[Event "Match/Nation HUN-RSFSR"]
[Site "Budapest"]
[Date "1963.04.25"]
[Round "4(1)"]
[White "Polugaevsky, Lev"]
[Black "Portisch, Lajos"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3
Bb7 10. d4 Qd7 11. Nbd2 Rfe8 12. Nf1 exd4 13. cxd4 d5 14. Ne5 Qd8 15. Nxf7 Kxf7 16. e5 g6
17. exf6 Bxf6 18. Rxe8 Kxe8 19. Be3 Na5 20. Qf3 Kf7 21. Nh2 Nxb3 22. axb3 Bc8 23. Rc1 Bf5
24. Qf4 Kg8 25. Rxc7 Bg5 26. Qe5 Bf6 27. Qg3 Rc8 28. Rxc8 Qxc8 29. Nf3 Qd7 30. Bg5 Bg7 31.
Qb8+ Qc8 32. Qd6 h6 33. Bf4 Be4 34. Ne5 Qf8 35. Qe6+ Kh7 36. Bg3 a5 37. Nd7 Qd8 38. Ne5
Qf8 39. Qd7 Bc2 40. Qxd5 Qb4 41. Nf3 Qxb3 42. Qb7 Kh8 43. Qc8+ Kh7 44. Qc7 Qc4 45. Qa7 Qg8
46. Be5 Qf8 47. Qxa5 Qf5 48. Qd2 1-0