[Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "1.1"] [White "Alekseenko, Kirill"] [Black "Kamsky, Gata"] [Result "1-0"] [WhiteElo "2699"] [BlackElo "2658"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rqbkrnnb/pppppppp/8/8/8/8/PPPPPPPP/RQBKRNNB w EAea - 0 1"] [PlyCount "59"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. f4 {The position is equal.} g6 2. g3 d6 3. d3 e5 4. fxe5 dxe5 5. Bg5+ Ne7 6. Qc1 c6 7. a4 Qc7 8. e4 Ne6 9. Be3 O-O 10. Nf3 Nd4 11. N1d2 Bh3 12. Nxd4 exd4 13. Bf4 Qd7 14. b3 f5 15. Qa3 Bg4+ 16. Kc1 fxe4 $1 17. Bxe4 Rfe8 18. Kb2 Nd5 19. Nc4 Nxf4 20. gxf4 Bg7 {Threatening ...Bf8.} 21. a5 Be6 22. Ne5 Bxe5 (22... Qc7 {is interesting.} 23. a6 b6 24. h4 Rad8 25. Qb4 c5) 23. fxe5 Bd5 (23... a6 $11 {remains equal.}) 24. Qb4 $16 Rxe5 (24... Rad8 $16 {keeps fighting.}) 25. Bxd5+ $18 Qxd5 $2 {[#]} (25... Rxd5 {was worth a try.} 26. Re7 Rb5) 26. Qxb7 { White is clearly winning.} Rae8 27. Rxe5 Rxe5 (27... Qxe5 $142 28. Qxa7 c5) 28. Qxa7 Re2 29. a6 Qe5 30. Qb6 {Weighted Error Value: White=0.07/Black=0.40} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "1.2"] [White "Studer, Noel"] [Black "Pichot, Alan"] [Result "0-1"] [WhiteElo "2581"] [BlackElo "2630"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rqbkrnnb/pppppppp/8/8/8/8/PPPPPPPP/RQBKRNNB w EAea - 0 1"] [PlyCount "86"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} e5 2. Nf3 g6 3. b3 Ne6 4. Bb2 d6 5. Ne3 Ne7 6. c3 O-O 7. d4 b6 8. Qc2 Bb7 9. O-O-O (9. d5 $14) 9... a5 $11 10. dxe5 dxe5 11. Ba3 ({White should play} 11. Ng4 $15 Nc6 12. Nh6+ Kg7 13. Ng4) 11... c5 $17 12. Nd5 Nc8 13. g3 b5 {[%CAl Bb6b5,Bb5b4][%mdl 32]} 14. Bb2 c4 (14... a4 $17) 15. Ba3 (15. bxc4 $11 bxc4 16. Ba3) 15... b4 $1 {[%CAl Rb4a3]} 16. Bb2 (16. cxb4 $15 axb4 17. Bxb4 Bxd5 18. exd5 (18. Bxf8 $2 cxb3 19. axb3 Bxb3 $19) 18... Qxb4 19. dxe6 fxe6 20. Nd2 (20. Nxe5 cxb3 21. Qxb3 Qxb3 $15) 20... cxb3 21. Qxb3 Qxb3 22. axb3 Ra1+ 23. Kc2 Rxd1 24. Kxd1) 16... cxb3 17. Qxb3 (17. axb3 $142 bxc3 18. Bxc3 (18. Qxc3 $2 Bxd5 19. exd5 Nd6 $17)) 17... Nc5 (17... Bxd5 $142 18. Rxd5 Ne7) 18. Qc4 (18. Qc2) 18... Na4 19. cxb4 (19. Qc7 {was necessary.} Bxd5 20. Qxb8 Rxb8 21. exd5) 19... axb4 20. Ba1 $2 ({Much worse is} 20. Nxb4 Nd6 $19) (20. Qc7 Qxc7+ 21. Nxc7) 20... Nab6 21. Nxb6 (21. Qxb4 $142 Nxd5 22. Rxd5 Bxd5 23. Qxb8 Rxb8 24. exd5) 21... Nxb6 $19 22. Qxb4 Rxa2 {Strongly threatening ...Na4.} 23. Kb1 Ra4 24. Qb3 Bxe4+ 25. Rxe4 Rxe4 26. Ng5 Rg4 (26... Re2 $142 27. Be4 Nc4 28. Qxb8 Rxb8+ 29. Kc1 Bf6) 27. Ne4 Nc4 $2 (27... Qa7 $19 {has better winning chances.} 28. h3 Rb8 $1) 28. Qxb8 $17 Rxb8+ 29. Kc1 Rc8 30. Kb1 f5 31. f3 {[#]} fxe4 ({Better is} 31... Ne3 $1 $17 32. Rc1 Rb8+ 33. Ka2 Rxe4 $1 34. fxe4 f4 35. gxf4 exf4) 32. fxg4 $15 e3 {...Nd2+ is the strong threat.} 33. Bd5+ Kf8 $1 34. Bc3 {[#]} (34. Bxc4 $15 Rxc4 35. Re1 (35. Rd8+ Kf7 $17)) 34... Bf6 $2 (34... e2 $1 $19 {[%CAl Re2d1]} 35. Re1 Ne3 36. Bb4+ Kg7) 35. Rf1 (35. Be6 $17 Rc7 36. Ka2) 35... Kg7 $19 36. h4 $2 (36. g5 {was called for.} Bxg5 37. Bxc4 Rxc4 38. Bxe5+ Kh6 39. h4) 36... h6 $2 (36... Na3+ $19 37. Kb2 {[#]} e2 $1) 37. g5 $17 hxg5 38. hxg5 Bxg5 {aiming for ...Nd2+.} 39. Rf7+ $2 {[%mdl 8192]} (39. Bxc4 $17 Rxc4 40. Bxe5+ Kg8 41. Re1) 39... Kh6 $19 { White must now prevent ...Nd2+.} 40. Rf1 Nd2+ 41. Bxd2 exd2 {Black mates.} 42. Rh1+ Kg7 43. Kb2 Rc1 {Weighted Error Value: White=1.06/Black=0.81} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "1.3"] [White "Lagarde, Maxime"] [Black "Gelfand, Boris"] [Result "1-0"] [WhiteElo "2648"] [BlackElo "2675"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rqbkrnnb/pppppppp/8/8/8/8/PPPPPPPP/RQBKRNNB w EAea - 0 1"] [PlyCount "71"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. f4 {White has an edge.} d5 2. Nf3 Ng6 3. g3 Nf6 4. Ne3 c6 $1 5. d4 e6 (5... Ne4 $11 {remains equal.}) 6. O-O (6. Ne5 $16) 6... O-O 7. c4 Ne7 8. b3 Nf5 9. Qd3 g6 10. Bb2 b6 11. Ne5 Bb7 12. cxd5 cxd5 13. g4 Nxe3 (13... Ba6 $5 {[%CAl Ra6d3]} 14. Qd2 Nd6 $11) 14. Qxe3 {next g5 is good for White.} Qd8 15. f5 exf5 16. gxf5 Rc8 17. Rf2 Rc2 18. Ba3 {aiming for fxg6.} Re8 $1 19. Qd3 Qc7 20. Raf1 {[%CAl Rf5g6]} Rxa2 21. Bc1 (21. fxg6 $11 {and White is okay.} hxg6 22. Bb4 ( 22. Rxf6 $2 Bxf6 23. Rxf6 Rxe5 $19)) 21... Ra1 $2 (21... Ba6 $19 22. Qg3 Rxe2 23. Rxe2 Bxe2) 22. fxg6 fxg6 23. Bf4 Rxf1+ 24. Rxf1 {Strongly threatening Ng4!} Qc8 25. Bg2 Qf5 26. Qb5 (26. Qc3 $11 Qe6 27. Qc7) 26... Rc8 $2 (26... Qe6 $15 { keeps the upper hand.}) 27. Bh6 $36 {[%mdl 2048] White is on the roll.} Qe6 28. Qd3 {Black must now prevent Bh3!} Ng4 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (28... Re8 $16) 29. Bh3 $1 $18 Bxe5 30. dxe5 {Qf3! is the strong threat.} d4 {[#]} 31. Qg3 $1 Qd5 (31... g5 32. Bxg4) 32. Bxg4 d3 33. Bf3 (33. Bxc8 $142 Qh1+ 34. Kf2 Qd5 35. Bxb7 Qc5+ 36. e3 Kf7 37. Qh3 Ke8 38. Qe6+ Qe7 39. Qg8+ Qf8+ 40. Qxf8+ Kd7 41. Qf7+ Kd8 42. Bg5#) 33... Qc5+ 34. e3 { White mates.} Ba6 35. Qf4 d2 {[#]} 36. Bd5+ $1 {[%mdl 576] Back Rank. Weighted Error Value: White=0.24/Black=0.69} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "1.4"] [White "Keymer, Vincent"] [Black "Nihal Sarin"] [Result "0-1"] [WhiteElo "2591"] [BlackElo "2620"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rqbkrnnb/pppppppp/8/8/8/8/PPPPPPPP/RQBKRNNB w EAea - 0 1"] [PlyCount "130"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} g6 2. g3 d6 3. Ne3 Nf6 4. d4 Ng4 5. Nxg4 $1 Bxg4+ 6. f3 Bd7 7. Ne2 c5 8. d5 Bb5 9. Nf4 Nd7 10. Bd2 Qc7 11. Qc1 Ne5 12. Bc3 O-O-O 13. a4 Ba6 14. b3 g5 15. Nh5 g4 16. Qe3 gxf3 17. Bxf3 Kb8 18. Nf4 $2 {[#] } (18. Be2 $11 {remains equal.} Nd3 $4 (18... Bxe2+ 19. Qxe2) 19. Bxh8 Nxe1 20. Bc3 $18) 18... Nd3 $1 $17 19. Bxh8 Nxe1 20. Bc3 Nxf3 21. Qxf3 Qd7 22. O-O-O c4 23. b4 Qxa4 24. Kb2 Qd7 25. Ra1 Bb5 26. e5 dxe5 27. Bxe5+ Ka8 $1 28. Qe3 { [%csl Ge3][%CAl Ra1a7]} b6 ({Black should try} 28... c3+ $15 29. Bxc3 Ba4) 29. Qxb6 $1 $11 Qb7 30. Qe3 c3+ 31. Bxc3 Bc4 32. Qc5 ({Better is} 32. Bd4 $11 Qxb4+ 33. Kc1) 32... Rc8 $15 33. Qa5 Red8 {Strongly threatening ...Rd6.