[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "1"]
[White "Addison, William"]
[Black "Byrne, Robert"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1969.11.30"]
[PlyCount "131"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.Be3 Re8 
9.dxe5 dxe5 10.Qxd8 Rxd8 11.Bg5 Rf8 12.Rfd1 Bg4 13.Rac1 h6 14.Be3 Rfd8 15.
h3 Bxf3 16.Bxf3 Nd4 17.Nb5 Ne8 18.Nxd4 exd4 19.Bf4 c6 20.Rd3 g5 21.Bg3 Rd7
22.c5 Rad8 23.Bg4 Re7 24.f3 Be5 25.Bxe5 Rxe5 26.Rc4 Ng7 27.Rcxd4 Rxd4 28.
Rxd4 Rxc5 29.h4 Rb5 30.Rd8+ Kh7 31.b3 Ne6 32.Bxe6 fxe6 33.h5 g4 34.Rd7+ 
Kg8 35.fxg4 Rb4 36.Kf2 Rxe4 37.Rxb7 a5 38.Ra7 Re5 39.Kf3 Rc5 40.Kf4 Rb5 
41.Re7 Rb4+ 42.Kf3 a4 43.bxa4 Rxa4 44.Rxe6 Kh7 45.Rxc6 Rxa2 46.Kg3 Ra3+ 
47.Kh2 Ra4 48.Rg6 Rb4 49.g3 Rb1 50.g5 hxg5 51.Kh3 Rb4 52.Rxg5 Kh6 53.Rf5 
Ra4 54.g4 Ra1 55.Rf6+ Kg5 56.Rg6+ Kf4 57.Kg2 Ra2+ 58.Kf1 Kf3 59.Ke1 Ke3 
60.Kd1 Kd3 61.Kc1 Kc3 62.Rc6+ Kd4 63.h6 Rg2 64.h7 Rh2 65.Rc7 Ke5 66.g5 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "1"]
[White "Benko, Pal"]
[Black "Saidy, Anthony Fred"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1969.11.30"]
[PlyCount "82"]

1.c4 Nf6 2.Nc3 c5 3.g3 e6 4.Nf3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qf4 Qb8 10.Rd1 O-O 11.b3 Rd8 12.Bb2 Qxf4 13.gxf4 Na5 14.Nd4 Bxg2 15.
Kxg2 d5 16.cxd5 Nxd5 17.Nxd5 Rxd5 18.e4 Rdd8 19.Rac1 a6 20.f5 Bg5 21.Rb1 
exf5 22.Nxf5 g6 23.h4 gxf5 24.hxg5 fxe4 25.Bf6 Rxd1 26.Rxd1 Nc6 27.Rd6 Nb4
28.a4 b5 29.axb5 axb5 30.Rd4 Nd3 31.Rxe4 Nc5 32.Rb4 Rb8 33.Kf3 Nd7 34.Bd4 
f6 35.gxf6 Kf7 36.Bb2 Nxf6 37.Rh4 Rb6 38.Bd4 Rd6 39.Ke3 Kg6 40.Be5 Re6 41.
Kd4 h5 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "1"]
[White "Byrne, Donald"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1969.11.30"]
[PlyCount "68"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.d3 a6 6.a4 d6 7.e4 Nf6 8.Nge2 Bd7 9.
h3 O-O 10.Be3 e5 11.O-O Rb8 12.Rb1 Ne8 13.Nd5 b5 14.axb5 axb5 15.b4 cxb4 
16.Nxb4 Nxb4 17.Rxb4 bxc4 18.Rxc4 Be6 19.Rc1 Qd7 20.Kh2 f5 21.f4 Nf6 22.
Qd2 Kh8 23.Rc2 Bb3 24.Rb2 Be6 25.Rxb8 Rxb8 26.Rc1 h5 27.exf5 Bxf5 28.Nc3 
Rc8 29.Ne4 Rxc1 30.Qxc1 Nd5 31.fxe5 Nxe3 32.Qxe3 dxe5 33.h4 Qd4 34.Qxd4 
exd4 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "1"]
[White "Mednis, Edmar John"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1969.11.30"]
[PlyCount "56"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 h6 7.Nd6+ Bxd6 8.
Qxd6 Qe7 9.Qxe7+ Kxe7 10.Be3 d6 11.f3 a6 12.O-O-O b5 13.g4 Be6 14.h4 Na5 
15.b3 Nb7 16.Kb2 Nc5 17.a3 Rac8 18.Rg1 Rc7 19.g5 Nh5 20.gxh6 gxh6 21.b4 
Nd7 22.Nd5+ Bxd5 23.Rxd5 Rhc8 24.Rd2 Nf4 25.Bxf4 exf4 26.Bh3 Rc3 27.Bxd7 
Kxd7 28.Rgd1 Ke7 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "1"]
[White "Reshevsky, Samuel Herman"]
[Black "Burger, Karl"]
[Result "1-0"]
[ECO "E56"]
[EventDate "1969.11.30"]
[PlyCount "51"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O Nc6 8.a3 dxc4 
9.Bxc4 Ba5 10.Bd3 Qe7 11.Ne4 Nxe4 12.Bxe4 Bb6 13.dxc5 Qxc5 14.b4 Qc4 15.
Nd2 Qc3 16.Ra2 Rd8 17.Rc2 Qe5 18.Bb2 Qg5 19.Qe2 Ne7 20.f4 Qh6 21.Nc4 f5 
22.Nxb6 axb6 23.Rc7 fxe4 24.Rxe7 Rd7 25.Re8+ Kf7 26.Rh8 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "1"]
[White "Zuckerman, Bernard"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "C62"]
[EventDate "1969.11.30"]
[PlyCount "57"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Nc6 5.Bb5 Ne7 6.Bg5 h6 7.Bh4 Rg8 8.Nc3 
g5 9.Bg3 a6 10.Bxc6+ Nxc6 11.Qe3 g4 12.Bh4 Be7 13.Bxe7 Nxe7 14.Nd4 Rg6 15.
O-O-O Be6 16.f4 gxf3 17.gxf3 Nc6 18.f4 Bd7 19.Nd5 Nxd4 20.Qxd4 Bc6 21.f5 
Rg2 22.Nf6+ Ke7 23.e5 Re2 24.Rhe1 dxe5 25.Qb4+ Kxf6 26.Rxd8 Rxe1+ 27.Qxe1 
Rxd8 28.Qh4+ Kxf5 29.Qxd8 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "2"]
[White "Bisguier, Arthur Bernard"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "D53"]
[EventDate "1969.11.30"]
[PlyCount "33"]

1.c4 e6 2.Nf3 d5 3.d4 Nf6 4.Nc3 Be7 5.Bg5 h6 6.Bxf6 Bxf6 7.e3 c6 8.Qc2 Nd7
9.cxd5 cxd5 10.Be2 a6 11.O-O O-O 12.Rac1 b5 13.a4 b4 14.Nb1 a5 15.Nbd2 Nb6
16.b3 Bd7 17.Qb2 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "2"]
[White "Burger, Karl"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D90"]
[EventDate "1969.11.30"]
[PlyCount "41"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Bd2 O-O 7.Rc1 Nb6 8.e3 
N8d7 9.Be2 e5 10.O-O c6 11.b4 Re8 12.a4 e4 13.Ne1 Nf6 14.b5 Bd7 15.a5 Nbd5
16.Nxd5 cxd5 17.Qb3 Bg4 18.Bxg4 Nxg4 19.h3 Nf6 20.Nc2 Qd7 21.Na3 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "2"]
[White "Evans, Larry Melvyn"]
[Black "Zuckerman, Bernard"]
[Result "1/2-1/2"]
[ECO "B76"]
[EventDate "1969.11.30"]
[PlyCount "51"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 
O-O 9.O-O-O Nxd4 10.Bxd4 Be6 11.Kb1 Qc7 12.h4 Rfc8 13.h5 Qa5 14.hxg6 hxg6 
15.a3 Rab8 16.g4 b5 17.Nd5 Qxd2 18.Rxd2 Nxd5 19.exd5 Bxd5 20.Bxg7 Bxf3 21.
Rh3 Bxg4 22.Rg3 Kxg7 23.Rxg4 Rc5 24.Re4 Rb7 25.b4 Rh5 26.Kb2 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "2"]
[White "Lombardy, William James"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1969.11.30"]
[PlyCount "38"]

1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 O-O 5.e3 d6 6.Be2 e5 7.d4 exd4 8.Nxd4 a5 
9.b5 Nbd7 10.Nc3 Nc5 11.O-O Re8 12.Qc2 Bg4 13.Rad1 Bxe2 14.Qxe2 Qe7 15.Nd5
Nxd5 16.cxd5 Qe5 17.Qc4 Qe4 18.Ba3 b6 19.Rc1 Qh4 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "2"]
[White "Mednis, Edmar John"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C86"]
[EventDate "1969.11.30"]
[PlyCount "44"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.d5 Bd7 13.Kh2 Nb7 14.Rg1 Ne8 15.g4 g6 16.
Bh6 Ng7 17.Nbd2 f6 18.Nf1 Nd8 19.Rg2 Nf7 20.Bd2 Kh8 21.Ne3 Rg8 22.Rag1 c4 
1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "2"]
[White "Saidy, Anthony Fred"]
[Black "Addison, William"]
[Result "0-1"]
[ECO "B14"]
[EventDate "1969.11.30"]
[PlyCount "82"]

