[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Benko, Pal"]
[Black "De Fotis, Gregory"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[ECO "A57"]
[EventDate "1972.04.23"]
[PlyCount "35"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.Nf3 O-O 8.bxa6 d6 
9.e4 Qa5 10.Bd2 Bxa6 11.Bxa6 Qxa6 12.Qe2 Nfd7 13.a4 Qxe2+ 14.Kxe2 Na6 15.
Rab1 Rfb8 16.Nb5 Nf6 17.Ke3 Ng4+ 18.Ke2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Byrne, Robert"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2440"]
[ECO "B68"]
[EventDate "1972.04.23"]
[PlyCount "119"]

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.Be2 Qc7 11.Bf3 O-O-O 12.Nb3 Ne8 13.Nd5 exd5 14.exd5 Bxg5 
15.dxc6 Bxc6 16.Bxc6 Qxc6 17.fxg5 Rd7 18.Rhe1 Rc7 19.Kb1 Kb8 20.Nd4 Qd7 
21.Re2 h6 22.Rde1 hxg5 23.Qxg5 g6 24.b3 Ka8 25.h3 Qc8 26.Re7 Rf8 27.Qa5 
Rd7 28.R7e3 Ng7 29.Rc3 Qd8 30.Qxd8+ Rfxd8 31.Rf3 Rh8 32.Ref1 f5 33.Rg3 Rh6
34.Re1 Nh5 35.Rf3 Rh8 36.Re6 Rg8 37.g4 fxg4 38.hxg4 Ng7 39.Rxg6 Rh8 40.Kb2
Kb8 41.Kc3 Ne8 42.Kd3 Kc8 43.g5 Re7 44.Re6 Kd7 45.Rxe7+ Kxe7 46.g6 Nf6 47.
Re3+ Kd7 48.g7 Rb8 49.Nf5 Ng8 50.Ke4 Rc8 51.Kf4 Rxc2 52.Re7+ Nxe7 53.Nxe7 
Rg2 54.g8=Q Rxg8 55.Nxg8 Kc6 56.Ke4 Kc5 57.a3 a5 58.Kd3 d5 59.Nf6 b5 60.
Ng4 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Feuerstein, Arthur William"]
[Black "Evans, Larry Melvyn"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "E60"]
[EventDate "1972.04.23"]
[PlyCount "66"]

1.Nf3 Nf6 2.g3 g6 3.d4 Bg7 4.Bg2 O-O 5.O-O d6 6.c4 Nc6 7.d5 Na5 8.Nfd2 c5 
9.a3 b6 10.b4 Nd7 11.Ra2 Nb7 12.Bb2 Bxb2 13.Rxb2 cxb4 14.axb4 a5 15.Nc3 
axb4 16.Rxb4 Nbc5 17.Qc2 Ba6 18.Rfb1 Qc7 19.Nf3 Rac8 20.h4 Nb7 21.Nd4 Bxc4
22.Nc6 Ne5 23.f4 Nxc6 24.dxc6 Na5 25.Rxc4 Nxc4 26.Nd5 Qa7 27.c7 Rxc7 28.
Nxc7 Qxc7 29.Kh2 Qc5 30.Qa4 d5 31.e4 dxe4 32.Rb5 Qc6 33.Qb4 Ra8 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Horowitz, Israel Albert"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "B92"]
[EventDate "1972.04.23"]
[PlyCount "48"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.f4 Qc7 10.Qe1 b5 11.Qg3 Kh8 12.fxe5 dxe5 13.Bg5 Nbd7 14.Qh4 Bb7 15.
Bd3 Rae8 16.Nd5 Bxd5 17.exd5 e4 18.Rad1 exd3 19.Rxd3 Qxc2 20.Rc3 Qg6 21.
Rg3 Qe4 22.Qxe4 Nxe4 23.Bxe7 Nxg3 24.Re1 Nf5 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Kaufman, Larry"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[ECO "B36"]
[EventDate "1972.04.23"]
[PlyCount "53"]

1.c4 g6 2.e4 c5 3.Nf3 Nf6 4.Nc3 Nc6 5.d4 cxd4 6.Nxd4 Nxd4 7.Qxd4 d6 8.Be2 
Bg7 9.Bg5 O-O 10.Qd2 Bd7 11.O-O Bc6 12.f3 a6 13.Kh1 Re8 14.Rac1 Rb8 15.b3 
Qa5 16.Rfd1 Kf8 17.Nd5 Qxd2 18.Rxd2 Ng8 19.c5 dxc5 20.Rxc5 Red8 21.Bf4 Bh6
22.Rdc2 Bxf4 23.Nxf4 Bb5 24.Kg1 Bxe2 25.Nxe2 Rd1+ 26.Kf2 Rbd8 27.Rc8 
1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Popovych, Orest"]
[Black "Lombardy, William James"]
[Result "0-1"]
[BlackElo "2520"]
[ECO "B47"]
[EventDate "1972.04.23"]
[PlyCount "104"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Nc6 6.Be2 Qc7 7.f4 b5 8.Nxc6 
Qxc6 9.Bf3 Bb7 10.e5 Qc7 11.O-O Nh6 12.Be3 Nf5 13.Bf2 d5 14.exd6 Nxd6 15.
Qe2 Bxf3 16.Qxf3 Rc8 17.Rfe1 Be7 18.Re2 O-O 19.a4 b4 20.Nd1 Rfd8 21.c3 Nc4
22.cxb4 Bxb4 23.Qg4 f5 24.Qg3 Nd2 25.Rxe6 Qc4 26.Re1 Ne4 27.b3 Qc6 28.Qf3 
Bxe1 29.Bxe1 Qc2 30.Ne3 Qxb3 31.Nxf5 Qe6 32.Qg4 Qb6+ 33.Kh1 Qf6 34.Rb1 h5 
35.Qxh5 Rc5 36.g4 g6 37.Nh6+ Kf8 38.Qh4 Qxh4 39.Bxh4 Rd2 40.g5 Rcc2 41.Ng4
Nc3 42.Rf1 Rd1 43.Rxd1 Nxd1 44.Bg3 Re2 45.h4 Ne3 46.Nxe3 Rxe3 47.Kg2 Ra3 
48.f5 Rxa4 49.Bd6+ Kf7 50.Kh3 gxf5 51.h5 Rg4 52.g6+ Kg7 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.23"]
[Round "1"]
[White "Reshevsky, Samuel Herman"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2440"]
[ECO "A09"]
[EventDate "1972.04.23"]
[PlyCount "79"]

1.Nf3 d5 2.g3 Nc6 3.c4 dxc4 4.Qa4 g6 5.Bg2 Bg7 6.Nc3 Nh6 7.Qxc4 Nf5 8.O-O 
O-O 9.d3 h6 10.Bd2 e5 11.Rac1 Be6 12.Qa4 Nd6 13.Be3 Qd7 14.Rfd1 Nf5 15.Bd2
Nd6 16.Be3 Nf5 17.Bc5 Rfd8 18.Nd2 Nfe7 19.Bxe7 Nxe7 20.Bxb7 Rab8 21.Bf3 
Rxb2 22.Qxa7 Nf5 23.e3 Bf8 24.Nc4 Bxc4 25.dxc4 Qc8 26.c5 h5 27.Qa3 Rb8 28.
Rxd8 Qxd8 29.Ne4 Ng7 30.Qa6 Ne6 31.Rd1 Qc8 32.Qc6 Bg7 33.a4 Rb2 34.a5 Ra2 
35.Nd6 Qd8 36.Nxf7 Qf6 37.Ng5 Nxg5 38.Bd5+ Kh7 39.Qxf6 Nh3+ 40.Kg2 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Bisguier, Arthur Bernard"]
[Black "Kaufman, Larry"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[ECO "D93"]
[EventDate "1972.04.23"]
[PlyCount "41"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.Rc1 c6 7.e3 Bg4 8.h3 Bxf3 
9.Qxf3 Qa5 10.Bd3 dxc4 11.Bxc4 Nbd7 12.O-O e5 13.Bh2 exd4 14.exd4 Nb6 15.
Bb3 Rad8 16.Rfe1 Nfd5 17.Re4 Qb4 18.Be5 a5 19.Re2 Bxe5 20.dxe5 Qf4 21.Re3 
1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Evans, Larry Melvyn"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2550"]
[ECO "E81"]
[EventDate "1972.04.23"]
[PlyCount "47"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.f3 O-O 6.Nge2 e5 7.Bg5 exd4 8.Nxd4 
Nc6 9.Nc2 h6 10.Be3 Be6 11.Qd2 Ne5 12.b3 a5 13.Be2 a4 14.O-O Kh7 15.Rad1 
axb3 16.axb3 Nc6 17.Nd4 Nd7 18.f4 Nc5 19.Nxc6 bxc6 20.Bxc5 dxc5 21.Qxd8 
Rfxd8 22.Rxd8 Rxd8 23.e5 f6 24.Ne4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Horowitz, Israel Albert"]
[Black "Popovych, Orest"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1972.04.23"]
[PlyCount "73"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.f4 Qc7
9.O-O Nbd7 10.Qe1 Be7 11.Qg3 b5 12.f5 Bc4 13.Bd3 b4 14.Nd1 d5 15.exd5 Bxd5
16.Ne3 Bb7 17.Re1 Nh5 18.Qf2 Nf4 19.Bf1 Nf6 20.Nc4 Be4 21.Nxe5 Qxe5 22.
Bxf4 Qxf5 23.Nd4 Qg6 24.Nc6 Nd5 25.Nxe7 Nxe7 26.Qc5 f5 27.Bd6 Rc8 28.Qxb4 
Nd5 29.Qb7 Rd8 30.Bc5 Rd7 31.Qb8+ Rd8 32.Qe5+ Kf7 33.Rxe4 fxe4 34.Bc4 Qc6 
35.Rf1+ Kg6 36.Qxe4+ Kh6 37.Be3+ 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Kavalek, Lubomir"]
[Black "De Fotis, Gregory"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[ECO "A10"]
[EventDate "1972.04.23"]
[PlyCount "54"]

