] Weighted Error Value: White=0.23/ Black=0.16. An unexpected result.} 1/2-1/2 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.16"] [Round "1.2"] [White "Martirosyan, Haik M."] [Black "Harutyunian, Tigran K."] [Result "1/2-1/2"] [ECO "D70"] [WhiteElo "2622"] [BlackElo "2549"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,85,22,33,16,27,25,39,31,48,31,44,34,73,27,49,30,62,43,47,54,49,50,46, 43,43,15,25,12,27,10,11,11,15,19,16,14,13,8,7,10,10,2,14,0,13,0,4,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 Nc6 {[%CAl Rc6d4]} 8. Bb5 {D70: Grünfeld: Unusual White 3rd moves (met by ...d5).} Bd7 9. Nge2 O-O 10. O-O {White is slightly better.} a6 {[#]} 11. Bxc6 $146 ({Predecessor:} 11. Bd3 e5 12. d5 Nd4 13. f4 c5 14. f5 Nc8 15. Qd2 Nd6 16. Ng3 b5 17. Rad1 {0-1 (52) Suvorov,L (2279) -Bashylina,L (1978) Playchess.com INT 2020}) 11... Bxc6 12. b3 Qd6 13. Qc2 Rfd8 14. Rfd1 Be8 15. Rac1 a5 16. a4 c6 17. Nf4 Nd7 18. e5 Qb8 19. Ne4 Nb6 20. h4 Nd5 21. Nxd5 cxd5 {The position is equal.} 22. Nc5 b6 (22... Rc8 $5 {[%CAl Rb7b6]} 23. Qd2 b6 $14) 23. Nd3 Rc8 24. Qd2 Qb7 25. Bh6 Rxc1 26. Rxc1 Rc8 27. Bxg7 Kxg7 28. Re1 Qc6 29. Qe3 Bd7 30. Nf4 Be6 31. Ne2 Qc2 32. Rc1 Qb2 33. Rxc8 Bxc8 34. Nf4 Bb7 35. Kh2 Qc2 36. h5 g5 37. Nh3 h6 38. Nxg5 hxg5 39. Qxg5+ { [%mdl 64] [#] Double Attack} Kf8 40. Qh6+ {[%mdl 64] Double Attack} Ke8 41. Qxb6 {[%mdl 64] Double Attack} Qf2 42. Qxb7 {[%CAl Rb7c8]} Qh4+ {[%mdl 64] [#] Double Attack} 43. Kg1 {[%CAl Rb7c8] Weighted Error Value: White=0.07/Black=0. 04} 1/2-1/2 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.16"] [Round "1.3"] [White "Hovhannisyan, Robert"] [Black "Babujian, Levon"] [Result "1-0"] [ECO "B84"] [WhiteElo "2642"] [BlackElo "2455"] [Annotator "TA"] [PlyCount "80"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,80,45,38,48,37,81,35,93,79,147,86,111,43,83,76,71,45,49,61,41,-3,12, -10,44,38,17,30,169,185,145,92,90,86,87,53,125,108,199,205,209,208,197,196,218, 209,259,261,261,257,331,327,358,370,406,379,597,596,567,560,543,525,587,611, 593,540,548,546,575]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Nbd7 8. g4 {Nowadays more popular than 8.0-0.} h6 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3.} 9. f4 {[#]} Qa5 $146 ({ Predecessor:} 9... g5 10. f5 e5 11. Nb3 b5 12. Qd3 Bb7 13. O-O-O Rc8 14. Kb1 Be7 15. Nd5 Bxd5 16. exd5 {1/2-1/2 (46) Wei,Y (2732)-Topalov,V (2735) Chess. com INT 2020}) 10. O-O b5 (10... Be7 $14) 11. Bf3 $1 $16 e5 {[#]} (11... Qc7 $142) 12. Nf5 (12. a4 $142 $1) 12... b4 {[#]} 13. Ne2 (13. fxe5 $1 $16 dxe5 14. Nd5) 13... d5 14. exd5 e4 15. Bg2 $36 {[%mdl 2048] White is more active.