} 34. Bd4 { [%CAl Ra5a7]} a6 35. Bb6 Rd6 36. Bc5 Rd7 37. Kc3 Bb5 {White must now prevent .. .e5.} 38. Kb3 {Black should prevent c4.} e5 39. c4 {[#]} exf4 (39... Kb8 $1 $17 40. cxb5 exf4) 40. cxb5 $2 {[%mdl 8192] Black keeps a firm grip on the game.} ( 40. Qxb5 $11 Qxb5 41. cxb5) 40... Qxd5+ 41. Ka4 Rxc5 42. bxc5 {[%mdl 4096] Endgame KQR-KQR} Qc4+ 43. Qb4 axb5+ 44. Ka5 Ra7+ 45. Kb6 Qxb4 (45... Rxa1 $142 $19) 46. Rxa7+ $19 {KQ-KR} Kb8 47. Rxf7 Kc8 48. Rf8+ Kd7 49. c6+ Ke7 50. Rxf4 { [#]} Qd6 $1 51. Kxb5 Ke6 52. Kb6 Qb8+ 53. Kc5 Qa7+ 54. Kb5 Qb8+ 55. Kc5 Qe5+ { Black is clearly winning.} 56. Kb6 Kd6 57. Rc4 Qb2+ 58. Ka5 Kc7 59. Rh4 Kxc6 { [%csl Gc6][%CAl Rb2b5]} 60. Ka4 Kc5 {[%CAl Rb2a2]} 61. Rh5+ Kc4 {[%csl Gc4] [%CAl Rb2b4]} 62. Rh4+ Kc3 63. Ka5 Qb7 64. Rf4 Kd3 65. Rh4 Ke3 {Weighted Error Value: White=0.57/Black=0.30} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "2.1"] [White "Kamsky, Gata"] [Black "Nihal Sarin"] [Result "1-0"] [WhiteElo "2658"] [BlackElo "2620"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rkbnnrqb/pppppppp/8/8/8/8/PPPPPPPP/RKBNNRQB w FAfa - 0 1"] [PlyCount "65"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} e5 2. g3 g6 3. f4 d6 4. f5 Nc6 5. Ne3 Bd7 6. a4 Nd4 7. Qf2 a5 8. Ra3 Bg7 9. c3 Nc6 $1 10. N1c2 Ne7 11. g4 gxf5 12. exf5 f6 13. d4 Ra6 (13... h5 $11) 14. c4 Bh6 15. Nd5 Bxc1 16. Nxe7 Qg7 {[#]} 17. Rb3 $1 c6 18. Nd5 cxd5 19. Bxd5 Ra7 20. Rxc1 $18 Bxa4 {[#]} 21. Rg3 (21. Ra3 $1 $18) 21... Bxc2+ (21... Nc7 $16) 22. Rxc2 Nc7 {[#]} 23. Bg2 $1 Na6 24. c5 (24. Rd2 $142) 24... Nb4 $16 25. Rd2 Qf7 26. Ra3 Rc8 ({Better is} 26... d5 $1 $14) 27. cxd6 $18 {Threatens to win with dxe5.} Qc4 (27... e4 {keeps fighting.}) 28. Rd1 e4 $2 (28... Qc2+ 29. Qxc2 Nxc2) 29. Bxe4 $2 (29. d7) 29... Ra6 $2 (29... b6 30. g5 fxg5) 30. d7 Rd8 31. Rc1 Qb5 32. Rc8+ {[%mdl 64] Promotion} Rxc8 33. Qf4+ {Weighted Error Value: White=0.28/Black=0.45} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "2.2"] [White "Gelfand, Boris"] [Black "Keymer, Vincent"] [Result "1-0"] [WhiteElo "2675"] [BlackElo "2591"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rkbnnrqb/pppppppp/8/8/8/8/PPPPPPPP/RKBNNRQB w FAfa - 0 1"] [PlyCount "63"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 {The position is equal.} g5 2. e3 d5 3. Nd3 Bf5 4. Nc3 e6 (4... Bxd3 $15 {stays ahead.}) 5. Nc5 $1 $16 Nf6 6. f3 (6. g4 $1 $16) 6... b6 $11 {[#]} 7. e4 $1 Bg6 (7... bxc5 $11) 8. Na6+ (8. Nd3 $14) 8... Kb7 $1 9. Nb4 $1 a5 10. Nd3 $1 Nc6 (10... dxe4 $11) 11. g3 g4 12. Be3 (12. Ne5 $1 $16) 12... gxf3 13. exd5 $1 Nb4 14. O-O-O (14. Bxf3 $14) 14... Bxd3 15. cxd3 Nfxd5 16. Bxf3 {Hoping for a3. } Qg6 17. Kb1 {aiming for a3.} c6 18. Be4 f5 19. Bxd5 Nxd5 20. Nxd5 cxd5 21. Bf4 Rfc8 22. Rc1 Qe8 23. Qe3 a4 24. a3 Qb5 25. Qxe6 {Black must now prevent Be5.} Qxd3+ 26. Ka1 Qxd4 {[%csl Gh8][%CAl Rd4b2]} 27. Qe2 Rc5 $2 {[#] Black cannot hold the game after this.} (27... Rc4 $11 {and Black stays safe.}) 28. Rxc5 $1 $40 {[%mdl 128] White attacks with force.} Qxc5 {[#]} 29. Rc1 $1 { [%CAl Rc1c5]} Re8 $2 (29... Qxa3+ 30. Kb1 Qxb2+ 31. Qxb2 Bxb2 32. Rc7+ (32. Kxb2 b5 $16) 32... Ka6) 30. Qd3 Qd4 {[%csl Gh8][%CAl Rd4b2]} 31. Rc7+ Kb8 32. Re7+ {Weighted Error Value: White=0. 18/Black=0.66} (32. Rf7+ $142 Qxf4 33. gxf4 Re1+ 34. Ka2 Re7 35. Rxe7 Bf6 36. Rxh7 Bd8 37. Qxd5 Bc7 38. Rh8+ Bd8 39. Rxd8+ Kc7 40. Qd7#) 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "2.3"] [White "Pichot, Alan"] [Black "Lagarde, Maxime"] [Result "1-0"] [WhiteElo "2630"] [BlackElo "2648"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rkbnnrqb/pppppppp/8/8/8/8/PPPPPPPP/RKBNNRQB w FAfa - 0 1"] [PlyCount "77"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} g6 2. f4 d6 3. g4 f5 4. exf5 gxf5 5. g5 e5 6. h4 (6. d3 $11) 6... e4 $1 $15 7. d3 d5 $1 8. Bd2 Nc6 9. Qc5 (9. c3 $17) 9... Be6 10. c3 O-O-O 11. d4 Nd6 12. Ne3 Nc4 13. Bc1 Rf7 14. b3 Nb6 15. N1c2 Bg7 16. Qb5 Kb8 17. Bg2 a6 18. Qe2 $1 Na7 19. Bb2 Rc8 20. b4 $2 {[#]} (20. a4 $11 {and White has nothing to worry.}) 20... Na4 $1 $19 21. Na3 Nb5 $2 (21... a5 $19) 22. Nxb5 $11 axb5 23. Qxb5 Nb6 {[#]} (23... Nxb2 $11) 24. a4 $1 $16 Bd7 25. Qa5 ({White should play} 25. Qe2 $1 $14) 25... Bf8 $1 $11 26. b5 Qg6 $1 27. Ba3 Qh5 28. Bxf8 Qe2 29. Ra2 Qxe3 30. Bc5 $1 h6 (30... Be8 $11 {keeps the balance.}) 31. Rc2 hxg5 32. hxg5 $40 {[%mdl 128] White has strong attack.} Qd3 $2 { [%mdl 8192]} (32... Rg7 $16) 33. Rfc1 $18 Rh7 34. Bxb6 cxb6 35. Qxb6 Be8 (35... Qc4 $142 36. Qf6 (36. g6 Rg7 $16) 36... Rh4) 36. Qd6+ Ka8 37. Qxd5 $2 (37. Bf1) 37... Rhc7 $2 (37... Bf7 38. Qd6 (38. Qxf5 $2 Rxc3 39. d5 Rc4 $19) 38... Bb3 { [%mdl 64] Pin}) 38. Bf1 ({Wrong is} 38. Qxf5 $2 Rxc3 39. Qxc8+ Rxc8 $19) 38... Qf3 39. b6 {Both players deserved the win here. Weighted Error Value: White=0. 45/Black=0.39} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "2.4"] [White "Alekseenko, Kirill"] [Black "Studer, Noel"] [Result "1-0"] [WhiteElo "2699"] [BlackElo "2581"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rkbnnrqb/pppppppp/8/8/8/8/PPPPPPPP/RKBNNRQB w FAfa - 0 1"] [PlyCount "44"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. f4 {The position is equal.} d5 2. g4 c6 (2... g5 $11 {keeps the balance.}) 3. d3 $16 g6 4. e4 Nc7 5. Nf3 dxe4 6. dxe4 f5 7. gxf5 gxf5 8. e5 Nde6 (8... Qxg1 $1 $14) 9. Nc3 Bd7 (9... Qxg1 $16) 10. Be3 (10. Qf2 $18) 10... Qxg1 11. Nxg1 Bg7 12. O-O-O Be8 13. Nge2 Bh6 14. Rf3 Bg6 15. Rh3 Bg7 16. Bf3 O-O-O ( 16... Re8 $16 {keeps fighting.}) 17. Rxd8+ $18 Rxd8 18. Bxa7 Nd5 $2 {[#]} ( 18... Na6 {is a better defense.} 19. a3 Rg8) 19. Nxd5 cxd5 20. Bb6 Rd7 21. c3 Bf8 22. a4 Ng7 {Weighted Error Value: White=0.16/Black=0.40} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "3.1"] [White "Studer, Noel"] [Black "Kamsky, Gata"] [Result "0-1"] [WhiteElo "2581"] [BlackElo "2658"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "bnrbnkrq/pppppppp/8/8/8/8/PPPPPPPP/BNRBNKRQ w GCgc - 0 1"] [PlyCount "52"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. c4 {The position is equal.