1.c4 g6 2.e4 e5 3.Nf3 Nc6 4.d4 d6 5.d5 Nb8 6.Nc3 f6 7.Be2 c5 8.dxc6 bxc6 
9.c5 dxc5 10.Qc2 Be6 11.O-O Nd7 12.Na4 Ne7 13.Be3 Nc8 14.Nxc5 Nxc5 15.Bxc5
Bxc5 16.Qxc5 Qb6 17.Qc2 Nd6 18.Rfd1 Ke7 19.b3 Rac8 20.Rac1 Rhd8 21.h3 Qb4 
22.Bd3 Nb5 23.Ne1 Nd4 24.Qb2 c5 25.Rd2 Rb8 26.Rc3 Qa5 27.Qc1 Rbc8 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Lombardy, William James"]
[Black "Feuerstein, Arthur William"]
[Result "1-0"]
[WhiteElo "2520"]
[ECO "B84"]
[EventDate "1972.04.23"]
[PlyCount "71"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.Be2 Bd7 8.O-O 
Nc6 9.f4 Qc7 10.Kh1 Be7 11.Qe1 h5 12.Bf3 Ng4 13.Bg1 g5 14.Nxc6 bxc6 15.Qd2
Qa5 16.e5 dxe5 17.Rad1 Nf6 18.fxg5 Nd5 19.Nxd5 Qxd2 20.Nc7+ Kd8 21.Nxa8 
Qxc2 22.Nb6 e4 23.Rxd7+ Ke8 24.Bd1 Qxb2 25.Bb3 e3 26.Bxe3 Qe2 27.Rf3 Qe1+ 
28.Bg1 Bc5 29.Rd1 Qe5 30.Nd7 Qxg5 31.Nf6+ Kf8 32.Bxc5+ Kg7 33.Rg3 Qxg3 34.
hxg3 Kxf6 35.Bd4+ e5 36.Rf1+ 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Martz, William"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[BlackElo "2510"]
[ECO "E77"]
[EventDate "1972.04.23"]
[PlyCount "53"]

1.c4 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.f4 O-O 6.Nf3 c5 7.d5 e6 8.Be2 exd5 9.
exd5 Re8 10.O-O Ng4 11.Re1 Ne3 12.Qb3 Nf5 13.Bd2 Nd7 14.Bd3 Rxe1+ 15.Rxe1 
Nf6 16.Nd1 Rb8 17.a4 Bd7 18.Nf2 h5 19.Bc3 Qf8 20.Qc2 Re8 21.Rxe8 Qxe8 22.
b3 Qe3 23.Bd2 Qe7 24.Qc1 Ng4 25.Qe1 Kf8 26.Qxe7+ Kxe7 27.h3 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.24"]
[Round "2"]
[White "Mednis, Edmar John"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2520"]
[ECO "B81"]
[EventDate "1972.04.23"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.g5 hxg5 8.Bxg5 
Qb6 9.Nb3 a6 10.Qe2 Qc7 11.O-O-O Nc6 12.f4 Bd7 13.Bg2 Rc8 14.Rde1 b5 15.e5
dxe5 16.fxe5 b4 17.Nb5 axb5 18.exf6 gxf6 19.Be3 Na5 20.Kb1 Nxb3 21.axb3 
Rxh2 22.Rxh2 Qxh2 23.Rd1 Bd6 24.Bg1 Qe5 25.Qd2 Ke7 26.Bd4 Qg3 27.Bf2 Qe5 
28.Bd4 Qg3 29.Bf2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "Benko, Pal"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[ECO "B02"]
[EventDate "1972.04.23"]
[PlyCount "33"]

1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.g3 Nxc3 5.bxc3 Qd5 6.Nf3 Qe4+ 7.Be2 Bh3 8.
Rg1 Bg4 9.d3 Qc6 10.c4 e6 11.Rb1 Be7 12.Ne5 Bxe2 13.Qxe2 Qa6 14.Kf1 Nc6 
15.Nxc6 Qxc6 16.Bb2 O-O 17.Qg4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "Byrne, Robert"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2440"]
[ECO "C42"]
[EventDate "1972.04.23"]
[PlyCount "54"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Qxe2+ 8.
Bxe2 Be7 9.Nc3 h6 10.Bf4 Bf5 11.Nd4 Bh7 12.Bf3 c6 13.g4 Kd7 14.h4 Bg6 15.
O-O-O h5 16.g5 Ng4 17.Bxg4+ hxg4 18.Rdg1 c5 19.Nde2 Bf5 20.Nd5 Nc6 21.Ne3 
Be6 22.Nxg4 Rh5 23.Ne3 Rah8 24.Ng2 Bd5 25.Be3 Bxg2 26.Rxg2 Rxh4 27.Rxh4 
Rxh4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "De Fotis, Gregory"]
[Black "Mednis, Edmar John"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "E72"]
[EventDate "1972.04.23"]
[PlyCount "84"]

1.g3 g6 2.Bg2 Bg7 3.d4 Nf6 4.c4 d6 5.Nc3 O-O 6.e4 e5 7.d5 a6 8.Nge2 c6 9.
O-O cxd5 10.exd5 Nbd7 11.h3 Ne8 12.Be3 f5 13.f4 Qe7 14.Qd2 Nc5 15.fxe5 
Bxe5 16.Bh6 Ng7 17.Rae1 Bd7 18.Bg5 Qe8 19.b4 Ne4 20.Nxe4 fxe4 21.Rxf8+ 
Qxf8 22.g4 b5 23.Rc1 Rc8 24.cxb5 axb5 25.Bxe4 Rxc1+ 26.Qxc1 h5 27.Nf4 hxg4
28.Nxg6 Bd4+ 29.Kh1 Qf2 30.hxg4 Bxg4 31.Ne7+ Kf7 32.Bg2 Nh5 33.Qb1 Ng3+ 
34.Kh2 Nf5 35.Nxf5 Be5+ 36.Kh1 Bxf5 37.Qf1 Qc2 38.Qxb5 Kg6 39.Be3 Qd1+ 40.
Qf1 Qh5+ 41.Kg1 Qh2+ 42.Kf2 Be4 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "Feuerstein, Arthur William"]
[Black "Horowitz, Israel Albert"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1972.04.23"]
[PlyCount "49"]

1.c4 Nf6 2.Nc3 e6 3.d4 d5 4.cxd5 exd5 5.Bg5 c6 6.Qc2 Nbd7 7.e3 Bd6 8.Bd3 
h6 9.Bh4 O-O 10.Nge2 Re8 11.h3 b6 12.g4 Bb7 13.O-O-O c5 14.Bb5 g5 15.Bg3 
Bf8 16.h4 a6 17.Bxd7 Qxd7 18.hxg5 hxg5 19.Be5 Bg7 20.f3 cxd4 21.exd4 Rac8 
22.Ng3 Ne4 23.Bxg7 f5 24.fxe4 dxe4 25.Be5 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "Kaufman, Larry"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[BlackElo "2550"]
[ECO "E61"]
[EventDate "1972.04.23"]
[PlyCount "111"]

