[Event "Sao Paulo"]
[Site "Sao Paulo"]
[Date "1973.??.??"]
[Round "6"]
[White "Ivkov, Borislav"]
[Black "Carvalho, Herbert Abreu"]
[Result "1-0"]
[WhiteElo "2520"]
[BlackElo ""]
[ECO "E92"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.d4 O-O 5.e4 d6 6.Be2 e5 7.Be3 Nc6 8.d5 Ne7
9.Nd2 Ne8 10.b4 f5 11.f3 a5 12.a3 Nf6 13.O-O axb4 14.axb4 Rxa1 15.Qxa1 fxe4
16.fxe4 Bd7 17.c5 Qa8 18.Nc4 Qb8 19.b5 Ne8 20.Rxf8+ Kxf8 21.Qa3 Kf7 22.c6 bxc6
23.bxc6 Bc8 24.Nb5 Kf8 25.Qa5 h6 26.Ba7 Qa8 27.Nxc7 Nxc7 28.Qxc7 Ba6 29.Nb6  1-0

