CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/fd6qX6TR"] [Date "2023.03.17"] [White "RoWaN"] [Black "Sebastian1"] [Result "1/2-1/2"] [UTCDate "2023.03.17"] [UTCTime "23:31:23"] [WhiteElo "1435"] [BlackElo "1123"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+114"] [WhiteTitle "NM🎼"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nc6?! { (0.32 → 0.92) Inaccuracy. Nf6 was best. } { A40 Mikenas Defense } (1... Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2) 2. b3?! { (0.92 → 0.04) Inaccuracy. d5 was best. } (2. d5) 2... d5 3. Bb2 h5 4. Nf3?! { (0.35 → -0.16) Inaccuracy. e3 was best. } (4. e3) 4... Rh6?! { (-0.16 → 0.73) Inaccuracy. Bf5 was best. } (4... Bf5 5. e3 Nb4 6. Na3 e6 7. c3 Nc6 8. Bd3 Bxd3 9. Qxd3 h4 10. h3 Qd7 11. O-O) 5. Ne5 Rd6? { (0.47 → 1.62) Mistake. Bf5 was best. } (5... Bf5 6. Nd2) 6. Nxc6?! { (1.62 → 0.72) Inaccuracy. e3 was best. } (6. e3 Nxe5 7. dxe5 Rh6 8. Bd3 Bg4 9. f3 Bd7 10. Nd2 e6 11. Qe2 Bc5 12. O-O Ne7) 6... bxc6?! { (0.72 → 1.62) Inaccuracy. Rxc6 was best. } (6... Rxc6 7. e3 Rg6 8. Qxh5 Bg4 9. Qh4 Bf5 10. Nc3 Bxc2 11. Rc1 Bf5 12. Qf4 e6 13. Nb5) 7. e3 Bg4 8. Be2?! { (1.86 → 1.25) Inaccuracy. f3 was best. } (8. f3 Bf5) 8... Bxe2 9. Qxe2 a5 10. Qxh5 g6?! { (1.93 → 3.03) Inaccuracy. Rh6 was best. } (10... Rh6) 11. Qh8 Nh6 12. Nd2 Rf6 13. O-O-O?? { (2.34 → 0.08) Blunder. h3 was best. } (13. h3 a4) 13... Qb8?? { (0.08 → 2.55) Blunder. Rxf2 was best. } (13... Rxf2 14. g4) 14. c4?? { (2.55 → -1.78) Blunder. f3 was best. } (14. f3 Nf5 15. g4 Nxe3 16. Rde1 Re6 17. Nf1 Ng2 18. Rxe6 fxe6 19. Nd2 Qb4 20. h4 O-O-O) 14... Qb4?? { (-1.78 → 1.69) Blunder. Rxf2 was best. } (14... Rxf2 15. Bc3) 15. Kb1?? { (1.69 → -2.17) Blunder. a3 was best. } (15. a3 Qb7 16. f3 dxc4 17. bxc4 Nf5 18. Rhe1 g5 19. Kc2 Re6 20. e4 Nh4 21. g3 Rh6) 15... a4?? { (-2.17 → 1.54) Blunder. Rxf2 was best. } (15... Rxf2) 16. bxa4?? { (1.54 → -6.55) Blunder. a3 was best. } (16. a3) 16... Rxa4?? { (-6.55 → -2.52) Blunder. Rb8 was best. } (16... Rb8) 17. a3?? { (-2.52 → -7.83) Blunder. f3 was best. } (17. f3 Nf5 18. Rhe1 Ra8 19. c5 Qa4 20. Nb3 Kd7 21. Qh3 Qxa2+ 22. Kc2 Ra4 23. Rd3 Rc4+) 17... Rxa3 18. Kc2? { (-7.98 → Mate in 7) Checkmate is now unavoidable. f3 was best. } (18. f3 Nf5) 18... Rxf2? { (Mate in 7 → -7.53) Lost forced checkmate sequence. Ra2 was best. } (18... Ra2 19. Kd3 Rxf2 20. Qxf8+ Kxf8 21. cxd5 Qxb2 22. Rc1 cxd5 23. Rhd1 Rxd2+ 24. Rxd2 Qxd2#) 19. Bxa3 Qxa3 20. Ra1 Qxe3 21. Ra8+ Kd7 22. Qxf8? { (-8.95 → Mate in 3) Checkmate is now unavoidable. Rd1 