1.c4 c5 2.Nf3 Nc6 3.Nc3 g6 4.e3 Bg7 5.d4 Nf6 6.d5 Na5 7.Be2 d6 8.O-O O-O 
9.Nd2 a6 10.a3 b6 11.b4 Nb7 12.Bb2 e5 13.dxe6 Bxe6 14.Qb1 Rc8 15.Rc1 Qe7 
16.Nce4 Nd7 17.Bxg7 Kxg7 18.Qb2+ Kg8 19.Nc3 f5 20.Bf1 Qf7 21.Ne2 Qg7 22.
Qxg7+ Kxg7 23.Nf4 Bf7 24.Rab1 cxb4 25.axb4 a5 26.bxa5 Nxa5 27.Nd5 Bxd5 28.
cxd5 Rxc1 29.Rxc1 Nf6 30.Rb1 Rb8 31.Rb5 Ne8 32.Rb1 Nf6 33.Rb5 Nd7 34.g3 
Rc8 35.Nb3 Nxb3 36.Rxb3 Rc1 37.Kg2 Rd1 38.Ba6 Rxd5 39.Bc8 Ne5 40.Rxb6 Rd2 
41.Kf1 Ng4 42.Ke1 Rc2 43.Bb7 Nxf2 44.Rxd6 Ng4 45.h3 Nxe3 46.Re6 Rc7 47.
Rxe3 Rxb7 48.Kf1 Kf6 49.Re2 g5 50.Ra2 Rb6 51.Ra8 Rb2 52.Kg1 Ke5 53.Re8+ 
Kd4 54.Re7 h6 55.Re6 h5 56.Rh6 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "Popovych, Orest"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "B82"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 d6 6.Bd3 Nd7 7.f4 Ngf6 8.O-O b5
9.Nf3 Bb7 10.Qe2 Be7 11.Kh1 Nc5 12.b4 Nxd3 13.cxd3 d5 14.e5 Bxb4 15.Nxb5 
axb5 16.exf6 Qxf6 17.Rb1 Bc3 18.Rxb5 Qe7 19.Be3 d4 20.Bxd4 Bxd4 21.Nxd4 
O-O 22.f5 Qd7 23.Qg4 e5 24.Rxb7 Qxb7 25.f6 g6 26.Qg5 Rxa2 27.Nf3 Qc6 28.
Nh4 Rfa8 29.Qxe5 Rf2 30.Kg1 Rxf1+ 31.Kxf1 Re8 32.Qb2 Qd6 33.Qc3 Qxh2 34.
Nf3 Qd6 35.Nd2 Qf4+ 36.Nf3 Qd6 37.Nd2 Qf4+ 38.Nf3 h6 39.Qc6 Re6 40.Qc8+ 
Kh7 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.26"]
[Round "3"]
[White "Reshevsky, Samuel Herman"]
[Black "Lombardy, William James"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2520"]
[ECO "A30"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.b3 O-O 7.Bb2 c5 8.d4 cxd4 
9.Qxd4 Nc6 10.Qf4 Qb8 11.Nc3 Qxf4 12.gxf4 Rfd8 13.Rfd1 Rab8 14.Ne5 a6 15.
Rd2 Na7 16.Rad1 Bxg2 17.Kxg2 Rb7 18.Kf3 Kf8 19.e4 b5 20.cxb5 axb5 21.Nd3 
d5 22.e5 Nd7 23.Ne2 b4 24.f5 exf5 25.Nd4 g6 26.Rc2 Nb5 27.Nc6 Rc8 28.Ndxb4
Bxb4 29.Nxb4 Rxc2 30.Nxc2 Nc7 31.Ne3 Ra7 32.a4 Rb7 33.b4 Nc5 34.a5 f4 35.
Nxd5 Nxd5 36.Rxd5 Rxb4 37.Bc3 Rc4 38.Rxc5 Ra4 39.Rc7 g5 40.Kg4 h6 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Bisguier, Arthur Bernard"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2520"]
[ECO "B50"]
[EventDate "1972.04.23"]
[PlyCount "32"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.g3 Bg4 5.Bg2 Nc6 6.h3 Bxf3 7.Qxf3 g6 8.O-O Bg7
9.d3 Nf6 10.Be3 O-O 11.Qd1 Rb8 12.Ne2 Nd7 13.c3 b5 14.d4 Qc7 15.dxc5 dxc5 
16.Qc2 c4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Evans, Larry Melvyn"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2510"]
[ECO "E80"]
[EventDate "1972.04.23"]
[PlyCount "46"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.f3 c6 6.Bg5 a6 7.Qd2 b5 8.O-O-O h6 9.
Be3 Qa5 10.Kb1 Nbd7 11.h4 Nb6 12.c5 b4 13.cxb6 bxc3 14.Qxc3 Qxc3 15.bxc3 
Rb8 16.Bd3 Rxb6+ 17.Kc2 O-O 18.Ne2 Rb8 19.Rb1 Be6 20.Rxb8 Rxb8 21.Rb1 Nd7 
22.c4 Rxb1 23.Kxb1 c5 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Horowitz, Israel Albert"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "B70"]
[EventDate "1972.04.23"]
[PlyCount "70"]

1.e4 c5 2.Nf3 d6 3.g3 Nf6 4.Nc3 Nc6 5.d4 cxd4 6.Nxd4 g6 7.Bg2 Bd7 8.O-O 
Bg7 9.Nce2 Qb6 10.Nb3 O-O 11.Be3 Qa6 12.h3 Ne5 13.Bd4 Nc4 14.Re1 Bc6 15.
Nec1 e5 16.Bc3 d5 17.Nd3 Nxe4 18.Bxe4 dxe4 19.Ndc5 Qb6 20.Nxe4 Rad8 21.Qe2
Bd5 22.Rad1 Qc6 23.Na5 Nxa5 24.Bxa5 b6 25.Bb4 Rfe8 26.Qe3 f5 27.Nd6 Re6 
28.Rd2 a5 29.Ba3 Rexd6 30.Bxd6 Rxd6 31.Red1 Bh1 32.f3 Rxd2 33.Qxd2 Bxf3 
34.Qd8+ Bf8 35.Rd3 Qe4 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Kavalek, Lubomir"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2440"]
[ECO "B09"]
[EventDate "1972.04.23"]
[PlyCount "78"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Bc4 c6 6.Bb3 O-O 7.Nf3 Na6 8.e5 Ne8 
9.Be3 Nec7 10.O-O dxe5 11.fxe5 Be6 12.Qd2 Bxb3 13.axb3 Ne6 14.Rad1 Nac7 
15.Bh6 f6 16.Bxg7 Nxg7 17.Ne4 Nce6 18.Rfe1 Qb6 19.Qc3 Rad8 20.Nc5 f5 21.
Qc4 Rd5 22.Na4 Qb5 23.Nc3 Qxc4 24.bxc4 Rdd8 25.d5 cxd5 26.cxd5 Nc5 27.e6 
Rc8 28.Ne5 f4 29.Nb5 a6 30.Nd4 Na4 31.d6 f3 32.gxf3 exd6 33.Nd7 Rf4 34.Re4
Rxe4 35.fxe4 Nxb2 36.Rf1 Nxe6 37.Nxe6 Nc4 38.Ng5 Ne3 39.Rf7 Ng4 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Lombardy, William James"]
[Black "Kaufman, Larry"]
[Result "1-0"]
[WhiteElo "2520"]
[ECO "B26"]
[EventDate "1972.04.23"]
[PlyCount "89"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Be3 e5 7.Qd2 Nge7 8.h4 h5 9.
Nh3 Nd4 10.f3 Bxh3 11.Rxh3 Qa5 12.Rh1 O-O-O 13.Rf1 Kb8 14.Kf2 Rhf8 15.Kg1 
Ne6 16.Rab1 f5 17.b4 cxb4 18.Nd5 Nxd5 19.exd5 Nc5 20.Rxb4 Qxa2 21.Rfb1 Rd7
22.f4 exf4 23.Bxf4 Ka8 24.Kh2 Rc8 25.Qe2 Bf6 26.Kh3 a5 27.Rb5 a4 28.Ra5+ 
Na6 29.Rb6 Bd8 30.Qe6 Bxb6 31.Qxd7 Qxc2 32.Rxa4 Rd8 33.Qb5 Qc5 34.Qb3 Ba7 
35.d4 Qb6 36.Qc4 Qc7 37.Qb3 Qb6 38.Qa3 Rd7 39.Qe3 Qd8 40.Qe6 Rg7 41.Bxd6 
Qd7 42.Rxa6 bxa6 43.Be5 Rf7 44.d6+ Kb8 45.Qxf7 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Martz, William"]
[Black "De Fotis, Gregory"]
[Result "1/2-1/2"]
[ECO "A01"]
[EventDate "1972.04.23"]
[PlyCount "35"]