1.c4 c6 2.e4 d5 3.exd5 cxd5 4.d4 e6 5.Nc3 Nc6 6.Nf3 Nf6 7.Bg5 Be7 8.Rc1 
O-O 9.c5 Ne4 10.Bxe7 Qxe7 11.Bb5 Nxc3 12.Rxc3 e5 13.O-O Bg4 14.Bxc6 bxc6 
15.Qa4 Bxf3 16.Rxf3 e4 17.Rb3 Qc7 18.g3 f5 19.f4 Rfb8 20.Rf2 a5 21.h3 Kh8 
22.Kg2 Rxb3 23.Qxb3 Rb8 24.Qe3 h6 25.Rd2 Rb4 26.h4 a4 27.Kf2 Qb8 28.Qe2 
Kh7 29.Ke3 Qc8 30.Qh5 Qd7 31.Qe2 Qe6 32.h5 Qf6 33.Qa6 Rc4 34.Qc8 a3 35.Qe8
axb2 36.Qg6+ Qxg6 37.hxg6+ Kxg6 38.Rxb2 Rc3+ 39.Kf2 Rd3 40.a4 Rxd4 41.Ra2 
Rb4 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "3"]
[White "Addison, William"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "D48"]
[EventDate "1969.11.30"]
[PlyCount "75"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 Nf6 5.Nf3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.d5 e5 11.b3 Bd6 12.O-O O-O 13.Nd2 g6 14.a4 c4 15.Bb1 b4 16.Nxc4
Nc5 17.Na2 Ncxe4 18.Qe1 Nc5 19.Nxb4 Nxb3 20.Nc6 Qc7 21.Nxd6 Nxc1 22.Qxe5 
Ne2+ 23.Kh1 Nxd5 24.Be4 Bd7 25.Qxd5 Bxc6 26.Qxc6 Qxc6 27.Bxc6 Rad8 28.Nb7 
Rd2 29.Rfd1 Rc2 30.Be4 Rb2 31.Bf3 Rb8 32.Nc5 Nc3 33.Rdc1 Na2 34.Rf1 a5 35.
Nb7 Ra8 36.Nd6 Ra7 37.Nc4 Rc2 38.Be4 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "3"]
[White "Benko, Pal"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1969.11.30"]
[PlyCount "85"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nc3 Bg7 5.Nf3 O-O 6.Be2 cxd4 7.exd4 d5 8.O-O 
Nc6 9.h3 dxc4 10.Bxc4 b6 11.a3 e6 12.Bg5 h6 13.Bf4 Bb7 14.Ba2 Ne7 15.Rc1 
Rc8 16.Be5 Nf5 17.Nh2 Qd7 18.Qd2 Rfd8 19.Rfd1 Ne4 20.Qe1 Nxc3 21.bxc3 Qe7 
22.Bxg7 Nxg7 23.a4 Qa3 24.Qd2 h5 25.c4 Qxa4 26.d5 Ba6 27.Nf3 Bxc4 28.Bxc4 
Rxc4 29.Ra1 Qb5 30.Rxa7 Rxd5 31.Ra8+ Ne8 32.Qe1 Kf8 33.Rxd5 Qxd5 34.Qa1 
Rc1+ 35.Qxc1 Qxa8 36.Ne5 Nf6 37.Qc7 Qe8 38.Qxb6 Kg7 39.Qd4 Qe7 40.g4 Kg8 
41.Nc6 Qc7 42.Qxf6 Qxc6 43.gxh5 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "3"]
[White "Byrne, Donald"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[ECO "A14"]
[EventDate "1969.11.30"]
[PlyCount "34"]

1.c4 Nf6 2.g3 e6 3.Nf3 d5 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.d3 c5 9.
e3 Nc6 10.Qe2 Rc8 11.Rd1 Qc7 12.Nc3 Rfd8 13.Rac1 Qb8 14.cxd5 Nxd5 15.Nxd5 
Rxd5 16.d4 cxd4 17.Nxd4 Nxd4 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "3"]
[White "Byrne, Robert"]
[Black "Saidy, Anthony Fred"]
[Result "1-0"]
[ECO "B19"]
[EventDate "1969.11.30"]
[PlyCount "77"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7 7.h4 h6 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 Ngf6 11.Bd2 e6 12.O-O-O Qc7 13.Qe2 O-O-O 14.Ne5 Nb6 15.
Ba5 Rd5 16.b4 Rxa5 17.bxa5 Ba3+ 18.Kb1 Na4 19.Qf3 Bb4 20.Rd3 Qxa5 21.Ne2 
Rf8 22.Rb3 Nd5 23.Nc4 Qa6 24.Qd3 b5 25.Ne3 Nxe3 26.Qxe3 Bd6 27.Nc3 Nb6 28.
Ne4 Rd8 29.Qf3 Qb7 30.Rd1 Bf8 31.Rdd3 Nc4 32.Nd2 Qc7 33.Ka1 Rd5 34.Rb1 Rf5
35.Qe2 Qa5 36.Nxc4 bxc4 37.Re3 Bb4 38.Qxc4 Bd2 39.Qxc6+ 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "3"]
[White "Reshevsky, Samuel Herman"]
[Black "Lombardy, William James"]
[Result "1-0"]
[ECO "D58"]
[EventDate "1969.11.30"]
[PlyCount "57"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 b6 7.Bd3 Bb7 8.Rc1 Nbd7
9.O-O h6 10.Bh4 Ne4 11.Bg3 Nxg3 12.hxg3 c5 13.Qe2 dxc4 14.Bxc4 Bxf3 15.
gxf3 cxd4 16.exd4 Nf6 17.Rfd1 Rc8 18.Ba6 Rc6 19.Kg2 Bd6 20.f4 Rc7 21.Qf3 
Qd7 22.Bb5 Qc8 23.f5 e5 24.d5 e4 25.Qe2 Qxf5 26.Bc6 a6 27.Re1 b5 28.Nxe4 
Re7 29.Nxd6 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "3"]
[White "Zuckerman, Bernard"]
[Black "Burger, Karl"]
[Result "1/2-1/2"]
[ECO "B30"]
[EventDate "1969.11.30"]
[PlyCount "39"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 d6 5.Bg2 Be7 6.O-O Nf6 7.Nbd2 O-O 8.c3 Bd7 
9.Re1 Qc7 10.a3 Ne5 11.Nxe5 dxe5 12.a4 Bc6 13.Nc4 Nd7 14.f4 exf4 15.Bxf4 
e5 16.Bd2 Rad8 17.Ne3 Nf6 18.Qe2 g6 19.c4 Nh5 20.Nd5 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "4"]
[White "Bisguier, Arthur Bernard"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1969.11.30"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Be2 dxc4 7.Bxc4 Nbd7 8.O-O 
c5 9.Bb3 a6 10.a4 e6 11.Qe2 b6 12.Rd1 Qc7 13.Bd2 Bb7 14.Rac1 e5 15.dxe5 
Nxe5 16.Nxe5 Qxe5 17.f3 b5 18.axb5 axb5 19.Nxb5 Qxb2 20.Rb1 Qe5 21.Bc3 Qe7
22.Bc4 Rad8 23.e4 Nh5 24.g3 Rxd1+ 25.Rxd1 Bxc3 26.Nxc3 Rd8 27.Kf2 Ng7 28.
Rxd8+ Qxd8 29.Qe3 Ne6 30.Bxe6 fxe6 31.Na4 c4 32.Nc5 Qb6 33.Qd4 Ba6 34.Ke3 
Bb5 35.Qe5 Kf7 36.Kf4 h6 37.h4 Be8 38.h5 gxh5 39.Qxh5+ Ke7 40.Qh4+ Kf7 
1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "4"]
[White "Burger, Karl"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1969.11.30"]
[PlyCount "54"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nf3 Bg7 5.Be2 cxd4 6.exd4 d5 7.Nc3 O-O 8.O-O 
Nc6 9.h3 dxc4 10.Bxc4 b6 11.a3 e6 12.Bg5 h6 13.Bf4 Bb7 14.Ba2 Ne7 15.Be5 
Nf5 16.Nh2 Rc8 17.Rc1 Qd7 18.Qd3 Rfd8 19.Rfd1 Nh5 20.Qe2 Bxe5 21.dxe5 Qc6 
22.Rxd8+ Rxd8 23.Qf1 Nf4 24.Nf3 Nd4 25.Nxd4 Rxd4 26.Rd1 Rxd1 27.Nxd1 Ba6 
0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "4"]
[White "Evans, Larry Melvyn"]
[Black "Addison, William"]
[Result "1-0"]
[ECO "C25"]
[EventDate "1969.11.30"]
[PlyCount "75"]

