[Event "Rated rapid game"] [Site "https://lichess.org/8UKO4JMJ"] [Date "2014.05.28"] [White "Gruzman"] [Black "Optometry"] [Result "0-1"] [UTCDate "2014.05.28"] [UTCTime "09:49:51"] [WhiteElo "1635"] [BlackElo "1500"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+255"] [Variant "Standard"] [TimeControl "300+8"] [ECO "A56"] [Opening "Benoni Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 c5 { A56 Benoni Defense } 3. dxc5 e5 4. b4?! { (0.05 → -0.60) Inaccuracy. Nf3 was best. } (4. Nf3 Bxc5 5. Nc3 d6 6. e3 Bf5 7. Be2 O-O 8. O-O Nbd7 9. b3 h6 10. a3 a5 11. Bb2 Rac8 12. Nd2 Bg6 13. Bf3) 4... Nc6?! { (-0.60 → 0.16) Inaccuracy. a5 was best. } (4... a5 5. b5 Bxc5 6. Nc3 O-O 7. e3 d6 8. Nf3 Nbd7 9. Be2 Nb6 10. O-O Be6 11. Nd2 Rac8 12. Bb2 d5 13. cxd5 Nbxd5 14. Nxd5) 5. a3 g6?! { (0.08 → 0.63) Inaccuracy. b6 was best. } (5... b6 6. Nc3 bxc5 7. b5 Na5 8. e4 d6 9. Nf3 Be7 10. Bd3 Be6 11. Qa4 O-O 12. O-O a6) 6. Nf3 Bg7 7. Bb2 O-O 8. Ra2?! { (0.53 → -0.08) Inaccuracy. Nxe5 was best. } (8. Nxe5 Ng4 9. Nxc6 dxc6 10. Qxd8 Rfxd8 11. Bxg7 Kxg7 12. h3 Rd1+ 13. Kxd1 Nxf2+ 14. Kc2 Bf5+ 15. Kb3 Nxh1 16. Nc3 Ng3 17. e3 Nxf1) 8... d5?! { (-0.08 → 0.65) Inaccuracy. e4 was best. } (8... e4 9. Nfd2 e3 10. fxe3 Rfe8 11. Nc3 Rxe3 12. Nf3 Ng4 13. Nd5 Bxb2 14. Rxb2 Rexa3 15. Rb3 Ra3a2 16. Qb1) 9. cxd5?! { (0.65 → 0.08) Inaccuracy. cxd6 was best. } (9. cxd6 Be6 10. e3 Ne4 11. d7 Bxd7 12. Nc3 Nxc3 13. Bxc3 e4 14. Bxg7 Kxg7 15. Qa1+ f6 16. Ng5 Qe7 17. Be2 a5 18. b5 Ne5) 9... Nxd5 10. Nc3? { (0.24 → -1.03) Mistake. Nbd2 was best. } (10. Nbd2 Be6 11. Raa1 f5 12. e4 Nf4 13. Qb1 fxe4 14. Nxe4 Bd5 15. g3 Ne6 16. Bg2 Ncd4 17. Nxd4 exd4 18. O-O) 10... Be6 11. Ra1?? { (-0.90 → -3.47) Blunder. Nxd5 was best. } (11. Nxd5 Bxd5 12. Raa1 e4 13. Bxg7 Kxg7 14. Nd4 e3 15. Nxc6 exf2+ 16. Kxf2 Qf6+ 17. Kg1 bxc6 18. e3 Rae8 19. Qd4 Rxe3 20. Qxf6+ Kxf6) 11... a5?? { (-3.47 → -0.03) Blunder. e4 was best. } (11... e4 12. e3 exf3 13. Rac1 Nxc3 14. Qxd8 Rfxd8 15. Bxc3 Ne5 16. g3 Nd3+ 17. Bxd3 Rxd3 