CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/AUlDZgvh"] [Date "2026.01.17"] [White "Islomjon"] [Black "Nathan4"] [Result "1-0"] [UTCDate "2026.01.17"] [UTCTime "00:18:47"] [WhiteElo "1313"] [BlackElo "1343"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-13"] [WhiteTitle "GM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C49"] [Opening "Four Knights Game: Double Spanish"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 { C49 Four Knights Game: Double Spanish } 5. Bxc6 Bxc3?! { (-0.03 → 0.72) Inaccuracy. dxc6 was best. } (5... dxc6) 6. dxc3?! { (0.72 → 0.00) Inaccuracy. Bxd7+ was best. } (6. Bxd7+ Qxd7 7. bxc3 Nxe4 8. Qe2 Qf5 9. O-O Nd6 10. Nd4 Qe4 11. Qxe4 Nxe4 12. Re1 exd4) 6... dxc6?? { (0.00 → 3.18) Blunder. bxc6 was best. } (6... bxc6 7. Nxe5 Qe7 8. Ng4 Qxe4+ 9. Ne3 O-O 10. O-O d6 11. Re1 Qg6 12. b3 Re8 13. Bb2) 7. Qxd8+ Kxd8 8. O-O?? { (2.65 → 0.09) Blunder. Nxe5 was best. } (8. Nxe5 Re8) 8... Bg4?? { (0.09 → 3.10) Blunder. Nxe4 was best. } (8... Nxe4 9. Rd1+ Nd6 10. Nxe5 Ke7 11. Re1 Kf8 12. Bf4 f6 13. Nd3 Kf7 14. Rad1 Rd8 15. Nc5) 9. Nxe5 Ke7? { (3.07 → 5.15) Mistake. Be6 was best. } (9... Be6 10. f3 a5 11. b3 a4 12. c4 axb3 13. Rd1+ Kc8 14. cxb3 Nd7 15. Nxd7 Bxd7 16. Bb2) 10. Nxg4?! { (5.15 → 3.77) Inaccuracy. Bg5 was best. } (10. Bg5) 10... Nxg4 11. h3 Ne5 12. Bg5+?! { (2.99 → 2.26) Inaccuracy. f4 was best. } (12. f4 Nd7) 12... f6 13. Bf4 g5?! { (2.26 → 2.95) Inaccuracy. Rad8 was best. } (13... Rad8 14. Rfd1) 14. Bxe5?! { (2.95 → 2.03) Inaccuracy. Bg3 was best. } (14. Bg3) 14... fxe5 15. Rae1 Rad8 16. Rd1 Rxd1?! { (1.86 → 2.78) Inaccuracy. Rhf8 was best. } (16... Rhf8) 17. Rxd1 b5 18. b3 a5 19. b4?? { (2.24 → -0.21) Blunder. Rd3 was best. } (19. Rd3 a4 20. Rg3 h6 21. h4 Kf6 22. hxg5+ hxg5 23. Rh3 Rd8 24. Rh6+ Ke7 25. Rxc6 Rd1+) 19... axb4 20. cxb4 Ra8 21. c3? { (-0.04 → -1.22) Mistake. c4 was best. } (21. c4) 21... h5? { (-1.22 → 0.00) Mistake. Rxa2 was best. } (21... Rxa2) 22. g4 h4 23. Kg2 Kf6?! { (-0.32 → 0.27) Inaccuracy. Rxa2 was best. } (23... Rxa2 24. Rd3 Ra3 25. Kf1 c5 26. Rd5 Rxc3 27. Rxe5+ Kf6 28. Rf5+ Ke6 29. Rxg5 cxb4 30. Rxb5) 24. Rd7 Rxa2?? { (0.09 → 2.16) Blunder. Ra3 was best. } (24... Ra3 25. Rxc7 Rxc3 26. Rh7 Rc2 27. Rh8 Kf7 28. Rh6 Rc4 29. a3 Rc2 30. Rh7+ Kf6 31. Rd7) 25. Rxc7 Re2?? { (2.29 → 6.46) Blunder. Ra6 was