1.e4 e5 2.Nc3 Nc6 3.Bc4 Bc5 4.d3 d6 5.Na4 Bb6 6.a3 Nf6 7.Ne2 Be6 8.Nxb6 
axb6 9.Bxe6 fxe6 10.O-O O-O 11.Ng3 Nd7 12.Be3 Qh4 13.c3 Nf6 14.f3 Nh5 15.
Nxh5 Qxh5 16.b4 Rf6 17.a4 h6 18.Rf2 d5 19.Qb3 Qf7 20.Rfa2 Qd7 21.Bf2 Ne7 
22.a5 b5 23.a6 Rxa6 24.Rxa6 bxa6 25.Rxa6 Ng6 26.Bg3 c6 27.h3 h5 28.Qc2 h4 
29.Bh2 dxe4 30.dxe4 Rf8 31.Kh1 Rd8 32.Bg1 Nf4 33.Be3 g5 34.Kh2 Qf7 35.Rxc6
Rd3 36.Bc1 Kh7 37.Rc5 Qh5 38.Bxf4 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "4"]
[White "Lombardy, William James"]
[Black "Saidy, Anthony Fred"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1969.11.30"]
[PlyCount "212"]

1.c4 g6 2.d4 Nf6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.b4 c6 7.Bd2 Bg4 8.Qb3 Bxf3 
9.gxf3 e6 10.Be2 Nbd7 11.f4 dxc4 12.Qxc4 Nb6 13.Qd3 Qe7 14.Rb1 Rfd8 15.Qc2
Rac8 16.O-O Rc7 17.Rfc1 Rdc8 18.a3 Bf8 19.Qd3 Rd8 20.Bf3 Bg7 21.Qe2 a6 22.
Rc2 Rdc8 23.Rbc1 Ne8 24.Ne4 Nd6 25.Nc5 Ra8 26.h3 Nd5 27.Bg2 Rcc8 28.Nd3 
Nb6 29.Ne5 Nf5 30.Kh2 Qd8 31.Be1 Nd6 32.Qd3 Nd5 33.Qb3 Qe8 34.a4 Bh6 35.
Bd2 Bg7 36.Rd1 Qe7 37.Bc1 Qd8 38.Ba3 Nc7 39.Bb2 Nd5 40.Rdc1 Bf8 41.Nd3 Qe8
42.Bf3 Bh6 43.Bc3 Nxc3 44.Rxc3 Bf8 45.Nc5 Rcb8 46.Be2 Ra7 47.R3c2 Rba8 48.
Rb1 Rc8 49.Qb2 Rb8 50.Qc1 Rba8 51.Qe1 Rc8 52.Nd3 Rca8 53.Ne5 Bg7 54.Bf3 
Rc8 55.Qc3 Raa8 56.Rbc1 Bf8 57.Ng4 Qd8 58.Rb1 Bg7 59.Ne5 Bf8 60.Rb3 Bg7 
61.Qb2 Rab8 62.Bg2 Qe8 63.Rc1 Ra8 64.Qb1 Ra7 65.Bf1 Rca8 66.Bd3 Bf6 67.Rg1
Kf8 68.Qc1 Kg8 69.Rb1 Qd8 70.Qc2 Bg7 71.Qe2 Kf8 72.Qf3 Rc8 73.Rgc1 Kg8 74.
Qg4 Raa8 75.Rc5 Qe7 76.h4 h5 77.Qg3 Nf5 78.Bxf5 exf5 79.Nf3 Qd7 80.Qg2 Bf8
81.Rc2 Bd6 82.Kg3 Qe7 83.Rcb2 Qe4 84.Qf1 Qd5 85.Rc2 Re8 86.Nd2 Re7 87.Qc4 
Qxc4 88.Nxc4 Bc7 89.b5 cxb5 90.axb5 Rd7 91.Nd2 Bd8 92.Nb3 axb5 93.Nc5 Rd5 
94.Nxb7 Be7 95.Nc5 Bxc5 96.Rxb5 Rxd4 97.exd4 Bxd4 98.Rb7 Ra7 99.Rxa7 Bxa7 
100.Rd2 Bc5 101.Rd1 Kg7 102.Kf3 Be7 103.Rh1 Bc5 104.Ke2 Kf6 105.Rc1 Be7 
106.Kd3 Bd6 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "4"]
[White "Mednis, Edmar John"]
[Black "Zuckerman, Bernard"]
[Result "1/2-1/2"]
[ECO "B76"]
[EventDate "1969.11.30"]
[PlyCount "32"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 
O-O 9.O-O-O d5 10.exd5 Nxd5 11.Nxc6 bxc6 12.Bd4 e5 13.Bc5 Be6 14.Ne4 Re8 
15.h4 h6 16.c4 Qc7 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "4"]
[White "Reshevsky, Samuel Herman"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D76"]
[EventDate "1969.11.30"]
[PlyCount "46"]

1.c4 Nf6 2.g3 g6 3.Bg2 d5 4.cxd5 Nxd5 5.Nf3 Bg7 6.d4 O-O 7.e4 Nb6 8.Nc3 
Nc6 9.d5 Na5 10.O-O c6 11.Bg5 h6 12.Bf4 Nac4 13.Qb3 e5 14.Bc1 cxd5 15.exd5
Nd6 16.Be3 Nbc4 17.Bc5 Bg4 18.Rfe1 Re8 19.Nb5 b6 20.Bxd6 Nxd6 21.Rac1 Nxb5
22.Qxb5 Rc8 23.Nd2 Qd7 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "5"]
[White "Addison, William"]
[Black "Burger, Karl"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1969.11.30"]
[PlyCount "85"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 c6 8.O-O Ng4 
9.Bg5 f6 10.Bh4 Nh6 11.h3 Nf7 12.Qc2 Ng5 13.Rad1 Nd7 14.dxe5 Nxf3+ 15.Bxf3
dxe5 16.b4 Qe7 17.c5 Re8 18.Rd6 Nf8 19.Be2 Be6 20.Rfd1 Qf7 21.f3 h5 22.b5 
cxb5 23.Bxb5 Rec8 24.Bf2 Kh8 25.Ba4 Nh7 26.Bd7 Bxd7 27.Rxd7 Qc4 28.Rxb7 
Rab8 29.Qb3 Qxb3 30.Rxb3 Rxb3 31.axb3 Bf8 32.Na4 Ng5 33.b4 Rb8 34.Rb1 Ne6 
35.b5 Nc7 36.Nc3 Ne6 37.c6 Nd4 38.Bxd4 exd4 39.Nd5 Kg7 40.Kf1 Kf7 41.c7 
Rc8 42.b6 axb6 43.Rxb6 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "5"]
[White "Benko, Pal"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1969.11.30"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 Be7 5.Nc3 O-O 6.e3 h6 7.Bxf6 Bxf6 8.cxd5 
exd5 9.b4 Nc6 10.a3 a6 11.Be2 Re8 12.O-O Ne7 13.a4 Be6 14.b5 axb5 15.axb5 
Rxa1 16.Qxa1 c6 17.Rc1 Qd6 18.Qa7 Qb4 19.Qa4 Qd6 20.Qb3 Bc8 21.Na4 g5 22.
Ne1 Bg7 23.Nd3 f5 24.Qb4 Qxb4 25.Nxb4 f4 26.Bh5 Rf8 27.Nb6 fxe3 28.fxe3 
Be6 29.bxc6 bxc6 30.Nxc6 Nf5 31.Bg6 Nh4 32.Ne7+ Kh8 33.Bd3 g4 34.Nbxd5 
Bxd5 35.Nxd5 Rd8 36.Be4 h5 37.Kf2 Bh6 38.Kg3 Bg5 39.Rc5 Re8 40.Nc3 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "5"]
[White "Byrne, Donald"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1969.11.30"]
[PlyCount "26"]

1.c4 e5 2.g3 Nc6 3.Bg2 f5 4.Nc3 Nf6 5.d3 Be7 6.e3 O-O 7.Nge2 Qe8 8.O-O Kh8
9.Nd5 Bd8 10.Nec3 d6 11.b3 Nxd5 12.Nxd5 Ne7 13.Nxe7 Bxe7 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "5"]
[White "Byrne, Robert"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "A75"]
[EventDate "1969.11.30"]
[PlyCount "32"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Be2 Bg7 8.Nf3 O-O 
9.O-O a6 10.a4 Bg4 11.h3 Bxf3 12.Bxf3 Nbd7 13.Bf4 Ne8 14.Qc2 c4 15.Be2 Rc8
16.Rfe1 Qa5 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "5"]
[White "Saidy, Anthony Fred"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1969.11.30"]
[PlyCount "92"]

