[Event "XXXI Suizo Sampedrino"] [Site "https://lichess.org/YkquojPe"] [Date "2021.04.30"] [White "leonardo2612"] [Black "Sosov19"] [Result "0-1"] [UTCDate "2021.04.30"] [UTCTime "01:57:32"] [WhiteElo "2292"] [BlackElo "2145"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "240+0"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. f4 Nf6 { A02 Bird Opening } 2. d3 d5 3. Nf3 g6 4. g3 Bg7 5. Bg2 c6 6. O-O O-O 7. a4 a5 8. Nc3 d4 9. Ne4 Nxe4 10. dxe4 c5 11. e5 Nc6 12. c3 dxc3 13. bxc3 Qc7 14. Qd5 b6 15. Ng5 Bb7 16. Qb3 h6 17. Ne4 Ba6 18. Kf2 Rad8 19. Be3 Rd7? { (1.16 → 2.64) Mistake. Na7 was best. } (19... Na7 20. h4 Bb7 21. h5 g5 22. Rad1 Nc8 23. c4 Kh8 24. Rg1 Bc6 25. Rxd8 Rxd8 26. Bf3) 20. Rab1 Rb8 21. e6 fxe6?! { (3.08 → 4.73) Inaccuracy. c4 was best. } (21... c4) 22. Qxe6+ Kh7 23. h4 Nd8 24. Qh3 Nf7?! { (4.96 → 6.64) Inaccuracy. Kh8 was best. } (24... Kh8 25. h5) 25. Nxc5? { (6.64 → 3.30) Mistake. h5 was best. } (25. h5 gxh5 26. Nxc5 bxc5 27. Be4+ Kg8 28. Rxb8+ Rd8 29. Rxd8+ Qxd8 30. Bxc5 Qc7 31. Qxh5 e5) 25... Bc8 26. Nxd7?! { (3.30 → 2.38) Inaccuracy. Ne6 was best. } (26. Ne6 Qc4) 26... Bxd7 27. g4 h5 28. Qg3 Bxg4 29. Bf3?? { (2.39 → -1.27) Blunder. f5 was best. } (29. f5) 29... Bf5?? { (-1.27 → 0.51) Blunder. Nd6 was best. } (29... Nd6 30. f5) 30. Rbc1 Rd8? { (0.27 → 1.50) Mistake. b5 was best. } (30... b5 31. axb5 Rxb5 32. Kg1 a4 33. Bd4 Nh6 34. e4 Be6 35. Be2 Bc4 36. Bxc4 Qxc4 37. f5) 31. Kg1 Nd6 32. Bd4 Nc4?! { (1.52 → 2.31) Inaccuracy. Rf8 was best. } (32... Rf8 33. Bg2 Rf7 34. Bd5 e6 35. Bf3 Ne4 36. Bxe4 Bxe4 37. Bxg7 Rxg7 38. Rfd1 Rf7 39. e3) 33. e4 Bxd4+?? { (2.62 → 5.56) Blunder. Be6 was best. } (33... Be6 34. Rf2) 34. cxd4 Bc8 35. d5 Qc5+ 36. Kh1 Rg8 37. Rg1 Qd4 38. f5 g5 39. hxg5 Ne5 40. Qh2 Rh8?! { (21.43 → Mate in 8) Checkmate is now unavoidable. Bxf5 was best. } (40... Bxf5 41. Qxh5+) 41. Qxh5+ Kg7 42. Qxh8+?? { (Mate in 7 → 0.15) Lost forced checkmate sequence. f6+ was best. } (42. f6+ exf6 43. gxf6+ Kxf6 44. Qxh8+ Ke7 45. Qh4+ Kd6 46. Qf6+ Kd7 47. Qe6+ Kd8 48. Rxc8#) 42... Kxh8 { Black wins on time. } 0-1