} Nxg4 {Black wants to play ...Ndf6.} 16. Bd4 {Threatens to win with Neg3.} (16. Bxe4 g6 $17) 16... Ndf6 $1 17. Neg3 g6 18. Ne3 Bc5 (18... Nxe3 $11 19. Bxe3 Bc5 20. Bxc5 Qxc5+ {[%mdl 64] Double Attack} 21. Kh1 Bf5) 19. Nc4 $14 Qb5 20. b3 { aiming for h3.} Bxd4+ (20... O-O $11 {and Black is okay.}) 21. Qxd4 $18 { Strongly threatening Nd6+.} Qxd5 22. Qxd5 (22. Qb6 $142 {Black must now prevent Rfd1.} Nd7 23. Qxb4) 22... Nxd5 $16 23. Nxe4 {Ned6+ is the strong threat.} O-O 24. Nc5 Be6 ({Better is} 24... Ngf6 $14) 25. Rae1 Rac8 (25... Rae8 $16) 26. Nxe6 $18 (26. Nxa6 Ngf6 $11) 26... fxe6 27. h3 ({Inferior is} 27. Rxe6 Nxf4 28. Ree1 (28. Rxa6 Ne2+ 29. Kh1 Nf2+ 30. Rxf2 Rxf2 $17) 28... g5 $11) 27... Ngf6 28. Rxe6 Nc3 29. Rxa6 Nh5 30. Rxg6+ Kh7 31. f5 Rc7 32. Rb6 Ng3 33. Rf3 (33. Rxb4 Nxf1 34. Bxf1 Nxa2 $16) 33... Nxf5 34. Nd6 Ne2+ (34... Nd5 { is a better defense.} 35. Ra6 (35. Rxf5 Rxf5 36. Rb5 Rg5 $18) 35... Nde3 36. Nxf5 {[%mdl 64] Discovered Attack} Nxf5) 35. Kh2 {White is clearly winning.} Ned4 {[#]} 36. Rxf5 Nxf5 37. Be4 Re7 {Now ...Rxe4 and Black clings on.} 38. Bxf5+ Kh8 39. Bd3 Rd7 40. Ne4 Ra8 {Weighted Error Value: White=0.13/Black=0.40} 1-0 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.16"] [Round "1.4"] [White "Ter-Sahakyan, Samvel"] [Black "Andriasian, Zaven"] [Result "1-0"] [ECO "B90"] [WhiteElo "2640"] [BlackElo "2606"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,93,10,37,28,36,39,58,50,42,44,45,31,45,44,84,72,72,72,75,57,78,33,39, 41,70,73,61,72,85,53,53,61,89,7,100,104,135,130,137,150,152,125,145,96,108,95, 93,8,6,6,21,8,7,15,8,0,75,74,64,16,104,106,262,250,338,337,382,377,380,372,420, 421,467,458,497,510,518,512,494,479]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 Qb6 {8...h5 is a critical line.} 9. g4 { B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nc6 10. Nb3 e6 11. Qe2 {White is slightly better.} Qc7 12. Be3 b5 13. O-O-O Bb7 14. Kb1 $5 {[%mdl 4] An interesting side line.} Rc8 15. g5 Nd7 16. Qf2 Nce5 {[#]} 17. a3 $1 Be7 18. Rg1 {[#]} O-O $146 ({Predecessor:} 18... Nc4 19. Bxc4 bxc4 20. Nd4 Rb8 21. h4 d5 22. exd5 Bxd5 23. Nxd5 exd5 24. Rge1 O-O 25. Bf4 Rxb2+ 26. Kxb2 Bxa3+ 27. Kxa3 {0-1 (52) Kasimdzhanov,R (2653)-Ye,J (2667) Bled 2002}) 19. Rg3 Ba8 20. f4 Nc4 {Threatens to win with ...Nxb2!} 21. Bc1 Qb6 22. Qxb6 ( 22. Qe1 {is interesting.} Rfe8 23. Rh3 Nf8 24. Bxc4 bxc4 25. Nd4) 22... Ndxb6 23. Nd4 Rfe8 24. f5 (24. b3 $16) 24... e5 (24... d5 $1 $11) 25. Nde2 $16 a5 26. f6 Bf8 27. Nxb5 {Strongly threatening b3.