CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/iY5E3ePA"] [Date "2022.07.29"] [White "ViVi"] [Black "MightyRook"] [Result "1-0"] [UTCDate "2022.07.29"] [UTCTime "20:21:16"] [WhiteElo "1251"] [BlackElo "1090"] [WhiteRatingDiff "+18"] [BlackRatingDiff "-7"] [BlackTitle "NM"] [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. e3 Na5?! { (0.61 → 1.21) Inaccuracy. e5 was best. } (2... e5 3. d5 Nce7 4. e4 d6 5. c4 f5 6. exf5 Nxf5 7. Nc3 g6 8. Bd3 Bh6 9. Nf3) 3. Nc3 g5?? { (0.75 → 3.59) Blunder. d5 was best. } (3... d5 4. a3) 4. Nf3? { (3.59 → 1.66) Mistake. e4 was best. } (4. e4 e6) 4... Nf6?! { (1.66 → 2.48) Inaccuracy. g4 was best. } (4... g4 5. Nd2 h5 6. e4 Bg7 7. h3 d6 8. Nb3 c6 9. Qd3 Nf6 10. hxg4 Nxb3 11. axb3) 5. Bd3?! { (2.48 → 1.74) Inaccuracy. Nxg5 was best. } (5. Nxg5 d5) 5... b6? { (1.74 → 3.58) Mistake. g4 was best. } (5... g4 6. Nd2) 6. O-O?! { (3.58 → 2.73) Inaccuracy. Nxg5 was best. } (6. Nxg5) 6... Bh6?? { (2.73 → 6.84) Blunder. g4 was best. } (6... g4) 7. Kh1?? { (6.84 → 2.64) Blunder. e4 was best. } (7. e4 Bb7 8. Nxg5 c5 9. d5 c4 10. Be2 Qc7 11. Be3 Bg7 12. f4 h6 13. Nf3 O-O) 7... g4 8. g3?? { (2.47 → -3.17) Blunder. Nd2 was best. } (8. Nd2 Nc6) 8... gxf3 9. Qxf3 b5?? { (-3.79 → -1.52) Blunder. Nc6 was best. } (9... Nc6 10. Ne4 Nxe4 11. Bxe4 Bg7 12. b4 Rb8 13. Ba3 e6 14. c4 Qe7 15. Qh5 Nd8 16. f4) 10. Nxb5?! { (-1.52 → -2.20) Inaccuracy. e4 was best. } (10. e4 Bxc1 11. Raxc1 Bb7 12. Bxb5 a6 13. Be2 Nc6 14. Qe3 d6 15. Kg1 e5 16. dxe5 dxe5) 10... a6 11. Nc3 Bb7? { (-2.44 → -1.04) Mistake. Nc6 was best. } (11... Nc6) 12. Qg2?? { (-1.04 → -9.46) Blunder. d5 was best. } (12. d5 c5 13. b3 e6 14. e4 Bxc1 15. Raxc1 d6 16. Rce1 h5 17. Nd1 Ng4 18. Qe2 Ne5) 12... Nc6?? { (-9.46 → -2.44) Blunder. Bxg2+ was best. } (12... Bxg2+ 13. Kxg2 d6 14. Ne4 Nd7 15. f4 e6 16. h4 f6 17. g4 d5 18. Ng3 Nc6 19. g5) 13. Bd2 Nb4?? { (-2.48 → 3.89) Blunder. Rb8 was best. } (13... Rb8 14. f3) 14. a3?? { (3.89 → -9.28) Blunder. Qxb7 was best. } (14. Qxb7 Rb8 15. Qf3 Nxd3 16. cxd3 Rxb2 17. Bc1 Rb6 18. e4 Bxc1 19. Rfxc1 O-O 20. Kg2 c6) 14... Nxc2?? { (-9.28 → 0.77) Blunder. Bxg2+ was best. } (14... Bxg2+ 15. Kxg2 Nxd3 16. cxd3 O-O 17. Rfc1 Qb8 18. Rc2 Bg7 19. b4 Qb7+ 20. e4 Qc6 21. Bg5) 15. Rac1?? { (0.77 → -10.77) Blunder. Qxb7 was best. } (15. Qxb7) 15... Nxe3?? { (-10.77 → 1.93) Blunder. Bxg2+ was best. } (15... Bxg2+ 16. Kxg2 Nxd4 17. Ne4 Nb3 18. Nxf6+ exf6 19. Rfd1 Nxc1 20. Rxc1 Bg7 21. Rc5 h6 22. Ra5) 16. fxe3?? { (1.93 → -7.38) Blunder. Qxb7 was best. } (16. Qxb7) 16... Nd5?? { (-7.38 → 9.61) Blunder. Bxg2+ was best. } (16... Bxg2+) 17. Nxd5 c5 18. Nc3?? { (11.19 → -5.07) Blunder. Rxc5 was best. } (18. Rxc5) 18... Bxg2+ 19. Kxg2 Rg8?? { (-5.41 → -1.76) Blunder. cxd4 was best. } (19... cxd4) 20. Be4?? { (-1.76 → -5.06) Blunder. dxc5 was best. } (20. dxc5) 20... a5?? { (-5.06 → -2.47) Blunder. Rb8 was best. } (20... Rb8) 21. Bxa8? { (-2.47 → -4.50) Mistake. Nb5 was best. } (21. Nb5 Rb8 22. Rxc5 Rg5 23. Nc7+ Kf8 24. Rc2 Rc8 25. Rfc1 Kg8 26. h4 Rg6 27. Bxg6 hxg6) 21... Qxa8+ 22. Kg1 Rg4 23. Rce1?! { (-4.57 → -6.90) Inaccuracy. dxc5 was best. } (23. dxc5) 23... Bxe3+?? { (-6.90 → 1.60) Blunder. cxd4 was best. } (23... cxd4) 24. Rxe3?? { (1.60 → -1.48) Blunder. Bxe3 was best. } (24. Bxe3 cxd4 25. Bxd4 Kf8 26. Be3 f6 27. Rf5 Kf7 28. Rh5 Kg6 29. Rd5 d6 30. Bf2 Kf7) 24... f5?? { (-1.48 → 5.19) Blunder. cxd4 was best. } (24... cxd4 25. Nb5 Qb8 26. Rb3 Qb6 27. Be1 Qc5 28. Bxa5 f6 29. Be1 h5 30. Bf2 e5 31. h3) 25. Rxf5 cxd4 26. Nb5?? { (7.17 → 2.19) Blunder. Nd5 was best. } (26. Nd5 Qxd5) 26... dxe3?? { (2.19 → 9.69) Blunder. Qc6 was best. } (26... Qc6 27. Bxa5) 27. Bxe3?? { (9.69 → -7.16) Blunder. Nc7+ was best. } (27. Nc7+ Kd8 28. Nxa8 e6 29. Bxa5+ Ke7 30. Re5 h5 31. Rxh5 d5 32. Nb6 Re4 33. Kg2 Kd6) 27... e6?? { (-7.16 → 3.74) Blunder. Qe4 was best. } (27... Qe4) 28. Kf2?? { (3.74 → -6.84) Blunder. Nc7+ was best. } (28. Nc7+) 28... exf5?? { (-6.84 → 0.87) Blunder. Qh1 was best. } (28... Qh1 29. Rh5 Qd1 30. Rc5 Rg6 31. Nd6+ Ke7 32. Ne4 Qh1 33. Rh5 Qxe4 34. Bb6) 29. b4?? { (0.87 → -9.48) Blunder. Nc7+ was best. } (29. Nc7+ Kf7 30. Nxa8 Rc4 31. Kf3 Rc2 32. Bd4 Rxh2 33. Bc3 h5 34. Nb6 Ke6 35. Nc4 a4) 29... Re4?? { (-9.48 → 0.29) Blunder. Qh1 was best. } (29... Qh1) 30. bxa5?? { (0.29 → -10.96) Blunder. Nc7+ was best. } (30. Nc7+) 30... f4?! { (-10.96 → -5.43) Inaccuracy. Qc6 was best. } (30... Qc6 31. Nd4 Qc3 32. Nxf5 Qf6 33. a6 Qxf5+ 34. Bf4 Ra4 35. Ke2 Rxa3 36. Kd2 Kf7 37. a7) 31. Bxf4?! { (-5.43 → -9.30) Inaccuracy. Nc7+ was best. } (31. Nc7+ Kd8) 31... Rxf4+ 32. gxf4 Qh1 33. h4 Qa1 34. f5 Qa2+ 35. Ke1 Qc4?? { (-62.33 → 12.67) Blunder. Qb1+ was best. } (35... Qb1+) 36. f6?? { (12.67 → -73.16) Blunder. Nd6+ was best. } (36. Nd6+) 36... Qxh4+ 37. Kf1?! { (-73.35 → Mate in 19) Checkmate is now unavoidable. Kd2 was best. } (37. Kd2 Qg5+ 38. Kc2 Qxb5 39. f7+ Kxf7 40. a6 Qa4+ 41. Kb2 Qxa6 42. Kb3 Qa5 43. a4 h5) 37... Qb4?? { (Mate in 19 → 64.94) Lost forced checkmate sequence. Qxf6+ was best. } (37... Qxf6+ 38. Ke2 Qb2+ 39. Ke3 Qxb5 40. a4 Qxa5 41. Kf4 Qxa4+ 42. Kg5 Qa3 43. Kf4 h5 44. Kg5) 38. Nd6+?? { (64.94 → -74.02) Blunder. axb4 was best. } (38. axb4) 38... Qxd6 39. a4 Qa6+?! { (Mate in 13 → -74.02) Lost forced checkmate sequence. Kf7 was best. } (39... Kf7 40. Ke2 Kxf6 41. Kf3 Qa6 42. Ke3 Qxa5 43. Kd4 h5 44. Kc4 Qxa4+ 45. Kd3 h4 46. Ke3) 40. Kf2 Qxf6+ 41. Kg3 d5 42. a6 d4 43. a7 Qf7?? { (Mate in 11 → 11.88) Lost forced checkmate sequence. Qg7+ was best. } (43... Qg7+ 44. Kf3 Qxa7 45. Ke2 Qxa4 46. Kd3 Qd1+ 47. Ke4 d3 48. Ke3 Qc2 49. Kf4 d2 50. Ke5) 44. a8=Q+ Ke7 45. Qa7+ Kd6 46. Qxf7 d3?! { (75.37 → Mate in 11) Checkmate is now unavoidable. Kc5 was best. } (46... Kc5 47. Kf4) 47. Qxh7 d2 48. Qb1 Kd5 49. a5 Kc4 50. a6 Kc3 51. Qd1 Kd3 52. a7 Kc3 53. a8=Q Kb2 { Black resigns. } 1-0