CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/pCGtfg0v"] [Date "2026.07.01"] [White "Ioana"] [Black "LuNa"] [Result "1-0"] [UTCDate "2026.07.01"] [UTCTime "20:02:13"] [WhiteElo "830"] [BlackElo "841"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-19"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } e5? { (0.24 → 1.28) Mistake. c5 was best. } (2... c5 3. Nc3) 3. Nc3?? { (1.28 → -8.98) Blunder. Bxe5 was best. } (3. Bxe5 Nc6 4. Bg3 h5 5. h4 Nf6 6. c3 Ne7 7. Nf3 Nf5 8. Bf4 Ng4 9. Nbd2 Bd6) 3... exd4?? { (-8.98 → 0.47) Blunder. exf4 was best. } (3... exf4 4. Qc1 Nf6 5. Qxf4 Bd6 6. Qh4 O-O 7. e3 Nc6 8. Nf3 Ne7 9. Bd3 c6 10. O-O-O) 4. Kd2?? { (0.47 → -10.62) Blunder. Qxd4 was best. } (4. Qxd4) 4... Bb4 5. e3 Bxc3+?? { (-10.35 → -3.90) Blunder. dxc3+ was best. } (5... dxc3+ 6. bxc3 Ba5 7. Bb5+ c6 8. Ne2 Nf6 9. Ke1 cxb5 10. a4 bxa4 11. Bg5 Bd7 12. Bxf6) 6. Kd3?? { (-3.90 → -11.59) Blunder. bxc3 was best. } (6. bxc3 dxe3+) 6... Bf5+ 7. Ke2 Bxb2 8. Rb1 Bxc2?? { (-9.65 → -1.79) Blunder. Bc3 was best. } (8... Bc3 9. g4 Bxg4+ 10. f3 Bf5 11. Kf2 dxe3+ 12. Kg2 Ne7 13. Ne2 Ng6 14. h4 Nc6 15. Nxc3) 9. Qxc2 d3+? { (-1.81 → -0.34) Mistake. Bc3 was best. } (9... Bc3 10. Rxb7) 10. Kxd3?! { (-0.34 → -1.28) Inaccuracy. Qxd3 was best. } (10. Qxd3 Bf6) 10... c5?? { (-1.28 → 5.00) Blunder. Ba3 was best. } (10... Ba3 11. Bxc7) 11. Kd2?? { (5.00 → 0.58) Blunder. Qxb2 was best. } (11. Qxb2 Ne7) 11... d4?? { (0.58 → 3.20) Blunder. Bf6 was best. } (11... Bf6 12. Rxb7) 12. exd4?? { (3.20 → -5.61) Blunder. Rxb2 was best. } (12. Rxb2) 12... Qxd4+ 13. Ke2 Qc3?? { (-5.54 → 5.14) Blunder. Qxf4 was best. } (13... Qxf4 14. Rxb2) 14. Kd1?? { (5.14 → 2.11) Blunder. Qxb2 was best. } (14. Qxb2) 14... Qxc2+?! { (2.11 → 3.25) Inaccuracy. Ba1 was best. } (14... Ba1 15. Rxb7) 15. Kxc2 Nf6?? { (3.04 → 6.78) Blunder. Bd4 was best. } (15... Bd4) 16. Kxb2 O-O 17. Be3 c4?! { (5.06 → 6.99) Inaccuracy. b6 was best. } (17... b6 18. Nf3) 18. Kc2?! { (6.99 → 4.83) Inaccuracy. Bxc4 was best. } (18. Bxc4 Nc6) 18... Nc6 19. Kc3?? { (5.03 → 2.46) Blunder. Nf3 was best. } (19. Nf3 Rfd8 20. Be2 Rac8 21. Rhd1 Nd5 22. a3 Nxe3+ 23. fxe3 Re8 24. Rxb7 h6 25. Rdd7 Rxe3) 19... Nd5+ 20. Kxc4 Rfc8?? { (2.54 → 8.31) Blunder. Nxe3+ was best. } (20... Nxe3+ 21. fxe3 Rfe8 22. Re1 g5 23. h3 Re4+ 24. Kc3 Rc8 25. Kb2 Nb4 26. a3 Nc2 27. Rc1) 21. Bd4?? { (8.31 → 1.53) Blunder. Kxd5 was best. } (21. Kxd5 a5) 21... Ncb4+?? { (1.53 → 3.70) Blunder. Nb6+ was best. } (21... Nb6+ 22. Bxb6 axb6 23. Rb2 Na5+ 24. Kd4 Rc1 25. Nf3 Rd8+ 26. Ke4 Rdd1 27. Rd2 f5+ 28. Kxf5) 22. Kb5?? { (3.70 → -2.29) Blunder. Kb3 was best. } (22. Kb3) 22... a6+?? { (-2.29 → -0.14) Blunder. Nc2 was best. } (22... Nc2 23. Bb2 Na3+ 24. Bxa3 Nc3+ 25. Kb4 a5+ 26. Kb3 Nxb1 27. Bb2 Nd2+ 28. Ka3 b5 29. Bd3) 23. Ka5?? { (-0.14 → -8.14) Blunder. Ka4 was best. } (23. Ka4 Nc2 24. Be5 f6 25. Rd1 Rc3 26. Bxc3 Nxc3+ 27. Ka5 Nxd1 28. Bc4+ Kf8 29. Nf3 Nxf2) 23... b6+?? { (-8.14 → -1.78) Blunder. Nc6+ was best. } (23... Nc6+ 24. Ka4 b5+ 25. Ka3 Nxd4 26. Ne2 b4+ 27. Kb2 Rc2+ 28. Ka1 Nxe2 29. Bxe2 Rxe2 30. Rhe1) 24. Ka4 { White wins on time. } 1-0