CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/LVqrEZt7"] [Date "2026.05.29"] [White "Aryana"] [Black "Lucas1"] [Result "0-1"] [UTCDate "2026.05.29"] [UTCTime "20:14:05"] [WhiteElo "1096"] [BlackElo "1285"] [WhiteRatingDiff "-18"] [BlackRatingDiff "+16"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } e5? { (0.08 → 1.27) Mistake. c5 was best. } (2... c5 3. e3 Nc6 4. Nf3 Nf6 5. dxc5 e6 6. c4 Bxc5 7. Nc3 O-O 8. Be2 dxc4 9. Bxc4) 3. Bxe5 Bd6?? { (1.30 → 8.76) Blunder. Nc6 was best. } (3... Nc6 4. Nf3 Nxe5 5. Nxe5 Nf6 6. e3 Bd6 7. Nf3 O-O 8. Bd3 b6 9. Nbd2 c5 10. dxc5) 4. Bxg7 Bb4+ 5. Nd2 Ne7 6. c3?! { (9.04 → 5.32) Inaccuracy. Bxh8 was best. } (6. Bxh8 Ng6 7. Nf3 Nxh8 8. c3 Ng6 9. Qc2 Bxc3 10. bxc3 c6 11. Ne5 Nxe5 12. Qxh7) 6... Rg8 7. cxb4 Rxg7 8. h4?! { (5.08 → 3.28) Inaccuracy. a3 was best. } (8. a3) 8... a5?! { (3.28 → 4.18) Inaccuracy. Qd6 was best. } (8... Qd6 9. e3 Qxb4 10. Qb3 Qd6 11. Ne2 Nd7 12. g3 Nf6 13. Rc1 Kf8 14. Rc3 a5 15. Nf4) 9. Rh3?? { (4.18 → 0.45) Blunder. bxa5 was best. } (9. bxa5 Bg4 10. Nb3 Nf5 11. Rc1 Qd6 12. Qd2 Nd7 13. e3 Nf6 14. Bd3 Ne4 15. Bxe4) 9... Ra6?? { (0.45 → 3.59) Blunder. Bxh3 was best. } (9... Bxh3) 10. Rc3?? { (3.59 → 1.44) Blunder. b5 was best. } (10. b5) 10... Rc6?? { (1.44 → 4.94) Blunder. axb4 was best. } (10... axb4) 11. Rf3?? { (4.94 → 1.94) Blunder. bxa5 was best. } (11. bxa5 Nf5 12. Ngf3 Rxc3 13. bxc3 Nxh4 14. Qa4+ Nd7 15. g3 Nxf3+ 16. Nxf3 c6 17. Bh3 Nf6) 11... Rg4?! { (1.94 → 3.09) Inaccuracy. axb4 was best. } (11... axb4 12. g3) 12. a4?? { (3.09 → 1.03) Blunder. g3 was best. } (12. g3 Rxd4 13. bxa5 Nd7 14. Rc3 Rxc3 15. bxc3 Rg4 16. Bh3 Rg6 17. Kf1 Nf6 18. Qa4+ Kf8) 12... Rxd4 13. Raa3?? { (1.44 → -1.71) Blunder. b5 was best. } (13. b5 Rg6) 13... Rxb4 14. g4?? { (-1.58 → -3.82) Blunder. g3 was best. } (14. g3) 14... Rxg4 15. Bh3? { (-4.10 → -9.69) Mistake. Rg3 was best. } (15. Rg3 Rxh4) 15... Rxh4?! { (-9.69 → -5.05) Inaccuracy. Rxg1+ was best. } (15... Rxg1+) 16. Bf5?! { (-5.05 → -9.47) Inaccuracy. Bxc8 was best. } (16. Bxc8 Qxc8) 16... Nxf5 17. Rxf5 Nd7?? { (-9.75 → -3.02) Blunder. Bxf5 was best. } (17... Bxf5) 18. Rxd5 Rhc4?? { (-2.88 → 7.01) Blunder. Rh1 was best. } (18... Rh1 19. Nf3 Qf6 20. Qd2 b6 21. Rg5 Kf8 22. Rd3 h6 23. Rg3 Rd6 24. Rxd6 Qxd6 25. Qxd6+) 19. Rad3?? { (7.01 → -7.08) Blunder. Nxc4 was best. } (19. Nxc4 Rxc4) 19... Rxa4?? { (-7.08 → -0.23) Blunder. Rc1 was best. } (19... Rc1 20. Ngf3 Qf6 21. R3d4 Rxd1+ 22. Kxd1 Qg6 23. Ne4 Qh6 24. Nc3 Nb6 25. Re5+ Be6 26. Rh4) 20. Nb3?? { (-0.23 → -1.91) Blunder. Ngf3 was best. } (20. Ngf3 Rg4 21. Re3+ Re6 22. Rxe6+ fxe6 23. Rxa5 Qe7 24. Qb3 Kd8 25. e3 e5 26. Qc3 b6) 20... b5?? { (-1.91 → 1.03) Blunder. Rh4 was best. } (20... Rh4 21. Re3+) 21. Rxb5?? { (1.03 → -1.39) Blunder. Nc5 was best. } (21. Nc5 Rg4 22. Nf3 Rh6 23. Re3+ Kf8 24. Qd3 Qf6 25. Nxd7+ Bxd7 26. Rxd7 Rh1+ 27. Kd2 Qxb2+) 21... Ba6?? { (-1.39 → 3.68) Blunder. Rh4 was best. } (21... Rh4 22. Rg3) 22. Rb6?? { (3.68 → -8.76) Blunder. Re5+ was best. } (22. Re5+ Re6) 22... Rxb6 23. Qc2 Bxd3 24. Qxd3 Ra3 25. Qd2 Rbxb3 26. Nf3? { (-9.53 → Mate in 9) Checkmate is now unavoidable. bxa3 was best. } (26. bxa3) 26... Ra4?! { (Mate in 9 → -14.40) Lost forced checkmate sequence. Ra1+ was best. } (26... Ra1+ 27. Qd1 Rxd1+ 28. Kxd1 Nc5+ 29. Ke1 Rxf3 30. exf3 Qd3 31. b4 axb4 32. f4 Ne4 33. f5) 27. Ne5?! { (-14.40 → Mate in 7) Checkmate is now unavoidable. Qc1 was best. } (27. Qc1 Rab4) 27... Nxe5 28. Qd3 Nxd3+ 29. Kf1 Ra1+ 30. Kg2 Rb4 31. exd3 Rg4+ 32. Kh2 Qh4# { Black wins by checkmate. } 0-1