FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/jYl4hXFK"]
[Date "2026.09.16"]
[White "Lucas4"]
[Black "Jacob6"]
[Result "0-1"]
[UTCDate "2026.09.16"]
[UTCTime "13:56:39"]
[WhiteElo "1317"]
[BlackElo "1377"]
[WhiteRatingDiff "-65"]
[BlackRatingDiff "+115"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A00"]
[Opening "Ware Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. a4 { A00 Ware Opening } d5 2. a5 Qd6?! { (-0.61 → 0.16) Inaccuracy. e5 was best. } (2... e5 3. e3) 3. d3 e6?! { (-0.21 → 0.31) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nd2 c5 5. e4 e6 6. Qe2 Qc7 7. exd5 Nxd5 8. Nc4 Nc6 9. Nf3 f6 10. g3) 4. Kd2?? { (0.31 → -1.43) Blunder. g3 was best. } (4. g3 c5 5. Nf3 Nf6 6. Bg2 Nc6 7. O-O Be7 8. e4 O-O 9. exd5 exd5 10. Re1 Qd8) 4... Qb4+?! { (-1.43 → -0.69) Inaccuracy. Nf6 was best. } (4... Nf6 5. Ke1 Be7 6. g3 O-O 7. Nf3 e5 8. Nc3 Rd8 9. Bg2 c5 10. e4 Nc6 11. exd5) 5. c3 Qd6 6. Qb3 Bd7? { (-1.22 → -0.02) Mistake. c5 was best. } (6... c5 7. Ke1 Qc7 8. e4 Nf6 9. Bg5 Nc6 10. Nd2 Nxa5 11. Qa2 Nc6 12. Bxf6 gxf6 13. exd5) 7. Ke1 Nf6?! { (-0.19 → 0.49) Inaccuracy. Nc6 was best. } (7... Nc6 8. Nf3 Nf6 9. d4 Be7 10. g3 e5 11. Nxe5 Nxe5 12. Bf4 Nd3+ 13. exd3 Qe6+ 14. Be3) 8. Qa4?? { (0.49 → -9.29) Blunder. Qxb7 was best. } (8. Qxb7 Bc6 9. Qb3 Nbd7 10. Qc2 Be7 11. Nf3 Rb8 12. b4 e5 13. g3 O-O 14. Bh3 Rfe8) 8... Qa6?? { (-9.29 → -0.76) Blunder. Bxa4 was best. } (8... Bxa4) 9. Qxd7+?? { (-0.76 → -8.66) Blunder. Qc2 was best. } (9. Qc2 c5) 9... Kxd7 10. Bf4 Bd6 11. Bxd6 Kxd6 12. c4 Ke7 13. Ra4 Rd8 14. cxd5 Rxd5 15. Rh4 Rxa5 16. e4 Ra1 17. Rxh7 Rxb1+ 18. Kd2?! { (-18.08 → Mate in 7) Checkmate is now unavoidable. Ke2 was best. } (18. Ke2 Nxh7) 18... Qa1?! { (Mate in 7 → -17.92) Lost forced checkmate sequence. Rxb2+ was best. } (18... Rxb2+ 19. Ke3 Qb6+ 20. d4 e5 21. Ne2 Qb3+ 22. Nc3 Qxc3+ 23. Bd3 Qxd4+ 24. Kf3 Qxd3#) 19. Ke3 Re1+ 20. Kd4?! { (-18.05 → Mate in 2) Checkmate is now unavoidable. Ne2 was best. } (20. Ne2 Nxh7) 20... Qxb2+ 21. Kc5 Rc1# { Black wins by checkmate. } 0-1