CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/hhA3t1eH"] [Date "2026.05.06"] [White "Owen6"] [Black "Wesley"] [Result "1-0"] [UTCDate "2026.05.06"] [UTCTime "20:21:42"] [WhiteElo "1356"] [BlackElo "1481"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-13"] [WhiteTitle "GM♠"] [BlackTitle "GM⚜"] [Variant "Standard"] [TimeControl "420+2"] [ECO "E62"] [Opening "King's Indian Defense: Fianchetto Variation, Simagin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Bg4?! { (0.51 → 1.06) Inaccuracy. c5 was best. } (6... c5 7. Nc3 Nc6 8. dxc5 dxc5 9. Bf4 Bf5 10. Qb3 Qb6 11. Qb5 Nd4 12. Qxb6 axb6 13. Nxd4) 7. Nc3 Nc6 { E62 King's Indian Defense: Fianchetto Variation, Simagin Variation } 8. d5 Nb8 9. Qb3?! { (1.55 → 0.89) Inaccuracy. h3 was best. } (9. h3 Bxf3 10. exf3 c6 11. f4 cxd5 12. cxd5 Nbd7 13. Re1 a6 14. Be3 Rc8 15. a4 Nb6) 9... Qd7?? { (0.89 → 7.76) Blunder. Qc8 was best. } (9... Qc8 10. e4 Bh3 11. Be3 Bxg2 12. Kxg2 c6 13. h3 Nbd7 14. Rac1 a6 15. Qd1 Re8 16. b3) 10. Qxb7 Na6 11. Qxa6 Bh3 12. Bxh3 Qxh3 13. Ng5 Qh5 14. b4? { (8.08 → 4.53) Mistake. Kg2 was best. } (14. Kg2) 14... Ng4 15. Nf3?? { (4.91 → -0.07) Blunder. h3 was best. } (15. h3 Ne5) 15... Bxc3 16. Rb1 c5?? { (0.30 → 3.82) Blunder. Qh3 was best. } (16... Qh3 17. Rd1 f5 18. Rb3 Bf6 19. c5 g5 20. Qd3 f4 21. gxf4 Rf7 22. c6 Raf8 23. Qe4) 17. Rb3?? { (3.82 → 0.32) Blunder. bxc5 was best. } (17. bxc5 dxc5 18. Kg2 Qf5 19. Rb3 Bd4 20. Bf4 Qc2 21. h3 Nf6 22. Rd3 Ne4 23. Nxd4 cxd4) 17... Bxb4?? { (0.32 → 6.40) Blunder. cxb4 was best. } (17... cxb4 18. Bb2 Bxb2 19. Rxb2 Rfb8 20. Rfb1 Ne5 21. Rxb4 Nxf3+ 22. exf3 Rxb4 23. Rxb4 Qxf3 24. Rb3) 18. Qb7?? { (6.40 → 1.85) Blunder. Kg2 was best. } (18. Kg2) 18... Rfe8? { (1.85 → 3.48) Mistake. a5 was best. } (18... a5 19. a3) 19. Qa6 e5 20. a3?? { (3.88 → 0.00) Blunder. dxe6 was best. } (20. dxe6) 20... e4?? { (0.00 → 3.49) Blunder. Qh3 was best. } (20... Qh3 21. Qb7 h6 22. e4 Ba5 23. Qd7 Rad8 24. Qxa7 Ra8 25. Qd7 Rad8) 21. axb4?? { (3.49 → Mate in 7) Checkmate is now unavoidable. Nh4 was best. } (21. Nh4) 21... exf3?? { (Mate in 7 → -3.87) Lost forced checkmate sequence. Qh3 was best. } (21... Qh3 22. Qb7 exf3 23. Qxf7+ Kxf7 24. Rxf3+ Kg8 25. Rf8+ Rxf8 26. Rd1 Qxh2+ 27. Kf1 Qxf2#) 22. h4 fxe2 23. Re1 Qf5?! { (-3.83 → -2.98) Inaccuracy. Qe5 was best. } (23... Qe5) 24. Be3?? { (-2.98 → Mate in 7) Checkmate is now unavoidable. Bf4 was best. } (24. Bf4 cxb4 25. Qa5 h6 26. f3 Ne5 27. Bxe5 Qxe5 28. Kg2 Rab8 29. Rxb4 Qe3 30. Qa4 Qd2) 24... Nxe3?? { (Mate in 7 → -3.98) Lost forced checkmate sequence. Rxe3 was best. } (24... Rxe3 