CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/V9NQi34N"] [Date "2026.10.21"] [White "Jacob6"] [Black "Caleb5"] [Result "0-1"] [UTCDate "2026.10.21"] [UTCTime "13:59:44"] [WhiteElo "1463"] [BlackElo "1342"] [WhiteRatingDiff "-23"] [BlackRatingDiff "+18"] [WhiteTitle "GM"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Amazon Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Qd3? { (0.30 → -0.74) Mistake. c4 was best. } { D00 Amazon Attack } (2. c4 e6) 2... Bf5?? { (-0.74 → 8.15) Blunder. c5 was best. } (2... c5 3. Nf3 Nc6 4. c3 Nf6 5. g3 cxd4 6. cxd4 Qb6 7. Bg2 Bg4 8. O-O e6 9. Nc3) 3. Bf4?? { (8.15 → -9.04) Blunder. Qxf5 was best. } (3. Qxf5 e6 4. Qd3 c5 5. Nf3 Nf6 6. g3 cxd4 7. Nxd4 Bc5 8. e3 O-O 9. Bg2 e5) 3... Bxd3 4. cxd3 Nc6 5. a4 Nxd4 6. Ra3 Ne6 7. Bg3 Nc5 8. b4 Nxd3+ 9. exd3 c5 10. bxc5 b5?? { (-6.63 → -3.15) Blunder. Qa5+ was best. } (10... Qa5+ 11. Nd2) 11. Rb3?? { (-3.15 → -8.16) Blunder. d4 was best. } (11. d4 Qa5+ 12. Kd1 b4 13. Bb5+ Kd8 14. Ra1 a6 15. Bc6 Rc8 16. Bb7 b3 17. Nf3 Nf6) 11... bxa4 12. Ra3 a5? { (-8.67 → -4.07) Mistake. Qa5+ was best. } (12... Qa5+ 13. Nd2) 13. Rxa4?! { (-4.07 → -6.55) Inaccuracy. d4 was best. } (13. d4) 13... Qd7 14. Nc3?! { (-5.28 → -7.52) Inaccuracy. Ra1 was best. } (14. Ra1 e5) 14... d4 15. Ne4 Qxa4 16. Bc7 Qc6 17. Bxa5 Qxc5 18. Nxc5 Rxa5 19. Nb7 Ra8 20. Be2 e6 21. Bf3 Kd7? { (-8.88 → -4.60) Mistake. Bb4+ was best. } (21... Bb4+ 22. Kd1) 22. h4? { (-4.60 → -9.53) Mistake. Nc5+ was best. } (22. Nc5+ Bxc5 23. Bxa8 Ne7 24. Bf3 Rb8 25. Bd1 Ra8 26. Nh3 Bb4+ 27. Ke2 Ra1 28. Kf3 Nd5) 22... Kc7 23. Nc5 Kd6?? { (-8.00 → 0.18) Blunder. Ra1+ was best. } (23... Ra1+ 24. Ke2 Bxc5 25. g3 Nh6 26. Nh3 Ra2+ 27. Kf1 Nf5 28. Kg2 Ne3+ 29. Kh2 Rb8 30. Rc1) 24. Nb7+?? { (0.18 → -7.07) Blunder. Bxa8 was best. } (24. Bxa8 Kxc5 25. Nf3 Bd6 26. Ke2 Bf4 27. g3 Nf6 28. Ra1 Bc7 29. Ra6 Kb5 30. Bb7 Rd8) 24... Ke7 25. Bc6 Kf6 26. Rh3 Ne7 27. Be4 Ra7 28. Nc5 Rb7?? { (-7.46 → 5.07) Blunder. Nf5 was best. } (28... Nf5 29. Nb3 Ra3 30. g4 Rxb3 