CohenChessClub.com

[Event "August Chess Megatournament"] [Site "https://cohenchessclub.com/5Izcgizv"] [Date "2022.08.20"] [White "HarryMcChess"] [Black "Mason2"] [Result "0-1"] [UTCDate "2022.08.20"] [UTCTime "20:03:17"] [WhiteElo "1451"] [BlackElo "1669"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+4"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "900+0"] [ECO "D06"] [Opening "Queen's Gambit Declined: Marshall Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. c4 Nf6?! { (0.34 → 0.93) Inaccuracy. c6 was best. } { D06 Queen's Gambit Declined: Marshall Defense } (2... c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 Nc6 6. Bd3 Bg4 7. Ne2) 3. cxd5 Qxd5 4. Nc3 Qd8 5. e4 e6 6. e5 Ng8?! { (0.98 → 1.67) Inaccuracy. Nd5 was best. } (6... Nd5 7. Nf3) 7. Nf3 Be7? { (1.40 → 2.70) Mistake. Ne7 was best. } (7... Ne7 8. Bd3 h6 9. O-O Nd7 10. Be4 Nb6 11. Be3 Ned5 12. Rc1 a5 13. Ne1 Bd7 14. Nd3) 8. Bd3 f6? { (2.60 → 4.37) Mistake. Nc6 was best. } (8... Nc6) 9. exf6?! { (4.37 → 2.78) Inaccuracy. a3 was best. } (9. a3) 9... Bxf6 10. Be3 Nc6 11. O-O Nge7 12. Nb5? { (2.88 → 1.58) Mistake. Qb3 was best. } (12. Qb3 Nd5 13. Rad1 O-O 14. Bb1 Nce7 15. Bc1 a5 16. Rfe1 Ng6 17. a3 b6 18. Ne4 Nh4) 12... a6 13. Nc3 Nf5?! { (1.70 → 2.71) Inaccuracy. O-O was best. } (13... O-O 14. Ne4 Kh8 15. Bc2 Nf5 16. Nxf6 gxf6 17. Bxf5 exf5 18. d5 Ne7 19. Bc5 Rg8 20. Bxe7) 14. Bxf5 exf5 15. Rc1 Na7?? { (1.74 → 8.34) Blunder. O-O was best. } (15... O-O) 16. Bg5?? { (8.34 → 2.82) Blunder. Qb3 was best. } (16. Qb3 Nb5 17. Rfe1 Kf8 18. Nxb5 axb5 19. Ne5 Qe7 20. Bf4 Be6 21. d5 Bg8 22. Rxc7 Qxc7) 16... Bxg5 17. Nxg5?? { (2.45 → 0.00) Blunder. Re1+ was best. } (17. Re1+) 17... Qxg5 18. f4?? { (0.92 → -3.00) Blunder. Qb3 was best. } (18. Qb3 Qd8) 18... Qg6?? { (-3.00 → -1.06) Blunder. Qd8 was best. } (18... Qd8) 19. Qe2+?? { (-1.06 → -4.11) Blunder. Nd5 was best. } (19. Nd5 Nb5) 19... Be6?? { (-4.11 → -1.13) Blunder. Kd8 was best. } (19... Kd8 20. Qf2) 20. d5 Nb5?? { (-0.69 → 4.56) Blunder. O-O-O was best. } (20... O-O-O 21. Qe3 Kb8 22. Qxe6 Qxe6 23. dxe6 Nc6 24. g4 g6 25. Rfe1 Rhe8 26. gxf5 gxf5 27. Rcd1) 21. dxe6? { (4.56 → 2.47) Mistake. Nxb5 was best. } (21. Nxb5 axb5 22. Rxc7 O-O 23. dxe6 Qf6 24. Rd1 Rfe8 25. Rdd7 Rxe6 26. Rxg7+ Kf8 27. Rcf7+ Qxf7) 21... Nd4?? { (2.47 → 5.87) Blunder. O-O-O was best. } (21... O-O-O 22. Nxb5) 22. Qe3?? { (5.87 → 0.00) Blunder. Qc4 was best. } (22. Qc4 Nxe6) 22... O-O-O 23. Rfd1?? { (0.00 → -2.82) Blunder. e7 was best. } (23. e7 Rd7 24. Rcd1 Qe6 25. Qxe6 Nxe6 26. Nd5 Re8 27. g4 fxg4 28. Rfe1 Rd6 29. Kf2 g6) 23... Nxe6?? { (-2.82 → 3.89) Blunder. Qxe6 was best. } (23... Qxe6 24. Qxe6+ Nxe6 25. Nd5 Kb8 26. g3 Rhe8 27. Kf2 c6 28. Ne3 g6 29. h4 Ng7 30. Kf3) 24. Rxd8+?? { (3.89 → -3.23) Blunder. Qa7 was best. } (24. Qa7) 24... Kxd8?? { (-3.23 → 6.83) Blunder. Rxd8 was best. } (24... Rxd8) 25. Rd1+ Ke7 26. Nd5+ Kf7 27. Rc1?? { (6.92 → 0.00) Blunder. Nxc7 was best. } (27. Nxc7 Nxc7 28. Rd7+ Kg8 29. Rd8+ Kf7 30. Rxh8 Qc6 31. h3 Ne6 32. Rxh7 Qc2 33. Qe5 Qc1+) 27... h5?? { (0.00 → 1.57) Blunder. c6 was best. } (27... c6 28. Qb6 cxd5 29. Rc7+ Nxc7 30. Qxc7+ Ke6 31. Qb6+ Kd7 32. Qxb7+ Kd6 33. Qb6+ Ke7 34. Qc7+) 28. Nxc7 Re8?? { (1.67 → 8.30) Blunder. Nxc7 was best. } (28... Nxc7 29. Rxc7+) 29. Nxe8 Kxe8 30. Rc8+ Ke7 31. Qa3+ Kf6 32. Qc3+ Kf7 33. Rb8 Nxf4 34. Rxb7+ Kg8 35. Qc8+? { (8.44 → 3.97) Mistake. Qc4+ was best. } (35. Qc4+) 35... Kh7 36. Rb8?? { (3.23 → Mate in 1) Checkmate is now unavoidable. Qc2 was best. } (36. Qc2 h4) 36... Qxg2# { Black wins by checkmate. } 0-1