CohenChessClub.com

[Event "July Chess Megatournament"] [Site "https://cohenchessclub.com/SjZO1UsR"] [Date "2022.07.23"] [White "David"] [Black "Matilda"] [Result "1/2-1/2"] [UTCDate "2022.07.23"] [UTCTime "20:31:28"] [WhiteElo "1501"] [BlackElo "1673"] [WhiteRatingDiff "+19"] [BlackRatingDiff "-2"] [BlackTitle "⛸"] [Variant "Standard"] [TimeControl "900+0"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 { C46 Three Knights Opening } 4. d3?! { (0.73 → -0.16) Inaccuracy. Nd5 was best. } (4. Nd5 Nf6) 4... d6 5. Be2 Bg4 6. Be3 Qe7?! { (0.21 → 0.73) Inaccuracy. Nf6 was best. } (6... Nf6 7. h3) 7. Qd2 O-O-O 8. O-O-O? { (0.54 → -0.65) Mistake. h3 was best. } (8. h3 Bxf3) 8... a6? { (-0.65 → 0.38) Mistake. Nf6 was best. } (8... Nf6 9. Kb1) 9. h3 Bh5 10. g4 Bg6 11. d4?? { (0.40 → -2.91) Blunder. a3 was best. } (11. a3 Bxc3) 11... exd4?? { (-2.91 → 1.78) Blunder. Nf6 was best. } (11... Nf6) 12. Nxd4 Nxd4 13. Bxd4 Nf6 14. Bxf6?? { (1.96 → -0.80) Blunder. f3 was best. } (14. f3 c5 15. Bg1 h5 16. g5 Ne8 17. Bh2 Nc7 18. Bc4 b5 19. Bd5 f6 20. h4 Be8) 14... Qxf6 15. h4? { (-0.82 → -2.36) Mistake. f3 was best. } (15. f3 Rhe8) 15... c5?? { (-2.36 → 0.55) Blunder. Bxe4 was best. } (15... Bxe4 16. g5) 16. g5 Qe5? { (0.45 → 1.61) Mistake. Qe6 was best. } (16... Qe6 17. Bf3 f6 18. h5 Bxc3 19. Qxc3 Bxe4 20. Rhe1 d5 21. Bxe4 dxe4 22. gxf6 gxf6 23. Qxc5+) 17. Qd5?? { (1.61 → -1.75) Blunder. f4 was best. } (17. f4 Bxc3) 17... Qe6?? { (-1.75 → 2.75) Blunder. Bxc3 was best. } (17... Bxc3 18. bxc3) 18. Qxe6+?? { (2.75 → 0.77) Blunder. h5 was best. } (18. h5) 18... fxe6 19. a3?? { (0.68 → -2.63) Blunder. h5 was best. } (19. h5 Bf7) 19... Bxc3 20. bxc3 Kb8?? { (-2.32 → -0.65) Blunder. Bxe4 was best. } (20... Bxe4 21. f3) 21. Rd2?? { (-0.65 → -3.06) Blunder. Bg4 was best. } (21. Bg4 e5 22. f3 h5 23. gxh6 Rxh6 24. h5 Bf7 25. a4 a5 26. Kb2 Rg8 27. Rdg1 Rgh8) 21... Bxe4 22. Rhd1 d5? { (-2.81 → -1.53) Mistake. Kc7 was best. } (22... Kc7 23. Bg4 Rhe8 24. f3 Bf5 25. Bxf5 exf5 26. a4 Kc6 27. c4 Re3 28. Rd3 Re2 29. R3d2) 23. f3 Bf5 24. c4 d4 25. c3? { (-2.08 → -4.14) Mistake. Re1 was best. } (25. Re1) 25... e5 26. f4?! { (-3.98 → -6.44) Inaccuracy. cxd4 was best. } (26. cxd4) 