1.c4 f5 2.b3 e5 3.Bb2 Nc6 4.e3 Nf6 5.Nf3 d6 6.d4 e4 7.d5 Nb8 8.Nd4 c5 9.
dxc6 bxc6 10.Be2 a5 11.Nc3 g6 12.Qd2 Bg7 13.O-O O-O 14.f4 Qc7 15.Rfd1 Na6 
16.Na4 Nc5 17.Nxc5 dxc5 18.Nc2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.27"]
[Round "4"]
[White "Popovych, Orest"]
[Black "Feuerstein, Arthur William"]
[Result "1/2-1/2"]
[ECO "B43"]
[EventDate "1972.04.23"]
[PlyCount "47"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Bb7 7.O-O Qc7 8.Re1 
Nf6 9.e5 Nd5 10.Ne4 Nc6 11.Nd6+ Bxd6 12.exd6 Qb6 13.Nf5 g6 14.Ng3 Na5 15.
a4 b4 16.Be4 Qxd6 17.c4 bxc3 18.bxc3 Qc6 19.Bg5 Qc5 20.Qf3 f6 21.Be3 Qc4 
22.Rab1 f5 23.Bd4 O-O 24.Bc2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "Benko, Pal"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2550"]
[ECO "A04"]
[EventDate "1972.04.23"]
[PlyCount "33"]

1.Nf3 c5 2.g3 g6 3.c3 Bg7 4.d4 cxd4 5.cxd4 d5 6.Bg2 Nc6 7.Nc3 Nh6 8.O-O 
Nf5 9.e3 e6 10.b3 h5 11.h4 O-O 12.Bb2 b6 13.Rc1 Ba6 14.Re1 Rc8 15.Qd2 Re8 
16.Ba3 Qd7 17.Rc2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "Byrne, Robert"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2520"]
[ECO "B81"]
[EventDate "1972.04.23"]
[PlyCount "68"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.h3 a6 8.Bg2 Bd7 
9.Be3 Nc6 10.Qe2 Rc8 11.f4 Be7 12.O-O Nxd4 13.Bxd4 Bc6 14.g5 hxg5 15.fxg5 
Nd7 16.Qf3 O-O 17.h4 Ne5 18.Qg3 Qa5 19.Bh3 Be8 20.Nd5 exd5 21.Bxc8 dxe4 
22.Bxb7 Qb4 23.Bxe5 dxe5 24.Qb3 Qd4+ 25.Kg2 e3 26.Rf3 e2 27.Re1 Qxh4 28.
Rxe2 Bxg5 29.Rxe5 Bf4 30.Re4 Qh2+ 31.Kf1 Qh1+ 32.Kf2 Qh2+ 33.Kf1 Qh1+ 34.
Kf2 Qh2+ 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "De Fotis, Gregory"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[BlackElo "2440"]
[ECO "A20"]
[EventDate "1972.04.23"]
[PlyCount "61"]

1.g3 e5 2.c4 Nf6 3.Bg2 c6 4.Nf3 e4 5.Nd4 d5 6.Nc3 Bc5 7.Nc2 dxc4 8.O-O Bf5
9.Ne3 Bxe3 10.fxe3 Bg6 11.Qc2 Qe7 12.b3 cxb3 13.Qxb3 O-O 14.Rxf6 gxf6 15.
Ba3 c5 16.Nd5 Qd6 17.Rf1 Nd7 18.Bh3 f5 19.Bb2 Ne5 20.Bxf5 Kg7 21.Bh3 f5 
22.Qxb7+ Kh6 23.Bc3 Rab8 24.Qc7 Qxc7 25.Nxc7 Nd7 26.Ne6 Rg8 27.Rf4 Rb6 28.
Rh4+ Bh5 29.Bxf5 Rg6 30.g4 Nf6 31.Bxf6 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "Feuerstein, Arthur William"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[BlackElo "2550"]
[ECO "A67"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7
9.Bd3 O-O 10.Nf3 Nf6 11.O-O Bg4 12.h3 Bxf3 13.Qxf3 Nbd7 14.a4 Qa5 15.Kh1 
a6 16.Ra3 Rfe8 17.Bd2 Qb4 18.a5 c4 19.Bb1 Qxb2 20.Bc1 Qb4 21.Ra4 Qc5 22.
Ba2 Qc7 23.Be3 b5 24.axb6 Nxb6 25.Bxb6 Qxb6 26.Rxc4 Rac8 27.Rxc8 Rxc8 28.
e5 Qb2 29.Rb1 Qxc3 30.Qxc3 Rxc3 31.Rb8+ Bf8 32.exf6 h5 33.Ra8 Ra3 34.Bc4 
Ra4 35.Rc8 h4 36.Kg1 a5 37.Kf2 Rb4 38.Ke3 a4 39.Be2 a3 40.Ra8 Rb3+ 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "Kaufman, Larry"]
[Black "Horowitz, Israel Albert"]
[Result "1-0"]
[ECO "C69"]
[EventDate "1972.04.23"]
[PlyCount "145"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 fxe5 9.Rd3 Bd6 10.Nbd2 b5 11.c4 Ne7 12.h3 Be6 13.c5 Bxc5 14.Nxe5 O-O 
15.Ndf3 Rfd8 16.Bg5 Re8 17.Bxe7 Rxe7 18.Nxc6 Ree8 19.b3 h6 20.Rad1 Kf7 21.
Nd8+ Kf6 22.e5+ Ke7 23.Nxe6 Kxe6 24.Kf1 Bb6 25.Ke2 a5 26.a4 bxa4 27.bxa4 
Rab8 28.Rd5 g5 29.R1d3 Rf8 30.g3 Ba7 31.Rxa5 Rb2+ 32.Kd1 Bb6 33.Ra6 Rxf2 
34.Nd2 Kxe5 35.a5 Bc5 36.Rxh6 Bb4 37.Rc6 Bd6 38.a6 Ra8 39.Ke1 Rff8 40.Ke2 
Ke6 41.Ne4 Kd7 42.Rc4 Rf5 43.Ra4 Kc6 44.Nxd6 cxd6 45.a7 d5 46.Ra5 Re8+ 47.
Kd2 Ra8 48.g4 Rf4 49.Rdxd5 Rxa7 50.Rxg5 Rd7+ 51.Ke3 Rb4 52.Rac5+ Kb6 53.
Rc3 Rb1 54.Rg6+ Kb5 55.Rh6 Rf7 56.Rh5+ Kb4 57.Rd3 Re1+ 58.Kd2 Re4 59.Re3 
Rd4+ 60.Ke2 Rdf4 61.Rhe5 Rf2+ 62.Kd3 Rd7+ 63.Ke4 Kc4 64.Ra3 Rdf7 65.Ra4+ 
Kb3 66.Raa5 R2f4+ 67.Kd5 R4f6 68.g5 Rf3 69.Ke6 Rc7 70.h4 Rc6+ 71.Kd7 Rg6 
72.h5 Rf7+ 73.Re7 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "Mednis, Edmar John"]
[Black "Martz, William"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "B05"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.c4 Nb6 8.h3 Bh5 
9.exd6 cxd6 10.Nc3 O-O 11.Be3 d5 12.c5 Bxf3 13.Bxf3 Nc4 14.Bc1 Nc6 15.b3 
N4a5 16.Rb1 Bf6 17.Ne2 a6 18.a4 b6 19.b4 Nc4 20.b5 axb5 21.axb5 Ne7 22.c6 
Nf5 23.Qd3 Ra2 24.Nc3 Ra7 25.Nxd5 Nxd4 26.Nxf6+ Qxf6 27.Qxc4 Nxf3+ 28.Kh1 
Qd4 29.Qe2 Nh4 30.Rd1 Qf6 31.Be3 Rb8 32.Rbc1 Qe7 33.Qc4 Rc7 34.Rd7 Rxd7 
35.cxd7 Qxd7 36.Qxh4 Qxb5 37.Qe7 Qf5 38.Qc7 Re8 39.Qxb6 h5 40.Qc5 e5 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.04.30"]
[Round "5"]
[White "Reshevsky, Samuel Herman"]
[Black "Popovych, Orest"]
[Result "1-0"]
[WhiteElo "2550"]
[ECO "E62"]
[EventDate "1972.04.23"]
[PlyCount "81"]

