CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/xSH2NajF"] [Date "2022.10.10"] [White "Syra"] [Black "Evan3"] [Result "0-1"] [UTCDate "2022.10.10"] [UTCTime "23:36:00"] [WhiteElo "1128"] [BlackElo "876"] [WhiteRatingDiff "-231"] [BlackRatingDiff "+31"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. e4? { (0.38 → -0.71) Mistake. c4 was best. } (2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6) 2... dxe4 3. Nc3 e5?! { (-0.67 → -0.16) Inaccuracy. Nf6 was best. } (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. dxe5 { D00 Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation } h5?? { (-0.44 → 3.55) Blunder. Qxd1+ was best. } (4... Qxd1+) 5. Nf3?? { (3.55 → -7.56) Blunder. Qxd8+ was best. } (5. Qxd8+ Kxd8 6. Bf4 Ne7 7. O-O-O+ Ke8 8. Bc4 Na6 9. Nxe4 Ng6 10. Bg5 Bg4 11. Bb5+ c6) 5... g6?? { (-7.56 → 5.37) Blunder. Qxd1+ was best. } (5... Qxd1+ 6. Kxd1) 6. Bg5 c5?? { (4.31 → Mate in 1) Checkmate is now unavoidable. Qxd1+ was best. } (6... Qxd1+ 7. Rxd1) 7. Bxd8?! { (Mate in 1 → 10.81) Lost forced checkmate sequence. Qxd8# was best. } (7. Qxd8#) 7... b6 8. Bh4 exf3?! { (16.08 → Mate in 1) Checkmate is now unavoidable. Nc6 was best. } (8... Nc6 9. Qd5) 9. gxf3?! { (Mate in 1 → 12.89) Lost forced checkmate sequence. Qd8# was best. } (9. Qd8#) 9... Ba6?! { (12.89 → Mate in 1) Checkmate is now unavoidable. Nd7 was best. } (9... Nd7 10. Nb5) 10. Bxa6?! { (Mate in 1 → 16.00) Lost forced checkmate sequence. Qd8# was best. } (10. Qd8#) 10... Nxa6 11. O-O c4 12. b3 b5 13. Re1 cxb3 14. axb3 b4 15. Rxa6 bxc3?! { (14.51 → Mate in 3) Checkmate is now unavoidable. Be7 was best. } (15... Be7 16. Nd5) 16. Rc6?! { (Mate in 3 → 10.85) Lost forced checkmate sequence. Rxa7 was best. } (16. Rxa7 Nf6 17. Rxa8+ Ke7 18. exf6#) 16... Ne7 17. Rxc3 Bh6?! { (12.37 → Mate in 7) Checkmate is now unavoidable. g5 was best. } (17... g5 18. Rc7) 18. Bxe7 Kxe7?! { (64.59 → Mate in 4) Checkmate is now unavoidable. Bd2 was best. } (18... Bd2 19. Rc7 Rd8 20. Bxd8 O-O 21. Qxd2 a6 22. Bf6 a5 23. Qd5 a4 24. bxa4 h4 25. Qd7) 19. Rc7+ Ke8 20. Rc8+?! { (Mate in 2 → 12.36) Lost forced checkmate sequence. Qd7+ was best. } (20. Qd7+ Kf8 21. Qxf7#) 20... Ke7?! { (12.36 → Mate in 1) Checkmate is now unavoidable. Rxc8 was best. } (20... Rxc8 21. e6) 21. Re8+?! { (Mate in 1 → 10.42) Lost forced checkmate sequence. Qd6# was