1.Nf3 d5 2.g3 c6 3.Bg2 Bg4 4.d3 e6 5.Nbd2 Nd7 6.O-O Bd6 7.c4 Ne7 8.b3 O-O 
9.Bb2 f5 10.h3 Bxf3 11.Nxf3 Ng6 12.e3 a5 13.a3 Qe7 14.cxd5 exd5 15.Re1 
Rad8 16.Qc2 Nge5 17.Nd4 Nc5 18.Rad1 Ned7 19.b4 axb4 20.axb4 Ne6 21.b5 Nxd4
22.Bxd4 Rc8 23.Rb1 Be5 24.Bxe5 Nxe5 25.bxc6 bxc6 26.Rec1 Qd7 27.Qc3 Rfe8 
28.Rb6 Re6 29.Qb3 h6 30.Bxd5 cxd5 31.Rxc8+ Kh7 32.Rxe6 Qxe6 33.Rc5 Nf3+ 
34.Kg2 Ne1+ 35.Kf1 f4 36.Qxd5 Qxh3+ 37.Kxe1 fxg3 38.Qe4+ Kg8 39.Qc4+ Kh7 
40.fxg3 Qxg3+ 41.Kd2 Qf2+ 42.Kc3 Qe1+ 43.Kb3 Qb1+ 44.Ka4 Qa1+ 45.Kb5 Qb1+ 
46.Kc6 Qb8 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "5"]
[White "Zuckerman, Bernard"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C92"]
[EventDate "1969.11.30"]
[PlyCount "36"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 Nd7 10.d4 Bf6 11.a4 Na5 12.Bc2 Nb6 13.b4 Nac4 14.a5 Nd7 15.Na3 Nxa3 
16.Bxa3 c6 17.Qd3 g6 18.Rad1 Qe7 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "6"]
[White "Burger, Karl"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[ECO "E92"]
[EventDate "1969.11.30"]
[PlyCount "51"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bh4 g5 10.Bg3 Nh6 11.h3 Nc6 12.d5 Ne7 13.Bh2 g4 14.hxg4 Nxg4 15.Bg3 f5 
16.Nd2 Nf6 17.Qc2 fxe4 18.Ndxe4 Nf5 19.O-O-O Nxe4 20.Nxe4 Nxg3 21.fxg3 Bf5
22.Bd3 Qe7 23.Kb1 Bg6 24.a3 Rf7 25.Ka2 Raf8 26.Qe2 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Zuckerman, Bernard"]
[Result "1-0"]
[ECO "A36"]
[EventDate "1969.11.30"]
[PlyCount "111"]

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 O-O 5.e4 c5 6.Nge2 Nc6 7.O-O Rb8 8.d3 d6 
9.a4 a6 10.h3 Ne8 11.Be3 Nd4 12.Rb1 Nc7 13.b4 Nxe2+ 14.Nxe2 cxb4 15.Bb6 
Bd7 16.Rxb4 e5 17.Nc3 Qc8 18.a5 Ne6 19.Nd5 Re8 20.Rb1 Ra8 21.Be3 Rb8 22.
Ba7 Bc6 23.Bxb8 Qxb8 24.f4 exf4 25.gxf4 Qd8 26.f5 Nd4 27.f6 Bf8 28.Qd2 h5 
29.Qf2 Ne6 30.Qb6 Qd7 31.Qe3 Kh7 32.d4 Bh6 33.Qc3 Bxd5 34.cxd5 Nf4 35.Rbe1
Qd8 36.e5 dxe5 37.dxe5 Nxg2 38.Kxg2 Qxd5+ 39.Qf3 Qxa5 40.Qxb7 Qa2+ 41.Rf2 
Qe6 42.Rf3 Bf8 43.Qb3 Bd6 44.Qxe6 Rxe6 45.exd6 Rxe1 46.Rd3 Re8 47.d7 Rd8 
48.Kf3 g5 49.Ke4 Kg6 50.Ke5 g4 51.hxg4 hxg4 52.Rd4 Kg5 53.Kd6 g3 54.Rd3 
Kf4 55.Ke7 g2 56.Rd1 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "6"]
[White "Evans, Larry Melvyn"]
[Black "Saidy, Anthony Fred"]
[Result "1/2-1/2"]
[ECO "D84"]
[EventDate "1969.11.30"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.
Bxc7 Na6 9.Bg3 Bf5 10.a3 Rfc8 11.Nf3 Rc2 12.b4 Qb3 13.Bxa6 Qc3+ 14.Kf1 
bxa6 15.Kg1 Qb2 16.h3 Rac8 17.Kh2 R8c3 18.Re1 Bh6 19.e4 Bd7 20.Rb1 Qxa3 
21.d5 Bg7 22.e5 Qa2 23.Qd4 Bb5 24.Qxa7 Qxd5 25.Rbd1 Rd3 26.Rxd3 Qxd3 27.e6
fxe6 28.Qb8+ Bf8 29.Ng5 Qd7 30.Qf4 Qe8 31.Qh4 h6 32.Nxe6 Rc4 33.Re4 Qc6 
34.Qf4 Bg7 35.Rxc4 Bxc4 36.Qb8+ Kh7 37.Nf8+ Bxf8 38.Qxf8 Qf6 39.Qb8 Qf7 
40.Be5 Qg8 41.Qc7 Qf7 42.f4 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "6"]
[White "Lombardy, William James"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1969.11.30"]
[PlyCount "114"]

1.g3 d5 2.Bg2 c6 3.d3 e5 4.Nd2 f5 5.e4 Nf6 6.Ngf3 fxe4 7.dxe4 dxe4 8.Nxe5 
Qd4 9.Ndc4 Qxd1+ 10.Kxd1 Bc5 11.Be3 Bxe3 12.Nxe3 O-O 13.Ke2 Na6 14.h3 Be6 
15.Rhd1 Rae8 16.N5c4 Re7 17.Nd6 Nc5 18.a4 Nd5 19.Rd4 Nxe3 20.Kxe3 Bd5 21.
b4 Ne6 22.Rd2 Ng5 23.c4 Bf7 24.Nxf7 Nxf7 25.Rd4 Ne5 26.Ra2 a5 27.bxa5 c5 
28.Rxe4 Nxc4+ 29.Kd3 Rxe4 30.Bxe4 Nxa5 31.Bd5+ Kh8 32.Rb2 Rd8 33.Ke4 c4 
34.Ke5 Rc8 35.Kd4 g6 36.Kc3 Rd8 37.Rb5 b6 38.Kd4 Kg7 39.Kc3 Rd6 40.Bxc4 
Rc6 41.Rb4 Rc5 42.f4 g5 43.Kd3 gxf4 44.gxf4 Nxc4 45.Rxc4 Rh5 46.Ke4 Rxh3 
47.Ke5 Re3+ 48.Kf5 Re7 49.Rc6 Ra7 50.Rxb6 Rxa4 51.Rb7+ Kg8 52.Kg5 Ra6 53.
f5 h6+ 54.Kh5 Rf6 55.Rc7 Rxf5+ 56.Kg6 Rg5+ 57.Kxh6 Rg1 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "6"]
[White "Mednis, Edmar John"]
[Black "Addison, William"]
[Result "0-1"]
[ECO "C54"]
[EventDate "1969.11.30"]
[PlyCount "118"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.O-O O-O 7.b4 Bb6 8.a4 a5 9.
b5 Ne7 10.Na3 Ng6 11.Kh1 h6 12.Nc2 Be6 13.Bxe6 fxe6 14.Ne3 Bxe3 15.Bxe3 b6
16.c4 Rf7 17.Rc1 Qe7 18.Nd2 Raf8 19.Nb1 Kh7 20.Nc3 Nd7 21.d4 exd4 22.Qxd4 
Qh4 23.f3 Nc5 24.Qd1 Ne5 25.Bxc5 dxc5 26.Qe2 g5 27.Nb1 g4 28.Nd2 g3 29.h3 
Rd8 30.Rcd1 Nd3 31.e5 Nf2+ 32.Rxf2 gxf2 33.Rf1 Qd4 34.Ne4 Qxe5 35.Qxf2 Rd4
36.Qe2 Rfd7 37.Re1 Rd3 38.Qc2 Kg7 39.Qc1 Qf5 40.Qb2+ R7d4 41.Qe2 Qe5 42.
Qf1 Qf5 43.Qe2 e5 44.Kg1 Rb3 45.Qc2 Rb4 46.Qf2 Rbxc4 47.Ng3 Qg5 48.Ne4 Qf4
49.Ng3 Kf7 50.Ne2 Qh4 51.Nxd4 Qxf2+ 52.Kxf2 exd4 53.f4 Rc2+ 54.Kf3 d3 55.
g4 d2 56.Rd1 c4 57.Ke2 c3 58.Rg1 Rc1 59.Rd1 Ke6 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "6"]
[White "Reshevsky, Samuel Herman"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1969.11.30"]
[PlyCount "34"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2 c5 7.dxc5 Na6 8.cxd5 
Nxc5 9.Bc4 a6 10.a4 Bf5 11.O-O Rc8 12.Qe2 Nce4 13.Rfd1 Bg4 14.h3 Nxd2 15.
Rxd2 Bxf3 16.gxf3 Ne8 17.Ne4 Nd6 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "7"]
[White "Addison, William"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E52"]
[EventDate "1969.11.30"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 b6 7.O-O Bb7 8.a3 Bd6 
9.Qe2 Ne4 10.Nd2 f5 11.f3 Qh4 12.f4 a6 13.Nf3 Qe7 14.Bd2 Nd7 15.b4 Nxc3 
16.Bxc3 dxc4 17.Bxc4 Nf6 18.Ng5 Nd5 19.Bd2 h6 20.Nf3 Nf6 21.Be1 b5 22.Bd3 
Ne4 23.Bh4 Qe8 24.Rfc1 Bd5 25.Nd2 Nxd2 26.Qxd2 c6 27.a4 Qg6 28.Bf1 Qf7 29.
a5 g5 30.Bg3 h5 31.h4 gxf4 32.Bxf4 Bxf4 33.exf4 Kh7 34.g3 Rg8 35.Ra3 Qf6 
36.Kh2 Rad8 37.Qd1 Kh6 38.Rc5 Be4 39.Re5 Rd7 40.Bg2 Bxg2 41.Kxg2 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "7"]
[White "Benko, Pal"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D94"]
[EventDate "1969.11.30"]
[PlyCount "89"]

