[Event "Groningen"] [Site "Groningen NED"] [Date "1966.??.??"] [Round "?"] [White "Viktor Kupreichik (?)"] [Black "Georg Danner (?)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B94"] [Opening "Sicilian Defense: Najdorf Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 { B94 Sicilian Defense: Najdorf Variation } Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. O-O-O b5 10. Bb3 Nc5?! { (0.51 → 1.12) Inaccuracy. h6 was best. } (10... h6) 11. e5? { (1.12 → -0.15) Mistake. Bxf6 was best. } (11. Bxf6 gxf6 12. Bd5 Bb7 13. Bxb7 Nxb7 14. Rhe1 b4 15. Nd5 exd5 16. exd5+ Kd7 17. Qf4 Qxd5) 11... b4 12. exf6 bxc3 13. Qf4 gxf6? { (-0.72 → 0.89) Mistake. g6 was best. } (13... g6 14. Qe3) 14. Bxf6 Rg8 15. Kb1 Rg6 16. Rhe1 Qb6? { (0.28 → 1.96) Mistake. Bd7 was best. } (16... Bd7 17. bxc3 Qa3 18. Nf3 Na4 19. c4 e5 20. Rxe5+ dxe5 21. Qxe5+ Be7 22. Bxe7 Qxe7 23. Rxd7) 17. Bh4?! { (1.96 → 0.80) Inaccuracy. Nf3 was best. } (17. Nf3 a5) 17... Ra7? { (0.80 → 2.04) Mistake. Nxb3 was best. } (17... Nxb3 18. cxb3 Bh6 19. Qf3 Bb7 20. Qxc3 Rc8 21. Qd3 Kf8 22. g3 Bg7 23. f4 Rh6 24. Nc2) 18. Nf5 Rd7 19. Qd4 cxb2? { (1.73 → 3.30) Mistake. Bb7 was best. } (19... Bb7 20. Qxc3 Nxb3 21. axb3 Qb5 22. Nd4 Qc5 23. Qd3 Bg7 24. Nf5 Bxg2 25. Bg3 Bf6 26. Nxd6+) 20. Qh8 Nxb3?! { (3.31 → 5.19) Inaccuracy. e5 was best. } (20... e5) 21. Be7 Rxe7 22. Nxd6+ Qxd6 23. Rxd6 Na5?? { (4.08 → 9.98) Blunder. e5 was best. } (23... e5 24. Rxg6 Nd2+ 25. Kxb2 fxg6 26. Kc3 Rd7 27. Qxe5+ Re7 28. Qb8 Rxe1 29. Qxc8+ Kf7 30. Kxd2) 24. Rd8+ Kxd8 25. Qxf8+ Re8? { (9.11 → Mate in 11) Checkmate is now unavoidable. Kc7 was best. } (25... Kc7 26. Qxe7+) 26. Qd6+ Bd7 27. Rd1 { Black resigns. } 1-0