[Event "Olympiad-21 Preliminaries A"]
[Site "Nice"]
[Date "1974.06.10"]
[Round "4"]
[White "Kostro, Jerzy"]
[Black "Jones, Iolo Cerredig"]
[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Be7 6. O-O Nd7 7. c4 Nxe5 8. dxe5 c6 9. cxd5 Qxd5 10. Re1 Nc5 11. Bc2 Qxd1 12. Rxd1 O-O 13. Nc3 Be6 14. Be3 Rfd8 15. f4 Bg4 16. Rxd8+ Rxd8 17. h3 Bc8 18. Rd1 Rxd1+ 19. Nxd1 b6 20. Nc3 Ba6 21. b4 Ne6 22. a3 Nc7 23. Be4 Nb5 24. Nxb5 Bxb5 25. Bd2 a5 26. bxa5 Bc5+ 27. Kh2 bxa5 28. Bxa5 Bxa3 29. Kg3 c5 30. Kf3 Bb2 31. Ke3 1/2-1/2