[Event "Amsterdam Interzonal"]
[Site "Amsterdam"]
[Date "1964.??.??"]
[Round "21"]
[White "Bronstein, David I"]
[Black "Darga, Klaus"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D31"]

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