[Event "1 Clasif Sub2000 CelesteBlanca"] [Site "https://lichess.org/JsWGUS29"] [Date "2021.08.29"] [White "keops66"] [Black "Alejandro_Wiebe"] [Result "1-0"] [UTCDate "2021.08.29"] [UTCTime "23:30:01"] [WhiteElo "2273"] [BlackElo "2347"] [WhiteRatingDiff "+31"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B07"] [Opening "Pirc Defense: Sveshnikov System"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 { B07 Pirc Defense: Sveshnikov System } Bg7 5. Bg2 O-O 6. Nge2 Nbd7 7. h3 c5 8. O-O cxd4?! { (0.17 → 0.75) Inaccuracy. Rb8 was best. } (8... Rb8 9. dxc5) 9. Nxd4 a6 10. Be3 Nc5 11. Qd2 Bd7 12. Rad1 Rb8?! { (0.66 → 1.38) Inaccuracy. Rc8 was best. } (12... Rc8) 13. b4? { (1.38 → -0.02) Mistake. f4 was best. } (13. f4 Ne6 14. Nb3 Bc6 15. Nd5 Nd7 16. c3 Bxd5 17. exd5 Nec5 18. Nd4 Nf6 19. f5 Qc7) 13... Ne6? { (-0.02 → 1.17) Mistake. Na4 was best. } (13... Na4 14. Nxa4 Bxa4 15. Rc1 d5 16. exd5 Nxd5 17. Bg5 Nxb4 18. Qxb4 Qxd4 19. c4 Bc6 20. Rfd1) 14. Nxe6?! { (1.17 → 0.58) Inaccuracy. Nde2 was best. } (14. Nde2 Bb5) 14... Bxe6 15. Nd5?! { (0.54 → -0.17) Inaccuracy. e5 was best. } (15. e5 Ne8) 15... Qd7 16. Ba7 Rbe8 17. Nb6 Qb5? { (0.74 → 2.10) Mistake. Qc7 was best. } (17... Qc7 18. c4 Nd7 19. c5 Rd8 20. cxd6 Qxd6 21. Qe1 Qxd1 22. Qxd1 Nxb6 23. Qc1 Rc8 24. Qe1) 18. a4 Qh5 19. g4 Qh4 20. f4 Nd7 21. Nxd7?? { (1.57 → -0.17) Blunder. Nd5 was best. } (21. Nd5 b6 22. a5 bxa5 23. e5 dxe5 24. Bf2 Qh6 25. Nc7 Rd8 26. Nxe6 fxe6 27. Qe2 axb4) 21... Bxd7 22. Bf2 Qf6?? { (-0.09 → 6.39) Blunder. Qh6 was best. } (22... Qh6 23. e5) 23. e5 dxe5 24. Qxd7 exf4 25. Bd4 Qh4 26. Bxg7 Kxg7 27. Qd4+ Kg8?! { (3.98 → 6.16) Inaccuracy. e5 was best. } (27... e5 28. Qc3) 28. Qxf4 e5 29. Qf6 Qh6 30. Rd7 Qg7 31. Qxg7+ Kxg7 32. Bxb7 Rb8 33. b5 axb5 34. axb5 Kg8 35. c4 Rbd8 36. Rfxf7 Rxf7 37. Rxd8+ Kg7 38. Bc6 Rf4 39. b6 Rxc4 40. b7 Rc1+ 41. Kf2 Rc2+ 42. Ke3 Rc3+?! { (11.33 → Mate in 16) Checkmate is now unavoidable. Rb2 was best. } (42... Rb2 43. g5) 43. Kd2?! { (Mate in 16 → 11.14) Lost forced checkmate sequence. Rd3 was best. } (43. Rd3 Rxd3+ 44. Kxd3 e4+ 45. Kxe4 g5 46. b8=Q h5 47. Qe5+ Kh7 48. Qf5+ Kh6 49. Qf8+ Kh7) 43... Rb3 44. b8=Q Rxb8 45. Rxb8 Kh6 46. h4 e4 47. Bxe4 Kg7 48. g5 Kf7 49. Rb7+ Ke6 50. Rxh7 Ke5 51. Bxg6 Kf4 { Black resigns. } 1-0