} c5 2. b3 b6 3. e3 e6 4. Bf3 Bxf3 5. Nxf3 Bf6 6. Bxf6 Nxf6 7. g4 h6 8. h4 Nc6 9. Qh2 Ke7 10. Nc3 g5 (10... Qh7 $11) 11. d4 $14 cxd4 12. exd4 Qh7 {[#]} 13. hxg5 $1 hxg5 {[#]} 14. Qxh7 $1 Nxh7 15. d5 Na5 16. Rd1 f6 (16... Nf6 $14) 17. Nd4 $18 Nf8 18. Rg3 (18. Rh1 $16) 18... Rh8 19. Kg1 (19. Re3 $14) 19... Ng6 $11 20. Re3 Ne5 21. Re4 (21. Rde1 $11) 21... Nb7 $15 22. f3 Rh3 23. Nce2 $2 (23. dxe6 $17 {was called for.} dxe6 24. Re2) 23... Nd6 $19 ({And not} 23... Nxf3+ 24. Kg2 $16) 24. Re3 {[#]} Nxg4 $1 {[%mdl 576] Pin} 25. Rc3 {[#]} (25. Red3 Ne5) 25... Rch8 $1 {Hoping for ...Rh1+.} 26. Rf1 $2 ( 26. Kf1 Rh1+ 27. Ng1) 26... Rh1+ {What a bad dream for White. Weighted Error Value: White=0.50/Black=0.24} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "3.2"] [White "Lagarde, Maxime"] [Black "Alekseenko, Kirill"] [Result "1/2-1/2"] [WhiteElo "2648"] [BlackElo "2699"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "bnrbnkrq/pppppppp/8/8/8/8/PPPPPPPP/BNRBNKRQ w GCgc - 0 1"] [PlyCount "75"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. b3 {The position is equal.} c5 2. g4 e6 3. c4 Bf6 4. Nc3 g5 5. e3 Nc6 6. Bf3 h5 7. gxh5 Nd6 {[#]} 8. Nd3 (8. Nb5 $1 $16) 8... Nb4 9. Ke2 Nxd3 $1 10. Kxd3 Ke7 11. Ke2 (11. Nb5 $11) 11... Qh6 (11... g4 $1 $15 {keeps the upper hand.} 12. Bxg4 (12. Rxg4 Rxg4 13. Bxg4 b5 $11) 12... b5) 12. h3 ({White should try} 12. h4 $16) 12... Rh8 (12... b6 $11) 13. Qh2 ({Better is} 13. h4 $1 $16 { [%CAl Rh4g5]}) 13... b6 $14 {aiming for ...Bxf3+.} 14. e4 Bd4 15. h4 f6 (15... g4 $142 16. Rxg4 Qxh5) 16. Nb5 $36 {[%mdl 2048] Keeping Black busy.} Nxb5 17. cxb5 Bxa1 18. Rxa1 c4 (18... Rhg8 $16) 19. Rac1 cxb3 {And now ...g4 would win.} 20. Rxc8 (20. axb3 g4 $15) 20... Rxc8 21. axb3 Rc2 (21... Bb7 $16 22. Qg3 Bxe4) 22. Kd3 Rc5 23. Qb8 Bxe4+ (23... Qf8 24. Qxf8+ (24. Qxa7 f5 $11) 24... Kxf8) 24. Bxe4 $18 ({And not} 24. Kxe4 Re5+ 25. Qxe5 (25. Kd3 $2 Qh7+ 26. Kc3 Rc5+ 27. Kd4 Qc2 $19) 25... fxe5 $17) 24... f5 {[#]} (24... g4 $142 25. Ra1 g3 26. fxg3 Qxh5) 25. Bb7 (25. Bc6 $142 $1 {[%mdl 512]} f4 26. Qc7 Qh7+ 27. Ke2 Qxh5+ 28. f3) 25... g4 26. Qxa7 Qf4 27. h6 ({Don't blunder} 27. Qxb6 $2 Qxf2 28. Re1 Rd5+ $3 {[%mdl 512]} 29. Bxd5 Qxb6 $19) 27... Qxf2 $2 {[#]} (27... Qd6+ 28. Ke2 Re5+ 29. Kd1 Qd3 30. Qa3+ Kf7) 28. h7 $2 Qxg1 $11 29. h8=Q {[%mdl 4096] Endgame White wants to mate with Qg7+.} Qf1+ 30. Ke3 f4+ 31. Kd4 Qf2+ 32. Kd3 Qf1+ 33. Kd4 Qf2+ 34. Kd3 {Qg7+ would kill now.} Qf1+ 35. Kd4 Qf2+ 36. Kd3 { Intending Qg7+ and mate.} Qg3+ 37. Kd4 {Threatening mate with Qg7+.} e5+ $2 { [%mdl 8192]} (37... Qf2+ $11 38. Kd3) 38. Ke4 {[%mdl 32768] Weighted Error Value: White=0.43/Black=0.50. An unexpected result.} 1/2-1/2 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "3.3"] [White "Keymer, Vincent"] [Black "Pichot, Alan"] [Result "1-0"] [WhiteElo "2591"] [BlackElo "2630"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "bnrbnkrq/pppppppp/8/8/8/8/PPPPPPPP/BNRBNKRQ w GCgc - 0 1"] [PlyCount "85"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. b3 {White is slightly better.} c5 2. c4 b6 3. Nc3 Nf6 4. e3 h6 5. h4 Nc6 6. Bf3 d6 (6... h5 $14) 7. g4 $16 g5 8. Nb5 gxh4 {[#]} 9. Nxa7 $1 {[%mdl 512]} Nxa7 10. Bxa8 e5 11. Qb7 (11. Bf3 $18 {has better winning chances.}) 11... Rc7 12. Qxb6 Rd7 13. Qa6 $1 Nxg4 (13... Rxg4 $142) 14. Ke2 h3 15. Nf3 h2 (15... Qf6 $16) 16. Rg2 $18 Nxe3 {[#]} 17. Rxg8+ $1 Qxg8 18. dxe3 Qg4 {[#]} 19. Bxe5 { [%mdl 512]} dxe5 20. Qxh6+ Ke7 {and the idea ...e4 leaves Black hopeful.} 21. Qxh2 Bc7 22. Rg1 Qf5 (22... e4 23. Qh4+ (23. Rxg4 exf3+ 24. Bxf3 Bxh2 $11) 23... Qxh4 24. Nxh4 Ba5 25. Bxe4 Rd2+ 26. Kf3 Rxa2 27. Nf5+ Kf6) 23. Qh4+ Qf6 24. Be4 (24. Rg5 $142) 24... Nc8 $2 (24... Qxh4 25. Nxh4 Nc8) 25. Bf5 (25. Qh7 $142 {Hoping for Rg6.} Rd8 26. Rg6) 25... Qxh4 26. Nxh4 Rd8 27. Bxc8 Rxc8 { [%mdl 4096] Endgame KRB-KRN} 28. Rd1 Ra8 29. Rd2 Ke6 30. e4 Ba5 31. Rd5 Bc3 32. Nf5 {[%csl Gf5][%CAl Rd5d6]} ({Don't do} 32. Rxc5 Rxa2+ 33. Kd3 Ba5 $18) 32... Kf6 33. a4 ({Don't take} 33. Rxc5 Rxa2+ 34. Kf3 Ke6 $18) 33... Rb8 34. Rd3 ({ Don't play} 34. Rxc5 Rxb3 35. Rc6+ Kg5 $18) 34... Bd4 35. Ne3 Ke6 $2 (35... Kg7 36. Nf5+ Kg6) 36. Nd5 f5 37. exf5+ Kxf5 38. Rf3+ Kg5 39. Nc7 Rb6 $2 (39... e4) 40. a5 Rc6 41. Rf7 Kg6 42. Re7 Rf6 43. Re6 {Weighted Error Value: White=0.28/ Black=0.42} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "3.4"] [White "Nihal Sarin"] [Black "Gelfand, Boris"] [Result "0-1"] [WhiteElo "2620"] [BlackElo "2675"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "bnrbnkrq/pppppppp/8/8/8/8/PPPPPPPP/BNRBNKRQ w GCgc - 0 1"] [PlyCount "78"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 (1. g4 $142) 1... b6 $11 2. Nc3 e6 3. b3 Nc6 4. Nf3 Bf6 5. h4 Nd6 6. Qh2 Bxc3 7. dxc3 (7. Bxc3 $11) 7... Nxe4 $17 8. Be2 O-O-O (8... d6 $17) 9. c4 ({ Better is} 9. Ng5 $15) 9... h5 10. O-O (10. Qf4 $142) 10... Qh6 11. Rcd1 f6 12. Nd4 Nxd4 13. Bxd4 e5 14. Be3 Qg6 (14... g5 $142 15. Bf3 Kb8) 15. Bd3 {[#] f3 is the strong threat.} Qf7 16. Rfe1 (16. f3 $142 Nc5 17. Bxc5 bxc5 18. Bh7) 16... Nc5 (16... g5 $142 17. Bxe4 Bxe4 18. hxg5 d6) 17. Bxc5 bxc5 18. Be4 Bxe4 19. Rxe4 g5 20. Qh3 {With the idea Qf3.} Qg6 21. Qf3 {[#]} d6 22. hxg5 Qxg5 23. b4 f5 24. Ree1 (24. Re3 $17 e4 25. Qh3) 24... e4 25. Qh3 cxb4 26. a3 Qg4 { ( -> ...Qxh3)} 27. Kh2 (27. Kf1) 27... bxa3 28. Ra1 Rg6 29. Rxa3 Rdg8 {[%CAl Rg4g2]} 30. g3 h4 31. Qxg4 Rxg4 $19 {[%mdl 4096] Endgame KRR-KRR} 32. Kh3 Kd7 33. Ree3 hxg3 34. fxg3 f4 35. gxf4 Rxf4 36. Rxa7 Rf3+ 37. Rxf3 exf3 38. Ra1 Kc6 (38... f2 $142 39. Rf1 Rf8 40. Kh2 Kc6 41. c5 Kxc5 42. Kh3 Kc4 43. Kh4 Kc3 44. Kh5 Kxc2 45. Kg5 d5 46. Kh5 d4 47. Kg4 d3 48. Kg3 d2 49. Rxf2 Rxf2 50. Kxf2 d1=Q 51. Kg3 Qd4 52. Kh3 Kd2 53. Kh2 Qg4 54. Kh1 Ke3 55. Kh2 Kf3 56. Kh1 Qg2#) 39. Rf1 Rf8 {Weighted Error Value: White=0.77/Black=0.36} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "4.1"] [White "Kamsky, Gata"] [Black "Gelfand, Boris"] [Result "0-1"] [WhiteElo "2658"] [BlackElo "2675"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rbknrqbn/pppppppp/8/8/8/8/PPPPPPPP/RBKNRQBN w EAea - 0 1"] [PlyCount "114"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} e5 2. Ng3 Ng6 3. f3 Ne6 4. a4 a5 5. Ba2 f6 6. Nf5 Ba7 7. Bxa7 Rxa7 8. Nc3 Ne7 9. Qf2 Kb8 10. Bxe6 Bxe6 11. Nxe7 Qxe7 12. d4 exd4 13. Qxd4 Ra6 14. Nb5 Qb4 15. O-O-O Qxd4 16. Nxd4 Rd6 17. e5 fxe5 18. Rxe5 Rd5 19. Rxd5 (19. Re4 {seems wilder.