[Event "Chigorin Memorial-13"]
[Site "Sochi"]
[Date "1979.??.??"]
[Round "5"]
[White "Hartston, William R"]
[Black "Ivanovic, Bozidar"]
[Result "0-1"]
[WhiteElo "2485"]
[BlackElo "2460"]

1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d6 8. Be2 Nbd7 9. O-O h6 10. Bh4 g5 11. Bg3 Nh5 12. Ne1 Nxg3 13. hxg3 f5 14. Nc2 a6 15. a4 e6 16. g4 Nf6 17. gxf5 exf5 18. Qd3 f4 19. Qg6 Be6 20. d5 Bf7 21. Qd3 Nd7 22. Nd4 Nc5 23. Qd1 Bxd4 24. Qxd4 Nb3 25. Qd3 Nxa1 26. Rxa1 Qf6 27. Rd1 Bg6 28. Qh3 Bc2 29. Rd2 Bf5 30. Bg4 Rae8 31. Rd1 Bxg4 32. Qxg4 Qg6 33. Qd7 g4 34. c5 g3 35. Qxd6 Qd3 36. fxg3 0-1