[Event "Rated classical game"] [Site "https://lichess.org/zdlopt1f"] [Date "2023.02.27"] [White "zichen-xu"] [Black "biz70"] [Result "0-1"] [UTCDate "2023.02.27"] [UTCTime "23:57:37"] [WhiteElo "1868"] [BlackElo "1873"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "B07"] [Opening "Czech Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 c6 { B07 Czech Defense } 4. d5?! { (0.76 → 0.17) Inaccuracy. f4 was best. } (4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 Qb6 8. Nb3 a5) 4... Nbd7 5. Nf3 Qa5 6. Bd2 Qc7 7. Be2 a6 8. O-O Nc5 9. Bd3 b5 10. b4 Nxd3 11. cxd3 e6?! { (0.86 → 1.79) Inaccuracy. cxd5 was best. } (11... cxd5 12. a4 e5 13. exd5 bxa4 14. Qxa4+ Qd7 15. b5 Bb7 16. Qc4 a5 17. d4 e4 18. Ng5) 12. Qb3? { (1.79 → 0.60) Mistake. Rc1 was best. } (12. Rc1 c5) 12... cxd5 13. exd5 e5?! { (0.57 → 1.30) Inaccuracy. Be7 was best. } (13... Be7) 14. Ne4? { (1.30 → -0.04) Mistake. Rac1 was best. } (14. Rac1 Qa7 15. d4 e4 16. Ne5 dxe5 17. dxe5 Nxd5 18. Nxd5 Be6 19. Bg5 Qd7 20. Nc7+ Qxc7) 14... Nxe4 15. dxe4 Be7 16. Rac1 Qd7 17. Rc3 O-O 18. Rfc1 h6 19. Rc7 Qe8 20. Be3 f5?! { (-0.09 → 0.55) Inaccuracy. Bd7 was best. } (20... Bd7 21. Rb7) 21. Nd2?! { (0.55 → -0.21) Inaccuracy. Nxe5 was best. } (21. Nxe5 Bd8) 21... Bd8?? { (-0.21 → 4.66) Blunder. Bd7 was best. } (21... Bd7 22. Rb7 Bd8 23. Rc6 Bxc6 24. dxc6+ Kh8 25. c7 Bg5 26. Bxg5 Qc6 27. Qd5 Qc1+ 28. Nf1) 22. Rxc8 Rxc8 23. Rxc8 Qd7 24. Rc6 fxe4 25. Nxe4 Qf5 26. Nxd6 Qg4 27. f3 Rxf3 28. Nb7?! { (5.81 → 3.73) Inaccuracy. Qd1 was best. } (28. Qd1 e4 29. Nxe4 Qxe4 30. Qxf3 Qb1+ 31. Qf1 Qxa2 32. Kh1 Qxd5 33. Rxa6 Bc7 34. Qf3 Qxf3) 28... Bg5 29. d6+ Kh7?! { (3.67 → 4.81) Inaccuracy. Kh8 was best. } (29... Kh8 30. Rc3 Rxe3 31. Rxe3 Qd4 32. Kf2 e4 33. Ke2 Bxe3 34. Qxe3 Qc4+ 35. Ke1 Qxb4+ 36. Qd2) 30. Qd3+?? { (4.81 → -14.75) Blunder. Qb1+ was best. } (30. Qb1+ e4 31. Bxg5 Rd3 32. Rc1 Qxg5 33. Re1 Qg6 34. Nc5 Rxd6 35. Nxe4 Rc6 36. Nc5 Qxb1) 30... e4 31. Qd1? { (-7.13 → Mate in 8) Checkmate is now unavoidable. Rc1 was best. } (31. Rc1 exd3 32. Bxg5 Rf5 33. h4 d2 34. Bxd2 Qd4+ 35. Be3 Qxe3+ 36. Kh2 Rh5 37. g3 Qf2+) 31... Bxe3+ 32. Kh1 Rf2 33. Qg1 Re2?? { (Mate in 6 → -6.06) Lost forced checkmate sequence. Rxg2 was best. } (33... Rxg2 34. Qxe3 Rxa2 35. Rc2 Rxc2 36. Qg3 Qd1+ 37. Qg1 Qf3+ 38. Qg2 Qxg2#) 34. Qf1 Rd2? { (-6.96 → -3.49) Mistake. Rf2 was best. } (34... Rf2 35. Rc1 Qf4 36. Qxf2 Bxf2 37. Rd1 Qg4 38. Rc1 e3 39. Nc5 e2 40. Nd3 Qd4 41. Ne1) 35. Rc1?! { (-3.49 → -5.32) Inaccuracy. h3 was best. } (35. h3 Qf4 36. Qxf4 Bxf4 37. g3 Bxg3 38. d7 Rxd7 39. Nc5 Rd6 40. Rc8 e3 41. Re8 Be1) 35... Qd7?? { (-5.32 → -0.20) Blunder. Rf2 was best. } (35... Rf2 36. h3 Rxf1+ 37. Rxf1 Qe2 38. Ra1 Qd2 39. Nc5 Qxd6 40. Nxe4 Qd4 41. Ng5+ Kg8 42. Re1) 36. Rc7?? { (-0.20 → -3.02) Blunder. Nc5 was best. } (36. Nc5) 36... Qg4 37. Rc1? { (-2.59 → -5.19) Mistake. h3 was best. } (37. h3) 37... Rf2 38. Qg1 Qd7?? { (-5.53 → -1.16) Blunder. Rxa2 was best. } (38... Rxa2 39. h3 Qg6 40. d7 Bxg1 41. Rxg1 Rd2 42. d8=Q Rxd8 43. Nxd8 Qd6 44. Nf7 Qxb4 45. Nxh6) 39. Rc7?? { (-1.16 → Mate in 9) Checkmate is now unavoidable. Re1 was best. } (39. Re1) 39... Qf5 40. Rc1?! { (-42.81 → Mate in 8) Checkmate is now unavoidable. Rc3 was best. } (40. Rc3 Rf1) 40... Bxc1 41. Nc5 Rf1 42. d7 Rxg1+ 43. Kxg1 Be3+ 44. Kh1 Qf1# { Black wins by checkmate. } 0-1