1.c4 Nf6 2.Nf3 g6 3.Nc3 d5 4.d4 Bg7 5.e3 O-O 6.Be2 dxc4 7.Bxc4 Nfd7 8.b4 
e5 9.Bb2 Nc6 10.Nd5 exd4 11.Nxd4 Nde5 12.Bb3 Bg4 13.f3 Nxd4 14.Bxd4 Qh4+ 
15.Kf1 Bf5 16.Qe1 Qd8 17.Qc3 Re8 18.e4 Bd7 19.Rd1 Bb5+ 20.Kf2 c6 21.Nf4 
Qf6 22.g3 Rad8 23.Bxe5 Qxe5 24.Qxe5 Bxe5 25.Ke3 Bc3 26.a4 Ba6 27.b5 cxb5 
28.axb5 Bxb5 29.Nd5 Rc8 30.Rc1 Red8 31.Rhd1 Rxd5 32.Bxd5 Ba6 33.Bb3 b5 34.
Rc2 b4 35.Rd7 Bc4 36.Bxc4 Rxc4 37.Rxa7 Bd4+ 38.Kd3 Rxc2 39.Ra8+ Kg7 40.
Kxc2 Bg1 41.h3 Bh2 42.g4 Be5 43.Kb3 Bc3 44.Ra7 Kf6 45.Kc4 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "7"]
[White "Bisguier, Arthur Bernard"]
[Black "Evans, Larry Melvyn"]
[Result "0-1"]
[ECO "A35"]
[EventDate "1969.11.30"]
[PlyCount "78"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nc3 Bg7 5.Nf3 O-O 6.Be2 cxd4 7.Nxd4 Nc6 8.Nc2 
d6 9.O-O a6 10.e4 Bd7 11.Be3 Rc8 12.f4 Qc7 13.Rc1 Qb8 14.c5 Rfd8 15.cxd6 
exd6 16.Bb6 Re8 17.Bf3 Be6 18.Nd4 Bc4 19.Rf2 Nb4 20.b3 Nd7 21.Bg4 Nxb6 22.
Bxc8 Nd3 23.bxc4 Nxf2 24.Kxf2 Qxc8 25.Qd3 Qxc4 26.Qxc4 Nxc4 27.Rd1 b5 28.
Kf3 f5 29.a3 fxe4+ 30.Nxe4 d5 31.Nc5 Re3+ 32.Kf2 Rxa3 33.Nf3 Ra2+ 34.Kg3 
Ne3 35.Rd3 d4 36.Ne6 Rxg2+ 37.Kh3 Rf2 38.Nfxd4 Bxd4 39.Rxd4 Rf3+ 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "7"]
[White "Byrne, Robert"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[ECO "B67"]
[EventDate "1969.11.30"]
[PlyCount "40"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Be2 h6 11.Bh4 Qc7 12.Bg3 Nxd4 13.Qxd4 Bc6 14.e5 dxe5 15.
fxe5 Nd7 16.Ne4 Bxe4 17.Qxe4 Nc5 18.Qg4 O-O 19.Kb1 Rac8 20.c3 Rfd8 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "7"]
[White "Saidy, Anthony Fred"]
[Black "Burger, Karl"]
[Result "1-0"]
[ECO "D93"]
[EventDate "1969.11.30"]
[PlyCount "131"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.Nf3 O-O 6.Rc1 c6 7.e3 Qa5 8.Nd2 Nbd7
9.Nb3 Qb6 10.cxd5 Nxd5 11.Nxd5 cxd5 12.Be2 e5 13.dxe5 Nxe5 14.Qxd5 Be6 15.
Qb5 Nc6 16.Nc5 Bxb2 17.Rc2 Bg7 18.Qxb6 axb6 19.Nxe6 Nb4 20.Rc4 fxe6 21.Bd6
Nd3+ 22.Bxd3 Rfd8 23.Bb4 Rxd3 24.Ke2 Rd5 25.a3 Bf8 26.Rhc1 Bxb4 27.axb4 
Kg7 28.R1c2 Kf6 29.Rf4+ Rf5 30.Rc7 Ra2+ 31.Kf3 Rxf4+ 32.exf4 Ra3+ 33.Ke4 
Rb3 34.Rxh7 Rxb4+ 35.Kf3 Rb3+ 36.Kg4 Rb2 37.Kg3 Rb3+ 38.f3 Rb2 39.Rxb7 b5 
40.Kh3 Rb4 41.Kg3 Rb1 42.h4 Rb4 43.Kg4 Rb2 44.Kh3 Rb3 45.Rh7 Rc3 46.Rb7 
Rb3 47.Rc7 Rd3 48.Kg4 Rd2 49.g3 Rd3 50.Rb7 Rb3 51.Rb6 Rb4 52.Kh3 Rb3 53.
Kg4 Rb4 54.Rb8 Rb3 55.Rh8 Rd3 56.Rh7 Rc3 57.h5 gxh5+ 58.Rxh5 Rb3 59.f5 
Rb4+ 60.f4 e5 61.Rh6+ Kg7 62.Kg5 exf4 63.f6+ Kf7 64.Rh7+ Ke6 65.Re7+ Kd6 
66.Re8 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "7"]
[White "Zuckerman, Bernard"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "C66"]
[EventDate "1969.11.30"]
[PlyCount "35"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.Nc3 exd4 6.Nxd4 Nf6 7.O-O Be7 8.Re1 
O-O 9.Bf1 Re8 10.h3 Bf8 11.Bg5 h6 12.Bh4 Be7 13.Bg3 Nxd4 14.Qxd4 Nh5 15.
Bh2 Bf6 16.e5 dxe5 17.Bxe5 Bxe5 18.Rxe5 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "8"]
[White "Burger, Karl"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "E44"]
[EventDate "1969.11.30"]
[PlyCount "54"]

1.c4 Nf6 2.d4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ne4 6.f3 Nxc3 7.bxc3 Bd6 8.e4 Nc6
9.e5 Be7 10.Ng3 Ba6 11.Bd3 Na5 12.Qe2 d5 13.cxd5 Bxd3 14.Qxd3 Qxd5 15.O-O 
Rd8 16.f4 g6 17.Ne4 c5 18.Be3 Nc6 19.Nd6+ Bxd6 20.c4 Nb4 21.Qc3 cxd4 22.
Qb2 Qe4 23.exd6 Qxe3+ 24.Kh1 Qc3 25.Qe2 d3 26.Qf3 O-O 27.a3 Nc2 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "8"]
[White "Byrne, Donald"]
[Black "Addison, William"]
[Result "1-0"]
[ECO "A12"]
[EventDate "1969.11.30"]
[PlyCount "57"]

1.c4 Nf6 2.g3 c6 3.Nf3 d5 4.b3 Bf5 5.Bg2 e6 6.O-O Be7 7.Bb2 O-O 8.d3 h6 9.
Nc3 Bh7 10.Qd2 Nbd7 11.Rfc1 a5 12.cxd5 exd5 13.Nd4 Re8 14.Bh3 Bf8 15.Na4 
Bb4 16.Qd1 Qe7 17.Rc2 Ba3 18.Bxa3 Qxa3 19.Qc1 Qd6 20.Qf4 Qe5 21.Qxe5 Nxe5 
22.a3 Ra7 23.Rac1 Rd8 24.Nb2 Kf8 25.Nd1 Ke7 26.f4 Ned7 27.Rxc6 bxc6 28.
Nxc6+ Kd6 29.Nxa7 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "8"]
[White "Lombardy, William James"]
[Black "Evans, Larry Melvyn"]
[Result "1-0"]
[ECO "A15"]
[EventDate "1969.11.30"]
[PlyCount "167"]

