[Event "GMA Baleares op"] [Site "Palma de Mallorca ESP"] [Date "1989.12.09"] [Round "4"] [White "Viktor Kupreichik (?)"] [Black "Jaime Sunye Neto (?)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B28"] [Opening "Sicilian Defense: O'Kelly Variation, Yerevan System"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nc3 a6 3. Nf3 { B28 Sicilian Defense: O'Kelly Variation, Yerevan System } b5 4. d4 cxd4 5. Nxd4 Bb7 6. Bd3 e6 7. O-O Qc7 8. Qe2 Nc6 9. Nxc6 Qxc6 10. a4 b4 11. Nd5 Nf6 12. Bc4 Bd6 13. Rd1 Bc5? { (0.40 → 1.65) Mistake. Bb8 was best. } (13... Bb8 14. a5 Nxd5 15. exd5 Qc7 16. g3 O-O 17. Be3 Ba7 18. Bxa7 Rxa7 19. Bb3 Rc8 20. Rd4) 14. Bh6 O-O-O?! { (1.37 → 2.08) Inaccuracy. Rg8 was best. } (14... Rg8) 15. Bb5 axb5 16. axb5 Qd6? { (2.53 → 4.70) Mistake. Qxd5 was best. } (16... Qxd5) 17. Nxf6 Qf8?! { (4.35 → 6.75) Inaccuracy. Qe5 was best. } (17... Qe5) 18. Bxg7 Qxg7 19. Qc4 d6 20. Rxd6 Qg5 21. Nd5 exd5? { (7.12 → Mate in 9) Checkmate is now unavoidable. Rxd6 was best. } (21... Rxd6 22. Qxc5+) 22. Qxc5+ Kb8 23. Rc6 { Black resigns. } 1-0