[Event "Amsterdam Interzonal"]
[Site "Amsterdam NED"]
[Date "1964.06.17"]
[EventDate "1964.05.20"]
[Round "21"]
[Result "1-0"]
[White "David Bronstein"]
[Black "Klaus Viktor Darga"]
[ECO "D31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5
7. h3 Nf6 8. g4 Be6 9. Bd3 Nbd7 10. Nf3 Nb6 11. Qc2 g6 12. Bh6
Nc4 13. Bxc4 dxc4 14. e4 Qa5 15. a3 O-O-O 16. O-O-O Ne8
17. Bd2 Qa6 18. Bf4 Nc7 19. Rhe1 Bd6 20. Bg5 Rde8 21. Bf6 Rhg8
22. Ne5 Kb8 23. f4 Bc8 24. Ne2 Re6 25. Bh4 Bxa3 26. bxa3 Qxa3+
27. Kd2 Nb5 28. Nxc4 Qxh3 29. Bg3 f5 30. e5 Nxd4 31. Qd3 Rd8
32. Nxd4 c5 33. Bf2 Qh2 34. Re2 Qxf4+ 35. Be3 Qxg4 36. Nd6
Rxe5 37. N4b5 a6 38. Qc3 Rd5+ 39. Kc1 Qxe2 40. Rxd5 axb5
41. Qxc5 Qa2 42. Nxb5 Qa1+ 43. Kd2 Rxd5+ 44. Qxd5 Qa5+ 45. Ke2
1-0