[Event "KSCA Weekly Challenge Arena"] [Site "https://lichess.org/0yx0yP7t"] [Date "2023.05.08"] [White "BCGBAONETHMANDIVBCG"] [Black "Ultrabuilt"] [Result "0-1"] [UTCDate "2023.05.08"] [UTCTime "15:18:06"] [WhiteElo "1021"] [BlackElo "1333"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "360+2"] [ECO "C64"] [Opening "Ruy Lopez: Classical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 { C64 Ruy Lopez: Classical Variation } 4. Bc4?! { (0.59 → -0.12) Inaccuracy. c3 was best. } (4. c3 Nf6 5. d4 exd4 6. e5 Nd5 7. O-O Be7 8. cxd4 d6) 4... Nh6?! { (-0.12 → 0.66) Inaccuracy. Nge7 was best. } (4... Nge7 5. O-O O-O 6. d3 d5 7. exd5 Nxd5 8. a4 Bg4 9. Nbd2) 5. Ng5?? { (0.66 → -4.79) Blunder. c3 was best. } (5. c3 Qf6 6. O-O d6 7. b4 Bb6 8. a4 a6 9. Na3 O-O 10. Ba2 Ba7 11. Nc4 Bg4) 5... O-O?? { (-4.79 → -0.34) Blunder. Qxg5 was best. } (5... Qxg5 6. O-O Qh4 7. d4 Bxd4 8. Nd2 Bb6 9. Nf3 Qxe4 10. Bb5 Qg4 11. Bxh6 gxh6 12. Nxe5) 6. O-O?! { (-0.34 → -1.30) Inaccuracy. d3 was best. } (6. d3) 6... Qxg5? { (-1.30 → -0.14) Mistake. d5 was best. } (6... d5 7. d4 Bg4 8. Be2 Bxe2 9. Qxe2 Nxd4 10. Qd3 Be7 11. c3 Bxg5 12. Bxg5 Qxg5 13. cxd4) 7. d3?? { (-0.14 → -5.22) Blunder. d4 was best. } (7. d4 Qg6 8. dxc5 Qxe4 9. Na3 Qh4 10. Bxh6 Qxh6 11. Nb5 Qh4 12. Qd3 Qd8 13. Rad1 Kh8) 7... Qg6 8. h4 Na5 9. h5 Qf6 10. g4 Nxc4 11. Be3? { (-4.70 → -9.41) Mistake. g5 was best. } (11. g5 Nxb2 12. Qe2 Qe6 13. gxh6 Na4 14. hxg7 Re8 15. Qf3 d6 16. Kh2 Qg4 17. Nd2 Qh4+) 11... Bxe3 12. fxe3 Nxb2 13. Qe1 Qc6 14. Na3 d6 15. Rb1 Na4 16. Nb5 Nxg4 17. Rf5 Bxf5 18. Nxc7 Qxc7 19. Qb4?! { (-11.93 → Mate in 6) Checkmate is now unavoidable. Qe2 was best. } (19. Qe2 Be6 20. Re1 h6 21. Qxg4 Bxg4 22. Rc1 Bxh5 23. Kf2 Qa5 24. Kg3 Qd2 25. Rb1 Qxe3+) 19... Bd7?! { (Mate in 6 → -12.73) Lost forced checkmate sequence. Qxc2 was best. } (19... Qxc2 20. Rb2 Nxb2 21. Qe1 Qh2+ 22. Kf1 Qh1+ 23. Ke2 Qg2+ 24. Qf2 Qxf2#) 20. d4?! { (-12.73 → Mate in 5) Checkmate is now unavoidable. c4 was best. } (20. c4 Nc5 21. h6 Nxd3 22. hxg7 Kxg7 23. Qd2 Qxc4 24. Qe2 Qxe4 25. a4 f5 26. Rxb7) 20... Nxe3?! { (Mate in 5 → -13.40) Lost forced checkmate sequence. Qxc2 was best. } (20... Qxc2 21. Rb2 Nxb2 22. Qe1 Qh2+ 23. Kf1 Bb5+ 24. Qe2 Qh1#) 21. dxe5?! { (-13.40 → Mate in 4) Checkmate is now unavoidable. Qd2 was best. } (21. Qd2 exd4 22. h6 Qxc2 23. Qxc2 Nxc2 24. Rd1 Rfc8 25. Rd2 f5 26. e5 dxe5 27. hxg7 e4) 21... Nxc2?! { (Mate in 4 → -12.61) Lost forced checkmate sequence. Qxc2 was best. } (21... Qxc2 22. Rb2 Nxb2 23. Qxb2 Qxb2 24. Kh1 Qg2#) 22. Qxb7 Qxb7 23. Rxb7 g5 24. Rxd7 g4 25. exd6 Rfd8 26. Re7 Rxd6 27. e5?! { (-11.61 → Mate in 10) Checkmate is now unavoidable. Re5 was best. } (27. Re5 h6 28. Kf2 Rd3 29. Rf5 Nc3 30. Rf4 Ne3 31. Rf6 Nxe4+ 32. Ke2 Rad8 33. Rf4 f5) 27... Rdd8?! { (Mate in 10 → -10.25) Lost forced checkmate sequence. Rd2 was best. } (27... Rd2 28. e6 f5 29. Rd7 Nd4 30. Rxd4 Rxd4 31. Kg2 f4 32. e7 Rb8 33. e8=Q+ Rxe8 34. Kf2) 28. h6 Re8 29. Rc7 Rxe5 30. Rxc2 Re1+ 31. Kh2 Re3 32. Rg2 Rh3+ 33. Kg1 Rxh6 34. Rxg4+ Kf8 35. Rxa4 f5 36. Rf4 Rh5 37. a4 Rb8 38. a5 Re8 39. Rc4 Re4 40. Rc8+ Kf7 41. Rc7+ Re7 42. Rc5 Rg5+ 43. Kf1 Rb7 44. a6 Rb2 45. Rc7+ Kf6 46. Rxa7?! { (-6.56 → -15.62) Inaccuracy. Rd7 was best. } (46. Rd7 Rb1+ 47. Kf2 Rg7 48. Rd2 Rc7 49. Kg2 Kg7 50. Kh2 h6 51. Rd4 Kh7 52. Kg3 Rb6) 46... Rh5 47. Rb7? { (-9.03 → Mate in 1) Checkmate is now unavoidable. Kg1 was best. } (47. Kg1 Rg5+ 48. Kf1 Rg8 49. Rd7 Ra2 50. Rc7 Ra8 51. Rc6+ Kg5 52. Rc7 h5 53. Rg7+ Kf6) 47... Rh1# { Black wins by checkmate. } 0-1