} Bxe4 28. Nec3 Bg6 29. b3 d5 30. bxc4 d4 31. Na2 ({White should play} 31. fxg7 $16 Kxg7 {[#]} 32. Na7 $1) 31... Nxc4 $11 {White must now prevent ...Ne3.} 32. Bd3 Nb6 33. Bxg6 hxg6 34. fxg7 Kxg7 35. Na7 Rc4 (35... Ra8 $11 {remains equal.} 36. Nb5 Rab8) 36. Rb3 $16 Na4 37. Rb7 Nc5 (37... Re7 $11 38. Rxe7 Bxe7) 38. Rb5 {And now Nc6 would win.} Bd6 $2 { A mistake that costs the game.} (38... Na4 $16 {was called for.}) 39. Nc6 $18 ( {Resist} 39. Rxa5 $6 Rb8+ 40. Rb5 Ne6 $18) 39... Ne4 40. Nxa5 Rcc8 41. Nb7 { aiming for Re1.} Bb8 42. Re1 Nf2 43. Re2 Nd1 {White is clearly winning.} 44. Nc5 Ba7 45. Ne4 Rb8 46. Rxb8 Rxb8+ 47. Nb4 {Weighted Error Value: White=0.12/ Black=0.26} 1-0 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.16"] [Round "1.5"] [White "Sargsyan, Shant"] [Black "Petrosian, Tigran L."] [Result "1/2-1/2"] [ECO "E11"] [WhiteElo "2596"] [BlackElo "2601"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,91,56,47,58,33,35,29,57,33,39,37,61,39,37,41,47,40,53,19,27,27,85,64, 74,73,71,68,82,70,94,100,102,97,247,129,126,124,122,121,143,67,59,56,107,104, 136,139,164,68,107,19,160,153,162,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 O-O 6. g3 d6 7. Nc3 Nbd7 8. Bg2 e5 9. O-O Re8 10. e4 c6 11. Rad1 Qe7 12. h3 Nf8 13. Rfe1 Ng6 {[#] E11: Bogo-Indian.} 14. a3 $146 ({Predecessor:} 14. b4 Qc7 15. Bf1 Bd7 16. Qb2 Rad8 17. d5 cxd5 18. cxd5 a6 19. Rc1 Qb6 20. Nd2 Qd4 21. Nc4 {1/2-1/2 (49) Renman,N (2361)-Jones,I (2195) Hersonissos 2017}) 14... h6 15. b4 a5 {White has an edge.} 16. d5 axb4 17. axb4 cxd5 18. exd5 Bd7 19. Qe3 Rec8 20. Nd2 Ne8 21. Ra1 Rab8 22. Ra7 Qg5 ( 22... f5 $11 {remains equal.}) 23. Qxg5 $16 hxg5 24. Nce4 g4 25. hxg4 Bxg4 26. f3 $36 {[%mdl 2048] White has good play.} Bd7 27. c5 f5 {[#]} 28. Bh3 $1 Rc7 ( 28... Rd8 $16 {keeps fighting.}) 29. cxd6 (29. Nxd6 $18 Nxd6 30. cxd6) 29... Rc2 30. Nc5 {[%mdl 64] Double Attack} Nxd6 31. Nxd7 Rd8 32. Ne4 fxe4 $14 33. fxe4 Kh7 (33... Rb2 $14) 34. Nc5 $16 Rf8 {White must now prevent ...Rf3.} 35. Rf1 ({Weaker is} 35. Nxb7 Rf3 $17) 35... Rxf1+ 36. Bxf1 (36. Kxf1 $18 Kh6 37. Ke1) 36... Rc3 $14 37. Kh2 (37. Nxb7 $16 Nxe4 38. d6 Rxg3+ 39. Kh1) 37... b6 ( 37... Nh8 $1 $11) 38. Ne6 $16 Nxe4 39. Nxg7 $2 (39. Bg2 $18 Rc2 40. Rxg7+ Kh6 41. Rb7) 39... Kh6 $1 $11 {The position is equal.} 40. Nf5+ Kg5 {[#]} 41. d6 $1 {And now d7 would win.} Rc2+ $1 (41... Kxf5 $2 42. d7 $18) 42. Bg2 {Strongly threatening d7.