CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/iNQCIZCQ"] [Date "2022.08.30"] [White "Nikolai"] [Black "Aydihn"] [Result "1/2-1/2"] [UTCDate "2022.08.30"] [UTCTime "14:33:17"] [WhiteElo "1157"] [BlackElo "1572"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-79"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Borg Defense: Borg Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 g5?? { (0.32 → 3.16) Blunder. Nf6 was best. } { A40 Borg Defense: Borg Gambit } (1... Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2) 2. Nf3?? { (3.16 → 0.79) Blunder. Bxg5 was best. } (2. Bxg5) 2... Nf6?? { (0.79 → 3.16) Blunder. g4 was best. } (2... g4 3. Nh4 d5 4. g3 Nc6 5. Bg2 Bg7 6. Nc3 Be6 7. O-O Bxd4 8. e4 dxe4 9. Nxe4) 3. Nc3?? { (3.16 → 0.86) Blunder. Bxg5 was best. } (3. Bxg5 d5) 3... d6?? { (0.86 → 3.85) Blunder. g4 was best. } (3... g4 4. Nd2 d5 5. e4 Nxe4 6. Ndxe4 dxe4 7. Be3 Bg7 8. Nxe4 Nc6 9. c3 Qd5 10. Nc5) 4. e4?? { (3.85 → 1.62) Blunder. Bxg5 was best. } (4. Bxg5) 4... Nbd7?? { (1.62 → 4.00) Blunder. g4 was best. } (4... g4 5. Nh4 Nc6 6. Be3 a6 7. g3 e5 8. d5 Ne7 9. Bg5 Bg7 10. h3 h5 11. hxg4) 5. Bc4? { (4.00 → 2.46) Mistake. Bxg5 was best. } (5. Bxg5) 5... Bg7?? { (2.46 → 7.07) Blunder. h6 was best. } (5... h6 6. e5 g4 7. exf6 gxf3 8. Qxf3 Nxf6 9. O-O Bg7 10. Re1 O-O 11. Bd3 e6 12. a4) 6. Bxg5? { (7.07 → 3.73) Mistake. e5 was best. } (6. e5 Ng4 7. Nxg5 Ndxe5 8. dxe5 Nxe5 9. Be2 Bf5 10. Nce4 Qd7 11. Ng3 Bg6 12. f4 h6) 6... h6 7. Bf4 O-O?! { (4.01 → 6.52) Inaccuracy. c6 was best. } (7... c6 8. O-O Nf8 9. Nh4 Nxe4 10. Nxe4 d5 11. Qh5 Ne6 12. Bg3 Ng5 13. Ng6 fxg6 14. Qxg6+) 8. O-O?! { (6.52 → 4.25) Inaccuracy. Qd2 was best. } (8. Qd2) 8... Ng4 9. e5?? { (4.59 → 1.29) Blunder. h3 was best. } (9. h3 e5 10. Bg3 exd4 11. Bh4 Ngf6 12. Qxd4 Qe7 13. Rad1 Ne5 14. Nxe5 Qxe5 15. Qe3 Be6) 9... dxe5 10. dxe5 Ndxe5 11. Nxe5?! { (1.78 → 0.85) Inaccuracy. Qe2 was best. } (11. Qe2 Nxc4 12. Qxc4 Be6 13. Qe2 c6 14. h3 Nf6 15. Rad1 Qb6 16. Nd4 Bd7 17. Qd2 c5) 11... Bxe5?! { (0.85 → 1.80) Inaccuracy. Nxe5 was best. } (11... Nxe5) 12. Qxg4+?? { (1.80 → -2.19) Blunder. Bxe5 was best. } (12. Bxe5) 12... Bg7?? { (-2.19 → 10.38) Blunder. Bxg4 was best. } (12... Bxg4 13. Bxe5) 13. Qd1 Bxc3 14. bxc3 Qd7 15. Qxd7 Bxd7 16. Bxc7?? { (9.46 → 1.85) Blunder. a4 was best. } (16. a4 Rfd8) 16... Rac8 17. Bxf7+ Rxf7?! { (1.83 → 2.75) Inaccuracy. Kxf7 was best. } (17... Kxf7 18. Be5) 18. Bg3?? { (2.75 → 0.95) Blunder. Be5 was best. } (18. Be5 Rc5 19. Rfe1 Ra5 20. Bd4 Kf8 21. Re3 Rff5 22. c4 b6 