26... Rhe8?? { (-6.44 → -2.14) Blunder. e4 was best. } (26... e4 27. cxd4) 27. fxe5 Rxe5 28. cxd4 cxd4 29. c5?? { (-2.06 → -5.25) Blunder. Bd3 was best. } (29. Bd3 Bxd3) 29... Rc8 30. Rxd4?! { (-4.61 → -8.13) Inaccuracy. Kb2 was best. } (30. Kb2 Rcxc5 31. Bd3 Bxd3 32. Rxd3 Rb5+ 33. Ka2 Re2+ 34. R3d2 Rbe5 35. Rxe2 Rxe2+ 36. Kb3 Re3+) 30... Rcxc5+ 31. Bc4 Ra5?? { (-8.14 → -2.08) Blunder. b5 was best. } (31... b5 32. Rd5 Rxc4+ 33. Kb2 Re2+ 34. Ka1 Be6 35. Rd6 Kb7 36. h5 Rc3 37. Rxe6 Rxe6 38. h6) 32. Rd8+? { (-2.08 → -3.77) Mistake. Kb2 was best. } (32. Kb2 Re3 33. Rd5 Ra4 34. Bxa6 Be6 35. Rd8+ Ka7 36. Bd3 Rxh4 37. Rd2 Rh5 38. Rd6 Rxg5) 32... Kc7 33. R8d7+?? { (-3.73 → -9.05) Blunder. Kb2 was best. } (33. Kb2 Ra4) 33... Kb6?? { (-9.05 → -3.51) Blunder. Bxd7 was best. } (33... Bxd7 34. Kb2) 34. R7d6+ Ka7 35. Rxa6+?? { (-3.55 → -8.28) Blunder. Kb2 was best. } (35. Kb2 Ra4 36. R6d5 Re3 37. Rxf5 Rxc4 38. Rh1 Rg4 39. Rh2 Rgg3 40. a4 Rb3+ 41. Ka2 Ra3+) 35... Rxa6 36. Bxa6 bxa6 37. Kb2 Rb5+ 38. Ka2 a5 39. a4 Rb4 40. Ka3 Rxh4 41. Rc1?! { (-5.45 → -7.97) Inaccuracy. Rd5 was best. } (41. Rd5 g6) 41... Ka6?! { (-7.97 → -5.55) Inaccuracy. Kb6 was best. } (41... Kb6 42. Kb3) 42. Rc6+ Kb7 43. Rc5 Rh3+ 44. Kb2 Be4 45. Rxa5 Rh2+ 46. Kc3 Rg2 47. Rb5+ Kc6 48. Kc4 Rc2+ 49. Kb4 Rb2+ 50. Ka3?! { (-5.21 → -12.25) Inaccuracy. Kc3 was best. } (50. Kc3) 50... Rxb5 51. axb5+ Kxb5 52. Kb3 h6 53. Kc3 hxg5 54. Kd4 Bf3 55. Ke3 Bd5 56. Kf2 Kc5 57. Kg3 Be6 58. Kf3 Kd5 59. Kg3 Ke5 60. Kf3 g4+ 61. Kg3 g5 62. Kg2 Kf4 63. Kh2 g3+ 64. Kg2 g4 65. Kh1 Kf3 66. Kg1 Kf4 67. Kg2 Bd5+ 68. Kg1 g2 69. Kf2 g3+ 70. Kg1 Bc4 71. Kxg2 Bd5+ 72. Kg1 Kf3 73. Kf1 Ke3 74. Kg1 g2 75. Kh2 Kf2 76. Kh3 g1=Q 77. Kh4 Qh2+ 78. Kg5 Qf4+?? { (Mate in 4 → 0.00) Lost forced checkmate sequence. Qd6 was best. } (78... Qd6 79. Kf5 Kf3 80. Kg5 Bf7 81. Kf5 Qf4#) 79. Kh5?? { (0.00 → Mate in 1) Checkmate is now unavoidable. Kxf4 was best. } (79. Kxf4 Bc6 80. Ke5 Ke3 81. Kd6 Bf3 82. Ke6 Kd3 83. Kf7 Bc6 84. Kf6 Kd4 85. Kf7 Ke5) 79... Kg3 80. Kg6 Qe5 81. Kh6 Qf5 82. Kg7 Qe6 83. Kh7 Qf6?? { (Mate in 3 → 0.00) Lost forced checkmate sequence. Kf4 was best. } { Draw by stalemate. } (83... Kf4 84. Kg7 Kg5 85. Kf8 Qf7#) 1/2-1/2