[Event "URS-chT"] [Site "Moscow"] [Date "1972.??.??"] [Round "?"] [White "Butnorius, Algimantas"] [Black "Kortschnoj, Viktor"] [Result "0-1"] [WhiteElo "2385"] [BlackElo "2640"] [Variant "Standard"] [TimeControl "-"] [ECO "E00"] [Opening "Catalan Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. g3 d5 { E00 Catalan Opening } 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 c5 8. O-O b5 9. Qc2 Bb7 10. a4 cxd4 11. Nxd4 Bxg2 12. Kxg2 Rc8 13. Qd1 b4 14. Nb3 Qb6 15. Bg5 Qc6+ 16. Kg1 Be7 17. N1d2 O-O 18. Qb1?! { (-0.52 → -1.13) Inaccuracy. e4 was best. } (18. e4 h6 19. Be3 Rfd8 20. Qe2 Nxe4 21. Rfc1 Nec5 22. Bxc5 Bxc5 23. Ne4 Qd5 24. Nbxc5 Nxc5) 18... Qd5 19. Bf4 Qh5 20. Re1 Nc5 21. Nxc5 Bxc5 22. Ne4 Ng4 23. h4 Ba7 24. Kg2 e5 25. Bd2 f5 26. Nd6 Rcd8 27. Bxb4 Nxf2 28. Qc2?! { (-2.85 → -3.91) Inaccuracy. Qa2+ was best. } (28. Qa2+ Kh8) 28... Kh8?! { (-3.91 → -2.52) Inaccuracy. f4 was best. } (28... f4 29. Qb3+ Kh8 30. Qf3 Qg6 31. Rf1 e4 32. Nxe4 Nxe4 33. h5 Qxg3+ 34. Qxg3 Nxg3 35. Bxf8) 29. Qc4? { (-2.52 → -4.90) Mistake. Qc7 was best. } (29. Qc7 Ra8) 29... f4 30. Qxa6?? { (-4.79 → Mate in 12) Checkmate is now unavoidable. Qe6 was best. } (30. Qe6 f3+ 31. Kh2 a5 32. Bc3 Rxd6 33. Qxd6 Qf5 34. Qxf8+ Qxf8 35. Rad1 Nxd1 36. Rf1 Bg1+) 30... Qg4 31. Qxa7 Qxg3+ 32. Kf1 Ng4 33. e4 f3 { White resigns. } 0-1