best. } (21. Qd6#) 21... Kxe8 22. Re3? { (9.05 → 4.42) Mistake. e6 was best. } (22. e6 Kf8) 22... Bxe3 23. fxe3 h4 24. h3 g5?! { (4.50 → 6.15) Inaccuracy. Rd8 was best. } (24... Rd8 25. Qa1) 25. c4? { (6.15 → 3.39) Mistake. Qd5 was best. } (25. Qd5 Rc8) 25... Rb8?! { (3.39 → 5.21) Inaccuracy. Rh6 was best. } (25... Rh6 26. Qa1) 26. c5 Rc8?! { (4.15 → 5.69) Inaccuracy. Rh6 was best. } (26... Rh6 27. Qd4) 27. e6?! { (5.69 → 4.14) Inaccuracy. Qd6 was best. } (27. Qd6) 27... Rxc5?? { (4.14 → Mate in 2) Checkmate is now unavoidable. fxe6 was best. } (27... fxe6 28. b4 Rh7 29. Qc2 Rhc7 30. Qg6+ Kd7 31. Kf1 Rd8 32. Qxg5 Kc8 33. Qe5 Rd1+ 34. Ke2) 28. b4?? { (Mate in 2 → 6.58) Lost forced checkmate sequence. Qd7+ was best. } (28. Qd7+ Kf8 29. Qxf7#) 28... Rf5 29. b5?? { (11.48 → 0.50) Blunder. Qd7+ was best. } (29. Qd7+) 29... Rxb5?? { (0.50 → Mate in 2) Checkmate is now unavoidable. fxe6 was best. } (29... fxe6 30. Qa4) 30. exf7+?? { (Mate in 2 → 0.26) Lost forced checkmate sequence. Qd7+ was best. } (30. Qd7+ Kf8 31. Qxf7#) 30... Kxf7?? { (0.26 → 5.77) Blunder. Ke7 was best. } (30... Ke7 31. f4 Rhb8 32. Kf2 gxf4 33. e4 R8b7 34. Qd4 Kxf7 35. Kf3 Kg6 36. Qh8 Rb3+ 37. Kg4) 31. e4?? { (5.77 → 0.03) Blunder. Qd7+ was best. } (31. Qd7+ Kg6 32. Qc6+ Kh7 33. Qxb5 Rf8 34. f4 gxf4 35. Qh5+ Kg8 36. Qg6+ Kh8 37. Kf2 a5) 31... a5?? { (0.03 → 6.07) Blunder. Ke6 was best. } (31... Ke6) 32. Qa1?? { (6.07 → -0.31) Blunder. Qd7+ was best. } (32. Qd7+ Kg6 33. Qxb5 a4 34. Qf5+ Kh6 35. Qf6+ Kh7 36. e5 a3 37. Qf7+ Kh6 38. f4 gxf4) 32... Kg8?? { (-0.31 → 3.15) Blunder. Rhb8 was best. } (32... Rhb8 33. Qa4) 33. e5?? { (3.15 → 0.00) Blunder. Qc1 was best. } (33. Qc1) 33... Rxe5?? { (0.00 → 5.21) Blunder. Rh6 was best. } (33... Rh6 34. Qd4 Rhb6 35. Kf2 Rb2+ 36. Ke1 Rb1+ 37. Kd2 R6b2+ 38. Kc3 Rb3+ 39. Kc2 R1b2+ 40. Kc1) 34. f4?? { (5.21 → -0.33) Blunder. Qxe5 was best. } (34. Qxe5) 34... Rb5 35. f5?! { (0.00 → -0.77) Inaccuracy. Qc3 was best. } (35. Qc3 Rf5 36. Qc8+ Rf8 37. Qe6+ Kh7 38. Qe7+ Kg6 39. Qxg5+ Kf7 40. Kf2 Rhg8 41. Qf5+ Kg7) 35... Rxf5 36. Qxa5?? { (-0.82 → Mate in 8) Checkmate is now unavoidable. Qb1 was best. } (36. Qb1 Rf6 37. Qb7 Rf7 38. Qd5 Rh6 39. Qxa5 Rhf6 40. Qd8+ Kg7 41. Qd2 Kh6 42. Qe2 Rf8) 36... Rxa5 37. Kh2 Ra3 38. Kg1 Rh7 39. Kh2 Rc7 40. Kh1 Rc2 41. Kg1 Ra1# { Black wins by checkmate. } 0-1