1.c4 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d6 6.Nf3 e5 7.Nc3 c6 8.d3 Qe7 9.
O-O Nbd7 10.e3 a6 11.d4 Re8 12.Nd2 Rb8 13.a4 c5 14.dxc5 dxc5 15.a5 h5 16.
h3 b6 17.axb6 Nxb6 18.Qc2 Bb7 19.e4 Nfd7 20.Nd5 Qd6 21.Bc3 Na8 22.f4 Nc7 
23.f5 Bh6 24.Ba5 Na8 25.Qd3 Rf8 26.h4 Kg7 27.Bh3 Nf6 28.Nf3 Bxd5 29.cxd5 
Rb5 30.Nd2 Bxd2 31.Bxd2 Rfb8 32.Ra3 Nc7 33.fxg6 fxg6 34.Bg5 Nh7 35.Bd2 Nf6
36.Qe3 Ng8 37.Qg5 Rxb3 38.Bc3 Rxc3 39.Rxc3 Rf8 40.Rxf8 Kxf8 41.Qe3 Nb5 42.
Qxc5 Qxc5+ 43.Rxc5 Nf6 44.Bg2 Kf7 45.Bf3 Nd7 46.Rc8 Ke7 47.Kf2 Nd4 48.Bd1 
Nb5 49.Ke3 Nf6 50.Bc2 Ng4+ 51.Kd2 Nf6 52.Rc6 Nd6 53.Ke3 a5 54.Bd3 Ng4+ 55.
Kf3 Nh2+ 56.Kg2 Ng4 57.Ra6 Nf6 58.Kf3 Ng4 59.Rxa5 Nh2+ 60.Ke2 Ng4 61.Ra7+ 
Kf8 62.Rd7 Nf7 63.d6 Nf6 64.Re7 Nxd6 65.Rxe5 Kf7 66.Kf3 Nd7 67.Rg5 Kf6 68.
Kf4 Nf7 69.Rd5 Nde5 70.Bf1 Nc6 71.Bb5 Nce5 72.Be8 g5+ 73.hxg5+ Nxg5 74.
Bxh5 Ne6+ 75.Ke3 Nc4+ 76.Ke2 Ne5 77.Bf3 Nc7 78.Rd1 Ne6 79.Bg2 Ng5 80.Rd6+ 
Ke7 81.Rd5 Kf6 82.Ke3 Ne6 83.Bh3 Nc4+ 84.Kd3 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "8"]
[White "Mednis, Edmar John"]
[Black "Saidy, Anthony Fred"]
[Result "1-0"]
[ECO "B04"]
[EventDate "1969.11.30"]
[PlyCount "89"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nb6 5.Be2 Nc6 6.exd6 cxd6 7.d5 Ne5 8.O-O 
g6 9.Nc3 Bg7 10.Nd4 O-O 11.a4 a5 12.h3 Ned7 13.Re1 Nf6 14.Ndb5 Bd7 15.Be3 
Rc8 16.Bd4 Ne8 17.Bf1 Bxd4 18.Qxd4 Nf6 19.Be2 Rc5 20.Bf3 Nc4 21.b3 Nb6 22.
Na3 Re8 23.Re3 Kf8 24.Rae1 Rc8 25.Ne2 Qc7 26.Rc3 Qd8 27.Re3 Qc7 28.Rc3 Qd8
29.Rxc8 Bxc8 30.Nf4 Bd7 31.Re3 Na8 32.Nc4 b6 33.g4 h6 34.Rc3 Qb8 35.Be2 
Rc8 36.h4 Kg8 37.g5 hxg5 38.hxg5 Nh7 39.Rg3 Qc7 40.Bd3 Nf8 41.Rg2 Qc5 42.
Qa1 Be8 43.Rh2 Nh7 44.Bxg6 Nf6 45.gxf6 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "8"]
[White "Reshevsky, Samuel Herman"]
[Black "Byrne, Robert"]
[Result "1-0"]
[ECO "A04"]
[EventDate "1969.11.30"]
[PlyCount "61"]

1.g3 g6 2.Bg2 Bg7 3.e4 c5 4.d3 Nc6 5.Nf3 d6 6.O-O e5 7.c3 Nge7 8.Nbd2 O-O 
9.a4 h6 10.Rb1 Be6 11.b4 b6 12.b5 Na5 13.c4 f5 14.exf5 Nxf5 15.Bb2 Rb8 16.
Bc3 Nb7 17.Re1 Qd7 18.a5 g5 19.axb6 axb6 20.Ne4 g4 21.Nfd2 Nd4 22.Ra1 Nd8 
23.Ra6 d5 24.cxd5 Bxd5 25.Bxd4 exd4 26.Nc4 Bxc4 27.dxc4 Nf7 28.Nc3 Ne5 29.
Nd5 Nxc4 30.Ne7+ Kh8 31.Ng6+ 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "8"]
[White "Zuckerman, Bernard"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "B57"]
[EventDate "1969.11.30"]
[PlyCount "38"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6 7.Nb3 e6 8.Be3 
Qc7 9.f4 Be7 10.Bd3 a6 11.O-O b5 12.Qf3 b4 13.Na4 Rb8 14.Rac1 O-O 15.c4 
bxc3 16.Nxc3 Bb7 17.Nd5 Qd7 18.Nxe7+ Qxe7 19.Nd4 Rfc8 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "9"]
[White "Addison, William"]
[Black "Zuckerman, Bernard"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1969.11.30"]
[PlyCount "38"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nbd7 9.a3 cxd4 10.exd4 Bxc3 11.bxc3 Qc7 12.Qd3 e5 13.Nxe5 Nxe5 14.dxe5 
Qxe5 15.Qd4 Qxd4 16.cxd4 Be6 17.Be2 Rac8 18.Re1 Rfe8 19.Bg5 Bc4 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "9"]
[White "Benko, Pal"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "D40"]
[EventDate "1969.11.30"]
[PlyCount "75"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.e3 e6 5.d4 d5 6.a3 a6 7.dxc5 Bxc5 8.b4 Ba7 
9.Bb2 O-O 10.Qc2 Qe7 11.Be2 dxc4 12.Bxc4 b5 13.Bd3 Bb7 14.O-O Rac8 15.Qe2 
Ng4 16.h3 Nge5 17.Nxe5 Nxe5 18.Bxh7+ Kxh7 19.Qh5+ Kg8 20.Qxe5 f5 21.Rad1 
Bb8 22.Qd4 Bf3 23.gxf3 Rc4 24.Qxc4 bxc4 25.Ne2 Rd8 26.f4 Kf7 27.Rxd8 Qxd8 
28.Nd4 Qd5 29.Rc1 g5 30.fxg5 e5 31.Nc2 Qd2 32.Ne1 Qxb2 33.Rxc4 Qa1 34.Kf1 
e4 35.Rc5 Be5 36.Ke2 Bc3 37.Nc2 Qb2 38.Rxf5+ 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "9"]
[White "Bisguier, Arthur Bernard"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[ECO "E57"]
[EventDate "1969.11.30"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 c5 6.e3 cxd4 7.exd4 dxc4 8.Bxc4 
O-O 9.O-O Nc6 10.Re1 Na5 11.Bd3 b6 12.Ne5 Bb7 13.Re3 Nc6 14.Rh3 g6 15.Bh6 
Qxd4 16.Nxc6 Bxc6 17.Bxf8 Rxf8 18.Bb5 Qxd1+ 19.Rxd1 Bb7 20.Be2 e5 21.Rhd3 
Rb8 22.h3 Kf8 23.R3d2 a6 24.Bc4 b5 25.Bb3 Rc8 26.Nd5 Bxd5 27.Bxd5 Rc5 28.
Bb3 a5 29.Re1 a4 30.Bd1 Ne8 31.Rc2 f6 32.f4 Rxc2 33.Bxc2 Bc5+ 34.Kf1 Bd4 
35.Bd3 Nd6 36.fxe5 fxe5 37.b4 axb3 38.axb3 b4 39.Ke2 Kg7 40.Kf3 Kf6 41.Re2
Nb7 42.Ra2 Kg5 43.g3 Nc5 44.Bc4 h5 45.Ra8 Nd7 46.Rd8 Nf6 47.Bd3 Kh6 48.Rb8
Bc3 49.Rb6 Kg7 50.Rb7+ Kh6 51.Rb6 Kg7 52.g4 hxg4+ 53.hxg4 Kh6 54.Be4 Kg5 
55.Re6 Bd4 56.Bc2 Bc3 57.Kg3 Be1+ 58.Kh3 Bc3 59.Kg2 Nxg4 60.Bxg6 Kf4 61.
Bh5 Ne3+ 62.Kf2 Nf5 63.Rf6 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "9"]
[White "Byrne, Robert"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B38"]
[EventDate "1969.11.30"]
[PlyCount "129"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Bg7 5.c4 Nc6 6.Be3 d6 7.Be2 Nh6 8.Nc3 
O-O 9.O-O f5 10.exf5 gxf5 11.f4 Bd7 12.Qd2 Ng4 13.Bxg4 fxg4 14.Rad1 Nxd4 
15.Bxd4 Bxd4+ 16.Qxd4 Bc6 17.Nd5 Rf7 18.Ne3 h5 19.c5 Qc7 20.cxd6 Qxd6 21.
Qc4 Qh6 22.Nd5 Re8 23.Rde1 Bxd5 24.Qxd5 e6 25.Qb5 Ref8 26.Re5 h4 27.Rg5+ 
Rg7 28.Rxg7+ Qxg7 29.Qc4 Qf7 30.Re1 Qxf4 31.Qxe6+ Kg7 32.Qe7+ Rf7 33.Qxh4 
Qd4+ 34.Kh1 Qc4 35.h3 Rf1+ 36.Rxf1 Qxf1+ 37.Kh2 gxh3 38.Qxh3 Qb1 39.Qd7+ 
Kg6 40.Qd6+ Kg5 41.Qd2+ Kg4 42.Qe2+ Kg5 43.Qe7+ Kg4 44.Qg7+ Kf4 45.a3 b6 
46.g3+ Kf3 47.Qf6+ Kg4 48.Qh4+ Kf3 49.Qf4+ Ke2 50.Kg2 Qa2 51.Qe5+ Kd1 52.
g4 Qc4 53.Kg3 b5 54.g5 Qd3+ 55.Kf4 a5 56.Qc3 Qd6+ 57.Kf5 b4 58.axb4 axb4 
59.Qe5 Qd7+ 60.Ke4 Kc2 61.Qc5+ Kb1 62.Qf5 Qb7+ 63.Qd5 Qa7 64.Qf5 Qb7+ 65.
Qd5 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "9"]
[White "Evans, Larry Melvyn"]
[Black "Burger, Karl"]
[Result "1/2-1/2"]
[ECO "D71"]
[EventDate "1969.11.30"]
[PlyCount "134"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 6.Nc3 Bg7 7.Nh3 Bxh3 8.Bxh3 
Nc6 9.O-O O-O 10.e3 e6 11.b3 Rc8 12.Bb2 Ne4 13.Nxe4 dxe4 14.f3 Nb4 15.Qd2 
a5 16.Rac1 Rxc1 17.Bxc1 exf3 18.Rxf3 Qb6 19.a3 Nc6 20.Qd3 Rd8 21.Qc4 Ne7 
22.Bd2 Rc8 23.Qd3 Qd6 24.a4 Nc6 25.Rf1 Nb4 26.Qe4 Rc7 27.Bg2 f5 28.Qh4 e5 
29.Bxb4 axb4 30.dxe5 Bxe5 31.Kh1 Kg7 32.e4 Bf6 33.Qh3 fxe4 34.Bxe4 b6 35.
Qg2 Qd4 36.Bd5 Rd7 37.Bc4 Re7 38.h3 Qe4 39.Rf3 Qb1+ 40.Kh2 Bd4 41.h4 Qb2 
42.Qxb2 Bxb2 43.Rd3 Be5 44.Kg2 h5 45.Rd8 Bc7 46.Rg8+ Kf6 47.Kf3 Bd6 48.
Rf8+ Kg7 49.Rc8 Bc7 50.g4 hxg4+ 51.Kxg4 Re4+ 52.Kf3 Re7 53.Bd3 Kf7 54.Be4 
Kg7 55.Ke3 Rd7 56.Bc6 Re7+ 57.Kd3 Bg3 58.Kc4 Rc7 59.Rxc7+ Bxc7 60.Kxb4 Bg3
61.Kb5 Bf2 62.Be4 Kh6 63.Bf3 Bg1 64.b4 Bf2 65.Kc6 Be3 66.Bg4 Bf2 67.Kb5 
Kg7 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "9"]
[White "Saidy, Anthony Fred"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "A72"]
[EventDate "1969.11.30"]
[PlyCount "58"]