23. f3 Ra4 24. Rae1 Rxc4) 18... Rf5? { (0.95 → 2.07) Mistake. Rxc3 was best. } (18... Rxc3 19. Rfd1) 19. Rac1? { (2.07 → 0.57) Mistake. Rfe1 was best. } (19. Rfe1 Rxc3) 19... Rfc5? { (0.57 → 1.94) Mistake. Rxc3 was best. } (19... Rxc3) 20. Rfd1?! { (1.94 → 1.20) Inaccuracy. Rfe1 was best. } (20. Rfe1) 20... Rd8?? { (1.20 → 4.59) Blunder. Be6 was best. } (20... Be6) 21. f3?! { (4.59 → 3.60) Inaccuracy. Rd3 was best. } (21. Rd3) 21... Rxc3 22. a4?? { (4.33 → 1.77) Blunder. Rd5 was best. } (22. Rd5 Kf7) 22... Ra3?? { (1.77 → 7.37) Blunder. Rcc8 was best. } (22... Rcc8 23. a5 Bf5 24. Rxd8+ Rxd8 25. Bf4 h5 26. Rb1 b6 27. Rb5 e6 28. axb6 axb6 29. Rxb6) 23. Ra1?? { (7.37 → 0.51) Blunder. Bc7 was best. } (23. Bc7 Kh7) 23... Rxa1 24. Rxa1 a5?? { (0.87 → 3.38) Blunder. Rc8 was best. } (24... Rc8 25. Rb1) 25. Rf1?? { (3.38 → 0.11) Blunder. Rd1 was best. } (25. Rd1 Kf7) 25... Bxa4 26. c4? { (0.06 → -1.24) Mistake. Bc7 was best. } (26. Bc7 Ra8 27. Ra1 Bxc2 28. Rxa5 Rxa5 29. Bxa5 h5 30. Kf2 Kh7 31. Kg3 e5 32. Bc3 e4) 26... Bb3 27. c5 Bc4?! { (-1.47 → -0.48) Inaccuracy. a4 was best. } (27... a4 28. Ra1) 28. Rc1 Bb5 29. Rb1 Bd3?? { (-0.93 → 3.14) Blunder. Bc6 was best. } (29... Bc6 30. Bc7 Ra8 31. Ra1 a4 32. Ra3 Kf7 33. Kf2 Ke6 34. Bf4 h5 35. Bc1 Kf5 36. Re3) 30. Rxb7 Bc2? { (2.98 → 4.69) Mistake. Rc8 was best. } (30... Rc8 31. Bf2 a4 32. Rxe7 Ra8 33. c6 a3 34. Bd4 a2 35. Kf2 Kf8 36. Rb7 Ba6 37. Rg7) 31. c6 Rc8 32. c7 Ba4 33. Rb8 Rxb8?? { (5.21 → Mate in 12) Checkmate is now unavoidable. Bd7 was best. } (33... Bd7 34. Rb6) 34. cxb8=Q+ Kf7 35. Qb4?? { (Mate in 12 → 0.00) Lost forced checkmate sequence. Qf4+ was best. } (35. Qf4+ Ke6 36. Qxa4 Kd5 37. Qb5+ Ke6 38. Qc6+ Kf7 39. Bh4 a4 40. Qd7 h5 41. Qxe7+ Kg6) 35... Bc2?? { (0.00 → 67.17) Blunder. axb4 was best. } (35... axb4 36. Be1 b3 37. Bc3 Ke6 38. Kf2 Kd5 39. Ke3 e5 40. g4 Be8 41. Bb2 h5 42. Ba3) 36. Qxa5 Kg6?! { (63.94 → Mate in 10) Checkmate is now unavoidable. Kf8 was best. } (36... Kf8 37. Qh5) 37. Qd2?! { (Mate in 10 → 67.17) Lost forced checkmate sequence. Qc5 was best. } (37. Qc5 Kf7 38. Qxc2 Ke6 39. Qc6+ Kf7 40. Qd7 Kf6 41. Bh4+ Kg6 42. Qe6+ Kg7 43. Qxe7+ Kg6) 37... Ba4?! { (67.17 → Mate in 11) Checkmate is now unavoidable. Bf5 was best. } (37... Bf5 38. Qe3) 38. Qd3+ Kf6 39. Qd4+ Ke6 40. Qxa4 Kd5 41. Qe4+ Kc5 42. f4 Kd6 43. f5+ Kd7 44. Qe6+ Ke8 45. Bh4 h5 46. Bxe7 h4 47. Bxh4+ Kf8 48. f6?? { (Mate in 3 → 0.00) Lost forced checkmate sequence. Be7+ was best. } { Draw by stalemate. } (48. Be7+ Kg7 49. Qg6+ Kh8 50. Bf6#) 1/2-1/2