} Rd2 {[#]} ({Don't blunder} 42... Kxf5 $2 43. d7 $18) 43. d7 $1 Nf6 ({Don't go for} 43... Kxf5 $2 44. Ra8 $18) 44. Ne3 Nxd7 45. Rb7 e4 46. Nf1 {Weighted Error Value: White=0.28/Black=0.16} 1/2-1/2 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.16"] [Round "1.6"] [White "Gharibyan, Mamikon"] [Black "Pashikian, Arman"] [Result "0-1"] [ECO "D38"] [WhiteElo "2423"] [BlackElo "2606"] [Annotator "TA"] [PlyCount "80"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,80,0,7,3,-37,-27,-35,-27,-30,-20,-25,0,-7,-4,-19,-8,-33,-10,-27,-28, -28,-31,-54,-57,-62,-66,-68,-14,-22,0,-14,-10,-33,-33,-25,-27,-52,-45,-39,-35, -51,-51,-52,-52,-58,-29,-33,-25,-31,-16,-27,-22,-33,-29,-66,-66,-100,-88,-148, -153,-158,-148,-247,-209,-243,-243,-691,-683,-670,-662]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. Qc2 {8.Qc2 has lost popularity.} b6 $5 {[%mdl 4] An interesting side line.} 9. e3 Na5 {Black is slightly better.} 10. cxd5 exd5 11. Bd3 Bb7 12. O-O O-O {[#]} 13. h3 $146 ({Predecessor:} 13. a4 f5 14. Ne5 c5 15. dxc5 bxc5 16. c4 Qd6 17. Bb2 Rae8 18. f3 Nf6 19. Qc3 { 1-0 (40) Zhao,X (2544)-Kosintseva,T (2539) Sochi 2009}) 13... Rc8 14. Ne5 f6 15. Ng4 h5 16. Nh2 c5 17. f3 {[#]} c4 $1 18. Be2 Ng3 19. Re1 Nxe2+ (19... Nb3 $15 20. Rb1 Qe7) 20. Rxe2 $11 Qd7 21. Bb2 Rce8 22. Rae1 f5 23. f4 Bc6 24. Nf3 Ba4 25. Qb1 Nb7 26. Ne5 Qc8 27. Bc1 Rf6 28. g4 hxg4 29. hxg4 fxg4 {aiming for . ..g3.} 30. Rh2 $1 Qf5 31. Qxf5 Rxf5 32. e4 dxe4 33. Rxe4 Nd6 34. Re1 {[#]} Bc6 $1 35. Rh4 ({White should try} 35. Bd2 Bb7 36. Re3) 35... Bd5 $17 36. Rxg4 Rh5 37. Kf2 (37. Kf1 $17 {might work better.}) 37... Ne4+ 38. Rxe4 Bxe4 39. Nxc4 $2 (39. Rg1) 39... Rh2+ $19 40. Kg3 Rc2 {Weighted Error Value: White=0.26/Black=0. 07} 0-1 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.17"] [Round "2.1"] [White "Babujian, Levon"] [Black "Martirosyan, Haik M."] [Result "0-1"] [ECO "B30"] [WhiteElo "2455"] [BlackElo "2622"] [Annotator "TA"] [PlyCount "82"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,82,12,0,0,0,0,0,0,0,0,0,-20,-41,-41,-53,-56,-41,-43,-37,-37,-41,-45, -40,-40,-23,-34,-35,-102,-52,-46,-27,-135,-124,-312,-168,-329,-321,-317,-319, -307,-300,-302,-284,-324,-189,-499,-366,-361,-338,-331,-312,-343,-311,-439, -432,-595,-600,-724,-560,-1068,-971,-1030,-1030,-1068,-725,-1808,-1705,-2164, -1988,-12842,-12843,-12843,-12843,-12843,-12468]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. Nc3 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ... g6.} Ng6 7. h4 h5 $1 8. e5 {The position is equal.} Qc7 9. Qe2 f6 10. exf6 gxf6 11. Ne4 Be7 12. Be3 {[#]} d5 $146 ({Predecessor:} 12... Nf4 13. Bxf4 Qxf4 14. g3 Qg4 15. c4 d5 16. Nc3 Ba6 17. O-O-O O-O-O 18. Rhe1 e5 {0-1 (43) Rozentalis, E (2619)-Bruzon Batista,L (2689) Ottawa 2013}) 13. Nxc5 e5 14. d4 $1 Bg4 { And now ...Bxc5 would win.