[Event "SEMIFINAL-2000- AJEDREZFEDERAL"] [Site "https://lichess.org/MrsPVFeI"] [Date "2021.09.24"] [White "Alfrecapo24"] [Black "AVR11"] [Result "1-0"] [UTCDate "2021.09.24"] [UTCTime "22:45:01"] [WhiteElo "2431"] [BlackElo "2203"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "600+5"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 { A40 Horwitz Defense } 2. Bf4 d5 3. e3 c5 4. c3 Qb6 5. Qb3 Nc6 6. Nd2 Nf6 7. Ngf3 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxg3 11. hxg3 Bg7 12. Be2 Bd7 13. O-O cxd4 14. exd4 Qc7 15. Rac1 Na5?! { (-0.76 → 0.25) Inaccuracy. g4 was best. } (15... g4) 16. Qd1 b5?! { (0.43 → 1.01) Inaccuracy. g4 was best. } (16... g4 17. Ne5 Bxe5 18. dxe5 h5 19. c4 Qxe5 20. b4 Nxc4 21. Bxc4 dxc4 22. Nxc4 Qd5 23. Qxd5) 17. b3 Qb6 18. Bd3 Rc8 19. Qe2 O-O 20. Ne5 Bxe5? { (0.66 → 1.93) Mistake. Be8 was best. } (20... Be8 21. a3 Nc6 22. Nxc6 Rxc6 23. Bxb5 Rxc3 24. Bxe8 Rxc1 25. Bxf7+ Rxf7 26. Rxc1 Bxd4 27. Nf3) 21. dxe5 f5?! { (2.51 → 3.66) Inaccuracy. Kg7 was best. } (21... Kg7 22. b4) 22. exf6 Rxf6 23. Nf3 Rcf8?! { (3.87 → 5.75) Inaccuracy. Be8 was best. } (23... Be8 24. Ne5) 24. Ne5 Be8 25. Ng4 a6 26. Nxf6+ Rxf6 27. Qe5 Qd8 28. Qe3 Nc6 29. f4 g4 30. c4 d4 31. Qe2 h5 32. cxb5 axb5 33. Bxb5 Qb6 34. Bxc6 Bxc6 35. Qe5 d3+ 36. Kh2 Rh6 37. Qg5+ Kh7 38. Qe7+ Kg8 39. Rc5 Rg6 40. Rxh5 Qb7?! { (12.10 → Mate in 9) Checkmate is now unavoidable. Qd4 was best. } (40... Qd4) 41. Qd8+ Kf7 42. f5 Rg8 43. Rh7+ Rg7 44. fxe6+ Kg6 45. Rxg7+?! { (Mate in 3 → 26.42) Lost forced checkmate sequence. Rh6+ was best. } (45. Rh6+ Kxh6 46. Qh4+ Kg6 47. Rf6#) 45... Qxg7 46. Qh4 Qd4?! { (12.16 → Mate in 8) Checkmate is now unavoidable. Qe5 was best. } (46... Qe5 47. Qxg4+) 47. e7? { (Mate in 8 → 8.58) Lost forced checkmate sequence. Rf7 was best. } (47. Rf7 Be4 48. Qxg4+ Kh6 49. e7 Qe5 50. e8=Q Qh5+ 51. Qxh5+ Kxh5 52. Rf6+ Kg4 53. Qxe4+ Kg5) 47... Qe4? { (8.58 → Mate in 3) Checkmate is now unavoidable. d2 was best. } (47... d2 48. Rd1 Qd5 49. Qxg4+ Kf7 50. Qe2 Qg5 51. a4 Ke8 52. g4 Qf4+ 53. Kg1 Qd4+ 54. Qf2) 48. Rf6+ Kg7 49. Qh6+ Kg8 50. Rf8# { White wins by checkmate. } 1-0