[Event "URS-chT Republics 13th Group1"]
[Site "Riga"]
[Date "1975.07.??"]
[Round "3"]
[White "Dvoretzky, Mark"]
[Black "Korsunsky, Rostislav R"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 d6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Nc3 Nxc3 12. bxc3 Bd7 13. a4 Na5 14. Ba3 Rc8 15. Bb4 Nc4 16. Bxc4 Rxc4 17. a5 Bb5 18. Qb3 a6 19. Bc5 Qc7 20. e6 f6 21. Nd2 Rxc5 22. dxc5 Qxc5 23. Nf3 f5 24. Nd4 Bxd4 25. cxd4 Qxd4 26. Red1 Qe4 27. Qxd5 Bc6 28. Qxe4 fxe4 29. Rac1 Rf6 30. Rd8+ 1/2-1/2