[Event "Havana-A"]
[Site "Havana"]
[Date "1985.??.??"]
[Round "?"]
[White "Chiburdanidze, Maia"]
[Black "Pinal, Nelson Borges"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2405"]
[ECO "B38"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 O-O 8.Be2 b6
9.O-O Bb7 10.f3 e6 11.Nxc6 Bxc6 12.Qd2 d5 13.cxd5 exd5 14.e5 Nd7 15.f4 f6
16.Bb5 Bb7 17.e6 Nc5 18.f5 a6 19.Bxc5 bxc5 20.Bd7 Qa5 21.Qd3 d4 22.Na4 Rad8
23.Qc4 Kh8 1-0

[Event "Vienna"]
[Site "Vienna"]
[Date "1882.??.??"]
[Round "2"]
[White "Englisch, Berthold"]
[Black "Paulsen, Louis"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B30"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 Qb6 4.d4 cxd4 5.Nd5 Qa5+ 6.b4 Nxb4 7.Nxb4 Qxb4+ 8.Bd2 Qc5
9.Rb1 Nf6 10.Bd3 a6 11.Bb4 Qc7 12.Nxd4 d5 13.f3 dxe4 14.fxe4 Ng4 15.Nf3 Qb6
16.Qe2 e6 17.c3 Bxb4 18.Rxb4 Qc5 19.Rc4 Qe3 20.Qxe3 Nxe3 21.Rc7 Nxg2+ 22.Kf2 Nf4
23.Bc4 O-O 24.Ke3 Nh5 25.e5 Rd8 26.Ng5 Rd7 27.Nxe6 b5 28.Bb3 Kh8 29.Rxd7 Bxd7
30.Ng5 h6 31.Nxf7+ Kh7 32.Rd1 Bf5 33.Rd8 Ra7 34.Nd6 Bb1 35.e6 Nf6 36.Ne8 Nxe8
37.Rxe8 g5 38.Kd4 Kg7 39.Ke5 Rc7 40.e7 Bh7 41.Kd6 Rxc3 42.Rf8 Rd3+ 43.Bd5 Be4
44.e8=Q Rxd5+ 45.Ke6 1-0

[Event "Portoroz/Ljubljana"]
[Site "Ljubljana"]
[Date "1975.??.??"]
[Round "6"]
[White "Portisch, Lajos"]
[Black "Mariotti, Sergio"]
[Result "1-0"]
[WhiteElo "2635"]
[BlackElo "2495"]
[ECO "A92"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Qc2 c6 8.Nbd2 a5
9.Ne5 Nbd7 10.Nd3 Bd6 11.Nf3 Qe7 12.Nfe5 Bb8 13.Bf4 Nxe5 14.Bxe5 Bxe5 15.dxe5 Nd7
16.Rfc1 b6 17.cxd5 cxd5 18.Qc6 Ba6 19.Nf4 Rae8 20.Qxe6+ Qxe6 21.Nxe6 Rxe6
22.Bxd5 Re8 23.Rc6 Kf7 24.f4 Bxe2 25.Rac1 Re7 26.Rd6 Nf8 27.Rc8 Kg6 28.Rdd8 b5
29.Rxf8 Rb6 30.Rb8 Rxb8 31.Rxb8 Rc7 32.Rb6+ Kh5 33.Rc6 Rd7 34.Rd6 Rc7 35.Bc6 g5
36.Kf2 gxf4 37.Kxe2 fxg3 38.hxg3 Kg4 39.e6 Kxg3 40.Rd3+ 1-0