CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/18VewbUz"] [Date "2026.10.28"] [White "Leo3"] [Black "Chance"] [Result "0-1"] [UTCDate "2026.10.28"] [UTCTime "14:13:59"] [WhiteElo "1236"] [BlackElo "1631"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Ware Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. a4 { A00 Ware Opening } Nf6 2. a5?! { (-0.21 → -0.81) Inaccuracy. d4 was best. } (2. d4) 2... d5 3. a6?! { (-0.67 → -1.67) Inaccuracy. d4 was best. } (3. d4 e6 4. Nf3 c5 5. e3 Bd6 6. c3 Nc6 7. dxc5 Bxc5 8. b4 Bd6 9. a6 bxa6) 3... bxa6?! { (-1.67 → -0.78) Inaccuracy. Nxa6 was best. } (3... Nxa6 4. d4 e6 5. Nf3 c5 6. e3 Nb8 7. Be2 Nc6 8. O-O Bd6 9. dxc5 Bxc5 10. c3) 4. b4? { (-0.78 → -1.99) Mistake. Nf3 was best. } (4. Nf3 c5 5. g3 e6 6. Bg2 Nc6 7. O-O Be7 8. d3 O-O 9. Re1 Rb8 10. e4 h6) 4... Nc6?! { (-1.99 → -1.34) Inaccuracy. e5 was best. } (4... e5 5. c3) 5. b5?? { (-1.34 → -4.56) Blunder. c3 was best. } (5. c3 e5 6. e3 Bd6 7. Bxa6 O-O 8. Ne2 e4 9. d4 exd3 10. Bxd3 a5 11. Nd2 Ng4) 5... Nb4?? { (-4.56 → 1.47) Blunder. axb5 was best. } (5... axb5 6. e4) 6. bxa6?? { (1.47 → -1.48) Blunder. c3 was best. } (6. c3 axb5 7. cxb4 e6 8. e3 c6 9. d4 Bxb4+ 10. Bd2 Qe7 11. Nf3 Bd7 12. Bd3 a5) 6... Nxa6? { (-1.48 → -0.40) Mistake. e5 was best. } (6... e5 7. c3 Nc6 8. e3 Rb8 9. d4 Bd6 10. Ba3 exd4 11. Bxd6 Qxd6 12. cxd4 Bf5 13. Nf3) 7. Rxa6?? { (-0.40 → -6.38) Blunder. e4 was best. } (7. e4) 7... Bxa6 8. Na3 Qb8 9. Nb5?! { (-5.72 → -9.31) Inaccuracy. c4 was best. } (9. c4 c6) 9... Qxb5 10. c4 Qxc4 11. d3 Qb4+ 12. Bd2 Qc5 13. Qb3 Rb8?? { (-10.07 → -2.35) Blunder. Qb6 was best. } (13... Qb6 14. Qxb6 axb6 15. e3 Bb5 16. Ne2 Bxd3 17. f3 Ra1+ 18. Kf2 Ra2 19. Ke1 Kd7 20. g4) 14. Qxd5?? { (-2.35 → Mate in 2) Checkmate is now unavoidable. Qxb8+ was best. } (14. Qxb8+ Kd7) 14... Nxd5?! { (Mate in 2 → -28.49) Lost forced checkmate sequence. Rb1+ was best. } (14... Rb1+ 15. Bc1 Qxc1#) 15. d4?! { (-28.49 → Mate in 2) Checkmate is now unavoidable. e4 was best. } (15. e4 Nf4) 15... Qc2 16. Bc1 Qxc1# { Black wins by checkmate. } 0-1