best. } (25... Ra6 26. Rh7 Ke6 27. Rh6+ Kf7 28. Rd6 Rb6 29. Kf3 Ra6 30. Ke3 Rb6 31. Ke2 Ra6 32. Kf3) 26. Rxc6+ Kg7 27. Rc5 Rxe4 28. Rxb5 Kf6 29. f3? { (6.48 → 3.27) Mistake. Kf1 was best. } (29. Kf1 Ke6) 29... Re2+ 30. Kf1?? { (3.37 → 0.90) Blunder. Kg1 was best. } (30. Kg1) 30... Rh2?! { (0.90 → 1.80) Inaccuracy. Re3 was best. } (30... Re3 31. Rb6+ Kf7 32. Rc6 Rxf3+ 33. Kg2 Rg3+ 34. Kh2 e4 35. Rc4 Rd3 36. Kg2 e3 37. Kf3) 31. Rb6+ Ke7 32. Rb7+?! { (2.22 → 1.61) Inaccuracy. Rc6 was best. } (32. Rc6 Rxh3 33. Kf2 e4 34. fxe4 Rg3 35. b5 Rxg4 36. b6 Rf4+ 37. Ke3 Rf8 38. b7 Kd7) 32... Ke6 33. Ke1?? { (2.03 → 0.00) Blunder. Rb8 was best. } (33. Rb8 Kd7 34. Rg8 Rxh3 35. Kf2 e4 36. fxe4 Rxc3 37. Rxg5 Rc4 38. Kf3 Rxb4 39. Rh5 Rb3+) 33... Rxh3 34. Ke2 Rh2+?! { (0.00 → 0.81) Inaccuracy. e4 was best. } (34... e4 35. Rb6+ Ke5 36. Rb5+ Kf4 37. Rf5+ Kg3 38. Ke3 Rh1 39. Kxe4 h3 40. Rxg5 Re1+ 41. Kd5) 35. Ke3 h3?? { (0.95 → 2.94) Blunder. Rc2 was best. } (35... Rc2 36. Kd3) 36. Ke4?? { (2.94 → -0.20) Blunder. Rh7 was best. } (36. Rh7) 36... Re2+ 37. Kd3 Rf2 38. Ke4 h2?? { (0.00 → 4.00) Blunder. Re2+ was best. } (38... Re2+ 39. Kd3 Rf2 40. Rb6+ Kf7 41. Ke4 Kg7 42. Rb7+ Kg6 43. Rb8 Kg7 44. Ra8 Rc2 45. Kd3) 39. Rh7?! { (4.00 → 2.56) Inaccuracy. Rb6+ was best. } (39. Rb6+) 39... Kf6? { (2.56 → 4.09) Mistake. Re2+ was best. } (39... Re2+ 40. Kd3 Rb2 41. Rh6+ Kf7 42. Ke4 Kg7 43. Rh5 Kf6 44. b5 Rxb5 45. Rh6+ Ke7 46. Rxh2) 40. Rh8?? { (4.09 → 1.03) Blunder. b5 was best. } (40. b5) 40... Re2+ 41. Kd3 Ra2?? { (1.02 → 4.75) Blunder. Rf2 was best. } (41... Rf2 42. Rh3 Kg6 43. Kc4 e4 44. fxe4 Kf6 45. Kd4 Rd2+ 46. Ke3 Rc2 47. Kd3 Rg2 48. Rh8) 42. Kc4?? { (4.75 → 1.39) Blunder. c4 was best. } (42. c4 Kg7) 42... Ke6?? { (1.39 → 5.05) Blunder. e4 was best. } (42... e4 43. fxe4 Ke5 44. Kb3 Rf2 45. c4 Kf4 46. c5 Kxg4 47. c6 Rf3+ 48. Ka4 Rh3 49. Rxh3) 43. Kb3?? { (5.05 → 1.43) Blunder. Rh6+ was best. } (43. Rh6+ Kf7 44. Kd5 Kg7 45. Rh3 Kf6 46. b5 Rd2+ 47. Kc5 e4 48. fxe4 Ke5 49. b6 Rb2) 43... Kd5?? { (1.43 → 56.59) Blunder. Rf2 was best. } (43... Rf2 44. Rh6+) 44. Kxa2 e4 45. fxe4+ Kxe4 46. Rxh2 Kf4 47. c4 Ke5 48. Rd2 Ke6?! { (72.12 → Mate in 9) Checkmate is now unavoidable. Kf4 was best. } (48... Kf4 49. Rd4+ Ke3 50. Rd5 Kf3 51. Rxg5 Kf4 52. Rd5 Kxg4 53. b5 Kg3 54. b6 Kg2 55. b7) 49. b5 Ke7 50. b6 { Black resigns. } 1-0