CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/iEBDbCoF"] [Date "2024.10.23"] [White "Ioana"] [Black "LuNa"] [Result "0-1"] [UTCDate "2024.10.23"] [UTCTime "20:27:47"] [WhiteElo "896"] [BlackElo "831"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+18"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C23"] [Opening "Bishop's Opening: Boi Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4?! { (0.60 → -0.05) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... Bc5 { C23 Bishop's Opening: Boi Variation } 3. Nf3 Nf6? { (0.38 → 1.72) Mistake. Nc6 was best. } (3... Nc6 4. O-O Nf6 5. d3 h6 6. c3 d6 7. Re1 O-O 8. h3 a6 9. Nbd2 Be6 10. Bb3) 4. O-O? { (1.72 → 0.32) Mistake. Nxe5 was best. } (4. Nxe5 O-O) 4... O-O 5. Nh4?? { (0.55 → -4.43) Blunder. Nxe5 was best. } (5. Nxe5 d6 6. Nxf7 Rxf7 7. d4 Bb6 8. Bxf7+ Kxf7 9. f3 Kg8 10. c3 Qe8 11. Bg5 Nc6) 5... Nxe4 6. Re1?? { (-3.96 → -9.94) Blunder. d4 was best. } (6. d4 exd4 7. Qh5 d6 8. Nf3 Nc6 9. Bg5 Qd7 10. Bd3 f5 11. Nbd2 Qe8 12. Qxe8 Rxe8) 6... Bxf2+ 7. Kf1 Bxe1 8. Kxe1 Qxh4+ 9. Ke2?! { (-14.32 → Mate in 7) Checkmate is now unavoidable. g3 was best. } (9. g3 Nxg3 10. Qf3 Nh5+ 11. Qf2 Qxc4 12. d3 Qc6 13. Nc3 d6 14. Be3 Nf6 15. Qg1 Bg4) 9... Ng3+? { (Mate in 7 → -9.76) Lost forced checkmate sequence. Qf2+ was best. } (9... Qf2+ 10. Kd3 Nc5+ 11. Kc3 Qd4+ 12. Kb4 Nc6+ 13. Ka3 Qxc4 14. b3 Qb4+ 15. Kb2 Na4#) 10. Kf2 Qf4+ 11. Ke1 Qf1+?? { (-11.72 → 5.86) Blunder. Nh1 was best. } (11... Nh1 12. Qe2) 12. Bxf1 e4?! { (5.30 → 8.15) Inaccuracy. Nxf1 was best. } (12... Nxf1 13. Kxf1 Nc6 14. b4 Nxb4 15. Nc3 b6 16. Ba3 a5 17. Kg1 Bb7 18. Rb1 c5 19. Bb2) 13. d3 e3 14. Bxe3 Re8 15. hxg3 Rxe3+ 16. Kd2 Rxg3 17. Be2 Rxd3+ 18. Kxd3 d5 19. c4 dxc4+ 20. Kxc4 Be6+ 21. Kd4 Nc6+ 22. Ke4 f5+ 23. Kf4 g5+ 24. Kg3 f4+ 25. Kf3 Bd5+ 26. Kf2 Bb3 27. Qd5+?? { (14.75 → -6.83) Blunder. Qxb3+ was best. } (27. Qxb3+) 27... Kg7?? { (-6.83 → 15.50) Blunder. Bxd5 was best. } (27... Bxd5 28. Nc3) 28. Qd7+ Kf6 29. Qxc6+ Kf5 30. a4?? { (18.22 → 1.83) Blunder. Bd3+ was best. } (30. Bd3+) 30... Ke5?? { (1.83 → 15.09) Blunder. bxc6 was best. } (30... bxc6) 31. a5?? { (15.09 → 2.49) Blunder. Qc3+ was best. } (31. Qc3+) 31... Kd4?? { (2.49 → Mate in 6) Checkmate is now unavoidable. bxc6 