[Event "?"] [Site "Rafaela"] [Date "1942.??.??"] [Round "?"] [White "Najdorf, Miguel"] [Black "NN"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D37"] [Opening "Queen's Gambit Declined: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 { D37 Queen's Gambit Declined: Three Knights Variation } a6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Be7 8. Bd3 O-O 9. O-O c5 10. Qe2 cxd4 11. cxd4 Re8 12. Rd1 Nc6 13. Bb2 b5?! { (1.09 → 1.82) Inaccuracy. Bd7 was best. } (13... Bd7 14. Rac1 Rc8 15. Qd2 Bb4 16. Qf4 Ne7 17. Ne5 f6 18. Nxd7 Qxd7 19. Qg4 f5 20. exf5) 14. Rac1? { (1.82 → 0.66) Mistake. d5 was best. } (14. d5 exd5 15. exd5 Nb4 16. Bb1 Bd6 17. Qd2 a5 18. a3 Na6 19. Qc3 f6 20. Ng5 g6) 14... Bb7 15. d5?! { (0.63 → -0.13) Inaccuracy. Qe3 was best. } (15. Qe3 Na5) 15... exd5 16. exd5 Nb4 17. Be4?! { (0.19 → -0.37) Inaccuracy. Qe5 was best. } (17. Qe5 Bf6 18. Qf5 Nxd3 19. Bxf6 Qxf6 20. Qxf6 gxf6 21. Rxd3 Rac8 22. Rcd1 Red8 23. d6 a5) 17... Nxa2?? { (-0.37 → 4.86) Blunder. Bd6 was best. } (17... Bd6) 18. Ne5 Nb4?? { (0.70 → Mate in 11) Checkmate is now unavoidable. Nxc1 was best. } (18... Nxc1 19. Bxh7+) 19. Bxh7+ Kf8 20. Qh5 Bxd5 21. Rxd5 Qxd5 22. Qxf7+ Qxf7 23. Nd7# { White wins by checkmate. } 1-0