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 O-O 5.d4 d6 6.Nf3 Nc6 7.O-O Bg4 8.h3 Bxf3
9.Bxf3 Nd7 10.e3 e5 11.d5 Ne7 12.e4 f5 13.Bd2 Nf6 14.Rc1 Qd7 15.Kg2 Rf7 
16.b4 Raf8 17.Bg5 h6 18.Bxf6 Rxf6 19.c5 h5 20.c6 bxc6 21.dxc6 Qc8 22.exf5 
Nxf5 23.Nd5 R6f7 24.Qd3 Bh6 25.Rc4 Kg7 26.Be4 Qd8 27.b5 Nd4 28.Rxd4 exd4 
29.Qxd4+ Kh7 30.Qxa7 h4 31.g4 Qe8 32.Qd4 Qe6 33.a4 Bf4 34.a5 Bg3 35.f3 Ra8
36.a6 Be5 37.Qd3 Kg7 38.b6 cxb6 39.c7 Ra7 40.Rc1 Rf8 41.Nxb6 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Bisguier, Arthur Bernard"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2440"]
[ECO "B50"]
[EventDate "1972.04.23"]
[PlyCount "39"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.e5 dxe5 5.Nxe5 a6 6.Be2 e6 7.O-O Qc7 8.f4 
Nbd7 9.Nxd7 Bxd7 10.d3 Be7 11.Bf3 O-O 12.Qe2 Rfe8 13.g3 Rac8 14.b3 b5 15.
Bb2 c4 16.dxc4 bxc4 17.Rfe1 a5 18.Kg2 Bc6 19.Bxc6 Qxc6+ 20.Qf3 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Evans, Larry Melvyn"]
[Black "De Fotis, Gregory"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[ECO "A58"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.g3 d6 7.Bg2 Nbd7 8.Nh3 g6
9.b3 Bg7 10.Bb2 O-O 11.O-O Qb8 12.Qd2 Qb4 13.Bc3 Ne4 14.Bxe4 Qxe4 15.Bxg7 
Kxg7 16.Nc3 Qd4 17.Rfd1 Qxd2 18.Rxd2 Rfb8 19.Rb1 Rb6 20.Rdb2 Bc8 21.Nf4 
Ne5 22.Nd3 Nxd3 23.exd3 Ba6 24.Rd2 Rb4 25.Re1 Kf8 26.Re4 Rab8 27.h4 h6 28.
f3 Bb7 29.Kf2 e5 30.Rc2 Ba6 31.Rd2 f5 32.Rxb4 Rxb4 33.Ne2 Ke7 34.f4 g5 35.
hxg5 hxg5 36.Ke3 gxf4+ 37.gxf4 Kd7 38.Rc2 e4 39.Ng3 exd3 40.Rh2 Rd4 
1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Feuerstein, Arthur William"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "A05"]
[EventDate "1972.04.23"]
[PlyCount "64"]

1.e4 c5 2.Nf3 d6 3.g3 Nc6 4.Bg2 Nf6 5.d3 g6 6.O-O Bg7 7.Re1 O-O 8.Nbd2 e5 
9.c3 Re8 10.a3 b5 11.a4 b4 12.Nc4 Rb8 13.Bg5 h6 14.Bxf6 Bxf6 15.Ne3 bxc3 
16.bxc3 Be6 17.Nd2 Bg5 18.h4 Bxe3 19.fxe3 Rb2 20.Qc1 Qb6 21.Re2 Rb8 22.Qf1
h5 23.Bh3 Bxh3 24.Qxh3 Qa6 25.c4 Qa5 26.Rd1 Qc3 27.Rf2 Qxd3 28.Rxf7 Kxf7 
29.Qd7+ Kg8 30.Rf1 Qxe3+ 31.Kh1 Qxd2 32.Qe6+ Kh8 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Horowitz, Israel Albert"]
[Black "Byrne, Robert"]
[Result "0-1"]
[BlackElo "2510"]
[ECO "E63"]
[EventDate "1972.04.23"]
[PlyCount "66"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.d4 a6 7.Nc3 Nc6 8.b3 Rb8 
9.Nd5 Nh5 10.e4 Bg4 11.Bb2 e5 12.dxe5 Nxe5 13.Rb1 f5 14.Ne3 Nxf3+ 15.Bxf3 
Bxf3 16.Qxf3 Bxb2 17.Rxb2 f4 18.gxf4 Nxf4 19.Qg4 Qf6 20.Rc2 Qd4 21.Nd5 
Qxe4 22.Rd2 Rbe8 23.Ne3 Re5 24.h4 Kh8 25.Rfd1 h5 26.Qg3 g5 27.Kh2 Ne6 28.
Rd5 gxh4 29.Qg2 Qf4+ 30.Kh1 Rg8 31.Rxe5 dxe5 32.Qd5 h3 33.Rg1 Ng5 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Kavalek, Lubomir"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[ECO "B04"]
[EventDate "1972.04.23"]
[PlyCount "107"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 cxd6 6.Nc3 g6 7.h3 Bg7 8.Nf3 O-O
9.Be2 Nc6 10.O-O Bf5 11.Be3 d5 12.c5 Nc4 13.Bxc4 dxc4 14.Qa4 Bd3 15.Rfd1 
Qa5 16.Qxa5 Nxa5 17.Ne1 Bf5 18.g4 Bd7 19.b4 cxb3 20.axb3 Nc6 21.Rac1 e6 
22.Nc2 f5 23.gxf5 Rxf5 24.b4 Rh5 25.b5 Ne7 26.Nb4 Rxh3 27.Bg5 Nf5 28.c6 
bxc6 29.bxc6 Bc8 30.Ne4 Rb3 31.Nd3 Bxd4 32.Ndc5 Rb5 33.Nd7 e5 34.Kg2 h6 
35.Bf6 g5 36.Rb1 Ba6 37.Bxe5 Rxe5 38.Nxe5 Bxe5 39.Nc5 Bc4 40.Rb4 Bf7 41.
Na6 Rc8 42.c7 Rxc7 43.Nxc7 Bxc7 44.Rb7 Bd6 45.Rxa7 Kg7 46.Rd5 Kg6 47.Rxf5 
Kxf5 48.Rxf7+ Kg6 49.Ra7 Be5 50.Kf3 Kf5 51.Rf7+ Bf6 52.Rh7 Kg6 53.Ra7 Kf5 
54.Ra5+ 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Lombardy, William James"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2520"]
[ECO "B84"]
[EventDate "1972.04.23"]
[PlyCount "44"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 e6 6.Be3 Nf6 7.Be2 Qc7 8.a4 b6 
9.O-O Bb7 10.Bd3 Be7 11.Re1 Nbd7 12.Bg5 O-O 13.Bh4 Ne5 14.Nf3 Nc6 15.Qd2 
Rfd8 16.Ne2 Na5 17.Ned4 Nc4 18.Qc3 Rac8 19.b3 Ne5 20.Qxc7 Nxf3+ 21.Nxf3 
Rxc7 22.Nd2 Kf8 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.01"]
[Round "6"]
[White "Popovych, Orest"]
[Black "Kaufman, Larry"]
[Result "0-1"]
[ECO "C35"]
[EventDate "1972.04.23"]
[PlyCount "128"]

1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Nc3 Bh4+ 5.Ke2 d6 6.d4 Bg4 7.Bxf4 Nc6 8.Qd3 
Bg5 9.Bxg5 Qxg5 10.Kf2 Bxf3 11.gxf3 Qh4+ 12.Kg1 Nge7 13.Qe3 O-O 14.Ne2 f5 
15.Bg2 Kh8 16.h3 Rae8 17.Kh2 Nd5 18.Qd2 fxe4 19.fxe4 Nf6 20.Rhf1 Nxe4 21.
Rxf8+ Rxf8 22.Qe3 Nf6 23.Qg3 Qxg3+ 24.Kxg3 g6 25.Bf3 Kg7 26.Rd1 Re8 27.h4 
Ne7 28.Rd3 Nf5+ 29.Kh3 Ne4 30.Ra3 a6 31.d5 Nd2 32.Ng3 Ne3 33.Bh1 Re7 34.
Rd3 Ndf1 35.Bg2 Nxg3 36.Kxg3 Nc4 37.Rd4 Ne3 38.Rb4 b6 39.Be4 a5 40.Rd4 
Nf5+ 41.Bxf5 gxf5 42.Kf3 Kf6 43.b3 Rg7 44.c4 h5 45.Rd1 Rg4 46.Rh1 Ke5 47.
Re1+ Re4 48.Rh1 a4 49.Rh2 a3 50.Rg2 Rf4+ 51.Ke3 Rg4 52.Rh2 f4+ 53.Kf2 Ke4 
54.Rh3 Kd4 55.Rh1 Kc3 56.Re1 Rxh4 57.Re7 Rh2+ 58.Kf3 Rxa2 59.Rxc7 Ra1 60.
b4 a2 61.c5 Rf1+ 62.Ke4 a1=Q 63.cxd6+ Kxb4 64.d7 Re1+ 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "Benko, Pal"]
[Black "Horowitz, Israel Albert"]
[Result "1-0"]
[WhiteElo "2520"]
[ECO "E04"]
[EventDate "1972.04.23"]
[PlyCount "79"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 Nf6 5.O-O e6 6.c4 dxc4 7.Qa4 Bd7 8.dxc5 
Bxc5 9.Qxc4 Qe7 10.Bg5 Rc8 11.Nc3 b5 12.Qh4 Qd8 13.Rad1 Be7 14.Nxb5 Rb8 
15.Nd6+ Kf8 16.Nc4 Rb5 17.Qf4 Rf5 18.Qc1 h6 19.Bf4 Rd5 20.Nfe5 g5 21.Nxd7+
Qxd7 22.Bxd5 exd5 23.Ne5 Qh3 24.Qxc6 gxf4 25.Rxd5 Nxd5 26.Qxd5 Rh7 27.Qe4 
Kg8 28.Qxf4 Rg7 29.Rd1 Qe6 30.Nf3 Qxa2 31.Qxh6 Qxb2 32.Qe3 Qb7 33.Ne5 a5 
34.Nc6 Bb4 35.Rd8+ Kh7 36.Qd3+ Kh6 37.Rh8+ Kg5 38.h4+ Kf6 39.Qf3+ Ke6 40.
Nd4+ 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "Byrne, Robert"]
[Black "Popovych, Orest"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[ECO "B90"]
[EventDate "1972.04.23"]
[PlyCount "101"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.Qd2 
Be7 9.f3 O-O 10.O-O-O Nbd7 11.g4 b5 12.g5 Nh5 13.Nd5 Bxd5 14.exd5 f5 15.
gxf6 Bxf6 16.Na5 Qc7 17.Nc6 Nb8 18.Bh3 a5 19.Bf5 Kh8 20.Rhg1 Na6 21.Qxa5 
Qxa5 22.Nxa5 Bd8 23.Bg4 Nf4 24.Bxf4 Rxf4 25.Nc6 Bf6 26.a3 g6 27.b4 Nc7 28.
Rd3 h5 29.Bd7 Kh7 30.Kd1 Bh4 31.Rg2 Raf8 32.Ke2 e4 33.fxe4 Rxe4+ 34.Kd2 
Rf1 35.Rd4 Rxd4+ 36.Nxd4 Nxd5 37.Bxb5 Ra1 38.Nf3 Bf6 39.Ng5+ Kh6 40.Ne4 
Bh4 41.Re2 Rxa3 42.Bc4 Nxb4 43.Nxd6 Bg5+ 44.Ke1 Bf4 45.Nf7+ Kg7 46.Nd8 
Ra1+ 47.Kf2 Bxh2 48.Re7+ Kf6 49.Re6+ Kf5 50.Kg2 Bc7 51.Nc6 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "De Fotis, Gregory"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[BlackElo "2520"]
[ECO "B06"]
[EventDate "1972.04.23"]
[PlyCount "85"]

