CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Q96HPe73"] [Date "2026.02.14"] [White "Eli4"] [Black "Abigail1"] [Result "0-1"] [UTCDate "2026.02.14"] [UTCTime "00:22:54"] [WhiteElo "749"] [BlackElo "1029"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 e6 { A40 Horwitz Defense } 2. e3 c5 3. Nc3?! { (0.39 → -0.34) Inaccuracy. d5 was best. } (3. d5 exd5 4. Ne2 Nf6 5. g3 Nc6 6. Nbc3 g6 7. Bg2 d6 8. O-O Bg7 9. Nxd5 Nxd5) 3... cxd4?! { (-0.34 → 0.54) Inaccuracy. d5 was best. } (3... d5) 4. Nf3?? { (0.54 → -8.99) Blunder. exd4 was best. } (4. exd4 Nf6 5. Bd3 b6 6. Qf3 Nc6 7. Nge2 Bb7 8. O-O Be7 9. a3 Na5 10. Qh3 a6) 4... dxc3 5. Ng5 Bc5 6. Nxf7 Qh4?? { (-9.59 → -3.88) Blunder. cxb2 was best. } (6... cxb2 7. Bxb2) 7. Nxh8 d5?? { (-4.03 → -0.69) Blunder. cxb2 was best. } (7... cxb2 8. Bxb2 Qb4+ 9. c3 Qxb2 10. Rc1 Nc6 11. Bd3 Nf6 12. O-O b6 13. Qf3 Qxa2 14. Bxh7) 8. Ng6?? { (-0.69 → -6.37) Blunder. b4 was best. } (8. b4 Bxb4 9. Bd3 Nf6 10. g3 Qh3 11. Bf1 Qg4 12. Be2 Qg5 13. h4 Qe5 14. g4 Nc6) 8... d4?? { (-6.37 → 13.48) Blunder. cxb2 was best. } (8... cxb2 9. Bb5+) 9. Ne5?? { (13.48 → 0.95) Blunder. Nxh4 was best. } (9. Nxh4 cxb2) 9... dxe3?! { (0.95 → 2.01) Inaccuracy. cxb2 was best. } (9... cxb2 10. Bxb2) 10. Nc6?? { (2.01 → Mate in 1) Checkmate is now unavoidable. Bb5+ was best. } (10. Bb5+ Ke7 11. O-O exf2+ 12. Kh1 Nf6 13. b4 Bb6 14. a4 a6 15. Bd3 Bd7 16. a5 Ba7) 10... exf2+ 11. Ke2 Qd4?? { (Mate in 2 → 11.74) Lost forced checkmate sequence. Qe4+ was best. } (11... Qe4+ 12. Be3 Qxe3#) 12. Kf3?? { (11.74 → -24.04) Blunder. Nxd4 was best. } (12. Nxd4 cxb2 13. Bxb2 Nf6 14. Qd3 Na6 15. Qg3 Kf8 16. Rb1 Nb4 17. Qxf2 Nxa2 18. Qg3 Ne4) 12... Qe3+?? { (-24.04 → 12.21) Blunder. Qxd1+ was best. } (12... Qxd1+) 13. Kg4?? { (12.21 → Mate in 2) Checkmate is now unavoidable. Bxe3 was best. } (13. Bxe3) 13... Nf6+ 14. Kh4 Qe5?? { (Mate in 1 → Mate in 2) Lost forced checkmate sequence. g5# was best. } (14... g5#) 15. Kh3?? { (Mate in 2 → -12.79) Lost forced checkmate sequence. Qd8+ was best. } (15. Qd8+ Kf7 16. Nxe5#) 15... Qh5+?? { (-12.79 → -1.02) Blunder. Nxc6 was best. } (15... Nxc6) 16. Kg3?? { (-1.02 → Mate in 2) Checkmate is now unavoidable. Qxh5+ was best. } (16. Qxh5+ Nxh5 17. Ne5 Nd7 18. Nd3 e5 19. g4 Nf4+ 20. Bxf4 cxb2 21. Rb1 exf4 22. Rxb2 Be3) 16... Ne4+ 17. Kf4 Bd6+?! { (Mate in 1 → -12.16) Lost forced checkmate sequence. Qf5# was best. } (17... Qf5#) 18. Kxe4 Qe5+?? { (-13.37 → 16.35) Blunder. Qxd1 was best. } (18... Qxd1 19. Nd4) 19. Kd3?? { (16.35 → -12.04) Blunder. Nxe5 was best. } (19. Nxe5 Bxe5 20. Qh5+ Kf8 21. Qxe5 Bd7 22. Kf3 Bc6+ 23. Kxf2 Nd7 24. Qxe6 Re8 25. Qd6+ Kg8) 19... Qd5+?? { (-12.04 → -0.21) Blunder. bxc6 was best. } (19... bxc6) 20. Kxc3?? { (-0.21 → -10.91) Blunder. Nd4 was best. } (20. Nd4 e5) 20... Qc5+?? { (-10.91 → -1.85) Blunder. Qxd1 was best. } (20... Qxd1 21. Nxb8) 21. Kb3?? { (-1.85 → -4.00) Blunder. Kd3 was best. } (21. Kd3 Nxc6) 21... Qb4+?? { (-4.00 → 16.76) Blunder. e5 was best. } (21... e5) 22. Nxb4 Nc6 23. Kc3 Nxb4 24. Kc4 Bd7 25. Kd4 Bc6 26. Qd3?! { (11.66 → 5.13) Inaccuracy. a3 was best. } (26. a3 O-O-O) 26... Nxd3 27. cxd3 b6 28. Kc4?? { (6.44 → 2.92) Blunder. Ke3 was best. } (28. Ke3 h5) 28... Bd5+?! { (2.92 → 4.56) Inaccuracy. Rc8 was best. } (28... Rc8) 29. Kc3 Rc8+ 30. Kd2 e5?! { (3.94 → 5.53) Inaccuracy. h5 was best. } (30... h5 31. Kd1) 31. Ke2 e4?! { (4.90 → 6.43) Inaccuracy. Be7 was best. } (31... Be7 32. Kxf2) 32. Ke3 exd3 33. Kxd3 Be5 34. Kd2?! { (5.14 → 3.92) Inaccuracy. Ke3 was best. } (34. Ke3) 34... Be4?! { (3.92 → 5.84) Inaccuracy. Kf7 was best. } (34... Kf7 35. Ke3) 35. Ke2?! { (5.84 → 4.32) Inaccuracy. Ke3 was best. } (35. Ke3 Bf5 36. Bb5+ Kf7 37. Rf1 Kg8 38. Kxf2 Bg6 39. Be2 Rf8+ 40. Bf3 Be4) 35... Rc2+ 36. Kd1?! { (5.23 → 3.51) Inaccuracy. Ke3 was best. } (36. Ke3 Bg6 37. Bb5+ Ke7 38. Kf3 Rc5 39. a4 a6 40. Bxa6 Bd4 41. Bf4 Be8 42. Rad1 Bc6+) 36... Bf4?? { (3.51 → 8.80) Blunder. Rc7 was best. } (36... Rc7 37. a4) 37. Bd3?? { (8.80 → 0.00) Blunder. Bxf4 was best. } (37. Bxf4 Rxb2 38. Be5 Rc2 39. h4 Kf7 40. Bd4 Rc6 41. Bxf2 Rc2 42. Ke1 Bf5 43. Rg1 Be6) 37... Bxc1?? { (0.00 → 8.18) Blunder. Bxd3 was best. } (37... Bxd3 38. Bxf4 Rxb2 39. Kc1 Rc2+ 40. Kd1) 38. Kxc2 Bxd3+ 39. Kxd3 g5 { Black offers draw } 40. Raxc1 g4 41. Rc8+ Kd7 42. Rc4 b5 43. Rd4+ Kc6 44. Rc1+ Kb6 45. Rd6+ Ka5?! { (63.72 → Mate in 4) Checkmate is now unavoidable. Kb7 was best. } (45... Kb7 46. Rh6) 46. Rd4?! { (Mate in 4 → 57.11) Lost forced checkmate sequence. Kc3 was best. } (46. Kc3 b4+ 47. Kb3 Kb5 48. Rcd1 g3 49. R1d5#) 46... Kb6 47. Rb4 h5 48. Rcc4?? { (15.61 → -5.77) Blunder. Rf4 was best. } (48. Rf4 a5 49. Rf6+ Ka7 50. Rh6 a4 51. Rxh5 g3 52. hxg3 Ka6 53. Rf1 Kb6 54. Rxf2 Kc6) 48... f1=Q+ 49. Kd2 a5 50. Re4 axb4 51. Re6+ Kc5 52. b3 Qg1 53. a4 Qxh2 54. axb5 Qxg2+ 55. Ke3? { (-8.73 → Mate in 11) Checkmate is now unavoidable. Re2 was best. } (55. Re2 Qg3) 55... h4? { (Mate in 11 → -8.50) Lost forced checkmate sequence. Qf3+ was best. } (55... Qf3+ 56. Kd2 Qd5+ 57. Ke3 Qxe6+ 58. Kf4 Kxb5 59. Kg3 Qxb3+ 60. Kf4 g3 61. Ke4 g2 62. Ke5) 56. b6 h3 57. b7 Qxb7 58. Re5+ Kd6 59. Re4 g3 60. Rd4+ Kc5 61. Rxb4?! { (-16.80 → Mate in 5) Checkmate is now unavoidable. Rf4 was best. } (61. Rf4 Qe7+) 61... Kxb4 62. Kd4 g2 63. Kd3 g1=Q 64. Ke2 h2 65. Kd2 h1=Q 66. Kc2 Qbf3 67. Kd2 Qhh2# { Black wins by checkmate. } 0-1