[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.29"]
[Round "17"]
[White "Tseshkovsky, Vitaly"]
[Black "Trois, Francisco R Torres"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2415"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. d4 Bd7 7. d5 Nb8 8. c4 Nf6 9. Nc3 O-O 10. Bxd7 Nbxd7 11. Be3 c5 12. dxc6 bxc6 13. c5 dxc5 14. Nd2 Qb8 15. Nc4 Rd8 16. Qe2 Ne8 17. Rfd1 Nc7 18. Rxd7 Rxd7 19. Nxe5 Rd6 20. Bxc5 Re6 21. Bxe7 Rxe5 22. Bd6 Re6 23. Rd1 Qb6 24. e5 Rae8 25. Ne4 Nd5 26. Qc2 Rg6 27. g3 h5 28. Kh1 h4 29. gxh4 Qb7 30. Ng5 Qc8 31. Qe4 Nf6 32. Qc4 Nd5 33. Qe4 Nf6 34. Qg2 Nh5 35. Qf3 1-0