1.d4 Nf6 2.g3 g6 3.Bg2 Bg7 4.e4 d6 5.Ne2 O-O 6.O-O e5 7.d5 c6 8.c4 b5 9.
dxc6 bxc4 10.Na3 Ba6 11.Qa4 Qb6 12.Be3 Qxc6 13.Qxc6 Nxc6 14.Rfd1 Rfd8 15.
Rac1 Nb4 16.Nxc4 Nxa2 17.Rc2 Nb4 18.Rcc1 Ng4 19.Bf3 Nxe3 20.Nxe3 d5 21.Nc3
d4 22.Ned5 Nd3 23.Rc2 dxc3 24.Rxc3 Rxd5 25.exd5 e4 26.Ra3 Nxb2 27.Rxa6 
exf3 28.Rb1 h5 29.d6 Rd8 30.Rc1 Be5 31.Rc2 Rd7 32.h4 Kg7 33.Ra5 Nd3 34.Rc6
Bd4 35.Rd5 Nb4 36.Rc7 Nxd5 37.Rxd7 Bb6 38.Rb7 Nf6 39.d7 Bd8 40.Rb8 Nxd7 
41.Rxd8 Ne5 42.Ra8 Kf6 43.Rxa7 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "Kaufman, Larry"]
[Black "Feuerstein, Arthur William"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1972.04.23"]
[PlyCount "107"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Ne8 10.c5 h6 11.Nd2 f5 12.a4 Nf6 13.f3 f4 14.Nc4 Ne8 15.Ba3 Rf6 16.b5
b6 17.cxd6 cxd6 18.Na2 g5 19.Nb4 Ng6 20.Nc6 Qd7 21.Bb4 h5 22.a5 bxa5 23.
Rxa5 Bb7 24.Nxa7 Rxa7 25.Rxa7 Qxb5 26.Qa4 Qxa4 27.Rxa4 Bf8 28.Ra7 Rf7 29.
Rfa1 Kg7 30.Kf2 g4 31.R1a2 Nh4 32.Nb6 Nf6 33.Bb5 Kh6 34.Bc6 gxf3 35.gxf3 
Rg7 36.Bxb7 Rg2+ 37.Kf1 Rxa2 38.Rxa2 Nxf3 39.Ra8 Kg7 40.Kg2 Ng5 41.Nc4 
Nfxe4 42.Nxe5 h4 43.Ng4 f3+ 44.Kf1 Nh3 45.Re8 Nhg5 46.Be1 Kf7 47.Bc6 Bg7 
48.Bxh4 Nd2+ 49.Ke1 f2+ 50.Bxf2 Ndf3+ 51.Ke2 Bd4 52.h4 Bxf2 53.Kxf2 Nxh4 
54.Re3 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "Martz, William"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[BlackElo "2440"]
[ECO "D06"]
[EventDate "1972.04.23"]
[PlyCount "38"]

1.d4 d5 2.c4 c5 3.cxd5 Nf6 4.e4 Nxe4 5.dxc5 Nxc5 6.Nc3 e5 7.Be3 Bd6 8.Nb5 
O-O 9.Rc1 b6 10.Nf3 Bb7 11.Bc4 a6 12.Nxd6 Qxd6 13.O-O Nbd7 14.Nd2 Nf6 15.
Bxc5 bxc5 16.Nb1 Rfd8 17.Nc3 Bxd5 18.Nxd5 Nxd5 19.Re1 Nb6 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "Mednis, Edmar John"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2550"]
[ECO "B42"]
[EventDate "1972.04.23"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.O-O Nc6 8.c4 
Nf6 9.Qe2 d6 10.Nc3 O-O 11.Bf4 Ne5 12.Rac1 Qc7 13.Nd2 Bd7 14.b3 Rfc8 15.
Bg5 Ne8 16.Kh1 h6 17.Be3 Bxe3 18.Qxe3 b5 19.Be2 b4 20.Nd1 Qc5 21.f4 Qxe3 
22.Nxe3 Ng6 23.Bh5 Rc5 24.Bxg6 fxg6 25.Nc2 a5 26.Rce1 Nc7 27.Kg1 Nb5 28.
Rf3 Kf8 29.Rd3 Ke7 30.Rg3 Be8 31.f5 Nc7 32.fxg6 Na6 33.Rf1 Re5 34.Nd4 Nc5 
35.N4f3 Nxe4 36.Nxe5 Nxg3 37.Nc6+ Kd7 38.hxg3 Kxc6 39.Rf8 Kd7 40.Rg8 Ke7 
41.Rxg7+ 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.03"]
[Round "7"]
[White "Reshevsky, Samuel Herman"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[WhiteElo "2550"]
[BlackElo "2550"]
[ECO "D76"]
[EventDate "1972.04.23"]
[PlyCount "84"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 
Nc6 9.d5 Na5 10.e4 c6 11.Nd4 cxd5 12.exd5 e5 13.Nb3 Nac4 14.a4 Nd6 15.Qe2 
Bf5 16.Rd1 Qc7 17.Be3 Qc4 18.Bc5 Rfd8 19.Bxd6 Rxd6 20.Na5 Qxe2 21.Nxe2 Rd7
22.Nc3 Nc8 23.d6 Nxd6 24.Rd2 Rad8 25.h3 e4 26.Rad1 b6 27.Nc6 Nc4 28.Rxd7 
Rxd7 29.Rxd7 Bxd7 30.Bxe4 Nxb2 31.Nb5 a5 32.g4 Nxa4 33.Kf1 Nc3 34.Nxc3 
Bxc3 35.Ke2 Be6 36.Kd3 Bf6 37.Kc2 h5 38.Bf3 Kg7 39.Na7 Kh6 40.Nb5 Kg5 41.
Nc7 Bc4 42.Bd5 Bxd5 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Evans, Larry Melvyn"]
[Black "Martz, William"]
[Result "1-0"]
[WhiteElo "2550"]
[ECO "B05"]
[EventDate "1972.04.23"]
[PlyCount "81"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.h3 Bh5 8.c4 Nb6 
9.exd6 cxd6 10.a4 O-O 11.a5 N6d7 12.Be3 f5 13.Nc3 Na6 14.Re1 Bf7 15.b4 e5 
16.b5 Nc7 17.dxe5 dxe5 18.Ng5 Bxg5 19.Bxg5 Qxg5 20.Qxd7 Rac8 21.Qd6 Rfe8 
22.Bf1 Qf4 23.Rad1 Re6 24.Qd7 Ree8 25.g3 Qg5 26.Rxe5 Be6 27.Qd4 Qf6 28.f4 
Bf7 29.Rde1 b6 30.axb6 axb6 31.Kf2 Red8 32.Qe3 Rd6 33.c5 bxc5 34.Qxc5 g6 
35.Bc4 Qd8 36.Bxf7+ Kxf7 37.Qe3 Nd5 38.Nxd5 Rxd5 39.Qb3 Rc2+ 40.R1e2 Qb6+ 
41.Kf3 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Feuerstein, Arthur William"]
[Black "Byrne, Robert"]
[Result "0-1"]
[BlackElo "2510"]
[ECO "B66"]
[EventDate "1972.04.23"]
[PlyCount "38"]