} 15. Qa6 Rb8 {...Bxc5 is the strong threat.} 16. dxe5 fxe5 17. Nb3 O-O {[%mdl 1024] Black has compensation.} 18. O-O-O ({ Better is} 18. Nh2 $15) 18... Nf4 19. Rhg1 e4 {White must now prevent ...Bc8.} 20. Rde1 c5 $1 $36 {[%mdl 2048] Hoping for ...c4. White is under strong pressure.} ({Weaker is} 20... exf3 21. gxf3 Nh3 22. fxg4 $16) 21. Ng5 $2 { White does not recover from this.} (21. Qa5 $17 {might work better.} Qb7 22. Qd2) 21... Rf6 (21... c4 $142 22. Kb1 cxb3 23. Bxf4 bxc2+ 24. Ka1 Rb6 $1 { [%mdl 512]} 25. Bxc7 Rxa6) 22. Qa4 (22. Qa5 Ne2+ 23. Rxe2 Qxa5 24. Nxa5 Bxe2 25. Nb3) 22... Ne2+ 23. Rxe2 Bxe2 24. Qa5 Qxa5 25. Nxa5 Ra6 26. Nb3 {[#]} Bc4 ( {Don't play} 26... Rxa2 27. Kb1 $19) (26... Rxb3 $142 $1 {[%mdl 512]} 27. cxb3 Rxa2) 27. Bxc5 $2 (27. g4 {is a better chance.}) 27... Bxc5 28. Nxc5 Rxa2 29. Kd2 Rbxb2 30. Rc1 Bb3 31. Ke3 (31. Nxb3 $142 Rxb3 32. Ne6) 31... Bxc2 $19 { Black is clearly winning.} 32. g4 hxg4 33. Rg1 g3 34. Rxg3 Ra3+ 35. Kf4 Rxg3 36. fxg3 {[%mdl 4096] Endgame KRB-KNN} a5 {[%CAl Ba7a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 37. h5 a4 38. h6 e3 39. Kxe3 a3 40. Nd7 a2 41. Nf6+ Kf8 {Weighted Error Value: White=0.80/Black=0.16} 0-1 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.17"] [Round "2.2"] [White "Gabuzyan, Hovhannes"] [Black "Sargsyan, Shant"] [Result "1-0"] [ECO "C44"] [WhiteElo "2557"] [BlackElo "2596"] [Annotator "TA"] [PlyCount "135"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,135,-4,0,4,8,13,20,12,0,8,8,8,4,16,16,15,10,22,0,7,0,8,6,33,8,37,40, 71,68,91,93,98,89,99,93,107,103,107,89,89,89,89,89,90,81,212,212,212,212,212, 212,212,212,212,212,237,237,286,270,437,360,484,484,484,484,484,484,810,838, 810,805,795,784,754,737,712,681,12822,12741,6368,2158,12825,2593,12836,779,687, 0,12817,2100,2157,364,12832,12832,12826,2426,2077,1769,12834,12835,12835,12835, 12837,12837,12834,105,12835,12835,12841,12835,12836,12837,12841,12840,12841, 12837,12837,12838,12838,12838,12837,12837]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 Bb4 7. Bd3 d5 8. Bd2 O-O 9. O-O Bxc3 {C47: Scotch Four Knights and Four Knights with 4 g3.} 10. Bxc3 Nxe4 11. Bxe4 dxe4 {The position is equal.} 12. Re1 {12.Qh5 is becoming the main line.} Qd5 13. Qc1 { [#]} Bf5 $146 ({Predecessor:} 13... f5 14. Rd1 Qf7 15. Qe3 Be6 16. b3 Rfe8 17. Qc5 f4 18. Qxc6 e3 19. Qf3 c6 20. fxe3 fxe3 21. Qxf7+ Kxf7 {1-0 (29) Lo,A (1733)-Starace,U (1854) IECG email 2003}) 14. Qf4 Rad8 15. Qxc7 Rd7 16. Qf4 h6 17. a4 $40 {[%mdl 128] White mounts an attack.