} Kc8 20. Rde1 Rh5 21. h3 Rh6 22. Nf5) 19... Bxd5 $14 {Endgame KRB-KRN} 20. Nf5 Bc6 21. b3 ({Much weaker is} 21. Nxg7 Rg8 $17) 21... d6 22. Kd2 ({Much worse is} 22. Nxg7 Rg8 $15) 22... Bd7 23. Ne3 ({Reject} 23. Nxg7 Rg8 $17) 23... c6 24. c4 Kc7 25. Re1 Kb6 26. Nc2 Kc5 27. Rxe8 Bxe8 $11 {KB-KN} 28. Kc3 $1 d5 29. cxd5 Kxd5 30. b4 axb4+ 31. Nxb4+ Kd6 { aiming for ...c5.} 32. a5 c5 33. Nc2 Kc6 34. Na3 $1 Bd7 35. Nc4 Be6 36. Na3 Bg8 37. h4 Bd5 38. Kd3 Bb3 39. Kc3 Bd1 40. Nc4 Be2 41. Na3 {[#]} (41. h5 $11) 41... Bf1 $1 $17 42. g3 {[#]} Be2 ({Better is} 42... Bg2 $1 $17 43. f4 Bf3) 43. f4 ( 43. Nc4 $15) 43... Kd5 44. f5 {White does not recover from this.} (44. Nb1 $17 {was called for.}) 44... Ba6 $19 45. g4 $2 (45. Nb1 {is more resistant.}) 45... Ke4 46. Nc4 Kf4 47. g5 {Threatens to win with f6.} Kxf5 48. Nd6+ (48. Ne3+ $142 Kg6 49. Ng2) 48... Kg4 49. Ne8 Kxh4 50. Nxg7 Kxg5 {Black mates.} 51. Ne6+ Kg4 52. Nxc5 h5 53. Kd2 Kf3 54. Ne6 h4 55. Ng5+ Kg2 56. Ke3 h3 57. Nxh3 Kxh3 { Weighted Error Value: White=0.44/Black=0.05} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "4.2"] [White "Pichot, Alan"] [Black "Nihal Sarin"] [Result "0-1"] [WhiteElo "2630"] [BlackElo "2620"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rbknrqbn/pppppppp/8/8/8/8/PPPPPPPP/RBKNRQBN w EAea - 0 1"] [PlyCount "58"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} e5 2. Ne3 Ng6 3. Ng3 f6 4. f3 Ne6 5. c3 a5 6. Bc2 a4 7. Nd5 Nef4 8. Nxf4 Nxf4 9. d4 c6 10. a3 exd4 11. Bxd4 Be5 12. O-O-O g6 13. Qf2 Qf7 14. Qd2 Qe7 15. Be3 Ne6 $1 16. f4 Bc7 17. Qf2 Ra5 18. e5 fxe5 19. f5 $1 {[#]} Rf8 $1 20. Qd2 {[#]} (20. Bh6 $11 {remains equal.}) 20... Rd5 ( 20... Nc5) 21. Qe2 $11 {Threatens to win with Rxd5.} Nc5 22. fxg6 (22. Rxd5 $11 Bxd5 23. c4) 22... hxg6 $17 23. Bxg6 Nb3+ 24. Kb1 {[#]} Qe6 {[%CAl Re6g6]} 25. Be4 (25. Bd3 {was necessary.}) 25... Rxd1+ $19 26. Qxd1 Na5 {aiming for ... Qa2+.} 27. Rf1 $4 (27. Qc2 Qa2+ 28. Kc1 d5 29. Bf5+ Kb8) 27... Qa2+ {Black is clearly winning.} 28. Kc1 Qa1+ 29. Bb1 Nb3+ {Weighted Error Value: White=0.57/ Black=0.16} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "4.3"] [White "Alekseenko, Kirill"] [Black "Keymer, Vincent"] [Result "1-0"] [WhiteElo "2699"] [BlackElo "2591"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rbknrqbn/pppppppp/8/8/8/8/PPPPPPPP/RBKNRQBN w EAea - 0 1"] [PlyCount "47"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. f4 {The position is equal.} d5 2. c3 Ng6 (2... f5 $1 $11) 3. f5 Ne5 4. d4 Nd7 5. e4 f6 6. exd5 Bxd5 7. Ne3 Bg8 8. Nf2 c6 9. Bc2 Bc7 10. O-O-O e5 11. fxe6 Nxe6 {[#]} (11... Bxe6 $16 {might work better.}) 12. d5 $1 $18 cxd5 13. Nxd5 O-O-O {[#]} 14. Ne4 $1 Nb6 15. Nxc7 Kxc7 16. a4 {[%CAl Ba2a4,Ba4a5,Ba5a6][%mdl 32] Black must now prevent a5.} Kb8 (16... f5 {was worth a try.}) 17. a5 Nc8 18. a6 b6 $2 (18... f5 19. Ng5 Nxg5) 19. h3 (19. Qf3 $142 Re7 20. h4) 19... Nc7 20. Bh2 {Hoping for Qb5!} Rxd1+ $2 (20... Bd5 21. Qb5 Re5 22. Bxe5 fxe5) 21. Rxd1 Rd8 22. Qb5 {Intending Qc6 and mate.} Ne7 23. Rd7 Rc8 {[#]} 24. Rxe7 $1 { [%mdl 512] White took control after the opening. Weighted Error Value: White=0. 33/Black=0.75} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "4.4"] [White "Studer, Noel"] [Black "Lagarde, Maxime"] [Result "0-1"] [WhiteElo "2581"] [BlackElo "2648"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rbknrqbn/pppppppp/8/8/8/8/PPPPPPPP/RBKNRQBN w EAea - 0 1"] [PlyCount "146"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. f4 {The position is equal.} f5 2. c3 c6 3. g3 g6 4. Nhf2 Nhf7 5. e4 fxe4 6. Nxe4 Ne6 7. d4 Nd6 8. Qh3 Nf5 9. Ndf2 Bc7 10. Nd3 O-O-O 11. Bc2 Neg7 12. Bf2 Nh5 13. Bb3 Nf6 14. Ng5 h5 (14... Nd6 $11) 15. Ne5 $1 $16 Qg7 {[#]} 16. Nef7 $1 Nd5 17. Bxd5 cxd5 18. Nxd8 Rxd8 19. O-O Rf8 20. b3 Nd6 21. Rac1 Ne4 22. Nxe4 dxe4 23. c4 Be6 24. Qg2 Bf5 25. Be3 d5 26. c5 Qf6 27. b4 Qa6 ({Black should play} 27... Bd7) 28. Qb2 {Hoping for b5.} Bd7 29. a4 (29. Qb3 $16) 29... Bxa4 $11 30. Ra1 Qc6 $1 31. Rfb1 {aiming for b5.} a6 32. Qg2 Bb5 33. Rb2 Qe6 34. Rf2 Kd7 35. h3 (35. Kh1 {is more complex.} Ke8 36. Re1 Qf5 37. Rb2 Kf7 38. h3) 35... Kc8 36. Kh2 Bd7 37. Rh1 Qc6 (37... h4 $5 38. gxh4 Rh8 $15) 38. Rb1 Rf6 39. Kg1 Qe6 40. Kh2 Bb5 {[%mdl 1024] Black has compensation.} (40... g5 $5 { [%CAl Rh5h4]} 41. Kh1 (41. fxg5 Rf3 $15) 41... h4 $15) 41. Rh1 Kb8 42. Kg1 Ka7 43. g4 Qc6 44. gxh5 $2 {[%mdl 8192]} (44. g5 $11 {and White is okay.} Rf8 45. Qg3) 44... gxh5 $19 45. f5 Bd3 (45... e6 $19 {and Black stays clearly on top.} 46. Bf4 exf5 47. Bxc7 Qxc7) 46. Qg7 (46. Qg5 $17) 46... Qd7 47. Qg5 Qb5 48. Bf4 $2 {[%mdl 8192] [#]} (48. Kg2 $17 {is more resistant.}) 48... Bxf4 $2 ({ Better is} 48... e3 $1 $19 {[%CAl Re3f2]} 49. Rg2 (49. Rf3 Rxf5) 49... Rxf5 50. Qxf5 Bxf5 51. Bxc7 Qxb4) 49. Qxf4 $15 Qxb4 50. Qe3 Qb5 51. Kh2 Qd7 52. Qg5 Qa4 53. Qe3 Qd7 54. Qg5 Qc7+ (54... Qd8 {looks sharper.} 55. Rc1 Bb5 56. Rb1 Qf8 57. Rbb2 Qb8+) 55. Qg3 $1 {[%CAl Rg3c7]} Qxg3+ 56. Kxg3 $11 {[%mdl 4096] Endgame KRR-KRB} e3 57. Rf3 $2 {[%mdl 8192]} (57. Rf4 $1 $11) 57... Be4 $19 58. Rhf1 e2 {And now ...h4+! would win.} 59. Re1 (59. Rg1 {was worth a try.} Bxf3 60. Kxf3) 59... Bxf3 {Black is clearly winning.} 60. Kxf3 Rxf5+ 61. Kxe2 {KR-KR } e5 62. Rg1 exd4 63. Rg7 Kb8 64. Kd3 Rf4 65. Rd7 Rh4 66. Rxd5 Kc7 67. Rg5 Kc6 68. Kc4 d3+ {[%mdl 64] Decoy} 69. Kxd3 Rxh3+ 70. Kc4 Rh4+ 71. Kc3 a5 72. Kb3 Kb5 (72... a4+ $142 73. Kc3 Rh1) 73. Rg7 (73. c6+ $142 Kxc6 74. Rxa5) 73... Rb4+ {What a fight! Weighted Error Value: White=0.43/Black=0.31} (73... Kxc5 $142 74. Rg5+ Kb6) 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "5.1"] [White "Lagarde, Maxime"] [Black "Kamsky, Gata"] [Result "1/2-1/2"] [WhiteElo "2648"] [BlackElo "2658"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rnnbbqkr/pppppppp/8/8/8/8/PPPPPPPP/RNNBBQKR w HAha - 0 1"] [PlyCount "212"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. Nc3 e6 3. e4 dxe4 4. Nxe4 Bc6 5. Bf3 Nd6 6. Qe2 Nxe4 7. Bxe4 Qd6 8. Bc3 Bf6 9. O-O O-O 10. Nb3 Bxe4 11. Qxe4 Nc6 {[%CAl Bb8c6,Bc6e7,Be7g6][%mdl 32] } 12. Rfd1 Rfd8 13. Rd3 Qd5 14. Qg4 Ne7 15. Rad1 h5 16. Qe2 Ng6 17. g3 b6 18. Nd2 a5 19. a4 Be7 20. b3 h4 21. Nc4 Bg5 22. Bd2 Bf6 23. Be3 b5 24. Ne5 (24. axb5 {feels hotter.