[Event "PolaChess"] [Site "UAM"] [Date "2015.04.16"] [Round "0"] [White "Santiago"] [Black "Stefan"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D00"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. e3 Nf6 { D00 Queen's Pawn Game } 3. Bb5+ c6 4. Ba4 Qa5+ 5. c3 b5 6. b4?? { (0.01 → -4.05) Blunder. Bc2 was best. } (6. Bc2 Nbd7 7. Nf3 Qc7 8. Nbd2 e5 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. a4 b4 12. Nf3 Qc7 13. Bd2 a5 14. cxb4 axb4 15. O-O Ba6) 6... Qa6?? { (-4.05 → 0.29) Blunder. Qxa4 was best. } (6... Qxa4 7. Qxa4 bxa4 8. Nd2 Nbd7 9. f4 e6 10. Ngf3 Be7 11. h3 Ba6 12. Bb2 Bd3 13. Ne5) 7. Bb3 e6 8. Nf3 Ne4 9. Qd3 Nd7 10. c4?? { (0.06 → -4.71) Blunder. Nbd2 was best. } (10. Nbd2 f5 11. Bb2 Bd6 12. a4 bxa4 13. Qxa6 Bxa6 14. Bxa4 Bb5 15. Bxb5 cxb5 16. Ra5 a6 17. O-O Nxd2 18. Nxd2 Nb6 19. Rfa1) 10... bxc4 11. Qc2?! { (-4.25 → -6.23) Inaccuracy. Bxc4 was best. } (11. Bxc4 Qxc4 12. Qxc4 dxc4 13. Nfd2 Bxb4 14. Ba3 Ba5 15. Ke2 Nef6 16. Rc1 Ba6 17. Kf3 Nb6 18. Bc5 Nfd5 19. Ne4 f5 20. Nd6+ Kd7) 11... Bxb4+ 12. Bd2 cxb3 13. axb3 Bxd2+ 14. Nbxd2 Qxa1+ 15. Nb1 Ba6 16. Qxc6?! { (-12.98 → Mate in 2) Checkmate is now unavoidable. Nd2 was best. } (16. Nd2 c5 17. Nc4 cxd4 18. O-O Nec5 19. Nba3 Qc3 20. Qxc3 dxc3 21. b4 Bxc4 22. Nxc4 Nd3 23. Na3 Ke7 24. b5) 16... Qxb1+ 17. Qc1 Qxc1# { Black wins by checkmate. } 0-1