1.c4 g6 2.d4 Bg7 3.Nc3 c5 4.d5 d6 5.Nf3 Nf6 6.e4 O-O 7.Be2 e6 8.Bg5 h6 9.
Bh4 exd5 10.cxd5 g5 11.Bg3 Nh5 12.Nd2 Nxg3 13.hxg3 Nd7 14.g4 Ne5 15.f3 a6 
16.a4 Bd7 17.a5 b5 18.axb6 Qxb6 19.Ra2 c4 20.Nxc4 Nxc4 21.Bxc4 Rfc8 22.Bd3
Bxc3+ 23.bxc3 Rxc3 24.Qd2 Rac8 25.Ra1 Bb5 26.Bxb5 Rc2 27.Qd3 Qf2+ 28.Kd1 
R8c3 29.Qe2 Qd4+ 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "10"]
[White "Benko, Pal"]
[Black "Addison, William"]
[Result "1/2-1/2"]
[ECO "A11"]
[EventDate "1969.11.30"]
[PlyCount "84"]

1.c4 Nf6 2.Nf3 c6 3.g3 d5 4.Qb3 Qb6 5.Bg2 Qxb3 6.axb3 Bf5 7.d3 e6 8.Be3 a6
9.Nh4 Bg6 10.Nxg6 hxg6 11.h3 Nbd7 12.O-O Bd6 13.Nd2 O-O 14.Rfc1 Rfc8 15.
Rc2 Bb4 16.Nf3 Bd6 17.Ng5 Nh7 18.Nf3 Nhf6 19.Ng5 Nh7 20.Nxh7 Kxh7 21.cxd5 
exd5 22.Bd4 Be5 23.Bxe5 Nxe5 24.f4 Nd7 25.e4 dxe4 26.dxe4 Rd8 27.Rd1 Nb6 
28.Rcd2 Rxd2 29.Rxd2 Kg8 30.Rd4 Rb8 31.Kf2 Kf8 32.h4 Ke7 33.Bh3 a5 34.Bg4 
Ra8 35.Rd3 Rd8 36.Rxd8 Kxd8 37.Ke3 Nd7 38.Kd4 b6 39.Bxd7 Kxd7 40.g4 Kd6 
41.e5+ Ke6 42.Ke4 f5+ 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Saidy, Anthony Fred"]
[Result "1/2-1/2"]
[ECO "A20"]
[EventDate "1969.11.30"]
[PlyCount "80"]

1.c4 e5 2.g3 Nf6 3.Bg2 c6 4.Nf3 e4 5.Nd4 d5 6.cxd5 cxd5 7.O-O Nc6 8.Nxc6 
bxc6 9.d3 exd3 10.Qxd3 Be7 11.Qc2 Bb7 12.Nd2 c5 13.Nc4 O-O 14.Rd1 h6 15.
Bf4 Qd7 16.Rac1 Rac8 17.Ne3 d4 18.Qf5 Bxg2 19.Qxd7 Nxd7 20.Kxg2 Rfe8 21.
Nf5 Nb6 22.Kf1 Bf8 23.e3 dxe3 24.Bxe3 Re6 25.b3 Rf6 26.g4 h5 27.h3 hxg4 
28.hxg4 Rfc6 29.Rd2 g6 30.Nh6+ Bxh6 31.Bxh6 c4 32.bxc4 Nxc4 33.Rd7 Nd2+ 
34.Bxd2 Rxc1+ 35.Bxc1 Rxc1+ 36.Kg2 a5 37.Rd5 a4 38.Rd4 a3 39.Rd3 Rc4 40.
Rxa3 Rxg4+ 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "10"]
[White "Lombardy, William James"]
[Black "Burger, Karl"]
[Result "1-0"]
[ECO "D05"]
[EventDate "1969.11.30"]
[PlyCount "51"]

1.c4 e6 2.Nf3 Nf6 3.b3 Be7 4.Bb2 O-O 5.e3 d5 6.d4 b6 7.Bd3 Bb7 8.O-O Nbd7 
9.Nbd2 c5 10.Qe2 Ne4 11.Rac1 Rc8 12.Rfd1 Qc7 13.cxd5 exd5 14.dxc5 bxc5 15.
Nd4 Qe5 16.Nc6 Qe6 17.Nxe7+ Qxe7 18.Bxe4 dxe4 19.Nc4 Ba6 20.Bxg7 Kxg7 21.
Qg4+ Kh8 22.Rxd7 f5 23.Qxf5 Rxf5 24.Rxe7 Bxc4 25.Rxc4 Rd8 26.g4 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "10"]
[White "Mednis, Edmar John"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "B85"]
[EventDate "1969.11.30"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Be7 8.f4 O-O
9.Be3 Nc6 10.Qe1 Nxd4 11.Bxd4 b5 12.a3 Bb7 13.Bd3 Nd7 14.Qg3 f6 15.f5 e5 
16.Be3 Nc5 17.Qh4 Nxd3 18.cxd3 Rf7 19.Rf3 Kh8 20.Rh3 Qg8 21.Rd1 Bf8 22.Qh5
Rd8 23.d4 Rfd7 24.d5 Rc8 25.Nb1 Rc2 26.Nd2 Bc8 27.Nf3 g6 28.fxg6 Rg7 29.
Qxh7+ Rxh7 30.Rxh7+ Qxh7 31.gxh7 Rxb2 32.Rc1 Bg4 33.Nh4 Kxh7 34.h3 Re2 35.
Rc7+ Kg8 36.hxg4 Rxe3 37.Ng6 Rxe4 38.Rc8 Kf7 39.Nxf8 Rd4 40.g5 fxg5 41.Ne6
Rxd5 42.Nxg5+ 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "10"]
[White "Reshevsky, Samuel Herman"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1969.11.30"]
[PlyCount "35"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bg4 5.d3 Nbd7 6.Nbd2 e5 7.h3 Bh5 8.e4 
dxe4 9.dxe4 Bc5 10.c3 O-O 11.b4 Bb6 12.a4 a6 13.Ba3 Qc7 14.Qc2 Ba7 15.c4 
c5 16.b5 Rfe8 17.Bb2 Bb6 18.Nb3 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "10"]
[White "Zuckerman, Bernard"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[ECO "B83"]
[EventDate "1969.11.30"]
[PlyCount "31"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Be7 7.O-O O-O 8.f4 
Nc6 9.Be3 Bd7 10.Qe1 Nxd4 11.Bxd4 Bc6 12.Bd3 Nd7 13.Kh1 e5 14.fxe5 Nxe5 
15.Qg3 Bh4 16.Qh3 1/2-1/2