} hxg3 25. hxg3 Qxb5 26. Nb2 Qf5 27. Na4) 24... bxa4 25. Nxg6 fxg6 26. bxa4 hxg3 27. hxg3 Qc4 28. Bf4 Kf7 {[%CAl Rd8d4]} (28... g5 { seems wilder.} 29. Be5 Bxe5 30. Qxe5 Rd6 31. d5 Qxc2 32. Qxg5 Rf8) 29. Qf3 Qd5 30. Qxd5 Rxd5 31. c4 ({Much weaker is} 31. Bxc7 Rc8 $15) 31... Rd7 32. d5 $1 { [%CAl Rd5e6] Strongly threatening dxe6+.} exd5 33. Rxd5 Re7 34. Rc5 $1 Ra7 35. Rdd5 Rb7 36. Rb5 ({White should play} 36. Rxa5 $16 Rb4 37. c5) 36... c6 (36... Rxb5 $14 37. Rxb5 (37. cxb5 Re4 $14) 37... Bc3) 37. Rxb7 $16 Rxb7 38. Rxa5 { [%mdl 4096] Endgame KRB-KRB} Bd4 39. Ra6 Rb4 40. Rxc6 Rxa4 41. g4 Ra2 42. Bg3 Rc2 43. Kg2 Rc3 (43... g5 $14) 44. Bh4 (44. g5 $16) 44... Be5 $14 45. c5 Bd4 46. Rc7+ Ke6 47. c6 {Threatens to win with Re7+.} Be5 48. Re7+ Kd5 49. c7 Bxc7 (49... Bf6 $11) 50. Rxg7 Rc6 51. Re7 Bd6 52. Re8 (52. Rd7 {is interesting.} Ke4 53. f3+ Ke3 54. Bf2+ Ke2 55. Bg3) 52... Be5 53. Bg3 Bf6 54. Re1 Rc4 55. g5 Bc3 56. Re8 (56. Re3 {feels hotter.} Bb2 57. Re8 Bc1 58. Kf3 Rc3+ 59. Kg4) 56... Rc6 57. Kf3 Bb2 58. Kg4 Ba1 {[#]} (58... Rc4+ $142 59. f4 Bc1) 59. f4 $1 $16 { [%CAl Rf4f5] And now f5 would win.} Bb2 $2 {[%mdl 8192] [#]} (59... Kd6 $16 60. Bf2 Kd5 61. Rd8+ Ke4 62. Re8+ Kd5) 60. Re2 $2 (60. f5 $1 $18 {[%CAl Rf5g6]}) 60... Bc3 (60... Bc1 $142) 61. f5 gxf5+ 62. Kxf5 {Re8 is the strong threat.} Rc8 63. Kg6 ({White should try} 63. g6 $16) 63... Rg8+ $14 64. Kf5 (64. Kh5 $1 $14) 64... Rf8+ (64... Rc8 $1 $11) 65. Kg4 Rg8 66. Re7 (66. Rf2 $1 $14) 66... Bf6 $1 $11 {[%CAl Rf6e7] The position is equal.} 67. Rd7+ Ke4 68. Bf4 Bxg5 69. Bxg5 {KRB-KR} Rf8 70. Re7+ Kd5 71. Bf4 Kd4 (71... Rg8+ {is interesting.} 72. Kf3 Rf8 73. Kg3 Rg8+ 74. Kf3) 72. Kf3 (72. Bc1 {with more complications.} Kc4 73. Kg3 Rg8+ 74. Kf2 Rf8+ 75. Ke1) 72... Kd5 73. Re5+ (73. Kg4 {with more complications.}) 73... Kd4 74. Re1 (74. Kg4 {is more complex.} Kc4 75. Kf3 Kd4) 74... Kd5 75. Rd1+ Kc6 76. Ke4 Ra8 77. Rc1+ Kd7 78. Rc7+ Ke6 79. Be5 Ra4+ 80. Bd4 Ra2 (80... Kd6 {is interesting.} 81. Ra7 Rc4 82. Rf7 Ke6 83. Rf6+ Ke7) 81. Rc6+ (81. Bg1 {keeps more tension.} Ra4+ 82. Ke3 Ra3+ 83. Kf2 Ra2+ 84. Ke1) 81... Kd7 82. Rh6 (82. Kd5 {is more complex.} Ra5+ 83. Bc5 Ra2 84. Rd6+ Ke8 85. Re6+) 82... Rd2 83. Kd5 Rd1 (83... Ke7 {looks sharper.} 84. Rh7+ Kf8 85. Rh8+ Kf7 86. Rh7+ Kf8) 84. Rh7+ Kd8 85. Ke5 Kc8 86. Bc5 Rd7 87. Rh6 Rd1 88. Bd6 Kd7 89. Rh7+ Kc6 (89... Kc8 {seems wilder.} 90. Rc7+ Kd8 91. Rg7 Re1+ 92. Kd5 Re2) 90. Rc7+ Kb6 91. Rc2 Rh1 92. Kd5 Rh5+ 93. Be5 Kb5 94. Rb2+ Ka5 95. Rb1 (95. Ke6 {feels hotter.} Rh4 96. Kd7 Rc4 97. Bc7+ Ka4 98. Rb8) 95... Rg5 (95... Ka6 { with more complications.} 96. Rb8 Ka7 97. Rb5 Ka6 98. Rb3 Ka7) 96. Kd4 Ka6 ( 96... Rg2 {keeps more tension.} 97. Bc7+ Ka6 98. Rb6+ Ka7 99. Rb4 Ka6) 97. Rb2 Rh5 98. Bf6 Rb5 99. Rf2 Rh5 100. Kc4 Kb6 101. Bd4+ Kc6 102. Rf6+ Kd7 103. Bc5 Rh1 104. Ra6 Rc1+ 105. Kd5 Rd1+ 106. Bd4 Rd2 {Weighted Error Value: White=0.25/ Black=0.26} 1/2-1/2 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "5.2"] [White "Keymer, Vincent"] [Black "Studer, Noel"] [Result "1-0"] [WhiteElo "2591"] [BlackElo "2581"] [Annotator "ChessBase"] [Variant "chess 960"] [SetUp "1"] [FEN "rnnbbqkr/pppppppp/8/8/8/8/PPPPPPPP/RNNBBQKR w HAha - 0 1"] [PlyCount "63"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+5"] 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:01]} 2. Nc3 {[%emt 0:00:05]} e6 {[%emt 0: 00:02]} 3. e4 {[%emt 0:00:21]} dxe4 {[%emt 0:00:01]} 4. Nxe4 {[%emt 0:00:03]} Bc6 {[%emt 0:00:02]} 5. Bf3 {[%emt 0:00:26]} Nd6 {[%emt 0:02:29]} 6. Qe2 { [%emt 0:00:03]} Nf5 {[%emt 0:00:23]} 7. Nb3 {[%emt 0:00:51]} a5 {[%emt 0:05:03] } 8. Qd3 {[%emt 0:01:32]} b6 {[%emt 0:00:46]} 9. g3 {[%emt 0:01:08]} Qe8 { [%emt 0:00:26]} 10. Nc1 {[%emt 0:01:45]} Qd7 {[%emt 0:01:39]} 11. Ne2 {[%emt 0: 00:16]} Ra7 {[%emt 0:00:46]} 12. O-O {[%emt 0:00:49]} Ba8 {[%emt 0:00:16]} 13. c4 {[%emt 0:01:37]} Nc6 {[%emt 0:00:22]} 14. Rd1 {[%emt 0:00:31]} O-O {[%emt 0: 00:07]} 15. Bc3 {[%emt 0:00:37]} Be7 {[%emt 0:00:18]} 16. a3 {[%emt 0:00:36]} Rd8 {[%emt 0:00:19]} 17. d5 {[%emt 0:00:40]} Qe8 {[%emt 0:01:50]} 18. Qc2 { [%emt 0:01:47]} exd5 {[%emt 0:00:42]} 19. cxd5 {[%emt 0:00:01]} Nb8 {[%emt 0: 00:07]} 20. Nf4 {[%emt 0:00:05]} c6 {[%emt 0:00:31]} 21. Rfe1 {[%emt 0:00:56]} cxd5 {[%emt 0:00:20]} 22. Nf6+ {[%emt 0:00:02]} gxf6 {[%emt 0:00:01]} 23. Qxf5 {[%emt 0:00:02]} d4 {[%emt 0:00:14]} 24. Bxa8 {[%emt 0:00:22]} Rxa8 {[%emt 0: 00:06]} 25. Nh5 {[%emt 0:00:39]} Qd7 {[%emt 0:00:08]} 26. Rxd4 {[%emt 0:00:02]} Qxf5 {[%emt 0:00:09]} 27. Rxd8+ {[%emt 0:00:01]} Bf8 {[%emt 0:00:01]} 28. Nxf6+ {[%emt 0:00:44]} Kg7 {[%emt 0:00:01]} 29. Ree8 {[%emt 0:00:07]} Nd7 {[%emt 0: 00:15]} 30. Nxd7+ {[%emt 0:00:05]} Kh6 {[%emt 0:00:02]} 31. Rxa8 {[%emt 0:00: 22]} Qxd7 {[%emt 0:00:01]} 32. Rad8 {[%emt 0:00:03]} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "5.3"] [White "Nihal Sarin"] [Black "Alekseenko, Kirill"] [Result "1-0"] [WhiteElo "2620"] [BlackElo "2699"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rnnbbqkr/pppppppp/8/8/8/8/PPPPPPPP/RNNBBQKR w HAha - 0 1"] [PlyCount "69"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. e3 Nd6 3. Nd2 Bb5 4. Be2 Bxe2 5. Qxe2 Nd7 6. c4 c6 7. cxd5 cxd5 8. Nd3 e6 9. Nf3 Rc8 10. O-O Be7 11. Bd2 f6 12. Rfc1 Kf7 13. Bb4 Rxc1+ 14. Rxc1 Qb8 15. Bxd6 Bxd6 16. e4 Rc8 17. Re1 Re8 (17... dxe4 $11 {keeps the balance.} 18. Qxe4 Nf8) 18. e5 $16 Bf8 19. exf6 gxf6 $2 (19... Nxf6 $16 20. Ng5+ Kg8 21. f4) (19... Kxf6 20. h4) 20. Nh4 $18 Bg7 21. Qh5+ ({Don't do} 21. Qg4 $6 Qd8 $16 ) 21... Kg8 {[#]} 22. Nf5 $1 {[%mdl 512]} Nf8 {[#]} 23. Re3 $1 Ng6 24. Nxg7 Kxg7 25. Rh3 Rh8 26. Qh6+ Kf7 27. Rf3 {Ne5+! is the strong threat.