was best. } (22. Rd1 Nf5) 22... Ke6?? { (Mate in 3 → 3.68) Lost forced checkmate sequence. Rxd2+ was best. } (22... Rxd2+ 23. Kc1 Qc3+ 24. Kb1 Qb2#) 23. Qc8+ Kf6 24. Qxc7?? { (3.78 → Mate in 3) Checkmate is now unavoidable. Qh8+ was best. } (24. Qh8+) 24... Qxd4?? { (Mate in 3 → 0.00) Lost forced checkmate sequence. Rxd2+ was best. } (24... Rxd2+ 25. Kb1 Qb3+ 26. Ka1 Qb2#) 25. Rf1?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Qxc6+ was best. } (25. Qxc6+ Kg7 26. Rd1 Ng4 27. Qc8 Ne3+ 28. Kb3 dxc4+ 29. Ka3 Qc3+ 30. Ka4 Qc2+ 31. Kb4 Qb2+) 25... Rxf1?? { (Mate in 8 → 0.00) Lost forced checkmate sequence. Qxd2+ was best. } (25... Qxd2+ 26. Kb3 Rxf1 27. Qxc6+ Kg7 28. Ra1 Rxa1 29. Qf6+ exf6 30. cxd5 Rb1+ 31. Kc4 Qc2+ 32. Kd4) 26. Nxf1 Qg1?? { (-0.31 → 4.18) Blunder. Qxc4+ was best. } (26... Qxc4+ 27. Kd2) 27. Qxc6+ e6 28. cxd5? { (4.84 → 2.92) Mistake. Nd2 was best. } (28. Nd2 Nf5 29. Qe8 Ne3+ 30. Kd3 Nxg2 31. Qh8+ Kf5 32. Qh3+ Kf6 33. Qg3 dxc4+ 34. Ke2 Qd4) 28... Qxf1 29. dxe6?! { (2.70 → 1.89) Inaccuracy. Qc3+ was best. } (29. Qc3+ Kf5) 29... fxe6 30. Ra6?? { (1.87 → 0.27) Blunder. Qc3+ was best. } (30. Qc3+ e5 31. Qf3+ Qxf3 32. gxf3 Nf7 33. Kd3 Kf5 34. Rf8 Ke6 35. Ke3 Ng5 36. Re8+ Kf5) 30... Ng4?? { (0.27 → Mate in 11) Checkmate is now unavoidable. Qe2+ was best. } (30... Qe2+ 31. Kb3 Qd1+ 32. Kb4 Qd4+ 33. Qc4 Qxc4+ 34. Kxc4 Ng4 35. Ra3 Nxh2 36. Kd4 Ng4 37. Rf3+) 31. Qxe6+ Kg5 32. Qxg6+ Kh4 33. Qh6+?? { (Mate in 9 → -4.19) Lost forced checkmate sequence. Qh7+ was best. } (33. Qh7+ Kg5 34. Rg6+ Kf4 35. Qf7+ Ke4 36. Rxg4+ Ke5 37. Qxf1 Ke6 38. Rg6+ Ke7 39. Qf4 Kd8) 33... Nxh6 34. Rxh6+ Kg5 35. h4+?? { (-3.58 → -57.68) Blunder. Rd6 was best. } (35. Rd6 Qc4+ 36. Kd1 Qa4+ 37. Ke1 Qe4+ 38. Kd1 Qxg2 39. Rd3 Qf2 40. Rd8 Qc5 41. Rd3 Kf4) 35... Kxh6 36. g4 Qf2+ 37. Kb1 Qxh4 38. Kb2?! { (-57.73 → Mate in 10) Checkmate is now unavoidable. Kc2 was best. } (38. Kc2 Qh3 39. g5+ Kg7 40. Kb2 Kg6 41. Ka2 Qg4 42. Kb2 Qb4+ 43. Kc2 Kxg5 44. Kd3 Kh6) 38... Qxg4 39. Kc1?! { (-56.44 → Mate in 7) Checkmate is now unavoidable. Kb3 was best. } (39. Kb3 Qd4 40. Ka3 Qb6 41. Ka4 Kh7 42. Ka3 Kg7 43. Ka2 Kh6 44. Ka1 Qb5 45. Ka2) 39... Qc4+ 40. Kd2 Kg5 41. Ke3 Qc3+ 42. Ke4 Kf6 43. Kd5 Qa5+ 44. Kc4 Qa4+ 45. Kd3 Qa3+ 46. Ke4 Qa4+ 47. Kd5 Qa5+ 48. Kd4 Qa6 49. Ke4 Qb6 50. Kd5 Qa5+ 51. Kc4 Qa4+ 52. Kc5 Qa6 53. Kd5 Qa5+?? { (Mate in 6 → 0.00) Lost forced checkmate sequence. Qa4 was best. } { The game is a draw. } (53... Qa4 54. Kc5 Ke5 55. Kb6 Kd6 56. Kb7 Qb5+ 57. Ka8 Kc7 58. Ka7 Qb7#) 1/2-1/2