CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/dSAKky46"] [Date "2026.09.25"] [White "ZePHyRos"] [Black "Trekker"] [Result "0-1"] [UTCDate "2026.09.25"] [UTCTime "20:33:40"] [WhiteElo "1805"] [BlackElo "1791"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+9"] [WhiteTitle "GM☣"] [BlackTitle "🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense: Scandinavian Variation, Advance Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nc6 2. d4 d5 3. e5 { B00 Nimzowitsch Defense: Scandinavian Variation, Advance Variation } Bf5 4. Nf3 e6 5. Bg5?! { (0.26 → -0.48) Inaccuracy. c3 was best. } (5. c3 f6) 5... Nge7?! { (-0.48 → 0.45) Inaccuracy. f6 was best. } (5... f6 6. exf6 gxf6 7. Be3 Qd7 8. Nh4 Bg6 9. Nd2 O-O-O 10. c3 e5 11. Qa4 exd4 12. cxd4) 6. Nc3?! { (0.45 → -0.17) Inaccuracy. c3 was best. } (6. c3 h6 7. Be3 Bh7 8. Bd3 Bxd3 9. Qxd3 Nf5 10. Nbd2 a5 11. a4 Be7 12. O-O Qd7) 6... a6 7. Bd3 Bxd3?! { (-0.20 → 0.33) Inaccuracy. Bg4 was best. } (7... Bg4 8. Be2 h6 9. Be3 Nf5 10. O-O Qd7 11. h3 Bh5 12. a3 Be7 13. g4 Nxe3 14. fxe3) 8. Qxd3 Nb4 9. Qd2 Qd7 10. a3 Nbc6 11. Qe2 Nf5 12. Qd3 Be7 13. h3?? { (0.68 → -2.88) Blunder. Bxe7 was best. } (13. Bxe7 Nfxe7 14. h4 h6 15. h5 b6 16. g4 Na5 17. Nd2 c5 18. f4 cxd4 19. Ne2 Nec6) 13... Bxg5 14. Nxg5 Qe7?? { (-2.76 → 0.23) Blunder. Nfxd4 was best. } (14... Nfxd4 15. f4 h6 16. Nf3 Nxf3+ 17. Qxf3 O-O-O 18. O-O-O Qe7 19. Kb1 Kb8 20. g4 g6 21. Ne2) 15. h4?? { (0.23 → -2.59) Blunder. Nf3 was best. } (15. Nf3 Nh4 16. Nxh4 Qxh4 17. Ne2 O-O-O 18. g3 Qe7 19. O-O-O Na5 20. h4 Nc4 21. h5 g5) 15... Nfxd4 16. g3?? { (-2.67 → -5.94) Blunder. f4 was best. } (16. f4 h6) 16... Nf5?? { (-5.94 → -2.07) Blunder. h6 was best. } (16... h6 17. Nf3 Nxf3+ 18. Qxf3 Nxe5 19. Qe2 Nc4 20. O-O-O b5 21. Kb1 b4 22. Na4 O-O 23. g4) 17. g4?? { (-2.07 → -7.71) Blunder. Nxd5 was best. } (17. Nxd5 Qd7) 17... Nh6?? { (-7.71 → -2.72) Blunder. Nxh4 was best. } (17... Nxh4 18. Rxh4 Qxg5 19. Qg3 Qxe5+ 20. Qxe5 Nxe5 21. O-O-O O-O-O 22. Rh5 Nxg4 23. Rg5 Nxf2 24. Rf1) 18. f4? { (-2.72 → -5.23) Mistake. Qg3 was best. } (18. Qg3 f6) 18... Nxg4 19. Qg3 Nh6 20. O-O-O Nf5 21. Qg2?! { (-5.03 → -7.91) Inaccuracy. Qf2 was best. } (21. Qf2 O-O-O) 21... O-O-O?! { (-7.91 → -5.41) Inaccuracy. Ne3 was best. } (21... Ne3) 22. Qe2?! { (-5.41 → -8.29) Inaccuracy. Qg1 was best. } (22. Qg1 h6 23. Nf3 Kb8 24. Ne2 Rdg8 25. Kb1 g6 26. Qf2 Na5 27. h5 g5 28. fxg5 hxg5) 22... Ng3 23. Qf3 Nxh1 24. Rxh1 f6 25. Nh3 fxe5 26. fxe5 Nxe5 27. Qe3 Nc4 28. Qa7 Nb6 29. Ng5 Qf6 30. b4 Qxc3 31. b5?! { (-14.00 → Mate in 4) Checkmate is now unavoidable. Qxb6 was best. } (31. Qxb6 Qxa3+ 32. Kb1 cxb6 33. b5 Qe7 34. bxa6 bxa6 35. Rh3 e5 36. Kc1 d4 37. Nf3 e4) 31... Qa1+?! { (Mate in 4 → -18.15) Lost forced checkmate sequence. Nc4 was best. } (31... Nc4 32. Qd4 Qxd4 33. c3 Qxc3+ 34. Kb1 Qb2#) 32. Kd2 Qxh1 33. Nxe6?! { (-18.48 → Mate in 21) Checkmate is now unavoidable. Kc3 was best. } (33. Kc3 Qxh4) 33... Qg2+?! { (Mate in 21 → -20.25) Lost forced checkmate sequence. Nc4+ was best. } (33... Nc4+) 34. Kc1 Qf1+ 35. Kb2 Na4+ 36. Ka2 Qc4+?! { (Mate in 7 → -22.30) Lost forced checkmate sequence. Qc1 was best. } (36... Qc1 37. Qd4 Qxc2+ 38. Ka1 Rdf8 39. Nxf8 Rxf8 40. Qg4+ Kb8 41. Qe2 Qxe2 42. h5 Rf1#) 37. Kb1 Qxb5+ 38. Kc1 Qf1+ 39. Kd2 Rhe8 40. Qa8+ Kd7 41. Qxb7 Rxe6 42. Qxd5+ Rd6 { White resigns. } 0-1