[Event "Match/Nation HUN-URS"]
[Site "Hungary"]
[Date "1969.??.??"]
[Round "?"]
[White "Polugaevsky, Lev"]
[Black "Portisch, Lajos"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Qe7 9. a3
Ba5 10. Qe2 Rd8 11. Bd2 cxd4 12. Nxd4 Bb6 13. Ndb5 Bd7 14. Rfd1 Bxb5 15. Bxb5 Nc6 16. Be1
Rxd1 17. Rxd1 Rd8 18. Rc1 Ne5 19. Na4 Bc7 20. Qc2 Bd6 21. Be2 Nd5 22. Nc3 Nxc3 23. Bxc3
Nd7 24. Qa4 Bb8 25. Qb4 Qxb4 26. Bxb4 Nf8 27. f4 f6 28. Kf2 Kf7 29. Bh5+ g6 30. Bf3 b6 31.
Ke2 f5 32. Be1 Bd6 33. Rd1 Be7 34. Rxd8 Bxd8 35. Kd3 Nd7 36. Kc4 Bc7 37. Kb5 Nb8 38. Bb7
Ke7 39. Bc8 g5 40. g3 Bd6 41. b4 1-0