[Event "Anderssen"] [Site "https://lichess.org/YnDyV2v2"] [Date "2021.06.17"] [White "JosephVargas_4_HUA"] [Black "ObedCallupe_4HUA"] [Result "0-1"] [UTCDate "2021.06.17"] [UTCTime "21:00:00"] [WhiteElo "1122"] [BlackElo "1257"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "300+2"] [ECO "A06"] [Opening "Zukertort Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 { A06 Zukertort Opening } 2. e3 Nc6?! { (0.00 → 0.83) Inaccuracy. e6 was best. } (2... e6 3. c4 Nf6 4. b3 Be7 5. Bb2 O-O 6. Be2 c5 7. O-O) 3. Bd3? { (0.83 → -0.44) Mistake. d4 was best. } (3. d4 e6 4. c4 Bd6 5. a3 dxc4 6. Nbd2 e5 7. Nxc4 exd4) 3... e5 4. O-O?? { (-0.52 → -3.55) Blunder. e4 was best. } (4. e4 Bg4 5. h3 Bh5 6. O-O Nge7 7. exd5 Qxd5 8. Nc3 Qe6) 4... e4 5. Nd4? { (-3.74 → -6.27) Mistake. Be2 was best. } (5. Be2 exf3 6. Bxf3 Bd6 7. d4 Nce7 8. c4 c6 9. Qa4 Qd7) 5... Nxd4 6. Bb5+?! { (-5.84 → -9.53) Inaccuracy. Bxe4 was best. } (6. Bxe4 dxe4 7. exd4 Qxd4 8. d3 exd3 9. Nc3 Be6 10. Be3 Qd7 11. Qxd3 Qxd3 12. cxd3 O-O-O) 6... Nxb5 7. d3 Nd6 8. dxe4 dxe4 9. f4 Nf6 10. Re1 Bg4 11. Qd4 Nb5 12. Qxd8+ Rxd8 13. Nd2 Bb4 14. c3 Ba5 15. b4 Bb6 16. Nc4 Nxc3 17. Nxb6 axb6 18. b5 Nxb5 19. Bb2 Rd2 20. Bc3 Nxc3 21. Rac1 Ne2+ 22. Kf1 Nxc1 23. Rxc1 O-O 24. Rxc7?! { (-19.99 → Mate in 7) Checkmate is now unavoidable. h3 was best. } (24. h3) 24... Rfd8?! { (Mate in 7 → -25.95) Lost forced checkmate sequence. Nd5 was best. } (24... Nd5 25. Kg1 Nxc7 26. h3 Bf3 27. gxf3 exf3 28. Kf1 Re2 29. e4 Rd8 30. e5 Rd1#) 25. Rxb7?! { (-25.95 → Mate in 5) Checkmate is now unavoidable. Rc1 was best. } (25. Rc1 Be2+) 25... Rc8 26. Kg1 Rc1# { Black wins by checkmate. } 0-1