CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/wL5rOOv4"] [Date "2026.05.24"] [White "Jaden3"] [Black "Grayson"] [Result "1/2-1/2"] [UTCDate "2026.05.24"] [UTCTime "17:07:32"] [WhiteElo "1500"] [BlackElo "1250"] [WhiteRatingDiff "-189"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nc6?! { (0.38 → 0.90) Inaccuracy. Nf6 was best. } { A40 Mikenas Defense } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 c5 6. cxd5 Qxd5 7. Bxf6 gxf6 8. e3) 2. c3?! { (0.90 → 0.14) Inaccuracy. d5 was best. } (2. d5 Ne5 3. Nc3 e6 4. f4 Ng6 5. dxe6 dxe6 6. Qxd8+ Kxd8 7. Nf3 Bd7 8. e4 Bc5) 2... Nf6 3. Bf4 d5 4. e3 e6 5. Bd3 Bd6 6. Bxd6 cxd6 7. Nf3 O-O 8. O-O e5 9. Bc2 Bg4 10. Qd3?? { (-1.20 → -7.85) Blunder. Qd2 was best. } (10. Qd2 Ne4) 10... g6?? { (-7.85 → -0.97) Blunder. e4 was best. } (10... e4 11. Qe2 exf3 12. gxf3 Be6 13. Kh1 Ne7 14. Rg1 Kh8 15. Nd2 g6 16. Nf1 Nh5 17. Ng3) 11. Ne1 Bf5 12. Qe2 exd4?? { (-0.79 → 2.68) Blunder. Bxc2 was best. } (12... Bxc2) 13. cxd4?? { (2.68 → 0.50) Blunder. Bxf5 was best. } (13. Bxf5) 13... Nb4?? { (0.50 → 3.34) Blunder. Re8 was best. } (13... Re8 14. Qd2) 14. Bxf5 gxf5 15. a3 Nc6 16. Nc3 Kh8 17. Nf3 Rg8 18. Ng5?? { (2.26 → -7.38) Blunder. g3 was best. } (18. g3 Ne7 19. Rac1 Rc8 20. Nb5 Rxc1 21. Rxc1 a6 22. Nc3 Qb6 23. Nh4 Rc8 24. f3 f4) 18... Qf8?? { (-7.38 → 2.15) Blunder. Rxg5 was best. } (18... Rxg5 19. Qb5 Qd7 20. Nxd5 Nxd5 21. Qxd5 Kg7 22. Rac1 Ne7 23. Qc4 Rc8 24. g3 Rxc4 25. Rxc4) 19. Nf3?! { (2.15 → 1.49) Inaccuracy. Nh3 was best. } (19. Nh3) 19... Re8 20. Qd3 Ng4?? { (1.43 → 4.05) Blunder. Qg7 was best. } (20... Qg7 21. g3) 21. Qxf5 Nh6?! { (4.62 → 6.09) Inaccuracy. Ne7 was best. } (21... Ne7 22. Qf4) 22. Ng5?? { (6.09 → -9.63) Blunder. Qxd5 was best. } (22. Qxd5 Qg7 23. g3 Qg4 24. Qxd6 Nf5 25. Qf4 Qxf4 26. exf4 Ncxd4 27. Nxd4 Nxd4 28. Rad1 Ne2+) 22... Nxf5 23. Nxf7+ Qxf7 24. e4?! { (-12.23 → Mate in 5) Checkmate is now unavoidable. Ne2 was best. } (24. Ne2 h5 25. Rfc1 h4 26. Rc3 Kg7 27. Nf4 Rgf8 28. Rb3 Re7 29. Nd3 a6 30. Rc1 a5) 24... dxe4?! { (Mate in 5 → -14.85) Lost forced checkmate sequence. Rxg2+ was best. } (24... Rxg2+ 25. Kxg2 Nh4+ 26. Kg3 Rg8+ 27. Kxh4 Qf4+ 28. Kh5 Qxh2#) 25. Nxe4 Ncxd4 26. Rac1 d5 27. g4 Ne7 28. Nd6?! { (-16.28 → Mate in 2) Checkmate is now unavoidable. Ng3 was best. } (28. Ng3) 28... Qe6?! { (Mate in 2 → -16.64) Lost forced checkmate sequence. Rxg4+ was best. } (28... Rxg4+ 29. Kh1 Qf3#) 29. Nxe8?! { (-16.64 → Mate in 2) Checkmate is now unavoidable. Kh1 was best. } (29. Kh1 Qxd6) 29... Rxe8?! { (Mate in 2 → -13.69) Lost forced checkmate sequence. Qxg4+ was best. } (29... Qxg4+ 30. Kh1 Qg2#) 30. g5?! { (-13.69 → Mate in 3) Checkmate is now unavoidable. h3 was best. } (30. h3 Ne2+) 30... Qg4+ 31. Kh1 Qxg5?! { (Mate in 2 → -12.29) Lost forced checkmate sequence. Qf3+ was best. } (31... Qf3+ 32. Kg1 Ne2#) 32. Rg1 Qd2 33. Rcd1 Qxf2 34. Rgf1?! { (-17.30 → Mate in 7) Checkmate is now unavoidable. Rg3 was best. } (34. Rg3 