} Re8 18. h3 Bg6 19. a5 Qg5 ( 19... Kh7 {is interesting.} 20. Re2 Red8 21. Rd2 Qh5 22. Re1 Rxd2 23. Bxd2 Qb5) 20. Qe3 (20. Qxg5 {keeps more tension.} hxg5 21. Red1 Red8 22. Rxd7 Rxd7 23. Ra4) 20... Qxe3 (20... c5 {is more complex.} 21. Red1 Red8 22. Rxd7 Rxd7 23. Qxg5 hxg5 24. a6 f6) 21. fxe3 a6 22. Red1 Red8 23. Rxd7 Rxd7 $16 {[%mdl 4096] Endgame KRB-KRB} 24. Ra4 $1 c5 25. Rc4 Rd5 26. b4 cxb4 27. Bxb4 Rd8 28. Rc6 Ra8 29. Bd6 Bf5 30. c4 Rc8 (30... Bd7 $16 {might work better.} 31. Rc7 Be6) 31. Rxa6 $18 Rxc4 32. Rb6 Ra4 33. a6 {[%CAl Ba5a6,Ba6a7][%mdl 32]} Kh7 34. Rc6 Be6 {[#]} 35. Bc5 $1 Bd5 36. Rd6 Ba8 37. a7 Ra2 $2 (37... h5 {was called for.} 38. Kh2 Ra5) 38. g4 Ra1+ 39. Kf2 Ra5 40. Bd4 f6 41. h4 h5 (41... Rd5 $142) 42. Rd8 Bc6 43. Rc8 Bd5 44. gxh5 Ra4 45. Rc5 Ba8 46. Rc7 Ra6 47. Kg2 Bd5 48. Kg3 Ba8 49. Rd7 Ra3 50. Kf4 (50. Bxf6 $142 Rxe3+ 51. Kg4) 50... Ra2 51. Kg3 (51. Kf5 $142) 51... Ra3 $1 52. Kg2 (52. Bxf6 $142 Rxe3+ 53. Kg4) 52... Ra2+ 53. Kh1 $2 (53. Kg1 Rd2 54. Kf1) 53... Bc6 $2 (53... Rf2 54. Rd8 Bb7) 54. Rc7 Ba8 55. Kg1 (55. Bxf6 $142 Kh6 56. Rxg7) 55... Ra6 56. Rd7 Ra2 57. Bxf6 Kh6 58. Rxg7 Kxh5 59. Rg5+ Kh6 60. Bg7+ Kh7 61. Bd4 {White is clearly winning.} Kh6 62. Rg2 Ra6 63. Rg8 Bd5 64. Rd8 Bb7 65. Rb8 Bd5 66. Rb6+ Rxb6 67. Bxb6 Kh5 {[#]} 68. Bd8 $1 {Weighted Error Value: White=0.42/Black=0.21} 1-0 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.17"] [Round "2.3"] [White "Harutyunian, Tigran K."] [Black "Gharibyan, Mamikon"] [Result "1-0"] [ECO "A06"] [WhiteElo "2549"] [BlackElo "2423"] [Annotator "TA"] [PlyCount "58"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,58,19,26,11,26,7,21,25,24,19,17,9,38,38,38,36,39,25,31,30,17,13,59,58, 79,65,100,54,203,143,171,66,408,405,454,457,450,452,631,620,632,621,781,789, 774,759,698,586,589,584,571]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nd7 5. O-O Ngf6 6. a4 {D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} a5 7. c4 {[#]} c6 $146 ({Predecessor:} 7... dxc4 8. Na3 Nb6 9. Ne5 c6 10. Naxc4 Nxc4 11. Nxc4 Nd5 12. e3 O-O 13. Bd2 Be6 {1-0 (27) Gelfand,B (2676) -Petrosyan,M (2607) Lichess.org INT 2020}) 8. cxd5 {The position is equal.} Nxd5 9. e4 Nb4 10. Bg5 h6 11. Be3 e5 12. dxe5 Nxe5 {Strongly threatening ... Qxd1.} 13. Qxd8+ Kxd8 14. Nxe5 Bxe5 15. Nc3 Kc7 16. Rac1 Nd3 17. Rc2 Be6 18. f4 Bg7 ({Black should play} 18... Bxc3 $14 19. bxc3 b6) 19. f5 Bb3 {[#]} 20. f6 $1 {[%mdl 512]} Bxc2 $4 {[%mdl 8192]} (20... Bxf6 $1 $14 21. Nb5+ Kb8) 21. fxg7 $18 {[%mdl 64] Discovered Attack} Rhg8 22. Rxf7+ {White is clearly winning.