[Event "Match/City Budapest-Leningrad"]
[Site "Budapest"]
[Date "1961.??.??"]
[Round "4(2)"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "1-0"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9.
Qxd3 Qc7 10. Bd2 Ngf6 11. c4 e6 12. Bc3 Be7 13. Ne4 Qf4 14. Ned2 c5 15. g3 Qd6 16. Ne4 Qc6
17. Nxf6+ Nxf6 18. O-O-O Qe4 19. d5 Rd8 20. Rhe1 Qxd3 21. Rxd3 O-O 22. Rd2 Ng4 23. dxe6
Rxd2 24. Kxd2 fxe6 25. Rxe6 Rxf3 26. Rxe7 Rxf2+ 27. Kd3 Rf3+ 28. Kc2 Rf7 29. Re8+ Kh7 30.
Kb3 Nf6 31. Re5 Nd7 32. Rd5 Re7 33. a4 Kg6 34. h5+ Kf7 35. g4 Ke8 36. a5 a6 37. g5 hxg5
38. Rxg5 Kf8 39. Kc2 Rf7 40. Kd3 Rf3+ 41. Ke4 Rf7 42. Rg6 Nb8 43. Kd5 Nd7 44. Ke6 Nb8 45.
Kd6 1-0