[Event "Sjakktrening: Tema - Leningrad Arena"] [Site "https://lichess.org/ioPjlxFs"] [Date "2022.12.14"] [White "Gassen08"] [Black "vincentmasuka"] [Result "0-1"] [UTCDate "2022.12.14"] [UTCTime "19:12:19"] [WhiteElo "1222"] [BlackElo "2499"] [BlackTitle "GM"] [Variant "From Position"] [TimeControl "300+3"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "rnbqkbnr/ppppp1pp/8/5p2/3P4/8/PPP1PPPP/RNBQKBNR w KQkq - 0 1"] [SetUp "1"] [Annotator "lichess.org"] 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6?! { (0.46 → 1.04) Inaccuracy. c6 was best. } (6... c6 7. Qb3 Na6 8. Bf4 c5 9. d5 Rb8 10. Nb5 Ra8 11. Qd3) 7. Bg5?! { (1.04 → 0.21) Inaccuracy. d5 was best. } (7. d5 Ne5 8. Nxe5 dxe5 9. Qb3 e6 10. Be3 Qe7 11. Rad1 Ng4) 7... h6 8. Bxf6 Bxf6 9. e4 e5 10. d5 Ne7 11. exf5 gxf5 12. Nd2 Bd7 13. Qh5 Kg7 14. f4 Qe8 15. Qxe8 Raxe8 16. fxe5 dxe5 17. Rae1?! { (-0.88 → -1.45) Inaccuracy. Rad1 was best. } (17. Rad1 Rd8) 17... e4 18. b4?? { (-1.27 → -5.73) Blunder. Nb3 was best. } (18. Nb3 h5 19. Rd1 h4 20. Nc5 Bc8 21. Nb5 Be5 22. Nd4 Bxd4+ 23. Rxd4 Ng6 24. g4 e3) 18... Bxc3 19. Re2 Bxb4 20. Rb1 Bc5+ 21. Kh1 b6 22. Nb3 Ng6 23. Nxc5 bxc5 24. Rb7 Rb8 25. Reb2 Rxb7 26. Rxb7 e3 27. Rxc7?! { (-5.38 → -8.43) Inaccuracy. Kg1 was best. } (27. Kg1 Ne5 28. Kf1 f4 29. gxf4 Rxf4+ 30. Ke2 Rf2+ 31. Kxe3 Rxg2 32. Rxa7 Kf6 33. a4 Bg4) 27... e2 28. Rxd7+ Rf7 29. Rxf7+ Kxf7 30. d6?? { (-5.85 → Mate in 2) Checkmate is now unavoidable. Bf3 was best. } (30. Bf3 e1=Q+ 31. Kg2 Nh4+ 32. gxh4 Ke7 33. Be2 Qc1 34. a4 Qb2 35. Kf1 Qd4 36. Kg2 Qe5) 30... e1=Q+ 31. Bf1 Qxf1# { Black wins by checkmate. } 0-1