[Event "مسابقات شطرنج نظام مهندسی"] [Site "https://lichess.org/89OOhAcX"] [Date "2021.02.26"] [White "sajzare"] [Black "mahdi2529"] [Result "1-0"] [UTCDate "2021.02.26"] [UTCTime "17:35:12"] [WhiteElo "1727"] [BlackElo "1955"] [WhiteRatingDiff "+39"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "300+5"] [ECO "C23"] [Opening "Bishop's Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bc4 { C23 Bishop's Opening } Qf6?! { (0.00 → 0.95) Inaccuracy. Nf6 was best. } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. O-O Nbd7 6. a4 O-O 7. h3) 3. Nf3 h6?! { (0.69 → 1.57) Inaccuracy. Bc5 was best. } (3... Bc5 4. c3 Nc6 5. d4 Bb6 6. O-O d6 7. Bb5 Bd7 8. d5) 4. c3?! { (1.57 → 0.86) Inaccuracy. Nc3 was best. } (4. Nc3 d6 5. d4 Ne7 6. Be3 a6 7. Be2 Nbc6 8. Qd2 Bg4) 4... c6 5. d4 exd4?? { (0.97 → 3.54) Blunder. d6 was best. } (5... d6 6. O-O Ne7 7. Be3 Ng6 8. Ne1 Be7 9. Nd3 O-O 10. f4) 6. cxd4? { (3.54 → 1.80) Mistake. O-O was best. } (6. O-O) 6... b5?! { (1.80 → 2.94) Inaccuracy. d5 was best. } (6... d5) 7. Bb3 d6?! { (3.22 → 4.13) Inaccuracy. d5 was best. } (7... d5 8. O-O Bg4 9. exd5 Bd6 10. Nc3 Ne7 11. Ne4 Qg6 12. Nxd6+ Qxd6 13. h3 Bd7 14. g3) 8. Nc3 Bg4?! { (3.69 → 4.89) Inaccuracy. Qd8 was best. } (8... Qd8) 9. e5?? { (4.89 → 2.10) Blunder. Nxb5 was best. } (9. Nxb5 Bxf3 10. gxf3 cxb5 11. Bd5 Be7 12. Bxa8 Bd8 13. Be3 Ne7 14. a4 b4 15. Rc1 O-O) 9... dxe5 10. dxe5?! { (2.28 → 1.57) Inaccuracy. O-O was best. } (10. O-O Bxf3 11. gxf3 Nd7 12. Ne4 Qg6+ 13. Kh1 Ngf6 14. Ng3 Nh5 15. Qe2 Nxg3+ 16. fxg3 Be7) 10... Qf5?! { (1.57 → 2.75) Inaccuracy. Bxf3 was best. } (10... Bxf3) 11. Bc2? { (2.75 → 1.18) Mistake. O-O was best. } (11. O-O Nd7 12. Bc2 Bxf3 13. gxf3 Qe6 14. f4 O-O-O 15. Qe2 Ne7 16. Rd1 Nf5 17. Bb3 Qg6+) 11... Bxf3 12. Bxf5 Bxd1 13. Nxd1 Bb4+ 14. Nc3 Bxc3+ 15. bxc3 Nd7 16. Be4? { (0.50 → -0.70) Mistake. Ba3 was best. } (16. Ba3 Ne7 17. Be4 Nd5 18. Bd6 O-O-O 19. Bxd5 cxd5 20. a4 Rhe8 21. axb5 Nxe5 22. Bxe5 Rxe5+) 16... Nxe5 17. Bf4 f6?? { (-0.90 → 5.82) Blunder. Nf6 was best. } (17... Nf6) 18. Bxe5 Ne7 19. Bd6 Rd8 20. Bxe7 Kxe7 21. Bxc6 Rd6 22. Bxb5 Rhd8 23. O-O a6 24. Rfe1+ Kf7 25. Bc4+ Kf8 26. Re6 Rd1+ 27. Rxd1 Rxd1+ 28. Bf1 a5 29. Ra6 Rc1 30. c4 Rxc4 31. Bxc4 g5 32. Rxf6+ Kg7 33. Ra6 a4 34. f3 g4?! { (62.73 → Mate in 15) Checkmate is now unavoidable. h5 was best. } (34... h5 35. Rxa4) 35. fxg4 h5 36. gxh5 Kh7 37. Kf2 Kg7 38. g4 Kh7 39. Bd3+ Kh8 40. Ra7 Kg8 41. Kf3 Kf8 42. Kf4 Kg8 43. Kf5 Kh8 44. Kg6 a3 45. Ra8# { White wins by checkmate. } 1-0