FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/6WqcD0vp"]
[Date "2026.05.25"]
[White "Caroline1"]
[Black "colton1"]
[Result "0-1"]
[UTCDate "2026.05.25"]
[UTCTime "15:03:19"]
[WhiteElo "1400"]
[BlackElo "1536"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+8"]
[WhiteTitle "IM"]
[BlackTitle "IM🤔"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B00"]
[Opening "Nimzowitsch Defense: Woodchuck Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 Nc6 2. d4 a6?! { (0.77 → 1.31) Inaccuracy. d5 was best. } { B00 Nimzowitsch Defense: Woodchuck Variation } (2... d5 3. e5 Bf5 4. c3 e6 5. Be2 f6 6. f4 Nge7 7. Nd2 fxe5 8. fxe5 Ng6 9. Nf1) 3. Nf3 d6 4. d5 Ne5 5. Nxe5 dxe5 6. Bc4 f5?! { (1.10 → 2.02) Inaccuracy. Qd6 was best. } (6... Qd6 7. Bb3) 7. exf5 Bxf5 8. O-O b5? { (1.36 → 2.80) Mistake. Qd6 was best. } (8... Qd6) 9. Bd3? { (2.80 → 1.48) Mistake. Bb3 was best. } (9. Bb3 Nf6) 9... e4 10. Be2 Nf6 11. c4 Rb8?? { (1.20 → 3.25) Blunder. e6 was best. } (11... e6 12. dxe6) 12. cxb5 axb5 13. Nc3 b4 14. Nb5 e5?! { (3.24 → 4.24) Inaccuracy. Qd7 was best. } (14... Qd7 15. a4) 15. dxe6 Bxe6 16. Bf4 Nd5 17. Qd2?? { (4.45 → 0.87) Blunder. Bg3 was best. } (17. Bg3 Bc5) 17... Rb7?? { (0.87 → 3.54) Blunder. Bc5 was best. } (17... Bc5 18. Bg5) 18. Rac1? { (3.54 → 1.71) Mistake. Rad1 was best. } (18. Rad1 Qd7) 18... c5?? { (1.71 → 3.89) Blunder. Be7 was best. } (18... Be7 19. Bg3) 19. Bg5? { (3.89 → 2.32) Mistake. Be5 was best. } (19. Be5 Be7) 19... Qd7 20. Bf4?? { (2.49 → -2.45) Blunder. Rfe1 was best. } (20. Rfe1 Kf7 21. a4 bxa3 22. Nxa3 Bd6 23. Rcd1 h6 24. Bh4 g5 25. Bc4 Nf6 26. Qxd6 Qxd6) 20... Be7?? { (-2.45 → -0.40) Blunder. Rxb5 was best. } (20... Rxb5) 21. a3?? { (-0.40 → -5.11) Blunder. a4 was best. } (21. a4 bxa3 22. Nxa3 O-O 23. Be3 Bf6 24. Rc2 Nxe3 25. Qxd7 Rxd7 26. fxe3 Bg5 27. Nc4 g6) 21... O-O 22. axb4? { (-4.29 → -8.54) Mistake. Be5 was best. } (22. Be5 Rxb5) 22... Rxf4?? { (-8.54 → -1.97) Blunder. Nxf4 was best. } (22... Nxf4 23. Qc2) 23. g3?? { (-1.97 → -7.53) Blunder. bxc5 was best. } (23. bxc5 Rxb5) 23... e3 24. fxe3 Rxf1+ 25. Bxf1 Bg5 26. h4 Bxe3+ 27. Qxe3 Nxe3 28. Be2?! { (-13.50 → Mate in 8) Checkmate is now unavoidable. b3 was best. } (28. b3 Nxf1) 28... c4?! { (Mate in 8 → -13.96) Lost forced checkmate sequence. Qd2 was best. } (28... Qd2 29. Nc3 Qxc1+ 30. Nd1 Nxd1 31. Kg2 Qxb2 32. g4 Qxe2+ 33. Kg3 Qxg4+ 34. Kh2 Ne3 35. bxc5) 29. b3?! { (-13.96 → Mate in 8) Checkmate is now unavoidable. Nc3 was best. } (29. Nc3 Qd6) 29... Rxb5?! { (Mate in 8 → -17.01) Lost forced checkmate sequence. Qd2 was best. } (29... Qd2 30. Nd4 Qxc1+ 31. Kf2 Rf7+ 32. Nf3 Ng4+ 33. Kg2 Qe3 34. Kh1 Qxe2 35. b5 Qxf3+ 36. Kg1) 30. bxc4 Rxb4 31. Rc3?! { (-18.12 → Mate in 6) Checkmate is now unavoidable. Ra1 was best. } (31. Ra1 Qd4) 31... Qc6 32. Rxe3 Rb1+?! { (Mate in 6 → -14.15) Lost forced checkmate sequence. Qc5 was best. } (32... Qc5 33. Kf2 Rb3 34. Kf1 Qxe3 35. g4 Rb2 36. g5 Rxe2 37. g6 Bh3#) 33. Kf2?! { (-14.15 → Mate in 10) Checkmate is now unavoidable. Kf2 was best. } (33. Kf2 Qc5) 33... Qh1? { (Mate in 10 → -8.94) Lost forced checkmate sequence. Qc5 was best. } (33... Qc5 34. Kf3 Qf5+ 35. Kg2 Bd7 36. g4 Bc6+ 37. Bf3 Bxf3+ 38. Rxf3 Rb2+ 39. Kg3 Qe5+ 40. Rf4) 34. Rxe6 Qg1+ 35. Kf3 Kf7 36. Ra6 Rb3+ 37. Ke4?! { (-10.65 → Mate in 12) Checkmate is now unavoidable. Ke4 was best. } (37. Ke4 Qxg3) 37... Qe3+?! { (Mate in 12 → -66.71) Lost forced checkmate sequence. Qg2+ was best. } (37... Qg2+ 38. Kd4 Qxe2 39. Ra7+ Ke6 40. Ra6+ Kd7 41. Ra7+ Kc6 42. Ra6+ Kb7 43. Ra7+ Kxa7 44. Kd5) 38. Kd5?! { (-66.71 → Mate in 13) Checkmate is now unavoidable. Kd5 was best. } (38. Kd5 Qxe2) 38... Qxe2 39. c5 Qxa6 40. c6 Qb5+ 41. Kd6 Rd3+ 42. Kc7 Ke7 43. g4 Rd7+ 44. Kc8 Qxc6+ 45. Kb8 Rb7+?? { (Mate in 1) Lost forced checkmate sequence. Qb7# was best. } (45... Qb7#) 46. Ka8 Qa6# { Black wins by checkmate. } 0-1