[Event "25+10 Balkon-Schach"] [Site "?"] [Date "2017.6.19"] [Round "?"] [White "Michael Horstmann"] [Black "Bastian Calando"] [Result "0-1"] [WhiteElo "1440"] [BlackElo "1620"] [Variant "Standard"] [TimeControl "-"] [ECO "B20"] [Opening "Sicilian Defense: Staunton-Cochrane Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. c4 { B20 Sicilian Defense: Staunton-Cochrane Variation } Nc6 3. Ne2 Nf6 4. d3 e5?! { (-0.40 → 0.20) Inaccuracy. e6 was best. } (4... e6 5. Nbc3 d5 6. cxd5 exd5 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nxd5 Bxb2 10. Rb1 Bd4 11. Qd2) 5. Be3 Be7 6. g3 O-O 7. Bg2 d6 8. O-O a6 9. Nbc3 Be6 10. a3 Qd7 11. Qd2 Nd4 12. Nxd4? { (-0.05 → -1.70) Mistake. Rab1 was best. } (12. Rab1 Ng4) 12... cxd4 13. Nd1?! { (-1.73 → -2.87) Inaccuracy. Bxd4 was best. } (13. Bxd4 exd4 14. Ne2 Bd8 15. Nxd4 Bb6 16. Nxe6 Qxe6 17. Rac1 Qe5 18. b4 Rfe8 19. Qf4 Bd4) 13... dxe3 14. Nxe3 Rab8 15. Rfc1 Bh3 16. Bf3 Ng4 17. Rab1 Bg5 18. Re1 f5 19. d4?! { (-3.78 → -5.87) Inaccuracy. Bxg4 was best. } (19. Bxg4 Bxg4) 19... fxe4?! { (-5.87 → -3.74) Inaccuracy. Nxf2 was best. } (19... Nxf2) 20. Bxe4?? { (-3.74 → -8.15) Blunder. Bxg4 was best. } (20. Bxg4 Bxg4 21. dxe5 dxe5 22. Qxd7 Bxd7 23. Nd5 Bf5 24. Ra1 Kf7 25. h4 Bf6 26. b3 Rfd8) 20... Rxf2 21. Qd3 Bxe3 22. Bxh7+ Kh8 23. Bf5?! { (-18.97 → Mate in 1) Checkmate is now unavoidable. Rxe3 was best. } (23. Rxe3 Rg2+) 23... Rg2+ 24. Kf1 Nxh2# { Black wins by checkmate. } 0-1