FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/oy0zyzbn"]
[Date "2026.03.25"]
[White "Wesley"]
[Black "Owen6"]
[Result "0-1"]
[UTCDate "2026.03.25"]
[UTCTime "20:24:17"]
[WhiteElo "1533"]
[BlackElo "1371"]
[WhiteRatingDiff "-14"]
[BlackRatingDiff "+14"]
[WhiteTitle "GM⚜"]
[BlackTitle "GM♠"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A04"]
[Opening "Zukertort Opening: Black Mustang Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. g3 d5 3. Bg2?! { (0.40 → -0.44) Inaccuracy. d4 was best. } (3. d4 Bf5) 3... Bf5?! { (-0.44 → 0.35) Inaccuracy. e5 was best. } (3... e5) 4. O-O e6 5. d3 Bc5 6. Bg5?! { (0.82 → 0.01) Inaccuracy. a3 was best. } (6. a3) 6... Nf6 7. Nc3?! { (0.38 → -0.32) Inaccuracy. Nbd2 was best. } (7. Nbd2 h6 8. Bxf6 Qxf6 9. c3 e5 10. e4 dxe4 11. Nxe4 Bxe4 12. dxe4 Rd8 13. Qe2 Qe6) 7... Qe7? { (-0.32 → 0.94) Mistake. h6 was best. } (7... h6) 8. Nd2 O-O-O 9. e4 dxe4 10. dxe4? { (0.96 → -0.21) Mistake. Ncxe4 was best. } (10. Ncxe4) 10... Bg6 11. Qe2?! { (-0.20 → -0.79) Inaccuracy. Na4 was best. } (11. Na4 a6) 11... h6 12. Bxf6 Qxf6 13. Nf3? { (-0.68 → -1.92) Mistake. Na4 was best. } (13. Na4 Be7 14. Nb3 Qe5 15. f4 Nd4 16. Qe3 Qb5 17. Nxd4 Qxa4 18. c3 Bc5 19. b4 Bb6) 13... Bh5 14. e5 Qe7 15. Qc4? { (-1.56 → -3.27) Mistake. Qe1 was best. } (15. Qe1 Rd7) 15... g5?? { (-3.27 → -1.30) Blunder. Bxf3 was best. } (15... Bxf3 16. Bxf3 Nxe5 17. Qe4 Nxf3+ 18. Qxf3 Qf6 19. Qxf6 gxf6 20. Rad1 f5 21. Ne2 a5 22. b3) 16. Rfd1? { (-1.30 → -2.99) Mistake. Qb3 was best. } (16. Qb3 Bb6) 16... g4?? { (-2.99 → -0.43) Blunder. Bxf3 was best. } (16... Bxf3 17. Bxf3 Nxe5 18. Qe4 Nxf3+ 19. Qxf3 a6 20. Ne4 Ba7 21. g4 Kb8 22. c3 f5 23. gxf5) 17. Nd2 Nxe5 18. Bxb7+?? { (-0.60 → -5.77) Blunder. Qe4 was best. } (18. Qe4) 18... Kxb7 19. Qb5+ Kc8?? { (-6.18 → -2.13) Blunder. Ka8 was best. } (19... Ka8 20. Nb3 Bd6 21. Qa4 c6 22. Na5 Qc7 23. b4 Bg6 24. Kf1 Rc8 25. a3 Rhd8 26. b5) 20. Nb3 Rxd1+?! { (-2.03 → -0.97) Inaccuracy. Bd6 was best. } (20... Bd6 21. Na5) 21. Rxd1 Rd8?? { (-1.12 → 5.50) Blunder. Nf3+ was best. } (21... Nf3+) 22. Rxd8+?? { (5.50 → 1.24) Blunder. Qa6+ was best. } (22. Qa6+ Kb8 23. Rxd8+ Qxd8 24. Nxc5 Qc8 25. Qa4 Nf3+ 26. Kg2 c6 27. Na6+ Ka8 28. Ne4 Qd7) 22... Kxd8?? { (1.24 → 5.06) Blunder. Qxd8 was best. } (22... Qxd8) 23. Nxc5 Nf3+ 24. Kg2 Ng5? { (7.46 → Mate in 1) Checkmate is now unavoidable. Qe8 was best. } (24... Qe8 25. Nb7+ Ke7 26. Qc5+ Kf6 27. Qxh5 Qc6 28. Qxg4 Ng5+ 29. f3 Qxb7 30. h4 Qxb2 31. hxg5+) 25. h4?? { (Mate in 1 → 2.02) Lost forced checkmate sequence. Qb8# was best. } (25. Qb8#) 25... Nh3?? { (2.02 → Mate in 1) Checkmate is now unavoidable. gxh3+ was best. } (25... gxh3+ 26. Kh2) 26. N3e4?! { (Mate in 1 → 10.92) Lost forced checkmate sequence. Qb8# was best. } (26. Qb8#) 26... f5?! { (10.92 → Mate in 1) Checkmate is now unavoidable. Qxc5 was best. } (26... Qxc5 27. Qxc5 Bg6 28. Nf6 Kc8 29. Qc6 Kb8 30. Nd7+ Kc8 31. Nc5 Be4+ 32. Qxe4 Kd8 33. Qxg4) 27. Nb7+?! { (Mate in 1 → 10.09) Lost forced checkmate sequence. Qb8# was best. } (27. Qb8#) 27... Kc8 28. Nec5 Be8 29. Qa5?? { (8.12 → -1.62) Blunder. Qa6 was best. } (29. Qa6 c6 30. Na5+ Kd8 31. Nxc6+ Bxc6+ 32. Qxc6 Qf7 33. Nxe6+ Ke7 34. Nd4 f4 35. f3 fxg3) 29... Bc6+ 30. Kh2?! { (-1.22 → -2.00) Inaccuracy. Kh2 was best. } (30. Kh2) 30... Bxb7 31. Qxa7 Bd5 32. Qa6+?? { (-1.99 → -4.65) Blunder. c4 was best. } (32. c4 Be4 33. Qa6+ Kd8 34. Nxe4 fxe4 35. Qa8+ Kd7 36. Qa4+ Kd6 37. Qb4+ c5 38. Qb8+ Qc7) 32... Kd8 33. Nb7+?! { (-5.02 → -7.46) Inaccuracy. b4 was best. } (33. b4 Qd6) 33... Bxb7 34. Qxb7 Qc5 35. Qb8+ Kd7 36. Qh8? { (-8.71 → Mate in 2) Checkmate is now unavoidable. Qb7 was best. } (36. Qb7 Nxf2) 36... Qxf2+ 37. Kh1 Qg1# { Black wins by checkmate. } 0-1