[Event "2021 Mathematics Season Tour"] [Site "https://lichess.org/C5jfY0sR"] [Date "2021.11.12"] [White "MarcSison24"] [Black "Justin04Ray"] [Result "0-1"] [UTCDate "2021.11.12"] [UTCTime "03:52:16"] [WhiteElo "1487"] [BlackElo "1438"] [WhiteRatingDiff "-77"] [BlackRatingDiff "+28"] [Variant "Standard"] [TimeControl "300+2"] [ECO "C22"] [Opening "Center Game: Normal Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 { C22 Center Game: Normal Variation } 4. Qc3?? { (-0.05 → -7.59) Blunder. Qe3 was best. } (4. Qe3 Nf6 5. Bd2 Be7 6. Nc3 d5 7. Nxd5 Nxd5 8. exd5 Qxd5) 4... d6?? { (-7.59 → -0.08) Blunder. Bb4 was best. } (4... Bb4 5. Bd2 Bxc3 6. Nxc3 Nge7 7. O-O-O h6 8. Nge2 O-O 9. Be3) 5. Bb5 Bd7 6. Bxc6?! { (0.00 → -0.66) Inaccuracy. Nf3 was best. } (6. Nf3 Nf6 7. O-O Be7 8. Re1 O-O 9. a3 a6 10. Bf1 Re8) 6... Bxc6 7. Qf3?? { (-0.25 → -2.54) Blunder. Nf3 was best. } (7. Nf3 Nf6 8. O-O Nxe4 9. Re1 Qe7 10. Qd4 d5 11. c4 O-O-O) 7... Nf6 8. Bg5?! { (-2.32 → -3.73) Inaccuracy. Qe2 was best. } (8. Qe2 Qe7 9. f3 d5 10. e5 Nd7 11. f4 Qb4+ 12. c3 Qb6 13. a4 a5 14. Nf3 Bc5) 8... Be7?! { (-3.73 → -2.48) Inaccuracy. Bxe4 was best. } (8... Bxe4 9. Qxe4+ Nxe4 10. Bxd8 Kxd8 11. Nd2 Kd7 12. Nxe4 Re8 13. f3 f5 14. Kd2 fxe4 15. fxe4) 9. Bxf6 Bxf6 10. c3?? { (-2.47 → -5.06) Blunder. Nc3 was best. } (10. Nc3 Bxc3+) 10... a6? { (-5.06 → -3.01) Mistake. Qe7 was best. } (10... Qe7 11. Nd2 d5 12. Qe3 dxe4 13. O-O-O b6 14. Ne2 O-O-O 15. Nd4 Bb7 16. h4 Rhe8 17. Nc4) 11. Nd2 h6? { (-2.75 → -0.96) Mistake. Qe7 was best. } (11... Qe7 12. Ne2) 12. g4?? { (-0.96 → -3.97) Blunder. Ne2 was best. } (12. Ne2) 12... O-O?! { (-3.97 → -2.84) Inaccuracy. d5 was best. } (12... d5 13. exd5) 13. Rd1?? { (-2.84 → -6.80) Blunder. O-O-O was best. } (13. O-O-O d5 14. Ne2 dxe4 15. Nxe4 Qe7 16. N2g3 Bg5+ 17. Kc2 Rae8 18. Rhe1 Ba4+ 19. b3 Qa3) 13... Qd7? { (-6.80 → -3.39) Mistake. d5 was best. } (13... d5 14. Nb3) 14. Nc4?? { (-3.39 → -8.46) Blunder. Ne2 was best. } (14. Ne2 Rae8 15. O-O Qe6 16. Nd4 Bxd4 17. cxd4 Bxe4 18. Nxe4 Qxe4 19. Qxe4 Rxe4 20. f3 Re2) 14... Rfe8 15. Ne2 Bxe4 16. Qg3 Bxh1 17. f3 b5 18. Na3 Re6 19. Kd2 Bxf3 20. Qxf3 Rae8 21. Re1 c5 22. c4 b4 23. Nc2 Bxb2 24. h4 a5 25. Nf4 Bc3+ 26. Kd1?! { (-13.09 → Mate in 4) Checkmate is now unavoidable. Kd3 was best. } (26. Kd3 Bxe1) 26... Rxe1+ 27. Nxe1 Qa4+ 28. Kc1 Rxe1+ 29. Qd1 Qxd1# { Black wins by checkmate. } 0-1