[Event "16th StudWTCh qual. group 5"]
[Site "Dresden GDR"]
[Date "1969.08.03"]
[EventDate "1969.08.01"]
[Round "3"]
[Result "0-1"]
[White "Acosta Ramirez, J"]
[Black "Spiridon Ivanov"]
[ECO "B06"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "70"]

1.d4 g6 2.e4 Bg7 3.Nf3 d6 4.Bc4 Nf6 5.Nc3 O-O 6.h3 c6 7.a4 d5 8.exd5 cxd5
9.Bd3 Nc6 10.Be3 Nb4 11.Qd2 Bf5 12.Bxf5 gxf5 13.Nb5 Nc6 14.Bh6 Ne4 15.Qf4
Qb8 16.Qxb8 Raxb8 17.Bxg7 Kxg7 18.c3 a6 19.Na3 b5 20.axb5 axb5 21.Nd2 b4
22.Nxe4 bxa3 23.Nd2 axb2 24.Rb1 e5 25.dxe5 Nxe5 26.Kd1 Rfc8 27.Kc2 d4 28.
c4 Nxc4 29.Nxc4 Rxc4+ 30.Kd3 Rbb4 31.Rhe1 Kf6 32.Kd2 Rb3 33.Kd1 d3 34.g3
Rc2 35.f4 Rbc3 0-1