[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.??.??"]
[Round "6"]
[White "Quinteros, Miguel A"]
[Black "Sax, Gyula"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A85"]

1.c4 g6 2.Nc3 Bg7 3.d4 f5 4.Nf3 Nf6 5.e3 O-O 6.b4 b6 7.Qb3 c5 8.a3 e6 9.Be2 Qe7
10.O-O d6 11.Bb2 Nbd7 12.Rad1 Ne8 13.Ne1 a6 14.Nc2 Nc7 15.Bf3 Rb8 16.Rd2 b5
17.cxb5 axb5 18.dxc5 dxc5 19.bxc5 Nxc5 20.Qa2 Bb7 21.Bxb7 Rxb7 22.Rfd1 Kh8
23.Nb4 N7a6 24.Nxa6 Nxa6 25.Ne2 Nc5 26.Bxg7+ Qxg7 27.Nf4 Qe5 28.Qb1 Kg8 29.Qb4 g5
30.Nd3 Nxd3 31.Rxd3 Rff7 32.Qa5 Kg7 33.h3 Qc5 34.Rc3 Ra7 1/2-1/2

[Event "USA-ch"]
[Site "Estes Park"]
[Date "1985.??.??"]
[Round "10"]
[White "Fedorowicz, John P"]
[Black "Browne, Walter S"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2530"]
[ECO "B52"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Qe2 e6 7.b3 Be7 8.Bb2 O-O
9.c4 a6 10.d4 cxd4 1/2-1/2

[Event "Wch U20 final-A"]
[Site "Antwerp"]
[Date "1955.??.??"]
[Round "6"]
[White "Spassky, Boris V"]
[Black "Tringov, Georgi P"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 Be7 6.c3 b5 7.Bc2 O-O 8.O-O d6
9.a4 Rb8 10.Na3 Bg4 11.h3 Bh5 12.d3 d5 13.Bg5 d4 14.axb5 axb5 15.Nb1 Qd7
16.Nbd2 dxc3 17.bxc3 Ra8 18.Qe3 b4 19.cxb4 Nxb4 20.Rac1 Bxf3 21.Nxf3 Qd6
22.d4 exd4 23.Nxd4 Ng4 24.hxg4 Bxg5 25.Qxg5 Qxd4 26.Bb1 Qb6 27.e5 Rad8 28.Rc3 Rd4
29.Qh5 h6 30.g5 Nd5 31.Rf3 Nf4 32.Qh2 Ne2+ 33.Kh1 Rfd8 34.Bc2 c5 35.gxh6 g6
36.h7+ Kh8 37.Rxf7 Qb4 38.f4 Qc4 39.Bxg6 Ng3+ 40.Qxg3 Qxf1+ 41.Kh2 Rd1 42.Qh4 Qh1+
43.Kg3 Qe1+ 44.Kg4 Qe2+ 45.Kg3 Qe3+ 46.Kg4 Qe2+ 47.Kf5 Qc2+ 48.Kf6 Qe2 49.g4 1-0