CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ir6E4wCC"] [Date "2026.09.04"] [White "Islomjon"] [Black "Jenna"] [Result "0-1"] [UTCDate "2026.09.04"] [UTCTime "23:23:35"] [WhiteElo "1390"] [BlackElo "1481"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+8"] [WhiteTitle "🐣"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C48"] [Opening "Four Knights Game: Spanish Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 { C48 Four Knights Game: Spanish Variation } Bd6 5. Bxc6 dxc6 6. O-O Bg4 7. d3 h6 8. h3 Bh5 9. Be3 O-O? { (-0.63 → 0.88) Mistake. Qd7 was best. } (9... Qd7 10. d4) 10. Qd2?? { (0.88 → -2.21) Blunder. Kh1 was best. } (10. Kh1) 10... b6?? { (-2.21 → 0.93) Blunder. Bxf3 was best. } (10... Bxf3 11. gxf3 Nh5 12. Kh2 f5 13. Qe2 Qh4 14. Rg1 Rf6 15. Rg2 Raf8 16. Rag1 Kh7 17. Qd1) 11. Ne1?! { (0.93 → 0.26) Inaccuracy. g4 was best. } (11. g4 Bg6) 11... Bc5?? { (0.26 → 1.84) Blunder. Nh7 was best. } (11... Nh7 12. Ne2 Re8 13. g4 Bg6 14. Ng3 Nf8 15. Kh2 Ne6 16. Nf5 f6 17. Nf3 Bf8 18. Rg1) 12. Bxc5 bxc5 13. Na4?? { (1.55 → -0.45) Blunder. b3 was best. } (13. b3 Re8 14. g4 Bg6 15. Nf3 Qd6 16. Ne2 Nh7 17. Qa5 Nf8 18. Nd2 f6 19. f4 exf4) 13... Nd7?? { (-0.45 → 1.58) Blunder. Nxe4 was best. } (13... Nxe4 14. Qe3 Nf6 15. Nxc5 Re8 16. f3 Bg6 17. g4 Nd5 18. Qf2 Nf4 19. Kh2 Qd6 20. Ng2) 14. c3?! { (1.58 → 0.63) Inaccuracy. Qe3 was best. } (14. Qe3 Qe7) 14... Qf6?! { (0.63 → 1.34) Inaccuracy. f5 was best. } (14... f5) 15. b4? { (1.34 → -0.13) Mistake. g4 was best. } (15. g4 Bg6 16. b3 Qd6 17. Qe3 f6 18. f3 Bf7 19. h4 h5 20. Rf2 Kh7 21. Ng2 Rad8) 15... cxb4 16. cxb4 Nb6?? { (-0.34 → 1.43) Blunder. a5 was best. } (16... a5 17. Nc5 Nxc5 18. bxc5 Qg5 19. Qxg5 hxg5 20. g4 Bg6 21. h4 gxh4 22. Nf3 f6 23. Nxh4) 17. Nxb6?? { (1.43 → -0.35) Blunder. Nc5 was best. } (17. Nc5 Rfd8 18. Nc2 Nd7 19. Nb7 Rdb8 20. Na5 Rb6 21. a3 Nf8 22. Nc4 Ra6 23. f4 exf4) 17... axb6 18. Nc2 Rad8?! { (0.16 → 0.81) Inaccuracy. Rfd8 was best. } (18... Rfd8) 19. Ne3?! { (0.81 → -0.03) Inaccuracy. Rfc1 was best. } (19. Rfc1 Qd6 20. Ne3 Bg6 21. Qc3 Qxd3 22. Qxd3 Rxd3 23. Rxc6 Bxe4 24. Rxc7 Rd4 25. b5 Bd3) 19... Qg6? { (-0.03 → 1.07) Mistake. Rd4 was best. } (19... Rd4) 20. Nc4?? { (1.07 → -1.53) Blunder. Nf5 was best. } (20. Nf5) 20... Bf3 21. Ne3?? { (-1.50 → -4.38) Blunder. g3 was best. } (21. g3) 21... Qg5?? { (-4.38 → 0.00) Blunder. Bxe4 was best. } (21... Bxe4 22. Qb2 Rxd3 23. Rfd1 Rfd8 24. Rxd3 Rxd3 25. a4 f5 26. a5 f4 27. Ng4 h5 28. f3) 22. g4?? { (0.00 → -6.41) Blunder. Qc2 was best. } (22. Qc2 f5 23. exf5 Rxf5 24. Kh2 Rf6 25. gxf3 Qf4+ 26. Kh1 Qxf3+ 27. Kh2 Qf4+ 28. Kh1) 22... Qh4 23. Kh2 c5?? { (-6.31 → 0.34) Blunder. Bxe4 was best. } (23... Bxe4 24. Qc3 Bxd3 25. Ng2 Qf6 26. Rfd1 Be4 27. Qe3 Bf3 28. Rxd8 Rxd8 29. a4 e4 30. Rc1) 24. bxc5?? { (0.34 → -3.70) Blunder. Nf5 was best. } (24. Nf5 Qg5 25. Qxg5 hxg5 26. Ne7+ Kh8 27. Nc6 Rxd3 28. Nxe5 Ra3 29. Nxf3 Rxf3 30. bxc5 Ra3) 24... bxc5?? { (-3.70 → 0.35) Blunder. Bxe4 was best. } (24... Bxe4) 25. Nf5 Qf6?? { (0.25 → 3.81) Blunder. Qg5 was best. } (25... Qg5) 26. Kg3?? { (3.81 → -7.38) Blunder. Qe3 was best. } (26. Qe3) 26... Bxe4 27. dxe4 Rxd2 28. Rac1 Rxa2 29. Rxc5 Ra4 30. Rxc7 Rxe4 31. f3 Rf4 32. Ne3 h5 33. Nd5 Qg6?? { (-8.90 → -0.94) Blunder. Qd6 was best. } (33... Qd6 34. Nxf4 exf4+ 35. Kg2 Qxc7 36. g5 h4 37. Rf2 Qe5 38. Kf1 Qxg5 39. Rg2 Qd5 40. Kf2) 34. Nxf4?? { (-0.94 → -7.69) Blunder. Ne7+ was best. } (34. Ne7+) 34... exf4+ 35. Kxf4? { (-7.14 → Mate in 7) Checkmate is now unavoidable. Kg2 was best. } (35. Kg2) 35... hxg4? { (Mate in 7 → -8.14) Lost forced checkmate sequence. Qd6+ was best. } (35... Qd6+ 36. Kf5 Re8 37. Re7 Rxe7 38. gxh5 Qe5+ 39. Kg4 f5+ 40. Kg5 Qg3+ 41. Kxf5 Re5#) 36. hxg4? { (-8.14 → Mate in 5) Checkmate is now unavoidable. Rc5 was best. } (36. Rc5 Qd6+) 36... Re8?! { (Mate in 5 → -10.15) Lost forced checkmate sequence. Qd6+ was best. } (36... Qd6+ 37. Kf5 Re8 38. g5 Qg3 39. Rc5 g6+ 40. Kf6 Re6#) 37. Rh1?! { (-10.15 → Mate in 3) Checkmate is now unavoidable. g5 was best. } (37. g5 Qd6+) 37... Kf8?? { (Mate in 3 → Mate in 1) Lost forced checkmate sequence. Qd6+ was best. } (37... Qd6+ 38. Kg5 Qf6+ 39. Kh5 Qh6#) 38. Kg3?? { (Mate in 1 → -62.88) Lost forced checkmate sequence. Rh8# was best. } (38. Rh8#) 38... Kg8 39. f4?? { (-6.57 → Mate in 8) Checkmate is now unavoidable. Rd7 was best. } (39. Rd7 Qe6) 39... Qd3+ 40. Kh4 Qh7+ 41. Kg3 Qxh1 42. g5 Qf1 43. Kg4 Re4 44. g6 fxg6 45. Kg5 Qxf4+ 46. Kxg6 Qf6+ 47. Kh5 Qh4+ 48. Kg6 Qh6+ 49. Kf5 Qe6+ 50. Kg5 Qe7+?! { (Mate in 1 → -64.96) Lost forced checkmate sequence. Qg4# was best. } (50... Qg4#) 51. Kf5?! { (-64.96 → Mate in 2) Checkmate is now unavoidable. Rxe7 was best. } (51. Rxe7 Rxe7 52. Kf5 Kf7 53. Kg4 Kf6 54. Kh3 g5 55. Kg2 g4 56. Kg3 Rg7 57. Kf2 g3+) 51... Qxc7 52. Kxe4 Qf7 53. Ke5 g5 54. Ke4 g4 55. Ke3 g3 56. Kd4 g2 57. Kc5 g1=Q+ 58. Kc6 Qgg6+ 59. Kb5 Qff5+ 60. Kc4 Qgg4+ 61. Kb3 Qff3+ 62. Kc2 Qgg2+ 63. Kb1 Qff1# { Black wins by checkmate. } 0-1