Nef5) 34... Qxb2?! { (Mate in 7 → -67.83) Lost forced checkmate sequence. Qe3 was best. } (34... Qe3 35. Rxd4 Qxd4 36. Rf3 Qe4 37. Kg2 Qe2+ 38. Kh3 Qxf3+ 39. Kh4 Rg8 40. h3 Nf5#) 35. Rg1 Qxa3 36. Rxd4?! { (-13.37 → Mate in 4) Checkmate is now unavoidable. Rg3 was best. } (36. Rg3 Qc5) 36... Qf3+ 37. Rg2 Qf1+ 38. Rg1 Qa6?! { (Mate in 4 → -12.87) Lost forced checkmate sequence. Qf3+ was best. } (38... Qf3+ 39. Rg2 Rg8 40. Rg4 Rxg4 41. h3 Qxg2#) 39. Rdg4 b5 40. h4 Nf5 41. h5 Qb6 42. Rg5?! { (-58.49 → Mate in 7) Checkmate is now unavoidable. Kh2 was best. } (42. Kh2 Ne3) 42... Rf8?! { (Mate in 7 → -77.87) Lost forced checkmate sequence. Qe3 was best. } (42... Qe3 43. Rg8+ Rxg8 44. Rxg8+ Kxg8 45. Kg2 Qe2+ 46. Kh3 Qf3+ 47. Kh2 Qf2+ 48. Kh3 Qg3#) 43. R1g2 b4 44. Rh2?! { (-24.06 → Mate in 8) Checkmate is now unavoidable. Ra2 was best. } (44. Ra2 Qe3) 44... b3 45. h6 Nxh6 46. Rxh6 b2?! { (Mate in 5 → -72.42) Lost forced checkmate sequence. Qxh6+ was best. } (46... Qxh6+ 47. Rh5 Qxh5+ 48. Kg2 b2 49. Kg3 b1=Q 50. Kg2 Qbg6#) 47. Rxb6 b1=Q+?? { (-74.13 → 4.84) Blunder. axb6 was best. } (47... axb6 48. Rg1 Rc8 49. Rf1 Rc1 50. Kg1 Rxf1+ 51. Kxf1 b1=Q+ 52. Ke2 d4 53. Kd2 Qe4 54. Kd1) 48. Rxb1 d4 49. Rd1 Rd8 50. Rf1 a5 51. Rf7 a4 52. Rgg7 a3 53. Rxh7+ Kg8 54. Rhg7+ Kh8?! { (6.23 → 53.23) Inaccuracy. Kh8 was best. } (54... Kh8 55. Rh7+ Kg8 56. Rfg7+ Kf8 57. Rd7 Rxd7 58. Rxd7 a2 59. Ra7 d3 60. Rxa2 Ke7 61. Kg2) 55. Kh2?? { (53.23 → 3.00) Blunder. Rh7+ was best. } (55. Rh7+ Kg8 56. Rfg7+ Kf8 57. Rd7 Rxd7 58. Rxd7 a2 59. Ra7 d3 60. Rxa2 Ke7 61. Kg2 Kd6) 55... a2 56. Ra7?? { (3.24 → 0.00) Blunder. Rh7+ was best. } (56. Rh7+ Kg8 57. Rfg7+ Kf8 58. Ra7 Kg8 59. Rhg7+ Kf8 60. Rg2 d3 61. Rd2 Rd4 62. Kg3 a1=B) 56... d3?? { (0.00 → 3.37) Blunder. a1=Q was best. } (56... a1=Q 57. Rh7+ Kg8 58. Rag7+ Kf8 59. Rf7+ Kg8 60. Rhg7+ Kh8 61. Rh7+) 57. Rxa2?? { (3.37 → -0.01) Blunder. Rg1 was best. } (57. Rg1 Rd5 58. Re1 Rd8 59. Kg3 Kg8 60. Rxa2 Kf7 61. Kf4 d2 62. Rd1 Ke6 63. Ra6+ Kf7) 57... d2 58. Ra1 Rd5?? { (0.00 → 3.45) Blunder. Kxg7 was best. } (58... Kxg7 59. Rd1 Kf6 60. Kg3 Ke5 61. Kf3 Rd3+ 62. Ke2 Ke4 63. Rxd2 Rh3 64. Kd1 Ra3 65. Ke2) 59. Rag1?? { (3.45 → 0.00) Blunder. Rgg1 was best. } (59. Rgg1 Rh5+ 60. Kg3 Kg7 61. Rg2 Rd5 62. Rd1 Kf6 63. Rgxd2 Rg5+ 64. Kh4 Re5 65. Rd6+ Ke7) 59... Rd4?? { (0.00 → 17.60) Blunder. Rh5+ was best. } (59... Rh5+ 60. Kg3 Kxg7 61. Kf2+ Kf6 62. Ke2 Rd5 63. Rd1 Ke5 64. Rxd2 Rxd2+ 65. Kxd2 Kd4 66. Kc2) 60. Rg8+ Kh7 61. Kh3?? { (59.16 → 0.00) Blunder. R8g3 was best. } (61. R8g3 Rh4+ 62. Rh3 Rh6 63. Kg3 Rh5 64. Rxh5+ Kg6 65. Rh6+ Kf7 66. Kf4 Ke8 67. Rd1 Kd7) 61... d1=Q 62. Rxd1 Rxd1 63. Rg3 Rh1+ 64. Kg2 Kh6?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Ra1 was best. } (64... Ra1 65. Kf3 Ra3+ 66. Kf4 Rxg3 67. Kxg3 Kg7 68. Kf3 Kf7 69. Ke3 Kg6 70. Kf4 Kf6 71. Ke4) 65. Kxh1 Kh7 66. Rg4 Kh6 67. Kh2 Kh5 68. Kh3 Kh6 69. Kh4 Kh7 70. Kh5 Kh8 71. Rg6 Kh7 72. Kg5 Kh8 73. Kh6 { Draw by stalemate. } 1/2-1/2