CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/2RNnE3RX"] [Date "2022.07.01"] [White "Olivia"] [Black "Mason2"] [Result "0-1"] [UTCDate "2022.07.01"] [UTCTime "23:13:52"] [WhiteElo "1364"] [BlackElo "1612"] [WhiteRatingDiff "-76"] [BlackRatingDiff "+3"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A80"] [Opening "Blackmar-Diemer Gambit: Netherlands Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.21 → 0.87) Inaccuracy. e5 was best. } (1... e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. O-O) 2. d4?? { (0.87 → -0.71) Blunder. exd5 was best. } (2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bd2 Bf5) 2... dxe4 3. Nc3 f5?! { (-0.67 → 0.12) Inaccuracy. Nf6 was best. } { A80 Blackmar-Diemer Gambit: Netherlands Variation } (3... Nf6 4. Bg5 g6 5. Qd2 Nbd7 6. O-O-O c6 7. Nge2 h6 8. Bf4 Bg7 9. Ng3 Nd5 10. Ngxe4) 4. f3 exf3? { (-0.28 → 1.17) Mistake. e5 was best. } (4... e5) 5. gxf3?? { (1.17 → -1.00) Blunder. Nxf3 was best. } (5. Nxf3 e6 6. Bc4 Nf6 7. Qe2 Bd6 8. Bd2 O-O 9. O-O-O Kh8 10. Bxe6 Bxe6 11. Qxe6 Qd7) 5... Be6? { (-1.00 → 0.45) Mistake. e5 was best. } (5... e5 6. h4 exd4 7. Nb5 a6 8. Nxd4 Be7 9. Bg5 Bxg5 10. hxg5 Qxg5 11. Bc4 Bd7 12. Qe2+) 6. Bh3? { (0.45 → -0.69) Mistake. Bf4 was best. } (6. Bf4 Nf6) 6... Nc6?? { (-0.69 → 3.73) Blunder. Bc4 was best. } (6... Bc4 7. b3) 7. Nge2?? { (3.73 → -0.63) Blunder. d5 was best. } (7. d5 Nb4 8. dxe6 Qxd1+ 9. Kxd1 O-O-O+ 10. Bd2 g6 11. Kc1 Rxd2 12. Kxd2 Bh6+ 13. Ke2 c6) 7... Nb8?? { (-0.63 → 1.20) Blunder. Nf6 was best. } (7... Nf6 8. Bg5 Nd5 9. Nxd5 Bxd5 10. Bxf5 Bxf3 11. O-O Qd5 12. Qd3 Bxe2 13. Qxe2 Nxd4 14. Qe4) 8. Nf4?! { (1.20 → 0.51) Inaccuracy. d5 was best. } (8. d5 Bf7 9. Bxf5 g6 10. Bh3 c6 11. Nf4 Nf6 12. Be3 Bg7 13. Ne6 Bxe6 14. Bxe6 Nxd5) 8... Bc8? { (0.51 → 1.68) Mistake. Bd7 was best. } (8... Bd7 9. d5) 9. Ncd5?? { (1.68 → -3.05) Blunder. Qe2 was best. } (9. Qe2 Nf6) 9... Nf6?? { (-3.05 → 0.34) Blunder. g5 was best. } (9... g5 10. Qe2 gxf4 11. c4 c6 12. Qe5 cxd5 13. Qxh8 Nf6 14. Bxf4 Nc6 15. Rg1 Nxd4 16. Kf1) 10. c4? { (0.34 → -1.10) Mistake. Nxf6+ was best. } (10. Nxf6+ gxf6 11. d5 Qd6 12. Be3 Bh6 13. Qd2 e5 14. dxe6 Bxf4 15. Bxf4 Qxd2+ 16. Kxd2 Bxe6) 10... Nxd5 11. cxd5 Nd7?? { (-0.77 → 8.44) Blunder. g6 was