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 
h6 9.Bh4 Nxe4 10.Qf4 Ng5 11.Nxc6 bxc6 12.Qa4 Qc7 13.f4 Nh7 14.f5 Be7 15.
Bxe7 Kxe7 16.Qg4 e5 17.Qxg7 Bxf5 18.Bc4 Ng5 19.Rhf1 Rh7 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Horowitz, Israel Albert"]
[Black "De Fotis, Gregory"]
[Result "0-1"]
[ECO "B91"]
[EventDate "1972.04.23"]
[PlyCount "78"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 
O-O 9.O-O Nbd7 10.h3 b5 11.g4 Bb7 12.Ng3 Nc5 13.Qe2 g6 14.a3 Ne6 15.Be3 
Ne8 16.Qd2 Rc8 17.a4 bxa4 18.Nd5 Nc5 19.Nxe7+ Qxe7 20.Bxc5 Rxc5 21.Rxa4 
Ng7 22.c3 Qc7 23.Rb4 Ne6 24.Ne2 a5 25.Rb3 Ba6 26.Ra1 Bc4 27.Rba3 Rb5 28.
Nc1 Rfb8 29.b3 Bxb3 30.Bf1 Bc4 31.Bxc4 Qxc4 32.Rxa5 Qxe4 33.Rxb5 Rxb5 34.
Ne2 Kg7 35.Ng3 Qb7 36.Ra4 h6 37.Qe3 Ng5 38.Ne4 Rb1+ 39.Kh2 Re1 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Kavalek, Lubomir"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2440"]
[ECO "C42"]
[EventDate "1972.04.23"]
[PlyCount "35"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Nc3 
Bf5 9.Re1 Nxc3 10.bxc3 Bxd3 11.Qxd3 O-O 12.Rb1 Na5 13.Rb5 b6 14.Ne5 f6 15.
Nf3 Bd6 16.Qf5 c6 17.Rb1 Re8 18.Bf4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Lombardy, William James"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2440"]
[ECO "A11"]
[EventDate "1972.04.23"]
[PlyCount "32"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Qc2 g6 5.g3 Bg7 6.Bg2 O-O 7.O-O Bf5 8.Qb3 Qb6 
9.Nc3 Qxb3 10.axb3 Rd8 11.Bd2 Na6 12.cxd5 Nxd5 13.e4 Nxc3 14.bxc3 Bxe4 15.
Rfe1 Bxf3 16.Bxf3 Bf6 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Popovych, Orest"]
[Black "Benko, Pal"]
[Result "0-1"]
[BlackElo "2520"]
[ECO "B54"]
[EventDate "1972.04.23"]
[PlyCount "84"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 d6 6.Bd3 g6 7.f4 Bg7 8.Nf3 Ne7 
9.O-O Nbc6 10.Qe1 Nb4 11.Be3 Nxd3 12.cxd3 O-O 13.Qf2 b5 14.Rac1 Bb7 15.Bb6
Qd7 16.Bd4 f6 17.Qh4 Rac8 18.Ne2 Rxc1 19.Rxc1 e5 20.Bc3 Nc6 21.f5 gxf5 22.
Ng3 fxe4 23.dxe4 Ne7 24.Bb4 Ng6 25.Qh3 Qxh3 26.gxh3 Rc8 27.Rxc8+ Bxc8 28.
Bxd6 Bxh3 29.Kf2 Kf7 30.Ke3 Ke6 31.Bb4 Nf4 32.Ne1 Bg4 33.Nd3 Nxd3 34.Kxd3 
f5 35.Nxf5 Bxf5 36.exf5+ Kxf5 37.b3 Kf4 38.Ke2 Kg4 39.Be1 Bh6 40.a4 bxa4 
41.bxa4 Bf4 42.h4 Bg3 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.04"]
[Round "8"]
[White "Reshevsky, Samuel Herman"]
[Black "Kaufman, Larry"]
[Result "1-0"]
[WhiteElo "2550"]
[ECO "E60"]
[EventDate "1972.04.23"]
[PlyCount "81"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 c5 6.c4 d6 7.O-O Nc6 8.d4 cxd4 
9.Nxd4 Bd7 10.Nc3 Nxd4 11.Qxd4 Be6 12.Nd5 Bxd5 13.Bxd5 Ne8 14.Qd2 Bxb2 15.
Qxb2 Rb8 16.Rad1 Qc7 17.Rd4 Nf6 18.Bg2 Rfd8 19.Rfd1 b6 20.Rf4 Ne8 21.h4 
Ng7 22.Bd5 e6 23.Bg2 Qe7 24.Rfd4 Rbc8 25.Qd2 Ne8 26.h5 Rc5 27.hxg6 hxg6 
28.Bf3 Rdc8 29.Kg2 Qg5 30.Qxg5 Rxg5 31.Bb7 Rc7 32.Ba6 Re7 33.e4 Ra5 34.Bb5
Rxa2 35.e5 d5 36.Rh1 g5 37.Rh5 Ng7 38.Rxg5 a6 39.Ba4 Kf8 40.Rh4 Rb7 41.
Rh8+ 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "Benko, Pal"]
[Black "Feuerstein, Arthur William"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[ECO "C41"]
[EventDate "1972.04.23"]
[PlyCount "46"]

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.g3 Be7 6.Bg2 c6 7.a4 a5 8.O-O Qc7 
9.b3 Nf8 10.Nh4 g6 11.h3 h6 12.Be3 Ne6 13.Nf3 Bd7 14.Qe2 g5 15.Rfd1 g4 16.
hxg4 Nxg4 17.d5 Ng5 18.Nh4 Rc8 19.Nf5 Bxf5 20.exf5 Nxe3 21.Qxe3 f6 22.f4 
Nf7 23.Be4 Kd7 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "Bisguier, Arthur Bernard"]
[Black "Evans, Larry Melvyn"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2550"]
[ECO "E70"]
[EventDate "1972.04.23"]
[PlyCount "89"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5 h6 6.Bh4 c5 7.d5 O-O 8.Bd3 e6 9.
dxe6 Bxe6 10.f4 Nc6 11.Nge2 g5 12.fxg5 Ng4 13.Qd2 Nce5 14.O-O Nxd3 15.Qxd3
hxg5 16.Bg3 Ne5 17.Bxe5 Bxe5 18.Ng3 Kh7 19.Nd5 Rh8 20.Nf5 Kg8 21.g3 Kf8 
22.Qd2 Ke8 23.Rad1 Kd7 24.b4 b6 25.Qc2 Qc8 26.Nde7 Qa6 27.b5 Qa3 28.Rd3 
Qb2 29.Rxd6+ Kc7 30.Rc6+ Kb8 31.Qxb2 Bxb2 32.Rf2 Be5 33.Ng6 Bxf5 34.Nxh8 
Bxe4 35.Nxf7 Bd4 36.Re6 Bb7 37.Re8+ Kc7 38.Rxa8 Bxa8 39.Nxg5 Kd6 40.Kf1 
Bxf2 41.Kxf2 Ke5 42.Ke3 Bg2 43.Nf3+ Kf6 44.Kf4 Bf1 45.Ne5 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "Byrne, Robert"]
[Black "Reshevsky, Samuel Herman"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2550"]
[ECO "C42"]
[EventDate "1972.04.23"]
[PlyCount "63"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Nxe5 d6 5.Nf3 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 
Nd6 9.Bf4 O-O 10.c3 Be6 11.Nbd2 Qd7 12.Nf1 f5 13.Qe2 Ne4 14.Ne5 Nxe5 15.
Bxe5 Bf6 16.Bxf6 Rxf6 17.f3 Nd6 18.Qc2 Re8 19.Re5 g6 20.Rae1 Bf7 21.Ne3 c6
22.Qf2 Kg7 23.g4 Ne4 24.Qg2 f4 25.Nf5+ gxf5 26.gxf5+ Kh8 27.Rxe8+ Qxe8 28.
fxe4 Rxf5 29.Qg4 Bg6 30.Kf2 Rf7 31.exd5 Re7 32.Bxg6 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "De Fotis, Gregory"]
[Black "Popovych, Orest"]
[Result "1/2-1/2"]
[ECO "E72"]
[EventDate "1972.04.23"]
[PlyCount "115"]

