[Event "Catg A II Torneo N MINEDU 2021"] [Site "https://lichess.org/e7BdXeKC"] [Date "2021.07.30"] [White "A61537366DAVID"] [Black "A73843981KATHERINEP"] [Result "0-1"] [UTCDate "2021.07.30"] [UTCTime "19:00:01"] [WhiteElo "1500"] [BlackElo "1941"] [WhiteRatingDiff "-85"] [BlackRatingDiff "+31"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Nf3 Nc6 3. d4 exd4 4. exd4 d5 5. Qe2+?! { (0.25 → -0.33) Inaccuracy. Nc3 was best. } (5. Nc3 Nf6 6. Bb5 Bb4 7. Bxc6+ bxc6 8. O-O Bxc3 9. bxc3 O-O) 5... Be7 6. Bg5 h6 7. Bxe7 Ngxe7 8. Nc3 O-O 9. Qd2 Re8 10. Nb5? { (-0.04 → -1.66) Mistake. O-O-O was best. } (10. O-O-O a6 11. h3 Qd6 12. g4 Ng6 13. Bd3 Nf4 14. Rhe1 Bd7 15. Bf1 b5 16. Re3 Ng6) 10... a6 11. Na3? { (-1.60 → -3.65) Mistake. Nc3 was best. } (11. Nc3 Bg4) 11... Nb4?? { (-3.65 → -0.08) Blunder. Ng6+ was best. } (11... Ng6+) 12. g4?? { (-0.08 → -7.70) Blunder. Be2 was best. } (12. Be2 Ng6 13. O-O Qf6 14. Bd1 Nc6 15. c3 Bf5 16. Ne1 Na5 17. b3 b6 18. Nac2 Nb7) 12... Bxg4 13. Bd3 Bxf3 14. Bh7+ Kxh7 15. O-O Nbc6 16. Qe3 Bh5 17. b4 Nf5 18. b5 Nxe3 19. fxe3 Qg5+ 20. Kf2 Qxe3+ 21. Kg2 Qe2+?! { (Mate in 4 → -21.09) Lost forced checkmate sequence. Qg5+ was best. } (21... Qg5+ 22. Kh1 Re2 23. Rf2 Bf3+ 24. Rxf3 Qg2#) 22. Kg3?! { (-21.09 → Mate in 2) Checkmate is now unavoidable. Rf2 was best. } (22. Rf2 axb5) 22... Re3+ 23. Kf4 g5+ 24. Kf5 Bg6+ 25. Kf6 Re6# { Black wins by checkmate. } 0-1