CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/u4JnpKff"] [Date "2026.06.19"] [White "Lucas1"] [Black "Daniella"] [Result "1-0"] [UTCDate "2026.06.19"] [UTCTime "20:22:47"] [WhiteElo "1247"] [BlackElo "1019"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "Portuguese Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bb5?! { (0.50 → -0.49) Inaccuracy. Nf3 was best. } { C20 Portuguese Opening } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6) 2... Bc5?! { (-0.49 → 0.03) Inaccuracy. c6 was best. } (2... c6 3. Ba4 d5 4. exd5 Qxd5 5. Qf3 Qa5 6. Bb3 Nf6 7. Qg3 Nbd7 8. Ne2 e4 9. Nbc3) 3. Nf3 Nf6?! { (0.15 → 0.85) Inaccuracy. c6 was best. } (3... c6 4. Ba4 Nf6 5. Nxe5 Nxe4 6. d4 Bb6 7. c3 d6 8. Nc4 Bc7 9. Bc2 d5 10. O-O) 4. O-O O-O 5. Nxe5 Nxe4 6. Nd3?? { (0.49 → -1.03) Blunder. d4 was best. } (6. d4 Bb6 7. c3 d6 8. Nc4 d5 9. Nxb6 axb6 10. Be2 Re8 11. Nd2 Nxd2 12. Bxd2 Bf5) 6... Nd6? { (-1.03 → 0.32) Mistake. Bb6 was best. } (6... Bb6 7. Nc3) 7. Nxc5 Nxb5 8. Re1 Re8 9. Rxe8+ Qxe8 10. d4?? { (0.05 → -1.75) Blunder. Nb3 was best. } (10. Nb3 Nc6 11. d3 d5 12. Bf4 Ncd4 13. Nxd4 Nxd4 14. Nc3 Qc6 15. Qd2 Bd7 16. Re1 Ne6) 10... d5?? { (-1.75 → 0.29) Blunder. Nxd4 was best. } (10... Nxd4 11. Nc3) 11. Nd7?? { (0.29 → -8.38) Blunder. c3 was best. } (11. c3) 11... Qxd7 12. Qe1 Qe6 13. Bd2 Qxe1+ 14. Bxe1 Bd7 15. c4 Nxd4 16. Bc3 Ndc6 17. cxd5 Bh3?? { (-7.46 → 0.52) Blunder. Ne7 was best. } (17... Ne7 18. Nd2 Nxd5 19. Ne4 Bc6 20. Rd1 Nd7 21. Rxd5 Bxd5 22. Ng3 f6 23. a3 Bxg2 24. f4) 18. gxh3?? { (0.52 → -3.24) Blunder. dxc6 was best. } (18. dxc6) 18... a5?? { (-3.24 → 6.13) Blunder. Ne7 was best. } (18... Ne7 19. Be5) 19. a4?? { (6.13 → -2.43) Blunder. dxc6 was best. } (19. dxc6 Nxc6) 19... f6?? { (-2.43 → 6.21) Blunder. Ne7 was best. } (19... Ne7 20. d6) 20. Ra3?? { (6.21 → -2.62) Blunder. dxc6 was best. } (20. dxc6 Nxc6) 20... f5?? { (-2.62 → 6.07) Blunder. Nb4 was best. } (20... Nb4 21. Bxb4) 21. Rb3?? { (6.07 → 0.43) Blunder. dxc6 was best. } (21. dxc6 Nxc6) 21... f4?? { (0.43 → 6.53) Blunder. Nd8 was best. } (21... Nd8 22. Na3) 22. Rxb7 Ra6?! { (5.84 → 8.50) Inaccuracy. Nb4 was best. } (22... Nb4 23. Rxc7 Nxd5 24. Rxg7+ Kf8 25. Rxh7 Nxc3 26. Nxc3 Kg8 27. Rh4 Nc6 28. Rxf4 Rb8 29. Nb5) 23. Rxb8+?? { (8.50 → -4.30) Blunder. dxc6 was best. } (23. dxc6) 23... Kf7?? { (-4.30 → 10.58) Blunder. Nxb8 was best. } (23... Nxb8 24. Na3) 24. Rh8 Nd8 25. Rxd8 Rc6 26. Rc8 Rxc3 27. Rxc7+?? { (15.37 → -6.24) Blunder. Nxc3 was best. } (27. Nxc3 Kf6 28. Rxc7 g5 29. Ra7 Kf5 30. Kg2 Ke5 31. Rxa5 h6 32. Kf3 Kd6 33. Ne4+ Kc7) 27... Kf6?? { (-6.24 → 15.82) Blunder. Rxc7 was best. } (27... Rxc7) 28. Nxc3 f3 29. d6 Ke6 30. d7 Ke7 31. Nd5+ Kd6?! { (61.95 → Mate in 4) Checkmate is now unavoidable. Kd8 was best. } (31... Kd8 32. h4 g6 33. Kf1 h6 34. Ra7 g5 35. hxg5 hxg5 36. Rc7 g4 37. Ra7 g3 38. fxg3) 32. Nb6? { (Mate in 4 → 9.88) Lost forced checkmate sequence. d8=Q+ was best. } (32. d8=Q+ Ke5 33. Ne3 h6 34. Qe7+ Kf4 35. Rc4#) 32... Kxc7 33. Na8+ Kxd7 34. Nb6+ Ke6 35. b4?! { (8.28 → 5.79) Inaccuracy. Nc4 was best. } (35. Nc4) 35... axb4 36. Nc4 b3 37. a5 Kd5 38. Na3 b2 39. a6 Kc5?! { (5.35 → 63.10) Inaccuracy. Kc6 was best. } (39... Kc6 40. Kf1) 40. a7 Kb4 41. a8=Q Kb3 42. h4 Ka2 43. h5 b1=Q+ 44. Nxb1+ Kxb1 45. Qb7+ Kc2 46. Qxg7 h6 47. Qxh6 Kd3 48. Qd6+ Ke4 49. h6 Kf5 50. h7 Ke4 51. h8=Q Kf5 52. Qhf6+ Kg4 53. Qff4+ Kh3 54. Qdh6# { White wins by checkmate. } 1-0