} Qf8 {[#]} 28. Ne5+ $1 Ke7 $2 {[#]} (28... Kg8 {was necessary.} 29. Qxf8+ Nxf8) 29. Qxh7+ $1 {[%mdl 576] Remove Defender} Rxh7 30. Nxg6+ Kf7 31. Nxf8 Kxf8 32. Rxf6+ Ke7 33. Rf3 e5 34. Rf5 ({Resist} 34. dxe5 Ke6 $18) 34... Kd6 $2 (34... Rh4 35. dxe5 Ke6) 35. Rf6+ {Weighted Error Value: White=0.06/Black=0.33} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "5.4"] [White "Gelfand, Boris"] [Black "Pichot, Alan"] [Result "1/2-1/2"] [WhiteElo "2675"] [BlackElo "2630"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "rnnbbqkr/pppppppp/8/8/8/8/PPPPPPPP/RNNBBQKR w HAha - 0 1"] [PlyCount "57"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. Nc3 c6 3. e4 e6 4. Qd3 Nd6 5. O-O Qe7 6. N1e2 (6. e5 $11) 6... b5 7. Ng3 O-O (7... h5 $5) 8. Bf3 Bb6 9. Bd2 ({Much weaker is} 9. exd5 cxd5 10. Nce2 Nc6 $15) 9... Na6 10. Bf4 {[%CAl Re4d5]} (10. exd5 Nb4 $19) 10... Rd8 11. Rae1 (11. exd5 $11 cxd5 12. a3) 11... Qb7 (11... dxe4 $15 12. Ncxe4 (12. Ngxe4 Nb4 $15) 12... Nc4) 12. e5 $11 Nb4 13. Qd1 $1 $16 Nc4 14. a3 (14. Nh5 $16) 14... Na6 $14 15. Bg5 h6 16. Bf6 gxf6 $11 17. exf6 Nxb2 (17... Qb8 $11 18. Bxd5 Qf4) 18. Qd2 $2 (18. Qc1 $1 $16 {[%CAl Rc1h6]} Kh7 19. Re4 $1) 18... Kh7 $17 19. Re5 {[#] White threatens Rh5! and mate.} Rg8 $1 ({Not} 19... Nc4 $2 20. Qd3+ Kg8 21. Rh5 $18) 20. Rh5 {[%csl Gd2][%CAl Rh5h6]} Rg6 21. Nce4 Qc7 ({ Black should try} 21... Qb8 $17 {Threatens to win with ...Nc4.} 22. Rh3 Nc4) 22. Rxh6+ $2 Rxh6 $19 23. Qg5 {[%csl Gf6][%CAl Rg5g7]} Rg6 24. Qh5+ (24. Qh4+ Kg8 25. Ng5 Rxf6 26. Nh7 Rxf3 27. gxf3 Bxd4 28. Qxd4) 24... Kg8 25. Nf5 dxe4 26. Nh6+ Kf8 27. Nf5 Kg8 28. Nh6+ $1 Kf8 29. Nf5 $1 {[%mdl 32768] Weighted Error Value: White=0.86/Black=0. 39. An unexpected result.} 1/2-1/2 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "6.1"] [White "Kamsky, Gata"] [Black "Pichot, Alan"] [Result "1-0"] [WhiteElo "2658"] [BlackElo "2630"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "qrnknbbr/pppppppp/8/8/8/8/PPPPPPPP/QRNKNBBR w HBhb - 0 1"] [PlyCount "83"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 {The position is equal.} e5 2. f3 f6 3. b3 c5 4. Bc4 Be6 5. Bxe6 dxe6 6. Bf2 Bd6 7. c3 Nc7 8. Nc2 O-O 9. O-O b5 10. a4 a6 ({Black should play} 10... b4 $14) 11. axb5 $16 axb5 12. Qxa8 $1 Rxa8 13. Nd3 Rd8 14. Bxc5 Bxc5+ 15. Nxc5 Ra2 16. Ne3 Rdxd2 17. Rbd1 Kf8 18. Rxd2 Rxd2 19. Rf2 Rxf2 20. Kxf2 $11 {[%mdl 4096] Endgame KNN-KNN} Ke7 21. g4 Kd6 22. b4 Nb6 (22... Ne8 {seems wilder.} 23. h4 Ke7 24. Nb7 Ned6 25. Na5 Kd7) 23. Ke2 Na4 (23... g5 $11) 24. Nxa4 $1 $16 bxa4 { KN-KN} 25. Nc4+ Kc6 {[#]} 26. Na3 $1 f5 27. Kd3 (27. exf5 $16 exf5 28. gxf5) 27... Ne8 (27... fxe4+ $14 28. fxe4 Ne8) 28. c4 ({White should try} 28. gxf5 $16 exf5 29. exf5) 28... g5 $2 {[%mdl 8192] A mistake that costs the game.} ( 28... fxg4 $11 {and Black is okay.} 29. fxg4 Nf6) 29. c5 (29. gxf5 $142 exf5 30. exf5) 29... Nf6 $2 (29... fxe4+ 30. Kxe4 Nc7) 30. gxf5 $18 exf5 31. exf5 Nd5 {[#]} 32. Nc2 Kb5 33. Ke4 Nxb4 34. Nxb4 Kxb4 {KP-KP} 35. c6 {Intending f6 and mate.} a3 36. c7 a2 37. c8=Q {White threatens Qc1 and mate.} a1=Q 38. Qb8+ Kc4 39. Qc7+ Kb4 40. Qd6+ Kc4 41. Qd5+ Kb4 42. f6 {Weighted Error Value: White=0.18/Black=0.86} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "6.2"] [White "Alekseenko, Kirill"] [Black "Gelfand, Boris"] [Result "1/2-1/2"] [WhiteElo "2699"] [BlackElo "2675"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "qrnknbbr/pppppppp/8/8/8/8/PPPPPPPP/QRNKNBBR w HBhb - 0 1"] [PlyCount "144"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. b3 {White has an edge.} Nf6 2. g3 g6 (2... h6 $11) 3. Bg2 Bg7 4. f4 Nh5 {[#] } 5. Bd4 $1 Bxd4 6. Qxd4 f6 7. Ncd3 a5 8. Nc5 ({White should play} 8. g4 $16) 8... d6 $1 $14 9. Ned3 Qa7 {[%mdl 64] [#] Pin} 10. c3 Ng7 11. e4 Ne6 12. Nxe6+ $1 Bxe6 13. Qf2 Qxf2 14. Nxf2 b5 15. d4 Nb6 16. O-O O-O 17. Nd3 Rfc8 18. Rbd1 a4 19. d5 Bg4 20. Rd2 c5 21. dxc6 Rxc6 22. e5 Rxc3 23. exd6 exd6 24. Nf2 Bf3 25. Bxf3 Rxf3 26. Kg2 Re3 27. Ng4 Re6 28. f5 gxf5 29. Nh6+ Kf8 (29... Kg7 $5 { [%CAl Rg7h6]} 30. Nxf5+ Kg6 $14) 30. Nxf5 axb3 31. axb3 {[%CAl Ba2b3,Bb3b4] [%mdl 32] Black must now prevent Nd4.} Nd7 32. Nxd6 Nc5 33. Nf5 (33. b4 $5 { [%CAl Rb4c5]} Na6 34. Nf5 $14) 33... Rbe8 34. b4 Re2+ $1 35. Rxe2 Rxe2+ $11 { [%mdl 4096] Endgame KRN-KRN} 36. Kf3 Re5 37. g4 ({Don't blunder} 37. bxc5 $2 Rxf5+ 38. Kg2 Rxf1 $19) (37. Ne3 {seems wilder.} Nd3 38. Rb1 Re8 39. Ke2 Ne5 40. Nd5) 37... Nd3 38. Ra1 Nxb4 39. Ra8+ Re8 40. Ra7 Kg8 41. Rg7+ Kh8 42. Rb7 Nc6 43. Rxb5 Ne5+ 44. Kf4 Ng6+ 45. Kg3 Ra8 46. Rb7 Kg8 47. h4 Ra3+ 48. Kg2 Ra2+ 49. Kg3 Ra3+ 50. Kg2 Ra2+ 51. Kf3 Ra4 (51... Ne5+ {feels hotter.} 52. Kg3 Ra3+ 53. Kg2 Ra2+ 54. Kh3 Ra3+) 52. Nh6+ Kh8 53. h5 Ne5+ 54. Kg3 Rc4 $2 {[%mdl 8192] } (54... Ra3+ $11 55. Kf2 Ra4) 55. Rb6 $2 ({White has to play} 55. Rb8+ $18 Kg7 56. Nf5+ Kf7 57. Nd6+ Kg7 58. Rb7+ Kh6 59. Nxc4 Nxc4 60. Kf4) 55... Rc3+ 56. Kf4 Kg7 {...Rf3+ is the strong threat.} 57. Nf5+ Kf7 58. Rb7+ Ke6 $1 { Threatens to win with ...Rc4+.} 59. Ng7+ ({Avoid the trap} 59. Rxh7 $2 Rc4+ 60. Ke3 Nxg4+ 61. Kd2 Kxf5 $19) (59. Ke4 {with more complications.} Rc4+ 60. Nd4+ Kd6 61. Rb6+ Kc5 62. Rb5+) 59... Kd5 {[%csl Ge5][%CAl Rc3f3]} 60. Rb5+ Kc6 61. Rb1 Rc4+ 62. Kf5 Nxg4 63. Ne6 (63. Ra1 {is interesting.} Nh6+ 64. Kxf6 Rc5 65. Ra8 Ng4+ 66. Ke6) 63... Ne3+ 64. Kxf6 Nd5+ 65. Kg7 Kd6 {The position is equal.} 66. Re1 Rg4+ 67. Kh6 Nf6 68. Ng7 {aiming for Re6+.} Ng8+ 69. Kxh7 Nf6+ 70. Kh6 {Strongly threatening Re6+.} Ng8+ 71. Kh7 Nf6+ 72. Kh8 {Hoping for Re6+.