CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/Dk34U1F0"] [Date "2022.02.01"] [White "Hikerboyz"] [Black "Jay1"] [Result "0-1"] [UTCDate "2022.02.01"] [UTCTime "15:03:45"] [WhiteElo "1691"] [BlackElo "1654"] [WhiteRatingDiff "-34"] [BlackRatingDiff "+25"] [WhiteTitle "GM"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. d3 Bc5 4. Bg5?! { (0.31 → -0.26) Inaccuracy. Nf3 was best. } (4. Nf3 d6 5. O-O O-O 6. c3 Bb6 7. Bb3 c6 8. Nbd2 Re8 9. Re1 Nbd7 10. d4 exd4) 4... h6 5. Bxf6 gxf6?? { (-0.59 → 1.38) Blunder. Qxf6 was best. } (5... Qxf6 6. Qf3 Qe7 7. c3 d6 8. a4 a5 9. Ne2 Nc6 10. Nd2 Bd7 11. Nf1 O-O-O 12. Ne3) 6. Nf3 O-O?? { (1.05 → 3.14) Blunder. c6 was best. } (6... c6 7. Nc3) 7. O-O?? { (3.14 → 1.27) Blunder. Nh4 was best. } (7. Nh4 f5) 7... d6 8. Nc3 Bg4?! { (1.52 → 2.62) Inaccuracy. f5 was best. } (8... f5) 9. h3 Bxf3?! { (2.82 → 4.23) Inaccuracy. Bh5 was best. } (9... Bh5 10. Qd2 Kh7 11. Nh4 Bg6 12. Kh1 c6 13. f4 f5 14. Nxf5 Bxf5 15. exf5 d5 16. fxe5) 10. gxf3?? { (4.23 → -0.62) Blunder. Qxf3 was best. } (10. Qxf3 a5) 10... Nc6?? { (-0.62 → 3.20) Blunder. f5 was best. } (10... f5 11. Kh2) 11. Nd5?? { (3.20 → -1.58) Blunder. f4 was best. } (11. f4) 11... Bd4?? { (-1.58 → 4.56) Blunder. f5 was best. } (11... f5) 12. c3? { (4.56 → 2.86) Mistake. f4 was best. } (12. f4) 12... Bc5?? { (2.86 → 6.02) Blunder. f5 was best. } (12... f5 13. f4 Qh4 14. Kh2 Kh8 15. exf5 Rg8 16. Qf3 h5 17. Nf6 exf4 18. cxd4 Nxd4 19. Qxh5+) 13. d4 exd4 14. cxd4?? { (5.15 → 0.24) Blunder. f4 was best. } (14. f4 dxc3 15. Kh2 Kh7 16. Qh5 Rg8 17. Bd3 Rg6 18. Rg1 Ne5 19. fxe5 Bxf2 20. Rg4 cxb2) 14... Bxd4?? { (0.24 → 2.87) Blunder. Nxd4 was best. } (14... Nxd4 15. b4 f5 16. f4 Qh4 17. bxc5 dxc5 18. Qh5 Qxh5 19. Nf6+ Kh8 20. Nxh5 b5 21. Bxb5) 15. Nf4?? { (2.87 → -3.12) Blunder. f4 was best. } (15. f4 Kh8 16. Qh5 Rg8+ 17. Kh1 Rg6 18. Rg1 Qf8 19. Rxg6 fxg6 20. Qxg6 Ne7 21. Nxe7 Qxe7) 15... Bxb2?? { (-3.12 → 0.37) Blunder. f5 was best. } (15... f5 16. Bd5) 16. Rb1 Bd4 17. Rxb7? { (0.00 → -1.24) Mistake. Ng6 was best. } (17. Ng6 f5 18. f4 fxe4 19. Qg4 Na5 20. Ne5+ Kh7 21. Qf5+ Kg7 22. Qg4+) 17... Rb8?? { (-1.24 → 4.29) Blunder. Qc8 was best. } (17... Qc8) 18. Rxb8 Qxb8 19. Bd5 Qb6? { (3.52 → 6.73) Mistake. Ne5 was best. } (19... Ne5 20. Nh5 c6 21. f4 Qc8 22. Kg2 cxd5 23. Qxd4 Nd7 24. Rg1 Kh7 25. Kh2 Rg8 26. Qxd5) 20. Bxc6 Qxc6 21. Kh1?? { (7.69 → -0.03) Blunder. Qxd4 was best. } (21. Qxd4) 21... Qb6?? { (-0.03 → 1.66) Blunder. Qc4 was best. } (21... Qc4 22. Rg1+) 22. Rg1+?? { (1.66 → 0.00) Blunder. Nd5 was best. } (22. Nd5 Qb2) 22... Kh8?? { (0.00 → 5.94) Blunder. Kh7 was best. } (22... Kh7 23. Nd5 Qb2 24. f4 Bxf2 25. Rg2 Rg8 26. Rxg8 Kxg8 27. Qg4+ Kf8 28. Qc8+ Kg7 29. Qg4+) 23. a4?? { (5.94 → -1.69) Blunder. Nd5 was best. } (23. Nd5) 23... c5?? { (-1.69 → 0.37) Blunder. Bxf2 was best. } (23... Bxf2 24. Nd5) 24. Nd5?! { (0.37 → -0.29) Inaccuracy. Qc1 was best. } (24. Qc1 Kh7) 24... Qc6?? { (-0.29 → 6.89) Blunder. Qb2 was best. } (24... Qb2) 25. Ne7 Qb6?? { (6.77 → Mate in 4) Checkmate is now unavoidable. Qd7 was best. } (25... Qd7 26. Nf5) 26. Nd5?? { (Mate in 4 → -0.16) Lost forced checkmate sequence. Qc1 was best. } (26. Qc1 Kh7 27. Nf5 Be3 28. Qxe3 Qb2 29. Qxh6#) 26... Qa5?? { (-0.16 → 7.77) Blunder. Qb2 was best. } (26... Qb2) 27. Ne7?? { (7.77 → -0.68) Blunder. Qc1 was best. } (27. Qc1) 27... Rb8?? { (-0.68 → Mate in 5) Checkmate is now unavoidable. Qc3 was best. } (27... Qc3 28. Nf5 Bxf2 29. Rg2 Qe1+ 30. Qxe1 Bxe1 31. Kg1 Bc3 32. Nxh6 Be5 33. Rg4 Rb8 34. Nxf7+) 28. Nc6? { (Mate in 5 → 7.13) Lost forced checkmate sequence. Qc1 was best. } (28. Qc1 Be3 29. Qxe3 Kh7 30. Nf5 Qd2 31. Qxd2 c4 32. Qxh6#) 28... Qc7 29. Nxb8?? { (9.25 → 3.62) Blunder. Qc1 was best. } (29. Qc1) 29... Qxb8 30. a5?! { (4.08 → 3.08) Inaccuracy. Qd2 was best. } (30. Qd2) 30... a6?! { (3.08 → 4.23) Inaccuracy. Qc8 was best. } (30... Qc8 31. Kg2) 31. f4 Qc7?? { (4.86 → Mate in 2) Checkmate is now unavoidable. Bxf2 was best. } (31... Bxf2 32. Rg2) 32. e5?? { (Mate in 2 → 6.69) Lost forced checkmate sequence. Qg4 was best. } (32. Qg4 f5 33. Qg8#) 32... dxe5?? { (6.69 → Mate in 4) Checkmate is now unavoidable. Qb7+ was best. } (32... Qb7+ 33. Kh2) 33. fxe5?? { (Mate in 4 → 4.14) Lost forced checkmate sequence. Qg4 was best. } (33. Qg4 Qb7+ 34. Kh2 Qh1+ 35. Kxh1 exf4 36. Qg7#) 33... fxe5? { (4.14 → 8.60) Mistake. Qb7+ was best. } (33... Qb7+ 34. Rg2) 34. f3?? { (8.60 → -7.26) Blunder. Qg4 was best. } (34. Qg4) 34... Qxa5?? { (-7.26 → 0.00) Blunder. Bxg1 was best. } (34... Bxg1 35. Kxg1 Qxa5 36. Qe2 Qa1+ 37. Kg2 Qd4 38. Qxa6 Kg7 39. Qc8 c4 40. Qf5 Qf4 41. Qc8) 35. Qa1?? { (0.00 → -13.57) Blunder. Rg2 was best. } (35. Rg2 Qd8 36. Qd3 Qc8 37. Kh2 a5 38. Qe4 Qf8 39. Kh1 a4 40. Qc6 e4 41. fxe4 a3) 35... Bxa1 36. Rxa1?! { (-57.09 → Mate in 8) Checkmate is now unavoidable. Kh2 was best. } (36. Kh2 Bd4) 36... Qxa1+ 37. Kh2 c4 38. f4 c3 39. fxe5 Kg8 40. e6 Qa3 41. e7 Qxe7 42. h4 Qe3 43. h5 c2 44. Kg2 c1=Q 45. Kh2 Qc2+ 46. Kh1 Qe1# { Black wins by checkmate. } 0-1