CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/BhhOocVZ"] [Date "2026.08.23"] [White "Nathaniel1"] [Black "Rishi"] [Result "0-1"] [UTCDate "2026.08.23"] [UTCTime "17:03:35"] [WhiteElo "1037"] [BlackElo "1449"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+3"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nc3?! { (0.30 → -0.21) Inaccuracy. c4 was best. } { D00 Queen's Pawn Game: Chigorin Variation } (2. c4 e6) 2... e6?! { (-0.21 → 0.30) Inaccuracy. Nf6 was best. } (2... Nf6) 3. e3?! { (0.30 → -0.40) Inaccuracy. e4 was best. } (3. e4 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Qd3 c5 9. Nf3 cxd4) 3... Nc6 4. Nf3 Nf6 5. Bd3 Bd6?! { (0.10 → 0.86) Inaccuracy. Nb4 was best. } (5... Nb4) 6. O-O Bd7? { (0.38 → 1.43) Mistake. Nb4 was best. } (6... Nb4) 7. Re1?! { (1.43 → 0.74) Inaccuracy. e4 was best. } (7. e4 dxe4 8. Nxe4 h6 9. Re1 Nb4 10. Nxd6+ cxd6 11. Bf1 O-O 12. a3 Nc6 13. c4 Ne7) 7... O-O?! { (0.74 → 1.50) Inaccuracy. Nb4 was best. } (7... Nb4 8. e4 Nxd3 9. Qxd3 dxe4 10. Nxe4 h6 11. Nxd6+ cxd6 12. c4 O-O 13. Bf4 Bc6 14. h3) 8. b3?? { (1.50 → -0.50) Blunder. e4 was best. } (8. e4) 8... Nb4?! { (-0.50 → 0.49) Inaccuracy. e5 was best. } (8... e5 9. dxe5) 9. a3?! { (0.49 → -0.20) Inaccuracy. Bf1 was best. } (9. Bf1 c5) 9... Na6?? { (-0.20 → 2.28) Blunder. Nxd3 was best. } (9... Nxd3 10. cxd3 c5 11. dxc5 Bxc5 12. b4 Be7 13. e4 a5 14. b5 dxe4 15. dxe4 Qc7 16. Bd2) 10. a4?? { (2.28 → 0.12) Blunder. e4 was best. } (10. e4 dxe4) 10... Bb4 11. Ba3?? { (0.55 → -6.38) Blunder. Bb2 was best. } (11. Bb2 c5) 11... Bxc3 12. Bxf8 Bxe1?! { (-7.65 → -5.09) Inaccuracy. Qxf8 was best. } (12... Qxf8) 13. Qxe1?! { (-5.09 → -7.00) Inaccuracy. Bxg7 was best. } (13. Bxg7 Bxf2+) 13... Qxf8 14. Ne5 Qe7 15. Bb5 Bxb5 16. axb5 Nb4 17. Ra4 Nxc2 18. Qc3 Nxe3 19. Qxe3 Rf8?? { (-6.23 → -2.25) Blunder. Ne4 was best. } (19... Ne4 20. Qc1 Nd6 21. Qa3 f6 22. Nd3 b6 23. h4 Qf8 24. Rb4 Nxb5 25. Qc1 Qe8 26. Nf4) 20. Rxa7 Nd7?? { (-2.05 → 0.73) Blunder. Rb8 was best. } (20... Rb8 21. b6) 21. Rxb7 Nxe5 22. dxe5? { (0.87 → -0.15) Mistake. Qxe5 was best. } (22. Qxe5 Qa3 23. h4 Qc1+ 24. Kh2 Rc8 25. g3 Qf1 26. Qf4 Rf8 27. Qe3 Rc8 28. Qf3 Qc1) 22... Ra8 23. Qd3?? { (0.29 → -6.52) Blunder. g3 was best. } (23. g3) 23... Ra1+ 24. Qf1 Rxf1+ 25. Kxf1 h6 26. Ra7 Qb4 27. Ra4 Qxb5+ 28. Rc4?! { (-6.39 → -63.91) Inaccuracy. Kg1 was best. } (28. Kg1 Qxb3 29. Ra1 Kh7 30. g3 Qc3 31. Ra8 Qe1+ 32. Kg2 Qe4+ 33. Kg1 Qxe5 34. h4 Kg6) 28... Qxb3 29. Rxc7?? { (-6.63 → Mate in 1) Checkmate is now unavoidable. Rc1 was best. } (29. Rc1 Qb2) 29... Qd1# { Black wins by checkmate. } 0-1