[Event "Mar del Plata"] [Site "Mar del Plata ARG"] [Date "1957.04.05"] [Round "15"] [White "Miguel Najdorf (?)"] [Black "Alexander Kotov (?)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E55"] [Opening "Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 { E55 Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation } 9. Qe2 a6 10. a4 Nb6 11. Bb3 cxd4 12. exd4 Bd7 13. Rd1 Rc8 14. Rd3 Nbd5 15. Nxd5 Nxd5 16. Qe4 Bc6 17. Ne5 Nf6 18. Qh4 Bd5?? { (-0.24 → 2.07) Blunder. Ne4 was best. } (18... Ne4) 19. Bg5 Be7? { (1.87 → 3.59) Mistake. Bxb3 was best. } (19... Bxb3 20. Rxb3 Be7 21. Rh3 Re8 22. Re1 Qa5 23. Kf1 Qc7 24. Bxf6 Bxf6 25. Qxh7+ Kf8 26. Rf3) 20. Rh3 Re8 21. Bd1 Qa5?? { (3.06 → 6.93) Blunder. Kf8 was best. } (21... Kf8 22. Qf4) 22. Bh5 Red8 23. Bxf7+ Kf8 24. Bh6 Ne8?! { (15.19 → Mate in 13) Checkmate is now unavoidable. Be4 was best. } (24... Be4 25. Bxg7+) 25. Qf4 Bf6?! { (27.44 → Mate in 12) Checkmate is now unavoidable. Bg5 was best. } (25... Bg5 26. Bxg5) 26. Bxg7+ Ke7 27. Bxe8 Bxg7 28. Rxh7 { Black resigns. } 1-0