was best. } (31... bxc6 32. Nd2 Bd5 33. Rh1 Rb8 34. b3 Rg8 35. Rxh7 g4 36. Rxc7 Kd4 37. Bc4 Re8 38. Bxd5) 32. Ra4+?! { (Mate in 6 → 17.60) Lost forced checkmate sequence. Qf6+ was best. } (32. Qf6+ Kc5 33. Qe5+ Bd5 34. Qxc7+ Bc6 35. Qe7+ Kd5 36. Nc3+ Kd4 37. Rd1#) 32... Ke5 33. Rb4 Kf5? { (7.60 → Mate in 3) Checkmate is now unavoidable. bxc6 was best. } (33... bxc6) 34. Rd4?? { (Mate in 3 → 3.20) Lost forced checkmate sequence. Rb5+ was best. } (34. Rb5+ Bd5 35. Rxd5+ Ke4 36. Nd2#) 34... Ke5?? { (3.20 → Mate in 7) Checkmate is now unavoidable. bxc6 was best. } (34... bxc6 35. Rb4) 35. Rd2?? { (Mate in 7 → 2.32) Lost forced checkmate sequence. Qxc7+ was best. } (35. Qxc7+ Kf6 36. Rd6+ Be6 37. Rxe6+ Kxe6 38. Bc4+ Kf6 39. Qf7+ Ke5 40. Qe6+ Kd4 41. Qd5#) 35... Kf5?? { (2.32 → Mate in 5) Checkmate is now unavoidable. bxc6 was best. } (35... bxc6 36. Nc3) 36. Bg4+ Kxg4 37. g3?? { (Mate in 4 → -7.55) Lost forced checkmate sequence. Qd7+ was best. } (37. Qd7+ Be6 38. Qd3 Kh5 39. Qxh7+ Kg4 40. Qh3#) 37... Kh3?? { (-7.55 → Mate in 3) Checkmate is now unavoidable. fxg3+ was best. } (37... fxg3+ 38. Kg2 bxc6 39. Rd4+ Kf5 40. Rd7 h5 41. Kxg3 h4+ 42. Kh2 Rb8 43. Nc3 Be6 44. Rxc7) 38. Rd6?? { (Mate in 3 → -8.44) Lost forced checkmate sequence. Qd7+ was best. } (38. Qd7+ Be6 39. Qxe6+ g4 40. Qh6#) 38... fxg3+ 39. Kg1 g2?? { (-9.04 → Mate in 2) Checkmate is now unavoidable. bxc6 was best. } (39... bxc6 40. Rh6+ Kg4 41. Nd2 Bg8 42. Nf1 Re8 43. Rxc6 h5 44. Nxg3 Kxg3 45. Rc3+ Kh4 46. b4) 40. Rd1?? { (Mate in 2 → 0.00) Lost forced checkmate sequence. Qxg2+ was best. } (40. Qxg2+ Kh4 41. Rh6#) 40... Kg3?? { (0.00 → 13.01) Blunder. bxc6 was best. } (40... bxc6 41. Rd3+ Kg4 42. Rxb3 Rd8 43. Kxg2 Rd5 44. Rg3+ Kf5 45. Rf3+ Kg4) 41. Rd3+ Kh4 42. Re3?? { (Mate in 8 → 0.00) Lost forced checkmate sequence. Qh6+ was best. } (42. Qh6+ Kg4 43. Rxb3 Kf5 44. Rf3+ Ke4 45. Qf6 Kd5 46. Qf5+ Kc6 47. Rd3 Rd8 48. Rxd8 b6) 42... g4?? { (0.00 → Mate in 1) Checkmate is now unavoidable. bxc6 was best. } (42... bxc6 43. Rxb3 Re8 44. Nc3 Re5 45. Ra3 Re3 46. Kxg2 g4 47. a6 Rg3+ 48. Kh2 Rh3+ 49. Kg1) 43. Re4?? { (Mate in 1 → -8.39) Lost forced checkmate sequence. Qh6# was best. } (43. Qh6#) 43... Kh3?? { (-8.39 → Mate in 2) Checkmate