31. Kf1 h5 32. g5+ Ke7 33. Nf3 Kd6 34. Bxf5 Rb1+ 35. Kg2) 29. Nxb7 Ng6 30. Rf3+ Ke5?? { (4.77 → Mate in 3) Checkmate is now unavoidable. Ke7 was best. } (30... Ke7 31. Bxg6) 31. Rxf7 Nxh4 32. Nd8?? { (Mate in 1 → 2.66) Lost forced checkmate sequence. f4# was best. } (32. f4#) 32... Nxg2+?? { (2.66 → 11.15) Blunder. Bb4+ was best. } (32... Bb4+ 33. Kf1) 33. Bxg2?! { (11.15 → 6.42) Inaccuracy. Kf1 was best. } (33. Kf1 Be7 34. Nf3+ Kd6 35. Nb7+ Kc7 36. Rxe7+ Kb6 37. Kxg2 e5 38. Rxg7 h5 39. Nd6 h4) 33... Kd6?? { (6.42 → Mate in 2) Checkmate is now unavoidable. Bb4+ was best. } (33... Bb4+) 34. Nb7+ Ke5 35. Bh3 h5 36. Nc5?? { (Mate in 2 → 6.21) Lost forced checkmate sequence. f4+ was best. } (36. f4+ Kd5 37. Bg2#) 36... g5?! { (6.21 → 9.59) Inaccuracy. Bxc5 was best. } (36... Bxc5 37. Nf3+) 37. Bxe6?! { (9.59 → 5.09) Inaccuracy. Nd7+ was best. } (37. Nd7+ Kd6 38. Nxf8 g4 39. Bg2 h4 40. Rd7+ Kc5 41. Nxe6+ Kb6 42. Rd6+ Ka7 43. Kd2 Rh6) 37... h4?! { (5.09 → 6.87) Inaccuracy. Bxc5 was best. } (37... Bxc5 38. Bd7) 38. Rf5+ Kd6 39. Rd5+ Ke7 40. Rd7+ Kf6 41. Ne4+?! { (7.00 → 5.19) Inaccuracy. Rf7+ was best. } (41. Rf7+ Kg6 42. Ne4 Bb4+ 43. Kf1 Re8 44. Rf6+ Kg7 45. Rf5 Rxe6 46. Rxg5+ Kh6 47. Rg4 Be7) 41... Ke5?! { (5.19 → 15.92) Inaccuracy. Kxe6 was best. } (41... Kxe6 42. Ra7 g4 43. Ne2 Rh6 44. Kf1 g3 45. fxg3 hxg3 46. N2xg3 Bd6 47. Ra6 Kd7 48. Nf5) 42. Rd5+?? { (15.92 → 3.85) Blunder. Bf7 was best. } (42. Bf7 Kf4 43. Rd5 Bg7 44. Ne2+ Kg4 45. Rxg5+ Kh3 46. Ng1+ Kh2) 42... Kxe6 43. Nf3?? { (3.52 → -4.92) Blunder. Rxd4 was best. } (43. Rxd4 Be7) 43... Kxd5 44. Ned2?! { (-4.93 → -7.15) Inaccuracy. Nfxg5 was best. } (44. Nfxg5 h3 45. Nxh3 Rxh3 46. Kd2 Rh6 47. Kc2 Ra6 48. Kd1 Ra1+ 49. Kc2 Ke5 50. Nd2 Ra2+) 44... h3 45. Nh2 g4?! { (-9.52 → -6.33) Inaccuracy. Bb4 was best. } (45... Bb4) 46. Nxg4 Bh6?! { (-8.65 → -5.63) Inaccuracy. Bb4 was best. } (46... Bb4) 47. Nf6+?! { (-5.63 → -9.23) Inaccuracy. Nf3 was best. } (47. Nf3 Bf4 48. Nf6+ Ke6 49. Ne4 Ke7 50. Kf1 Ra8 51. Nc5 Ra3 52. Ke2 Ra2+ 