[Event "LPU NCAA Season 97 RANKINGS"] [Site "https://lichess.org/PxcG4bLz"] [Date "2022.01.28"] [White "Ariel_C_Santander"] [Black "sir_regz"] [Result "0-1"] [UTCDate "2022.01.28"] [UTCTime "09:13:27"] [WhiteElo "2458"] [BlackElo "2209"] [WhiteRatingDiff "-31"] [BlackRatingDiff "+42"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B43"] [Opening "Sicilian Defense: Kan Variation, Knight Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 { B43 Sicilian Defense: Kan Variation, Knight Variation } Qc7 6. Be3 Nf6 7. a3 b5 8. f3 Bb7 9. Qd2 Nc6 10. Be2 Be7 11. h4?! { (-0.42 → -1.16) Inaccuracy. g4 was best. } (11. g4) 11... Rd8?! { (-1.16 → -0.58) Inaccuracy. O-O was best. } (11... O-O) 12. Ndxb5?? { (-0.58 → -4.32) Blunder. h5 was best. } (12. h5) 12... axb5 13. Nxb5 Qb8 14. Bb6 Rc8 15. Bf2 O-O 16. g4?! { (-4.90 → -6.53) Inaccuracy. O-O was best. } (16. O-O) 16... Ba6 17. a4 d5 18. g5 Nh5 19. exd5 Rfd8 20. Bd3 Rxd5 21. O-O Ne5 22. Nd4 Bxd3 23. cxd3 Bc5 24. f4 Ng4 25. Nb5 Bxf2+ 26. Rxf2 Nxf2 27. Qxf2 Nxf4 28. Kh1 Nxd3 29. Qf3 Ne5 30. Qf2 Qb7 31. Qg2 g6 32. Nc3 Rd7 33. Ne4 Kh8 34. a5 Qa8 35. b4 Rd4 36. Nc5 Rxh4+ 37. Kg1 Nf3+ 38. Kf2 Rf4 39. Kg3 Rf5 40. Kh3 Rcxc5 41. bxc5 Rxc5 42. a6 Nxg5+ 43. Kh2 Qb8+? { (Mate in 19 → -9.77) Lost forced checkmate sequence. Nf3+ was best. } (43... Nf3+) 44. Qg3? { (-9.77 → Mate in 3) Checkmate is now unavoidable. Kg1 was best. } (44. Kg1 Qe5 45. Rf1 Ra5 46. Kh1 Ne4 47. Rb1 Ng3+ 48. Kg1 Ne2+ 49. Kf1 Qf5+ 50. Kxe2 Ra2+) 44... Qa7? { (Mate in 3 → -9.23) Lost forced checkmate sequence. Rc2+ was best. } (44... Rc2+ 45. Kh1 Qxg3 46. a7 Qg2#) 45. Qg1? { (-9.23 → Mate in 7) Checkmate is now unavoidable. Qg2 was best. } (45. Qg2 h6) 45... Rc2+ 46. Kh1 Qa8+ 47. Qg2 Qxg2# { Black wins by checkmate. } 0-1