} Kd6 23. Bh3 {White wants to mate with Rd7+.} Rad8 24. Bb6 Bb3 25. Rxb7 Nc5 26. e5+ {[%mdl 64] Deflection} Kxe5 27. Bxc5 {Intending Re7+ and mate.} Bc2 28. Bf8 Rgxf8 29. gxf8=Q Rxf8 {Weighted Error Value: White=0.16/Black=0.68} 1-0 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.17"] [Round "2.4"] [White "Petrosian, Tigran L."] [Black "Hovhannisyan, Robert"] [Result "0-1"] [ECO "C65"] [WhiteElo "2601"] [BlackElo "2642"] [Annotator "TA"] [PlyCount "86"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,86,18,21,22,27,0,20,0,14,0,10,8,10,9,13,21,21,-12,-12,-75,-72,-92, -102,-107,-107,-103,-93,-114,-99,-97,-36,-56,33,34,36,36,54,52,84,42,48,36,63, 35,29,39,40,0,0,0,34,28,48,14,55,49,250,235,218,29,62,0,0,-1266,-1250,-1205, -1183,-1113,-223,-353,-282,-799,-783,-786,-783,-780,-596,-601,-579]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Qe7 7. Be3 Bg4 8. Nbd2 { The position is equal.} Nd7 9. h3 Bh5 {[#]} 10. Qe1 $146 ({Predecessor:} 10. c3 Bxe3 11. fxe3 O-O 12. d4 exd4 13. exd4 c5 14. Qb3 b6 15. Rae1 Bxf3 16. Nxf3 cxd4 17. cxd4 {1/2-1/2 (31) Movsesian,S (2649)-Nguyen,T (2569) Prague 2020}) 10... O-O-O 11. a3 Kb8 12. b4 Bxe3 13. fxe3 g5 14. Qg3 (14. a4 $11 {remains equal.}) 14... f6 $17 15. Rf2 Rdg8 16. Raf1 g4 17. Nh4 gxh3 18. Qxh3 Bg4 19. Nf5 {Threatens to win with Qxg4.} Bxf5 (19... Qe8 $17 20. Qh2 h5) 20. Rxf5 $15 h5 (20... Rg7 $15) 21. Rxh5 $14 Rxh5 22. Qxh5 Qg7 {[%csl Gg8][%CAl Rg7g2]} 23. Qf3 Rh8 24. Kf2 a6 25. Nb3 Rh6 26. Qg3 Rg6 27. Qh3 Rh6 28. Qg3 Rg6 29. Qh3 Rh6 $1 {[%CAl Rh6h3]} 30. Qf5 Qe7 31. Qg4 Ka7 32. Qg8 f5 $2 (32... Nf8 $14) 33. exf5 $18 Nf6 34. Qc4 (34. Qg3 $1 $18) 34... Qg7 $11 35. Na5 ({White should try } 35. Nd2 $14) 35... Ka8 36. Ke2 $2 {[%mdl 8192]} (36. Qc5 $11) 36... Qxg2+ $19 37. Rf2 Qg1 38. Qe6 Qg4+ $2 (38... Kb8 {( -> ...Rh1)} 39. Nxc6+ bxc6 40. Qxc6 Rh1 $1 41. Qxh1 Qxh1) 39. Ke1 {[#]} (39. Kd2 {was called for.} Ne4+ {[%mdl 64] Discovered Attack} 40. dxe4 Rxe6 41. fxe6 Qxe6 42. Nb3) 39... Kb8 $1 40. Qxe5 $2 (40. Re2 Ne4 41. dxe4 (41. Qe8+ $2 Ka7 $19) 41... Rxe6 42. fxe6) 40... Rh1+ {Black is clearly winning.} 41. Rf1 Qh4+ 42. Ke2 Rh2+ 43. Kd1 {aiming for Kc1.} Qg4+ {Weighted Error Value: White=0.61/Black=0.36} 0-1 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.17"] [Round "2.5"] [White "Pashikian, Arman"] [Black "Ter-Sahakyan, Samvel"] [Result "1-0"] [ECO "E10"] [WhiteElo "2606"] [BlackElo "2640"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,63,27,7,28,5,0,0,0,0,0,0,0,0,41,34,44,51,56,51,64,55,49,52,60,68,69, 54,56,54,77,73,95,93,107,107,104,107,120,112,127,114,117,118,121,120,212,203, 233,231,239,241,234,238]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 a5 6. Qc2 O-O {now supersedes 6...Nc6.