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "11"]
[White "Addison, William"]
[Black "Lombardy, William James"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1969.11.30"]
[PlyCount "161"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Re1 c6 
9.Bf1 Qe7 10.Rb1 Ne8 11.b3 Nc7 12.Ba3 Ne6 13.Ne2 exd4 14.Nfxd4 Nxd4 15.
Nxd4 a5 16.Qd2 Nc5 17.Rbd1 Re8 18.Nc2 a4 19.b4 Nxe4 20.Rxe4 Qxe4 21.Re1 
Qxe1 22.Nxe1 Bf5 23.Nf3 Be4 24.Ng5 Bf5 25.h3 h6 26.g4 Bb1 27.Nf3 d5 28.Bd3
Bxd3 29.Qxd3 Rad8 30.b5 Re6 31.bxc6 Rxc6 32.c5 d4 33.Qb5 d3 34.Qxb7 Rf6 
35.c6 d2 36.Nxd2 Rxd2 37.Bc5 Rc2 38.Qb8+ Kh7 39.Qb5 Rf4 40.c7 Bd4 41.Bxd4 
Rxd4 42.Qb7 Rdc4 43.c8=Q Rxc8 44.Qxf7+ Kh8 45.Qf6+ Kh7 46.Qf7+ Kh8 47.Qxg6
R8c6 48.Qe8+ Kg7 49.Qe7+ Kg8 50.Qd8+ Kg7 51.Qd4+ Rf6 52.h4 Kf7 53.Qxa4 
Rfc6 54.Qf4+ Ke7 55.Qe4+ Kd7 56.a4 R2c4 57.Qf5+ Kc7 58.a5 Kb7 59.Kg2 Ka6 
60.g5 hxg5 61.hxg5 R6c5 62.Qf6+ Kxa5 63.Kg3 Rc1 64.f4 Kb5 65.Qb2+ Kc6 66.
Kg4 Kd7 67.Kh5 Rc6 68.Qg7+ Ke8 69.Qg8+ Ke7 70.Qh7+ Kf8 71.Qe4 R1c4 72.Qd5 
Kg7 73.Qd7+ Kf8 74.f5 Rc8 75.f6 R4c7 76.Qd6+ Kg8 77.g6 Kh8 78.Kh6 Rc6 79.
g7+ Kg8 80.Qd5+ Re6 81.Qxe6# 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "11"]
[White "Bisguier, Arthur Bernard"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1969.11.30"]
[PlyCount "115"]

1.c4 Nf6 2.Nf3 d5 3.cxd5 Nxd5 4.Nc3 g6 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.
O-O c5 9.Ba3 Qc7 10.Rc1 Bg4 11.d4 Nd7 12.Bb5 Bh6 13.Rb1 Nf6 14.h3 Bc8 15.
Re1 b6 16.d5 Rd8 17.c4 Bd7 18.Bxd7 Nxd7 19.Bb2 e5 20.d6 Qc6 21.Nxe5 Nxe5 
22.Bxe5 Bf8 23.Qf3 f5 24.Qf4 Bxd6 25.exf5 Bxe5 26.Rxe5 Rd4 27.Qh6 Qf6 28.
Rbe1 Qf8 29.Qg5 Rd6 30.Re7 Rad8 31.Qh4 h6 32.fxg6 Rxg6 33.Qe4 Rg7 34.Rxg7+
Qxg7 35.Re3 Kh8 36.Rg3 Qf7 37.Rg6 Qf8 38.Qe6 Rd1+ 39.Kh2 Qf4+ 40.Rg3 Rd8 
41.Qg6 Qf8 42.f4 Rd4 43.f5 Rd6 44.Qg4 Rf6 45.Rf3 Qd6+ 46.Qg3 Kh7 47.h4 
Qxg3+ 48.Kxg3 Rd6 49.Kg4 Rd4+ 50.Kh5 Rxc4 51.Re3 Rf4 52.g4 b5 53.Re5 Ra4 
54.g5 hxg5 55.hxg5 Rxa2 56.Re7+ Kg8 57.Kg6 Kf8 58.f6 1-0

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "11"]
[White "Burger, Karl"]
[Black "Mednis, Edmar John"]
[Result "0-1"]
[ECO "B68"]
[EventDate "1969.11.30"]
[PlyCount "60"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Nf3 b5 11.e5 b4 12.exd6 bxc3 13.Qxc3 Bf8 14.f5 Qa5 15.Bxf6
gxf6 16.fxe6 fxe6 17.Qxf6 Rg8 18.Bc4 Bg7 19.Qh4 Rb8 20.Bb3 Qf5 21.Rhe1 Bf6
22.Qf2 Kd8 23.Kb1 a5 24.Rd3 a4 25.Bxa4 Rxb2+ 26.Kc1 Qf4+ 27.Ree3 Qxa4 28.
Ne5 Bxe5 29.Rb3 Rxb3 30.Rxe5 Qa3+ 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "11"]
[White "Byrne, Robert"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "B61"]
[EventDate "1969.11.30"]
[PlyCount "62"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 7.Qd2 Nxd4 8.
Qxd4 Qa5 9.Bd2 Qc7 10.Bc4 e6 11.Bb3 Be7 12.f4 O-O 13.Rf1 b5 14.O-O-O a5 
15.a4 b4 16.Ne2 Bc6 17.Ng3 Qd7 18.e5 dxe5 19.Qxe5 Bd6 20.Qd4 Bxa4 21.Be3 
Bxb3 22.Qxd6 Qxd6 23.Rxd6 Rfc8 24.Rd2 Rc6 25.Kb1 Bd5 26.b3 h5 27.Bd4 h4 
28.Bxf6 hxg3 29.Bd4 gxh2 30.Rh1 Be4 31.Rxh2 Rd8 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "11"]
[White "Evans, Larry Melvyn"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "E12"]
[EventDate "1969.11.30"]
[PlyCount "94"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.Bg5 Be7 7.e3 O-O 8.Rc1 Ne4 
9.Bxe7 Qxe7 10.cxd5 exd5 11.Nxe4 dxe4 12.Nd2 Rc8 13.Be2 Nd7 14.O-O c5 15.
dxc5 Nxc5 16.Nb3 Rd8 17.Qc2 Nd3 18.Rcd1 Rac8 19.Qb1 Rd6 20.Nd4 Rxd4 21.
exd4 Nf4 22.Rfe1 Qg5 23.g3 e3 24.f3 Nxe2+ 25.Rxe2 Bxf3 26.Rc1 Re8 27.Ree1 
Bb7 28.Rc7 Qd5 29.Rxb7 Qxb7 30.Qd3 Qe4 31.Qxe4 Rxe4 32.Kg2 f5 33.Kf3 Kf7 
34.Rxe3 Rxe3+ 35.Kxe3 g5 36.h4 h6 37.d5 Ke7 38.Kd4 Kd6 39.hxg5 hxg5 40.a4 
a5 41.b3 g4 42.Ke3 Kxd5 43.Kd3 Kc5 44.Ke3 Kb4 45.Kf4 Kxb3 46.Kxf5 Kxa4 47.
Kxg4 Kb4 0-1

[Event "20th USA-Ch"]
[Site "New York USA"]
[Date "1969.??.??"]
[Round "11"]
[White "Saidy, Anthony Fred"]
[Black "Zuckerman, Bernard"]
[Result "1/2-1/2"]
[ECO "A72"]
[EventDate "1969.11.30"]
[PlyCount "94"]

1.c4 g6 2.d4 Bg7 3.Nc3 Nf6 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 e6 8.Nf3 h6 9.
Bh4 exd5 10.cxd5 g5 11.Bg3 Nh5 12.Nd2 Nxg3 13.hxg3 Nd7 14.Nc4 Qe7 15.Qc2 
Ne5 16.Ne3 Re8 17.Kf1 a6 18.a4 Rb8 19.g4 Qf6 20.Nf5 Bxf5 21.gxf5 c4 22.Nd1
b5 23.axb5 axb5 24.Rb1 Nd7 25.f3 Qd4 26.Nf2 Nf6 27.g3 Rec8 28.Kg2 b4 29.
Rhc1 g4 30.Bxc4 gxf3+ 31.Kxf3 Nd7 32.b3 Ne5+ 33.Kg2 Qe3 34.Qd1 Ra8 35.Rc2 
Ra3 36.Be2 Rc3 37.Rxc3 bxc3 38.Qc2 Nd7 39.Nd1 Qd4 40.Rc1 Nc5 41.Qxc3 Qxe4+
42.Qf3 Qe5 43.Rc3 Rxb3 44.Re3 Rxe3 45.Nxe3 Qe4 46.Qxe4 Nxe4 47.Nc4 Bf8 
1/2-1/2