} Nxh5 {Weighted Error Value: White=0.25/Black=0.09} 1/2-1/2 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "6.3"] [White "Studer, Noel"] [Black "Nihal Sarin"] [Result "1-0"] [WhiteElo "2581"] [BlackElo "2620"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "qrnknbbr/pppppppp/8/8/8/8/PPPPPPPP/QRNKNBBR w HBhb - 0 1"] [PlyCount "77"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. g3 h5 2. Bg2 h4 3. f4 $1 g6 4. b3 f6 5. gxh4 Rxh4 6. Ncd3 d6 7. Nf3 Rh5 8. a4 e5 9. fxe5 dxe5 10. a5 (10. Nfe1 $11) 10... Ncd6 (10... e4 $17) 11. Qa4 $14 Be6 12. Nc5 Bc8 13. a6 (13. h4 $16) 13... b5 $1 $11 14. Qa1 Bh3 15. Bxh3 $1 Rxh3 16. O-O-O Qd5 17. Bf2 Kc8 18. d3 Qc6 (18... b4 $11) 19. Rhg1 g5 (19... Nf5 $1 $14 20. d4 Bxc5 21. dxc5 Qe4) 20. b4 (20. d4 $1 $18 {[%CAl Rd4e5]} Nf7 21. d5 $1) 20... Nf7 (20... Rb6 $14) 21. Nd2 (21. d4 $16 {[%CAl Rd4e5]} e4 22. Qa2 $1 (22. d5 Qd6 $14)) 21... Rxh2 {[#]} (21... Rb6 $11) 22. Rdf1 (22. Qa2 $1 $14 Nh6 (22... Nd8 23. Qg8) 23. Rdf1) 22... Rh7 (22... Rb6 $11) 23. Ndb3 $16 { [%mdl 1024] White has strong compensation.} Rb6 {[#]} 24. Na5 $1 {[%CAl Ra5c6]} Qd5 (24... Qd6 $142) 25. e4 Qd6 (25... Qd8 $16) 26. Ncb3 $2 (26. Rh1 $18 Rg7 27. Qa2) 26... Rxa6 $2 {[%mdl 8192] A mistake that costs the game.} (26... Qxb4 $11 {and Black stays safe.} 27. Bxb6 cxb6) 27. Bc5 $18 Qe6 28. Bxf8 Qh3 29. Nc5 Rb6 30. Nab3 a6 31. Nxa6 Qe3+ 32. Kb1 Nd8 33. Bc5 Qe2 34. Bxb6 cxb6 {[#]} 35. Nac5 $1 {Threatening mate with Qa8+.} Kb8 {[#]} (35... Nc7 36. Rxf6) 36. Qa6 $1 bxc5 37. Qxb5+ Rb7 38. Qxe8 Kc8 39. Rxf6 {Weighted Error Value: White=0.51/ Black=0.88} 1-0 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "6.4"] [White "Lagarde, Maxime"] [Black "Keymer, Vincent"] [Result "0-1"] [WhiteElo "2648"] [BlackElo "2591"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "qrnknbbr/pppppppp/8/8/8/8/PPPPPPPP/QRNKNBBR w HBhb - 0 1"] [PlyCount "72"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. f4 {The position is equal.} f5 2. Nf3 Nf6 3. Bd4 b6 4. b4 Nd6 5. e3 Nde4 6. Nd3 d6 (6... Rc8 $11 {remains equal.}) 7. b5 $16 Bd5 8. Be2 a5 9. O-O e6 10. Ng5 (10. Nf2 $16) 10... Kd7 11. Nf3 Be7 12. c4 Bb7 13. Nde1 Rbf8 14. d3 Nc5 15. Bxc5 bxc5 16. d4 Ne4 17. Nd3 Bf6 18. a4 Qa7 19. Kh1 (19. Qa3 $14) 19... Rhg8 ( 19... Rc8 $11) 20. Qa3 $14 cxd4 21. b6 ({Better is} 21. Rfc1 $14) 21... Qa8 $2 {[%mdl 8192]} (21... cxb6 $15 22. exd4 Rc8) 22. exd4 g5 $2 (22... Nd2 {keeps fighting.}) 23. fxg5 $18 Nxg5 24. bxc7 Nxf3 25. Bxf3 (25. Rb6 $18 Be7 26. gxf3 Kxc7 27. c5 dxc5 28. Rxe6) 25... Bxf3 $14 26. Rxf3 {And now Rb6 would win.} Bxd4 27. c5 {[#]} (27. Qa2 $1 $14) 27... Rxg2 $1 $15 28. Ne5+ dxe5 29. Kxg2 { c6+! is the strong threat.} ({Don't go for} 29. c6+ $2 Qxc6 30. Kxg2 (30. Qxf8 Rg1+ {[%mdl 64] Back Rank} 31. Rxg1 Qxf3+ 32. Rg2 Qf1+ 33. Rg1 Qxg1#) 30... Rg8+ 31. Kh1 Qc2 $19) 29... Rg8+ ({Avoid the trap} 29... Qe4 $2 30. c6+ Kxc6 31. Rb8 $18 (31. Qxf8 Qe2+ 32. Kg3 Bf2+ 33. Kg2 Bd4+ 34. Kg3 Bf2+ 35. Kg2 Bd4+ $11)) 30. Kh1 $2 (30. Kh3 $1 $15 Kxc7 31. Qb3) 30... e4 $2 $40 {[%mdl 128] Black attacks.} (30... Kxc7 $19 {aiming for ...Kd7.} 31. h3 Qc6) 31. Rd1 $2 { [%mdl 8192]} exf3 $19 32. Rxd4+ Kxc7 33. c6 Qxc6 {Black is clearly winning.} 34. Qe7+ Kb8 {[#] ( -> ...f2+)} 35. Rd8+ Rxd8 36. Qxd8+ Kb7 {Never resign too early! Weighted Error Value: White=0.67/Black=0.50} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "7.1"] [White "Keymer, Vincent"] [Black "Kamsky, Gata"] [Result "1/2-1/2"] [WhiteElo "2591"] [BlackElo "2658"] [Annotator "RC"] [Variant "chess 960"] [SetUp "1"] [FEN "nqrbkrbn/pppppppp/8/8/8/8/PPPPPPPP/NQRBKRBN w FCfc - 0 1"] [PlyCount "133"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+5"] 1. Ng3 {[%emt 0:00:13]} g6 {[%emt 0:00:46]} 2. e4 {[%emt 0:00:19]} f6 {[%emt 0: 00:31]} 3. d4 {[%emt 0:00:36]} c5 {[%emt 0:00:23]} 4. d5 {[%emt 0:00:54]} c4 { [%emt 0:00:02]} 5. f4 {[%emt 0:01:13]} Bb6 {[%emt 0:00:38]} 6. Bxb6 {[%emt 0: 00:37]} Nxb6 {[%emt 0:00:02]} 7. c3 {[%emt 0:00:01]} f5 {[%emt 0:00:09]} 8. exf5 {[%emt 0:00:31]} Bxd5 {[%emt 0:00:07]} 9. O-O {[%emt 0:00:54]} Qd6 { [%emt 0:00:50]} 10. Bc2 {[%emt 0:03:46]} O-O-O {[%emt 0:01:52]} 11. Rcd1 { [%emt 0:01:23]} gxf5 {[%emt 0:01:04]} 12. Nxf5 {[%emt 0:00:06]} Qc5+ {[%emt 0: 00:25]} 13. Nd4 {[%emt 0:01:11]} Ng6 {[%emt 0:00:35]} 14. Bxg6 {[%emt 0:01:55]} hxg6 {[%emt 0:00:04]} 15. Rde1 {[%emt 0:01:11]} e6 {[%emt 0:04:29]} 16. Qc1 { [%emt 0:01:06]} a6 {[%emt 0:01:46]} 17. Nac2 {[%emt 0:00:09]} Qc7 {[%emt 0:01: 12]} 18. Qe3 {[%emt 0:00:18]} Na4 {[%emt 0:00:07]} 19. Nb4 {[%emt 0:00:08]} Nxb2 {[%emt 0:00:04]} 20. Nxd5 {[%emt 0:00:02]} exd5 {[%emt 0:00:02]} 21. g3 { [%emt 0:00:07]} Nd3 {[%emt 0:00:02]} 22. Re2 {[%emt 0:00:01]} Nc5 {[%emt 0:00: 03]} 23. Nf3 {[%emt 0:00:09]} Ne4 {[%emt 0:00:05]} 24. Rd1 {[%emt 0:00:01]} Qa5 {[%emt 0:00:16]} 25. Rc2 {[%emt 0:00:11]} Rde8 {[%emt 0:00:04]} 26. Qd4 { [%emt 0:00:01]} Nf6 {[%emt 0:00:14]} 27. Ne5 {[%emt 0:00:05]} g5 {[%emt 0:00: 31]} 28. Rb2 {[%emt 0:00:10]} Ne4 {[%emt 0:00:10]} 29. Qa7 {[%emt 0:00:05]} Qc5+ {[%emt 0:00:02]} 30. Qxc5+ {[%emt 0:00:00]} Nxc5 {[%emt 0:00:01]} 31. Rxd5 {[%emt 0:00:02]} d6 {[%emt 0:00:03]} 32. Nxc4 {[%emt 0:00:05]} Re1+ {[%emt 0: 00:02]} 33. Kf2 {[%emt 0:00:04]} Re6 {[%emt 0:00:06]} 34. Kg2 {[%emt 0:00:14]} gxf4 {[%emt 0:00:03]} 35. Nxd6+ {[%emt 0:00:03]} Kc7 {[%emt 0:00:01]} 36. Rxc5+ {[%emt 0:00:03]} Kxd6 {[%emt 0:00:01]} 37. Rc4 {[%emt 0:00:03]} fxg3 {[%emt 0: 00:06]} 38. hxg3 {[%emt 0:00:03]} b5 {[%emt 0:00:04]} 39. Rf4 {[%emt 0:00:08]} Rg8 {[%emt 0:00:03]} 40. Rd2+ {[%emt 0:00:09]} Kc5 {[%emt 0:00:01]} 41. Rf3 { [%emt 0:00:04]} Re4 {[%emt 0:00:05]} 42. Kh3 {[%emt 0:00:07]} Rh8+ {[%emt 0:00: 01]} 43. Kg2 {[%emt 0:00:01]} Rg8 {[%emt 0:00:01]} 44. a3 {[%emt 0:00:04]} Rg6 {[%emt 0:00:05]} 45. Rd8 {[%emt 0:00:04]} Ra4 {[%emt 0:00:06]} 46. Rc8+ { [%emt 0:00:08]} Kb6 {[%emt 0:00:01]} 47. Kh3 {[%emt 0:00:08]} Rh6+ {[%emt 0:00: 02]} 48. Kg2 {[%emt 0:00:01]} Rxa3 {[%emt 0:00:02]} 49. g4 {[%emt 0:00:01]} Rg6 {[%emt 0:00:04]} 50. Kg3 {[%emt 0:00:04]} Ra4 {[%emt 0:00:04]} 51. Rf4 { [%emt 0:00:00]} Ra1 {[%emt 0:00:03]} 52. Rcf8 {[%emt 0:00:12]} Rg1+ {[%emt 0: 00:01]} 53. Kf3 {[%emt 0:00:03]} a5 {[%emt 0:00:05]} 54. R8f5 {[%emt 0:00:11]} Rf1+ {[%emt 0:00:05]} 55. Ke3 {[%emt 0:00:03]} Rxf4 {[%emt 0:00:01]} 56. Rxf4 { [%emt 0:00:02]} a4 {[%emt 0:00:25]} 57. Kd3 {[%emt 0:00:05]} Rh6 {[%emt 0:00: 01]} 58. Rf2 {[%emt 0:00:10]} Rh3+ {[%emt 0:00:02]} 59. Kc2 {[%emt 0:00:00]} Rg3 {[%emt 0:00:01]} 60. Rf4 {[%emt 0:00:08]} Rg2+ {[%emt 0:00:02]} 61. Kb1 { [%emt 0:00:01]} Kc5 {[%emt 0:00:03]} 62. Re4 {[%emt 0:00:02]} a3 {[%emt 0:00: 10]} 63. Rf4 {[%emt 0:00:07]} Rb2+ {[%emt 0:00:02]} 64. Ka1 {[%emt 0:00:06]} Rc2 {[%emt 0:00:02]} 65. Rf3 {[%emt 0:00:13]} Rg2 {[%emt 0:00:30]} 66. Rf4 { [%emt 0:00:05]} Rg3 {[%emt 0:00:02]} 67. g5 {[%emt 0:00:06]} 1/2-1/2 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "7.2"] [White "Nihal Sarin"] [Black "Lagarde, Maxime"] [Result "0-1"] [WhiteElo "2620"] [BlackElo "2648"] [Annotator "RC"] [Variant "chess 960"] [SetUp "1"] [FEN "nqrbkrbn/pppppppp/8/8/8/8/PPPPPPPP/NQRBKRBN w FCfc - 0 1"] [PlyCount "66"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+5"] 1. d4 {[%emt 0:00:01]} Ng6 {[%emt 0:00:12]} 2. c3 {[%emt 0:00:57]} f5 {[%emt 0: 00:24]} 3. f3 {[%emt 0:01:40]} c5 {[%emt 0:01:24]} 4. dxc5 {[%emt 0:02:31]} b6 {[%emt 0:00:01]} 5. Nb3 {[%emt 0:03:29]} bxc5 {[%emt 0:01:02]} 6. Nxc5 { [%emt 0:00:03]} Nf4 {[%emt 0:00:10]} 7. g3 {[%emt 0:00:47]} Nh3 {[%emt 0:02:45] } 8. Be3 {[%emt 0:02:27]} f4 {[%emt 0:02:09]} 9. Ba4 {[%emt 0:00:26]} Nb6 { [%emt 0:00:25]} 10. Nxd7 {[%emt 0:00:01]} Nxd7 {[%emt 0:00:34]} 11. O-O-O { [%emt 0:00:04]} Be6 {[%emt 0:01:21]} 12. Qxh7 {[%emt 0:01:47]} Qe5 {[%emt 0:00: 02]} 13. Bd4 {[%emt 0:00:09]} Qg5 {[%emt 0:01:10]} 14. g4 {[%emt 0:01:17]} Qh6 {[%emt 0:00:02]} 15. Qd3 $6 {[%emt 0:00:20]} (15. Qxg7) 15... O-O {[%emt 0:00: 28]} 16. Nf2 {[%emt 0:00:19]} Nb6 {[%emt 0:00:20]} 17. Bc2 {[%emt 0:00:05]} Bc4 {[%emt 0:00:18]} 18. Qe4 {[%emt 0:00:01]} Ng5 {[%emt 0:00:08]} 19. Qb7 { [%emt 0:00:09]} Bxe2 {[%emt 0:00:20]} 20. h4 {[%emt 0:00:01]} Nxf3 {[%emt 0:00: 26]} 21. g5 {[%emt 0:00:06]} Qc6 {[%emt 0:00:12]} 22. Qxc6 {[%emt 0:00:08]} Rxc6 {[%emt 0:00:01]} 23. Be4 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:29]} 24. Rxd4 { [%emt 0:00:02]} Rd6 {[%emt 0:00:14]} 25. Rxd6 {[%emt 0:00:09]} exd6 {[%emt 0: 00:01]} 26. Rg1 {[%emt 0:00:05]} d5 {[%emt 0:00:07]} 27. Bd3 {[%emt 0:00:01]} f3 {[%emt 0:00:08]} 28. Re1 {[%emt 0:00:01]} Re8 {[%emt 0:01:13]} 29. Bxe2 { [%emt 0:00:14]} fxe2 {[%emt 0:00:01]} 30. b3 {[%emt 0:00:03]} d4 {[%emt 0:00: 12]} 31. cxd4 {[%emt 0:00:07]} Nd5 {[%emt 0:00:04]} 32. a3 {[%emt 0:00:01]} Ba5 {[%emt 0:00:42]} 33. b4 {[%emt 0:00:01]} Nxb4 {[%emt 0:00:02]} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "7.3"] [White "Gelfand, Boris"] [Black "Studer, Noel"] [Result "0-1"] [WhiteElo "2675"] [BlackElo "2581"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "nqrbkrbn/pppppppp/8/8/8/8/PPPPPPPP/NQRBKRBN w FCfc - 0 1"] [PlyCount "68"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. Ng3 {White is slightly better.} g6 2. f4 c5 3. e4 Nb6 4. Nb3 {[%CAl Ba1b3, Bb3c5,Bc5e4][%mdl 32]} Bc7 5. e5 (5. Ne2 $14) 5... c4 $15 6. Nc5 d6 (6... f6 $15) 7. Nce4 $1 $11 dxe5 8. f5 $1 f6 9. Bc5 (9. b3 $11 {keeps the balance.}) 9... Nd5 $17 10. O-O b5 11. b4 Bb6 12. Bf3 Nf7 13. Kh1 (13. a4 $142) 13... Nd6 (13... Bxc5 $142) 14. Bg4 (14. Bxd6 $17) 14... h5 15. Bh3 (15. Bxd6 $17) 15... Nxe4 $19 16. Nxe4 g5 17. g3 g4 18. Bg2 h4 19. Rf2 h3 20. Bf1 {[#]} Qb7 ({ Better is} 20... Ne3 $1 $19 {[%mdl 512]}) 21. Kg1 {[#]} Ne3 $1 {[%mdl 512]} 22. Nxf6+ $2 (22. Bxb6 $17 {was worth a try.}) 22... Rxf6 23. Bxe3 c3 24. Re1 $2 ( 24. Bxb6) 24... cxd2 25. Rxd2 Rc3 26. Bxb5+ Kf8 27. Bd3 e4 28. Bxe4 Bxe3+ 29. Rxe3 Qb6 30. Rd8+ Qxd8 (30... Kg7 $142 31. Rdd3 Rxd3 32. cxd3 Qxe3+ 33. Kf1 { [#]} Rxf5+ $3 {[%mdl 576] Deflection} 34. Bxf5 Qf3+ 35. Ke1 Qh1+ 36. Ke2 Qxb1 37. Bxg4 Qxa2+ 38. Ke1 Qxh2 39. Bxh3 Qxh3 40. Ke2 Qxg3 41. Kd2 Kf6 42. d4 Bc4 43. Kc2 Qd3+ 44. Kb2 Qd2+ 45. Kb1 Bd3+ 46. Ka1 Qc1+ 47. Ka2 Bc4#) 31. Rxc3 Qd4+ {Black mates.} 32. Kf1 Qxc3 33. Qd1 Bc4+ 34. Kf2 Rd6 {Weighted Error Value: White=1.01/Black=0.36} 0-1 [Event "ACCENTUS Chess960 2021"] [Site "Biel"] [Date "2021.07.24"] [Round "7.4"] [White "Pichot, Alan"] [Black "Alekseenko, Kirill"] [Result "1/2-1/2"] [WhiteElo "2630"] [BlackElo "2699"] [Annotator "TA"] [Variant "chess 960"] [SetUp "1"] [FEN "nqrbkrbn/pppppppp/8/8/8/8/PPPPPPPP/NQRBKRBN w FCfc - 0 1"] [PlyCount "141"] [EventDate "2021.07.24"] [EventType "tourn"] [EventCountry "SUI"] [Tiebreak "Direct encounter+Number of wins+Number of black wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 ({Better is} 1. Ng3 $14) 1... d5 (1... Ng6 $15) 2. c4 (2. f4 $1 $11) 2... dxc4 $1 $15 3. Rxc4 c6 4. Nb3 Ng6 5. g3 f5 6. Rc1 Bxb3 (6... e5 $17) 7. Bxb3 Ba5+ 8. Kd1 $1 Qd6 9. f4 O-O-O 10. Qd3 Bb6 11. e3 e5 12. fxe5 Nxe5 {[%mdl 64] Pin} 13. Qe2 Nc7 14. Kc2 Nd7 15. Kb1 Rde8 16. Qf3 g6 17. Nf2 Nf6 18. Nd3 Ncd5 19. Ne5 Kb8 20. a3 Bc7 21. Rc2 Qe6 22. Nc4 Ne4 23. Ka2 a5 24. Ka1 h5 25. Nd2 Ng5 26. Qe2 Nh3 27. Nc4 ({White should try} 27. Qg2 $15 Nxg1 28. Bxd5 cxd5 29. Rxg1) 27... Qe4 28. Bf2 Nxf2 29. Qxf2 Nxe3 30. Nxe3 Qxe3 31. Qxe3 Rxe3 32. Ka2 Rd3 33. d5 cxd5 34. Rc5 Rd8 35. Re1 d4 (35... Rd2 $142 36. Re6 g5) 36. Re6 $17 Re3 37. Rxg6 {[#]} d3 $1 38. Rg7 Be5 ({Black should play} 38... Bb6 $17 39. Rb5 Rd6) 39. Re7 $1 $11 d2 {( -> ...Rxb3!)} 40. Bd1 Re1 41. Bf3 $18 Re4 42. Rcxe5 ( 42. Rexe5 $18 d1=Q 43. Bxd1 Rxe5 44. Rxe5 Rxd1 45. Rxf5) 42... d1=Q $16 43. Bxd1 Rxd1 44. Rxe4 fxe4 45. Rxe4 {[%mdl 4096] Endgame KR-KR} Rd2 {[#]} 46. h4 Rd5 47. Re6 Ka7 (47... Kc7 $16 {might work better.} 48. Rg6 a4) 48. Rg6 $18 b6 49. Rg5 Rd3 50. Kb1 a4 51. Kc2 ({Much less strong is} 51. Rxh5 $6 Rxg3 52. Rh7+ Ka6 $18) 51... Rf3 52. Kd2 Ka6 (52... Rf2+ $16 {is a better defense.} 53. Kc1 Rf1+ 54. Kc2 Rg1 55. Rxh5 Rg2+ 56. Kb1 Rxg3 57. Rh7+ Ka6) 53. Rxh5 Rxg3 54. Rh8 $2 (54. Re5 $18) 54... Rh3 $11 55. h5 Kb5 56. h6 Kc6 $2 (56... Kc4 $11) 57. Kc2 $2 (57. Ke2 $18) 57... Kb7 58. h7 {aiming for Kd2.} Ka7 59. Kd2 {And now Ke2 would win.} Kb7 60. Ke2 Ka7 61. Kf2 Kb7 62. Kg2 Rh6 63. Kf3 Rh4 64. Kg3 (64. Ke3 {keeps more tension.} Rh3+ 65. Kd4 Rh2 66. Kd3 Rh3+ 67. Kc4) 64... Rh6 65. Kf4 {Hoping for Kg5.White has an edge.} Rh5 66. Kg4 Rh1 67. Kf5 {Strongly threatening Kg6.} Rf1+ 68. Ke6 Rh1 69. Kd5 {Black must now prevent Ke4.} Rh4 70. Ke5 {Kf6 is the strong threat.} Rh1 71. Ke4 {Black escapes into a draw. Weighted Error Value: White=0.24/Black=0.28} 1/2-1/2