53. Kf1 Rb2) 47... Ke5 48. Nd7+ Kf5 49. Nb6 Bxd2+ 50. Kxd2 h2 51. Ke2 h1=Q 52. Kd2 Qb7 53. Na4 Qa6 54. Nc5 Qa4?? { (Mate in 2 → -1.43) Lost forced checkmate sequence. Qa2+ was best. } (54... Qa2+ 55. Ke1 Rh1#) 55. Nxa4 Ra8 56. Nb6 Rb8 57. Nd7?? { (-0.67 → -4.54) Blunder. Nc4 was best. } (57. Nc4 Rf8) 57... Rd8?? { (-4.54 → -0.62) Blunder. Rb2+ was best. } (57... Rb2+ 58. Ke1 Rb5 59. Ke2 Ke6 60. Nf8+ Kf7 61. Nh7 Kg7 62. Kf3 Kxh7 63. Ke4 Rb4 64. Kd5) 58. Nb6? { (-0.62 → -1.85) Mistake. Nc5 was best. } (58. Nc5) 58... Rd6? { (-1.85 → -0.67) Mistake. Kf4 was best. } (58... Kf4 59. Nc4 Kf3 60. Na3 Rb8 61. Nc4 Ra8 62. Kd1 Ra2 63. Nd6 Ra3 64. Kd2 Kxf2 65. Nf5) 59. Nc4 Rc6 60. Na5 Rc5 61. Nc4 Kf4 62. Ke2 Kg4 63. f3+?? { (-0.45 → -2.12) Blunder. Nd2 was best. } (63. Nd2 Kf4 64. Nb3 Rc2+ 65. Nd2 Ke5 66. Ke1 Rc1+ 67. Ke2 Rc3 68. Nf3+ Kd5 69. Nd2 Ra3) 63... Kf5?! { (-2.12 → -1.28) Inaccuracy. Kf4 was best. } (63... Kf4 64. Kf2 Rc7 65. Ke2 Re7+ 66. Kd2 Kxf3 67. Kd1 Re2 68. Kc1 Re3 69. Kd2 Re8 70. Kd1) 64. Kf2 Kf4 65. Ne3?? { (-1.20 → Mate in 13) Checkmate is now unavoidable. Ke2 was best. } (65. Ke2 Rg5 66. Kd2 Rg2+ 67. Kd1 Rh2 68. Ke1 Ra2 69. Kf1 Kxf3 70. Ke1 Ra1+ 71. Kd2 Kf2) 65... Rc3?? { (Mate in 13 → 9.44) Lost forced checkmate sequence. dxe3+ was best. } (65... dxe3+ 66. Ke2 Rc2+ 67. Kd1 Rd2+ 68. Kc1 Kxf3 69. d4 Rxd4 70. Kb2 e2 71. Kc3 Rd6 72. Kb4) 66. Nd1?? { (9.44 → -66.31) Blunder. Nd5+ was best. } (66. Nd5+ Ke5 67. Nxc3 dxc3 68. Ke2 Kd4 69. f4 Kc5 70. Kd1 Kd5 71. Kc2 Kd4 72. f5 Ke5) 66... Rxd3?! { (-66.31 → -6.43) Inaccuracy. Rc2+ was best. } (66... Rc2+ 67. Ke1 Kxf3 68. Nf2 Re2+ 69. Kd1 Kxf2 70. Kc1 Kf3 71. Kb1 Ke3 72. Ka1 Kxd3 73. Kb1) 67. Ke2 Ra3 68. Kd2 Rxf3 69. Ke2 Rh3 70. Kf2 Rh1 71. Kg2?! { (-56.90 → Mate in 6) Checkmate is now unavoidable. Ke2 was best. } (71. Ke2 Rxd1 72. Kxd1 Ke3 73. Kc2 d3+ 74. Kc1 Ke2 75. Kb2 d2 76. Ka3 d1=Q 77. Ka2 Kd3) 71... Rxd1 72. Kh3 Ra1 73. Kh4 d3 74. Kh3 d2 75. Kg2 d1=Q 76. Kf2 Qb3 77. Ke2 Ra2+ 78. Ke1 Qb1# { Black wins by checkmate. } 0-1