[Event "دورهمی بولت اساتید Arena"] [Site "https://lichess.org/2z9ykYS6"] [Date "2021.04.07"] [White "Kianbagheban"] [Black "Lion_City2020"] [Result "1-0"] [UTCDate "2021.04.07"] [UTCTime "19:45:44"] [WhiteElo "1467"] [BlackElo "2131"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-29"] [Variant "Standard"] [TimeControl "60+0"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. Nf3?! { (0.70 → 0.00) Inaccuracy. e4 was best. } (4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Bg4 8. d5 a5) 4... d5 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } dxc4 6. e3 O-O?! { (0.00 → 0.55) Inaccuracy. Be6 was best. } (6... Be6 7. e4 c6 8. a4 O-O 9. Be3 b5 10. axb5 cxb5 11. d5) 7. Bxc4 Bg4 8. h3 Bxf3 9. Qxf3 c6 10. O-O Nbd7 11. e4 Nb6 12. Bd3?? { (0.76 → -1.01) Blunder. Qd3 was best. } (12. Qd3 Nxc4 13. Qxc4 b5 14. Qxc6 b4 15. Nd5 Nxd5 16. exd5 Rc8 17. Qb7 h6 18. Be3 Rc7) 12... Rc8? { (-1.01 → 0.53) Mistake. Qxd4 was best. } (12... Qxd4 13. Qe2 Rad8 14. Rad1 Qc5 15. Be3 Qa5 16. a3 Rd7 17. Qc2 Rfd8 18. f4 e6 19. g4) 13. Bc2? { (0.53 → -0.82) Mistake. Ne2 was best. } (13. Ne2 Ne8) 13... h6?? { (-0.82 → 1.09) Blunder. Qxd4 was best. } (13... Qxd4 14. Bb3) 14. Bh4?? { (1.09 → -1.39) Blunder. Be3 was best. } (14. Be3 Nc4 15. e5 Nd5 16. Bb3 Nxc3 17. bxc3 Nxe3 18. Qxe3 e6 19. Rad1 Qa5 20. f4 c5) 14... Kh7?? { (-1.39 → 2.31) Blunder. Qxd4 was best. } (14... Qxd4) 15. Bg3?? { (2.31 → -0.23) Blunder. Rad1 was best. } (15. Rad1) 15... Qd7?? { (-0.23 → 2.22) Blunder. Qxd4 was best. } (15... Qxd4 16. e5) 16. Bb3?? { (2.22 → -0.33) Blunder. e5 was best. } (16. e5 Nfd5 17. Ne4 Nb4 18. Bb3 Qf5 19. Qxf5 gxf5 20. Nc5 e6 21. Nxb7 Rc7 22. Nd6 c5) 16... a5?? { (-0.33 → 1.39) Blunder. Qxd4 was best. } (16... Qxd4 17. e5) 17. d5? { (1.39 → -0.15) Mistake. e5 was best. } (17. e5 Nfd5 18. Ne4 a4 19. Nc5 Qf5 20. Qxf5 gxf5 21. Bc2 e6 22. Nxb7 Ra8 23. Rfc1 Rfb8) 17... a4? { (-0.15 → 1.40) Mistake. cxd5 was best. } (17... cxd5 18. Bxd5 Nfxd5 19. Nxd5 Nxd5 20. exd5 a4 21. Rad1 Rc2 22. d6 exd6 23. Bxd6 Rfc8 24. b3) 18. Nxa4 Nxa4 19. Bxa4 Qd6?? { (1.42 → 8.48) Blunder. b5 was best. } (19... b5) 20. Bxd6 exd6 21. dxc6 bxc6 22. Rac1 c5 23. Rfe1 Rfe8 24. Bxe8 Rxe8 25. e5 Nd7 26. exd6 Rd8 27. Re7 Nf6 28. Rxf7 Rxd6?! { (16.83 → Mate in 22) Checkmate is now unavoidable. Nd7 was best. } (28... Nd7 29. Qc3) 29. Rxc5?! { (Mate in 22 → 43.93) Lost forced checkmate sequence. Qb7 was best. } (29. Qb7 Nh5 30. g4 Rd5 31. Qxd5 Nf4 32. Rxg7+ Kxg7 33. Qe5+ Kf7 34. Qxf4+ Kg8 35. Qxh6 Kf7) 29... Ne4?! { (43.93 → Mate in 5) Checkmate is now unavoidable. Ne8 was best. } (29... Ne8 30. Re7) 30. Qxe4 Rd1+ 31. Kh2 Rd8 32. Qe5 Rg8 33. Rxg7+ Rxg7 34. Rc7 Rxc7 35. Qxc7+ Kg8 36. b4 Kf8 37. b5 g5 38. b6 Ke8 39. b7 g4 40. b8=Q# { White wins by checkmate. } 1-0