[Event "Leningrad Interzonal"] [Site "?"] [Round "0"] [White "Karpov"] [Black "Torre"] [Result "1-0"] [ECO "B04"] [Opening "Alekhine: Modern Variation"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 { A fairly recent preference in the Alekhine Defense.} 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 Nc6 9. c3 f6 {The point is to support the center.} 10. Nf3 Bf5 11. O-O Qd7 12. Nbd2 fxe5 13. fxe5 O-O 14. Rf2 Na5 { Karpov now decides to eliminate the light-squared bishops.} 15. Bc2 Bxc2 16. Qxc2 Qf5 17. Qd1 e6 18. Nf1 { Here Torre finally launches his hypermodern counterattack in the center.} 18... c5 19. h3 cxd4 20. cxd4 Nc6 21. b3 Nd7 22. Ba3 Rf7 {Black's minor pieces are not doing much but observing the play. By deflecting the queen, Karpov manages to trap it.} 23. g4 Qe4 { 23...Qf4 24.Bc1 Qe4 25.Ng3 also leaves the queen without an escape route.} 24. Ng5 {The queen is trapped, so Black resigned.} 1-0