[Event "2 Clasif Sub2000 CelesteBlanca"] [Site "https://lichess.org/HkCkOPgF"] [Date "2021.09.05"] [White "aberbacha"] [Black "Valentin_Unhold"] [Result "1-0"] [UTCDate "2021.09.05"] [UTCTime "22:00:00"] [WhiteElo "2179"] [BlackElo "2424"] [WhiteRatingDiff "+30"] [BlackRatingDiff "-19"] [Variant "Standard"] [TimeControl "600+5"] [ECO "E53"] [Opening "Nimzo-Indian Defense: Normal Variation, Gligoric System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 { E53 Nimzo-Indian Defense: Normal Variation, Gligoric System } 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Qe2 Re8 12. Rfd1 Nbd7 13. Ne5 Be7?? { (0.76 → 8.31) Blunder. h6 was best. } (13... h6 14. Bh4 Bxc3 15. bxc3 Qc7 16. Nxd7 Nxd7 17. Rac1 Qf4 18. Bg3 Qf6 19. Bb5 Red8 20. c4) 14. Nxf7 Kxf7? { (9.00 → Mate in 8) Checkmate is now unavoidable. Qc7 was best. } (14... Qc7 15. Qxe6 Rf8 16. Nd6+ Kh8 17. Qxe7 Rae8 18. Nxe8 Rxe8 19. Qb4 a5 20. Qa4 Bc6 21. Nb5) 15. Qxe6+ Kg6 16. h4?! { (Mate in 7 → 15.00) Lost forced checkmate sequence. Bd3+ was best. } (16. Bd3+ Be4 17. Nxe4 Ne5 18. Nd6+ Kxg5 19. Qxe5+ Kh4 20. g3+ Kh3 21. Bf1+ Kg4 22. Qf5#) 16... Bb4?! { (15.00 → Mate in 7) Checkmate is now unavoidable. Nc5 was best. } (16... Nc5 17. Qf7+) 17. Qf7+?! { (Mate in 7 → 17.79) Lost forced checkmate sequence. Bd3+ was best. } (17. Bd3+ Kh5 18. g4+ Nxg4 19. Qf7+ g6 20. Qxh7+ Nh6 21. Qxg6+ Kg4 22. Bxd8+ Kf3 23. Qg3#) 17... Kf5 18. Bd3+ Kg4 19. f3+ Kg3 20. Ne2+? { (Mate in 5 → 9.15) Lost forced checkmate sequence. Qxg7 was best. } (20. Qxg7 Ng4 21. Be3 h5 22. Ne2+ Kxh4 23. Bf2+ Nxf2 24. Qg3#) 20... Rxe2 21. Bxe2 Qf8? { (8.77 → Mate in 2) Checkmate is now unavoidable. Qe7 was best. } (21... Qe7 22. Qc4) 22. Qe6 Ne5 23. Qh3# { White wins by checkmate. } 1-0