is now unavoidable. bxc6 was best. } (43... bxc6 44. Nc3 Bd5 45. Nxd5 cxd5 46. Re7 h5 47. Kxg2 Rb8 48. Rxc7 Rxb2+ 49. Kf1 Kh3 50. Rxa7) 44. Qc3+ Kh4 45. Qxb3 Kg5 46. Qf7 Kh4 47. Qg8?? { (Mate in 3 → -0.43) Lost forced checkmate sequence. Qf4 was best. } (47. Qf4 h5 48. Re5 Kh3 49. Rxh5#) 47... Kh3?? { (-0.43 → Mate in 1) Checkmate is now unavoidable. Rxg8 was best. } (47... Rxg8 48. Kxg2 Rd8 49. Nc3 h5 50. Re2 Rd4 51. Re4 Rd2+ 52. Re2 Rxe2+ 53. Nxe2 Kg5 54. Nd4) 48. Rxg4? { (Mate in 1 → 9.19) Lost forced checkmate sequence. Qxg4# was best. } (48. Qxg4#) 48... Rxg8 49. Rxg8 h5? { (8.90 → Mate in 5) Checkmate is now unavoidable. Kh4 was best. } (49... Kh4 50. Rxg2) 50. Rf8? { (Mate in 5 → 7.82) Lost forced checkmate sequence. Nd2 was best. } (50. Nd2 a6 51. Rxg2 b6 52. Nf3 bxa5 53. Kf2 a4 54. Rg3#) 50... h4? { (7.82 → Mate in 4) Checkmate is now unavoidable. Kg3 was best. } (50... Kg3 51. Nd2) 51. Rf3+? { (Mate in 4 → 8.47) Lost forced checkmate sequence. Rg8 was best. } (51. Rg8 c5 52. Nc3 b6 53. Ne4 bxa5 54. Nf2#) 51... Kg4 52. Rf2 Kg3 53. Re2 Kf3 54. Re3+?? { (7.75 → -0.56) Blunder. Rf2+ was best. } (54. Rf2+ Ke4 55. Rf7 h3 56. Rxc7 b5 57. Rh7 Kd4 58. Rxh3 b4 59. Rh7 a6 60. Rh6 b3) 54... Kxe3 55. Nd2?? { (-0.86 → -13.88) Blunder. Kxg2 was best. } (55. Kxg2 Kd3 56. Nc3 Kc2 57. Nb5 c5 58. Kh3 Kxb2 59. Nxa7 c4 60. Nc6 c3 61. Nb4 Kb3) 55... Ke2?? { (-13.88 → -1.72) Blunder. Kxd2 was best. } (55... Kxd2) 56. b4?? { (-1.72 → -10.81) Blunder. Ne4 was best. } (56. Ne4 Kf3 57. Ng5+ Kf4 58. Ne6+ Kg3 59. Nd4 h3 60. Ne2+ Kf3 61. Nd4+ Ke3 62. Ne6 b5) 56... Kxd2 57. Kxg2 Ke2 58. b5 Ke3 59. b6 Kf4?? { (-62.75 → 57.77) Blunder. axb6 was best. } (59... axb6 60. Kh3 bxa5 61. Kxh4 a4 62. Kg5 a3 63. Kf6 a2 64. Ke6 a1=Q 65. Kd7 c5 66. Kd8) 60. bxc7 b6 61. c8=Q bxa5 62. Qf8+ Ke3 63. Qf7 a4 64. Qe7+ Kd3 65. Qc5 a3 66. Qe5 Kc4 67. Qd5+?? { (58.92 → Mate in 15) Checkmate is now unavoidable. Qc7+ was best. } (67. Qc7+ Kd5) 67... Kxd5 68. Kf3 Kc4 69. Ke4 Kb4 70. Ke5 a2 71. Ke6 Ka3 72. Ke7 a1=Q 73. Ke8 Qe1+ 74. Kd8 a5 75. Kd7 a4 76. Kd6 Kb4 77. Kc6 a3 78. Kc7 a2 79. Kc8 a1=Q 80. Kb8 Qec1 81. Kb7 Kb3 82. Kb6 Kb2 83. Kb5 Kb1 84. Kb4 h3 85. Kb3 h2 86. Kb4 h1=Q 87. Kb5 Qg2 88. Kb6 Qgb2# { Black wins by checkmate. } 0-1