} 7. Bg2 c5 {[#] E11: Bogo-Indian.} 8. a3 $146 ({Predecessor:} 8. cxd5 cxd4 9. Nxd4 Qb6 10. e3 exd5 11. O-O Nc6 12. Nxc6 bxc6 13. Rc1 Be6 14. Qxc6 Bxd2 15. Qxb6 Bxc1 {1-0 (43) Karjakin,S (2752)-Matlakov,M (2698) Moscow 2020}) 8... Bxd2+ 9. Nbxd2 cxd4 {The position is equal.} 10. Nxd4 e5 11. Nb5 Bd7 12. a4 Bc6 13. cxd5 Nxd5 14. O-O Nb4 15. Qc3 Bxg2 16. Kxg2 N8c6 17. Rad1 Qe7 18. Ne4 Rad8 19. Qc5 Qe6 20. Nbd6 Rd7 21. Qc4 $1 Qxc4 22. Nxc4 Rfd8 23. Rxd7 Rxd7 24. Nc5 Rc7 {White must now prevent ...Nd4.} 25. Rd1 f6 { ...Nd4 is the strong threat.} 26. Rd7 Rxd7 27. Nxd7 $16 {KNN-KNN} Na6 28. Nd6 Nc7 (28... Nd4 $16) 29. Nxb7 $18 {White is clearly better.} Kf7 30. Ndc5 Nd5 { [#]} 31. Nd6+ $1 Ke7 {[#]} 32. Nc4 $1 {Weighted Error Value: White=0.02/ Black=0.12} 1-0 [Event "81st ARM-ch 2021"] [Site "Yerevan"] [Date "2021.02.17"] [Round "2.6"] [White "Petrosyan, Manuel"] [Black "Andriasian, Zaven"] [Result "1/2-1/2"] [ECO "D17"] [WhiteElo "2628"] [BlackElo "2606"] [Annotator "TA"] [PlyCount "53"] [EventDate "2021.02.16"] [EventType "tourn"] [EventCountry "ARM"] [Tiebreak "Number of wins+Direct encounter+Koya+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,53,21,29,30,22,25,17,30,19,88,21,29,31,80,0,0,0,11,16,13,14,45,18,18, 12,8,8,8,0,4,3,8,0,0,0]} 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 {[#]} 11. Bg2 $1 g5 { D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} (11... Rd8 12. O-O) 12. Ne3 (12. Nxe5 gxf4 13. Nxd7 O-O-O 14. Qd4 Qxd7 15. Qxf4 Bd6 16. Qc1 Kb8 17. O-O h5 18. h4 a5 19. Qg5 Rdg8 20. Qf6 Qe6 21. Qxe6 Bxe6 22. Ne4 Be7 23. Rfc1 { 1/2-1/2 (32) Petrosyan,M (2550)-Andriasian,Z (2621) Yerevan 2017}) 12... gxf4 13. Nxf5 O-O-O 14. Qc2 a5 (14... fxg3 $11 {keeps the balance.} 15. hxg3 Nf6) 15. O-O-O (15. gxf4 $16 Rg8 16. O-O (16. fxe5 Rxg2 17. Ng3 Qxe5 $18)) 15... fxg3 16. hxg3 Bb4 {[#]} 17. Rh4 $146 (17. Na2 $16) ({Predecessor:} 17. Ne4 Kb8 18. f4 Ng4 19. Bf3 Ngf6 20. Nxf6 Nxf6 21. e4 Nd7 22. e5 Nc5 23. Bh5 {1-0 (42) Kuljasevic,D (2555)-Flumbort,A (2435) Hungary 2017}) 17... Nc5 $11 18. Ne3 Rxd1+ 19. Ncxd1 {[#] aiming for Rxb4!} Qd6 20. Nf5 Qf8 (20... Qf6 {is interesting.} 21. Bh3 Ned7 22. Nfe3 Kb8 23. Bxd7 Nxd7 24. Rf4 Qe7) 21. Nde3 ( 21. Kb1 {keeps more tension.} Kb8 22. Nc3 Na6 23. e3 Qd8 24. Rd4) 21... Kb8 { The position is equal.} 22. Nc4 Nxc4 23. Rxc4 Ne6 24. Kb1 Qd8 25. e3 Qb6 26. Nd4 Nxd4 27. Rxd4 {Weighted Error Value: White=0.19/Black=0.14} 1/2-1/2