18. Bxg7 Kxg7 19. b5 Rdxa3 20. O-O Rd8 21. c6) 12. Qd2?? { (-0.03 → -2.01) Blunder. Nxd5 was best. } (12. Nxd5 Qxd5 13. Qxd5 Bxd5 14. b5 Nd4 15. Nxd4 exd4 16. Rad1 Rfc8 17. Bxd4 Bxd4 18. Rxd4 Rxc5 19. e4 Be6 20. f3 Rac8 21. h4 Rc5c1+) 12... axb4 13. axb4? { (-1.96 → -3.57) Mistake. Nxd5 was best. } (13. Nxd5 bxa3 14. Rxa3 Rxa3 15. Bxa3 Qxd5 16. Qxd5 Bxd5 17. Bb2 Ra8 18. e4 Bxe4 19. Bc4 Bxf3 20. gxf3 Bf8 21. Ke2 Ra4 22. Bb3 Rb4) 13... Rxa1+ 14. Bxa1 Ndxb4 15. Qxd8? { (-3.62 → -6.20) Mistake. Ne4 was best. } (15. Ne4 Qd5 16. Qxd5 Bxd5 17. Nc3 Bxf3 18. exf3 Nc2+ 19. Kd2 Nxa1 20. Ne4 Rd8+ 21. Kc3 Rd1 22. g3 Rb1 23. h3 Nd4 24. Bg2 Rb3+) 15... Rxd8 16. e4?? { (-6.07 → Mate in 2) Checkmate is now unavoidable. Nd2 was best. } (16. Nd2 Nc2+ 17. Kd1 Nxa1 18. Ke1 Nc2+ 19. Kd1 Nc2d4 20. Ke1 Ra8 21. e3 Ra1+ 22. Nd1 Nb3 23. h4 Nxd2 24. Kxd2 Ra2+ 25. Ke1 Bf8) 16... Nc2+ 17. Ke2 Nxa1?? { (Mate in 1 → -5.99) Lost forced checkmate sequence. Bc4# was best. } (17... Bc4#) 18. Nd5 Bxd5 19. exd5 Rxd5 20. Ke3 Rd1?! { (-6.91 → -5.32) Inaccuracy. Nc2+ was best. } (20... Nc2+ 21. Ke4 Ne7 22. Ng1 f5+ 23. Kf3 e4+ 24. Kg3 Rxc5 25. h4 Be5+ 26. Kh3 Bd4 27. f3 Bxg1 28. Rxg1 Rc3 29. Bb5 exf3 30. gxf3) 21. g3 Kf8 22. Bg2 Rxh1 23. Bxh1 f5 24. Kd3?! { (-5.07 → -7.01) Inaccuracy. Ne1 was best. } (24. Ne1 e4 25. f3 Bc3 26. fxe4 Bxe1 27. exf5 gxf5 28. Kf4 Nb3 29. Kxf5 Bc3 30. Be4 Nxc5 31. Bg2 Ke7) 24... e4+ 25. Ke3 exf3 26. Bxf3 Bd4+ 27. Ke2 Bxc5 28. Bxc6 bxc6 29. h4 Ke7 30. f3 Ke6 31. g4 fxg4 32. fxg4 Ke5?! { (Mate in 15 → -56.54) Lost forced checkmate sequence. Bd4 was best. } (32... Bd4 33. Kd3 Kd5 34. Ke2 c5 35. Kf3 Ke5 36. Ke2 c4 37. h5 gxh5 38. gxh5 Ke4 39. h6 c3 40. Kf1 c2 41. Kg2 c1=Q 42. Kg3) 33. Kf3 Bd4 34. h5 gxh5 35. gxh5 Kf5 36. h6 Kg6 37. Ke4 c5 38. Kd5 Kxh6 39. Kc4 Kg5 40. Kd3 Kg4 41. Kc4 h5 42. Kd3 Kf3 43. Kc4 h4 44. Kd3 h3 45. Kc4 h2 46. Kd3 h1=Q 47. Kc4 Qf1+ 48. Kd5 Nb3 49. Kc6 c4 50. Kd5 c3 51. Ke6 c2 52. Kd6 Qb5 53. Kc7 Qa6 54. Kb8 Be5# { Black wins by checkmate. } 0-1