25. f4 Rxb3 26. Kg2 Qe4+ 27. Kh3 Qe3 28. Qc8+ Rxc8 29. Rg1 Qxg1 30. Kxg4 Qxg3#) 25. fxe3?! { (-3.98 → -6.00) Inaccuracy. Rxe3 was best. } (25. Rxe3 Rxe3) 25... Qg4 26. Kf2 cxb4?? { (-4.68 → -1.56) Blunder. Qf5+ was best. } (26... Qf5+ 27. Kg1) 27. Rxb4?? { (-1.56 → -6.92) Blunder. Qxd6 was best. } (27. Qxd6) 27... Rxe3?? { (-6.92 → 0.00) Blunder. Qf5+ was best. } (27... Qf5+ 28. Kg1 Qe5 29. Kg2 Qe4+ 30. Kg1 Qxe3+ 31. Kg2 Qe4+ 32. Kg1 Qd4+ 33. Kg2 Rad8 34. Qa3) 28. Kxe3 Re8+ 29. Kd2 Qd4+ 30. Kc2 Re3?? { (0.00 → 3.50) Blunder. Qe4+ was best. } (30... Qe4+ 31. Kd2 Qe3+ 32. Kc2) 31. Rb3?? { (3.50 → -5.48) Blunder. Rb8+ was best. } (31. Rb8+) 31... Rxb3?? { (-5.48 → 1.42) Blunder. Qe4+ was best. } (31... Qe4+ 32. Kb2) 32. Kxb3 Qd1+?! { (1.16 → 1.89) Inaccuracy. Qd1+ was best. } (32... Qd1+ 33. Rxd1) 33. Rxd1? { (1.89 → 0.80) Mistake. Rxd1 was best. } (33. Rxd1 exd1=Q+ 34. Kb4 Qb1+ 35. Ka5 Qb3 36. Qxa7 Qxg3 37. Qc7 Kf8 38. Ka6 h5 39. Kb7 Qa3) 33... exd1=Q+?! { (0.80 → 1.76) Inaccuracy. exd1=Q+ was best. } (33... exd1=Q+) 34. Kb4 Qb1+ 35. Kc3?? { (1.34 → -0.23) Blunder. Ka5 was best. } (35. Ka5 Qb8) 35... Qe1+ 36. Kb3 Qe3+? { (-0.14 → 0.88) Mistake. Qxg3+ was best. } (36... Qxg3+ 37. Kb4) 37. Kb4?? { (0.88 → -1.19) Blunder. Ka4 was best. } (37. Ka4 Qxg3) 37... Qxg3?? { (-1.19 → 0.96) Blunder. Qc5+ was best. } (37... Qc5+ 38. Kb3 Kf8 39. Ka4 h6 40. Qb5 Qc7 41. g4 g5 42. hxg5 hxg5 43. Qb3 Qd7+ 44. Ka5) 38. Qxa7?! { (0.96 → 0.00) Inaccuracy. Kb5 was best. } (38. Kb5 h5) 38... Kg7? { (0.00 → 1.13) Mistake. h5 was best. } (38... h5 39. c5 dxc5+ 40. Qxc5 Qxh4+ 41. Kb5 Qd8 42. d6 Qe8+ 43. Kb6 Qb8+ 44. Ka6 Qa8+ 45. Kb5) 39. c5? { (1.13 → 0.00) Mistake. Qd4+ was best. } (39. Qd4+ Kg8 40. Kb5 h5 41. Kc6 g5 42. c5 dxc5 43. Qd2 c4 44. d6 c3 45. Qe2 Kg7) 39... Qxh4+?! { (0.00 → 0.64) Inaccuracy. dxc5+ was best. } (39... dxc5+ 40. Qxc5 Qb8+ 41. Kc4 Kf6 42. d6 Ke6 43. Qd5+ Kd7 44. Qxf7+ Kc6 45. Qf3+ Kd7) 40. Kb5 dxc5 41. Qxc5 h5? { (0.00 → 1.37) Mistake. Qd8 was best. } (41... Qd8 42. d6 Qe8+ 43. Qc6 Kf8 44. Kb6 Qd8+ 45. Kb7 h5 46. Qc8 Ke8 47. d7+ Ke7 48. Kc6) 42. d6 Qd8 43. Qc7 Qg5+ 44. Qc5?? { (1.71 → 0.00) Blunder. Kb6 was best. } (44. Kb6 Qf6 45. Kb7 Qf3+ 46. Kb8 Qb3+ 47. Kc8 Qd5 48. Qc3+ f6 49. d7 Qf5 50. Kc7 Qf4+) 44... h4?? { (0.00 → Mate in 7) Checkmate is now unavoidable. Qd2 was best. } (44... Qd2 45. Qe5+ Kh7 46. Qe7 Qd5+ 47. Kb6 Qd4+ 48. Kb7 Qd5+ 49. Kc7 Qa5+ 50. Kc6 Qa6+ 51. Kc5) 45. Qxg5 h3 46. Qh4 f5 47. Qxh3 Kf6 48. d7 Ke7 49. Qd3 Kf6 50. d8=Q+ Kg7 51. Q3d6 Kh6 52. Q8f6 Kh5 53. Qxg6+ Kh4 54. Qh2# { White wins by checkmate. } 1-0