[Event "September 21 IQP Quad"] [Site "https://lichess.org/v7FFkAfi"] [Date "2022.09.21"] [White "tiffanyli"] [Black "jposthuma"] [Result "0-1"] [UTCDate "2022.09.21"] [UTCTime "23:50:45"] [WhiteElo "1337"] [BlackElo "2751"] [BlackTitle "IM"] [Variant "From Position"] [TimeControl "240+2"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "rnbqk2r/pp2bppp/4p3/3n4/3P4/2N2N2/PP3PPP/R1BQKB1R w KQkq - 0 8"] [SetUp "1"] [Annotator "lichess.org"] 8. Nxd5 Qxd5 9. Be3 O-O 10. b3 Nc6 11. Bc4 Bb4+ 12. Bd2 Qe4+ 13. Qe2 Bxd2+ 14. Nxd2?? { (-1.01 → -2.90) Blunder. Kxd2 was best. } (14. Kxd2 Qf5 15. Rhd1 b6 16. Ke1 Bb7 17. Kf1 Ne7 18. Ne5 Qf4 19. g3 Qf5 20. Qg4 Rfd8) 14... Qxe2+ 15. Bxe2 Nxd4 16. Bc4?? { (-3.29 → -7.98) Blunder. Rd1 was best. } (16. Rd1 Nc2+) 16... Nc2+ 17. Kf1 Nxa1 18. Ke2 Nc2 19. Kd3 Nb4+ 20. Kc3 Nxa2+ 21. Kb2 Nb4 22. Ka3 a5 23. Ka4 Bd7+ 24. Bb5 Bxb5+ 25. Kxb5 Rfd8 26. Nc4 Rd5+ 27. Kb6 Rc8?! { (Mate in 9 → -11.03) Lost forced checkmate sequence. Ra6+ was best. } (27... Ra6+ 28. Kc7 Rc6+ 29. Kb8 Rd8+ 30. Ka7 Ra6+ 31. Kxb7 Rd7+ 32. Kc8 Raa7 33. Nb6 Rac7+ 34. Kb8) 28. Nxa5 Rd6+ 29. Kxb7 Rc2 30. Ra1 h6 31. Ra4 Nd5 32. Nc4 Rd7+ 33. Kc6 Rc7+ 34. Kb5 Rxf2 35. Ra8+ Kh7 36. Ka4?! { (-10.27 → Mate in 9) Checkmate is now unavoidable. Ra6 was best. } (36. Ra6 Rxg2 37. Rc6 Rxc6 38. Kxc6 Rxh2 39. Ne5 f6 40. Nf3 Rh3 41. Nd4 Nf4 42. Nb5 Kg6) 36... Rxc4+?! { (Mate in 9 → -14.54) Lost forced checkmate sequence. Ra2+ was best. } (36... Ra2+ 37. Kb5 Rxa8 38. g3 Rb8+ 39. Ka4 Ra7+ 40. Na5 Nb4 41. Ka3 Rxa5+ 42. Kb2 Rc8 43. h3) 37. bxc4 Nb6+ 38. Kb5 Nxa8 39. c5 Rxg2 40. c6 Rxh2 41. Kc5 Rc2+ 42. Kd6 h5 43. Kd7 h4 44. c7 Rxc7+ 45. Kd6 h3 46. Ke5 h2 47. Ke4 h1=Q+ 48. Kd4 Qd5+ 49. Ke3 Rc3+ 50. Kf4 Qf5# { Black wins by checkmate. } 0-1