[Event "PETRA CHESS COMPETITION 2021"] [Site "https://lichess.org/eTeJgsmA"] [Date "2021.04.24"] [White "AdevaCallysta"] [Black "gregor_rendra"] [Result "1-0"] [UTCDate "2021.04.24"] [UTCTime "06:10:01"] [WhiteElo "1998"] [BlackElo "2346"] [WhiteRatingDiff "+128"] [BlackRatingDiff "-38"] [Variant "Standard"] [TimeControl "900+0"] [ECO "B33"] [Opening "Sicilian Defense: Lasker-Pelikan Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 { B33 Sicilian Defense: Lasker-Pelikan Variation } 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 f5 10. Qh5? { (-0.10 → -1.53) Mistake. Bd3 was best. } (10. Bd3 Bg7) 10... Nd4?? { (-1.53 → 1.10) Blunder. b5 was best. } (10... b5) 11. Bd3?! { (1.10 → 0.20) Inaccuracy. Bc4 was best. } (11. Bc4 d5) 11... b5? { (0.20 → 1.33) Mistake. fxe4 was best. } (11... fxe4 12. Bc4 Be6 13. Bxe6 Nxe6 14. O-O-O Qf6 15. Nc4 O-O-O 16. Qg4 Qg6 17. Qxe4 Nd4 18. Qd3) 12. Nd5 Be6?! { (1.37 → 2.07) Inaccuracy. f4 was best. } (12... f4 13. c3) 13. c3 Nc6 14. O-O Ra7? { (1.65 → 3.01) Mistake. f4 was best. } (14... f4) 15. Nc2 Bg7 16. f4 O-O?! { (2.57 → 3.68) Inaccuracy. Ne7 was best. } (16... Ne7 17. Nxe7 Rxe7 18. exf5 Qb6+ 19. Kh1 Bd5 20. Rae1 Qb7 21. Ne3 Bc6 22. f6 Bxf6 23. Re2) 17. exf5 Bxd5 18. f6 e4 19. fxg7 Kxg7?! { (3.75 → 5.41) Inaccuracy. Re8 was best. } (19... Re8) 20. Qxd5 exd3 21. Qxd3?! { (5.60 → 3.73) Inaccuracy. Nd4 was best. } (21. Nd4) 21... Qf6 22. Ne3 Ne7? { (4.40 → 8.66) Mistake. Kh8 was best. } (22... Kh8 23. Rae1) 23. f5? { (8.66 → 4.58) Mistake. Ng4 was best. } (23. Ng4) 23... Kh8 24. Ng4 Qg5? { (4.37 → 8.71) Mistake. Qg7 was best. } (24... Qg7) 25. Qd4+ f6 26. Qxa7 Nd5 27. Qd4 Ne7 28. Qxd6 Rf7 { Black offers draw } 29. Nf2 Rg7 30. g3 Nxf5 31. Qd3 h5 32. Ne4 Qg6 33. Nxf6 Qxf6 34. Rxf5 Qb6+ 35. Qd4 Qg6 36. Qf6 Qg4? { (9.48 → Mate in 8) Checkmate is now unavoidable. Qxf6 was best. } (36... Qxf6 37. Rxf6) 37. Qf8+?! { (Mate in 8 → 10.31) Lost forced checkmate sequence. Qh6+ was best. } (37. Qh6+ Rh7 38. Rf8+ Qg8 39. Rxg8+ Kxg8 40. Qe6+ Kh8 41. Re1 Kg7 42. Rf1 h4 43. Rf7+ Kg8) 37... Kh7 38. Rf7 Rxf7 39. Qxf7+ Kh6?! { (58.67 → Mate in 8) Checkmate is now unavoidable. Qg7 was best. } (39... Qg7 40. Qxg7+) 40. Qf6+?! { (Mate in 8 → 59.68) Lost forced checkmate sequence. Re1 was best. } (40. Re1 h4 41. Qf6+ Qg6 42. Qh8+ Qh7 43. Re6+ Kg5 44. Qxh7 hxg3 45. Qg6+ Kh4 46. Re4+ Kh3) 40... Kh7 41. Re1 Qg6?! { (75.75 → Mate in 3) Checkmate is now unavoidable. Qd7 was best. } (41... Qd7 42. Re7+) 42. Re7+ Kh6 43. Qh8+ Kg5 44. Rg7?! { (Mate in 5 → 76.76) Lost forced checkmate sequence. Re5+ was best. } (44. Re5+ Kg4 45. Qc8+ Kf3 46. Qf8+ Kg4 47. Qf4+ Kh3 48. Qh4#) 44... Qxg7 45. Qxg7+ Kf5 46. Qh7+ Ke5 47. Qxh5+ Kd6 48. Qf5 Kc7 49. h4 Kb6 50. h5 a5 51. h6 b4 52. h7 bxc3 53. h8=Q a4 54. Qhf6+ Ka7 55. Qd7+ Kb8 56. Qfd8# { White wins by checkmate. } 1-0