best. } (11... g6 12. Bf1) 12. O-O?? { (8.44 → -0.56) Blunder. Ne6 was best. } (12. Ne6 Nf6 13. Nxd8 Kxd8 14. Qb3 a5 15. Bf4 g5 16. Be5 Bg7 17. Rc1 Ne8 18. Bxc7+ Nxc7) 12... Nf6 13. Qd3 Bd7?? { (-1.42 → 1.27) Blunder. g6 was best. } (13... g6 14. Qb5+ Qd7 15. Qc4 c6 16. dxc6 Qxc6 17. Qe2 Bg7 18. Bd2 O-O 19. Rfe1 Nd5 20. Bf1) 14. Re1?! { (1.27 → 0.38) Inaccuracy. Bxf5 was best. } (14. Bxf5 Bxf5) 14... g6 15. Bf1 Bh6? { (0.18 → 1.49) Mistake. g5 was best. } (15... g5 16. Ne6) 16. Ne6?? { (1.49 → -1.44) Blunder. Qb3 was best. } (16. Qb3 a6) 16... Bxe6 17. dxe6?? { (-1.64 → -3.82) Blunder. Bxh6 was best. } (17. Bxh6 Bxd5 18. Bg7 Kf7 19. Bxh8 Qxh8 20. Qc3 c6 21. Bc4 e6 22. Re5 Re8 23. Rae1 Qf8) 17... Bxc1 18. Raxc1 c6 19. b4 Qc7?! { (-3.90 → -2.91) Inaccuracy. O-O was best. } (19... O-O 20. Qe3) 20. d5?! { (-2.91 → -4.51) Inaccuracy. b5 was best. } (20. b5 O-O) 20... Nxd5?? { (-4.51 → 4.05) Blunder. Qb6+ was best. } (20... Qb6+ 21. Kh1) 21. b5?? { (4.05 → -4.89) Blunder. Qxd5 was best. } (21. Qxd5 O-O) 21... O-O-O?? { (-4.89 → -0.43) Blunder. Qb6+ was best. } (21... Qb6+ 22. Kh1) 22. bxc6 bxc6 23. Qb3?? { (0.00 → -1.87) Blunder. Qa6+ was best. } (23. Qa6+ Kb8 24. Rxc6 Qb7 25. Rec1 Qxa6 26. Rxa6 Rc8 27. Rb1+ Ka8 28. f4 Rb8 29. Rd1 Ne3) 23... Nb6?? { (-1.87 → 0.00) Blunder. Qb6+ was best. } (23... Qb6+ 24. Qxb6) 24. a4 Nd7?? { (-0.39 → Mate in 2) Checkmate is now unavoidable. Rd2 was best. } (24... Rd2 25. Be2 Nd5 26. Ba6+ Kd8 27. Re2 Rxe2 28. Bxe2 Qb6+ 29. Qxb6+ Nxb6 30. Rxc6 Nc8 31. Kf2) 25. a5?? { (Mate in 2 → 2.63) Lost forced checkmate sequence. Ba6+ was best. } (25. Ba6+ Qb7 26. Qxb7#) 25... Nb8 26. Qa3?? { (2.87 → -1.62) Blunder. Re2 was best. } (26. Re2 Qxa5 27. Kh1 Rd4 28. Rb2 Kc7 29. Qe3 Qd5 30. Qa3 Rd1 31. Rxd1 Qxd1 32. Qxe7+ Nd7) 26... c5?? { (-1.62 → 10.53) Blunder. Rd2 was best. } (26... Rd2 27. Be2 Rhd8 28. Rb1 R8d3 29. Qb4 Rd4 30. Qc5 Rh4 31. Qf2 Rhd4 32. a6 Qf4 33. Rb7) 27. Rxc5 Nc6 28. Qc3 Rd6?! { (14.55 → Mate in 8) Checkmate is now unavoidable. Kb7 was best. } (28... Kb7 29. Rb1+) 29. Ree5? { (Mate in 8 → 7.08) Lost forced checkmate sequence. Ba6+ was best. } (29. Ba6+ Kb8 30. Rxc6 Rxc6 31. Qxh8+ Qc8 32. Rb1+ Ka8 33. Bxc8 Rc1+ 34. Rxc1 a6 35. Qb2 Ka7) 29... Kd8 { Black wins on time. } 0-1