[Event "HUN-ch19"]
[Site "Budapest"]
[Date "1964.03.??"]
[Round "?"]
[White "Csom, Istvan"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. a3 a5 7. b3 Nf5 8. Bb2 b6 9. Bb5 Bd7 10. Bd3 Be7 11. Nbd2 h5 12. h4 a4 13. b4 cxd4 14. cxd4 Na7 15. Qe2 Nxh4 16. Nxh4 Bxh4 17. g3 Be7 18. Rxh5 Rxh5 19. Qxh5 Bb5 20. Bc2 Nc6 21. Rc1 Kd7 22. Qf3 Rc8 23. Nf1 Rc7 24. Ne3 Kc8 25. Qg4 Qh8 26. Qf3 Bg5 27. Bd1 Kb8 28. Be2 Nxd4 29. Bxd4 Rxc1+ 30. Kd2 Qc8 31. Bd1 Qc4 32. Bb2 Rb1 0-1