1.d4 Nf6 2.g3 g6 3.Bg2 Bg7 4.e4 d6 5.Ne2 O-O 6.O-O e5 7.c4 exd4 8.Nxd4 Nc6
9.Nxc6 bxc6 10.Nc3 Be6 11.b3 Qd7 12.Bb2 Bh3 13.Qd2 Rae8 14.f3 Bxg2 15.Kxg2
h5 16.Rad1 Kh7 17.Rfe1 Qc8 18.c5 Re6 19.cxd6 cxd6 20.Ne2 Bh6 21.Qa5 h4 22.
Qxa7 h3+ 23.Kh1 c5 24.Nc3 Kg8 25.Qa4 Qb7 26.Qb5 Qa8 27.Qf1 d5 28.exd5 Rxe1
29.Qxe1 Bg7 30.Rd3 Re8 31.Qd2 Qa6 32.Kg1 Nd7 33.Nd1 Bxb2 34.Nxb2 Qxa2 35.
Nd1 Qa1 36.Kf2 Ra8 37.Rc3 Nf6 38.d6 Ra2 39.Rc2 Rxc2 40.Qxc2 Qd4+ 41.Ne3 
Qxd6 42.Ke2 Nh5 43.Kf2 Ng7 44.Qd1 Qe7 45.Qa1 Qd8 46.Qc3 Qd6 47.Ng4 f5 48.
Ne5 Kh7 49.Qe3 Ne6 50.Nf7 Qd4 51.Qxd4 Nxd4 52.Ng5+ Kg7 53.Nxh3 Nxb3 54.Ke3
c4 55.g4 Kf6 56.gxf5 Kxf5 57.Ng1 g5 58.Nh3 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "Kaufman, Larry"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "A53"]
[EventDate "1972.04.23"]
[PlyCount "46"]

1.c4 e5 2.Nc3 d6 3.Nf3 Bg4 4.d4 Nd7 5.e3 Ngf6 6.Be2 c6 7.h3 Bh5 8.dxe5 
dxe5 9.O-O e4 10.Nd2 Bg6 11.b3 Qc7 12.Qc2 Qe5 13.Rd1 Bd6 14.Nf1 O-O 15.Bb2
Qe7 16.Rd2 Ne5 17.Rad1 Nf3+ 18.gxf3 exf3 19.Bd3 Qe6 20.Ng3 Qxh3 21.Bf1 Qh6
22.Bd3 Ng4 23.Nce4 Qh3 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "Martz, William"]
[Black "Lombardy, William James"]
[Result "0-1"]
[BlackElo "2520"]
[ECO "A84"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.c4 f5 2.d4 Nf6 3.e3 d6 4.f4 g6 5.Nf3 Bg7 6.b3 O-O 7.Bb2 c6 8.Bd3 Kh8 9.
O-O Be6 10.Qc2 Bg8 11.Nbd2 Nbd7 12.Rae1 Rb8 13.Kh1 b5 14.Ba1 bxc4 15.bxc4 
Nb6 16.h3 Qd7 17.Rg1 Ne4 18.Nxe4 fxe4 19.Bxe4 Bxc4 20.Nh2 Bd5 21.Bd3 Bg8 
22.Rgf1 Nd5 23.Qd2 Nb4 24.Bb1 c5 25.e4 Qa4 26.a3 Qxa3 27.Bb2 Qb3 28.Rf3 
Nd3 29.Ba1 Qb4 30.Rxd3 Qxb1 31.Bc3 c4 32.Rf3 Qb6 33.d5 e5 34.dxe6 Bxe6 35.
Rd1 Rb7 36.Nf1 Bxc3 37.Qxc3+ Kg8 38.Ne3 Qc5 39.Nd5 Rb3 40.Qd2 Bxd5 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.07"]
[Round "9"]
[White "Mednis, Edmar John"]
[Black "Horowitz, Israel Albert"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[ECO "C91"]
[EventDate "1972.04.23"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 O-O 8.d4 d6 
9.c3 Bg4 10.Be3 exd4 11.cxd4 Na5 12.Bc2 Nc4 13.Bc1 c5 14.b3 Na5 15.d5 Nd7 
16.Nbd2 Bf6 17.Rb1 Rc8 18.h3 Bh5 19.g4 Bg6 20.Nf1 c4 21.b4 Nb7 22.Ng3 Ra8 
23.Nd4 Bxd4 24.Qxd4 a5 25.a3 Qh4 26.Kg2 a4 27.Bb2 f6 28.Nf5 Bxf5 29.exf5 
Ne5 30.Re3 g5 31.fxg6 hxg6 32.f4 Rf7 33.fxe5 fxe5 34.Qe4 Raf8 35.Qxg6+ Kh8
36.Bf5 Rxf5 37.gxf5 Rg8 38.Qxg8+ Kxg8 39.Rg3+ Kf7 40.Re1 Qf4 41.Bc3 Nd8 
42.Rg4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Feuerstein, Arthur William"]
[Black "De Fotis, Gregory"]
[Result "1/2-1/2"]
[ECO "A80"]
[EventDate "1972.04.23"]
[PlyCount "81"]

1.d4 f5 2.Qd3 d6 3.g4 fxg4 4.h3 g3 5.fxg3 Nf6 6.Bg5 c6 7.Nc3 Qa5 8.Bxf6 
exf6 9.Nf3 Na6 10.Bg2 Bf5 11.Qe3+ Be7 12.O-O Bd7 13.d5 Nb4 14.dxc6 bxc6 
15.Nd4 Qe5 16.Qf2 Rc8 17.a3 Na6 18.Nf3 Qc5 19.Qxc5 Nxc5 20.b4 Ne6 21.Rad1 
O-O 22.Ne4 d5 23.Nc3 a5 24.bxa5 Bxa3 25.e4 d4 26.Na4 Ra8 27.Nb6 Ra7 28.
Nxd7 Rxd7 29.e5 Rd5 30.exf6 Rxf6 31.Nd2 Rxa5 32.Nc4 Ra4 33.Bxc6 Rxc4 34.
Bd5 Rxc2 35.Rxf6 gxf6 36.Bxe6+ Kg7 37.Bf5 Rc3 38.Rd3 Bd6 39.Rxc3 dxc3 40.
Kf2 h6 41.Kf3 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Horowitz, Israel Albert"]
[Black "Martz, William"]
[Result "0-1"]
[ECO "A12"]
[EventDate "1972.04.23"]
[PlyCount "152"]

1.Nf3 d5 2.c4 c6 3.b3 Bg4 4.d4 e6 5.Nbd2 Nd7 6.g3 f5 7.Bg2 Bd6 8.Bb2 Qf6 
9.a3 Ne7 10.Qc2 O-O 11.b4 Rac8 12.Qc3 Ng6 13.Qb3 Qe7 14.e3 Bb8 15.a4 Kh8 
16.a5 Bxf3 17.Nxf3 a6 18.h4 Rfd8 19.O-O-O dxc4 20.Qxc4 Nf6 21.h5 Nf8 22.
Ne1 Nd5 23.Nd3 Nd7 24.Kb1 N7f6 25.Bf3 Bd6 26.Ba3 Nc7 27.Nc5 Nfd5 28.Rc1 
Nb5 29.Bb2 b6 30.axb6 Nxb6 31.Qb3 Nd5 32.h6 g6 33.e4 fxe4 34.Bxe4 Rb8 35.
Rhe1 Nbc7 36.Bxd5 cxd5 37.Qa4 Rb6 38.Re3 Rdb8 39.Rb3 Kg8 40.f4 Nb5 41.Nd3 
Qf8 42.Qa5 Qxh6 43.Rc8+ Rxc8 44.Qxb6 Qh2 45.Qxa6 Qc2+ 46.Ka2 Nxd4 47.Ra3 
Qc4+ 48.Qxc4 dxc4 49.Bxd4 cxd3 50.Rxd3 Bxb4 51.Kb3 Bf8 52.Bc3 Bg7 53.Bb4 
Rc7 54.Rd8+ Kf7 55.Rb8 h5 56.Ba5 Rc1 57.Rb7+ Kg8 58.Rb8+ Kh7 59.Re8 Rg1 
60.Rxe6 Rxg3+ 61.Kc2 h4 62.Re1 Kh6 63.Rh1 Kh5 64.Kd2 Kg4 65.Ke2 Bd4 66.Be1
Rg2+ 67.Kd3 Bf2 68.Bxf2 Rxf2 69.Rg1+ Kxf4 70.Rxg6 h3 71.Rh6 h2 72.Rh7 Kf3 
73.Rf7+ Kg2 74.Rg7+ Kf1 75.Rh7 Kg1 76.Ke3 Rg2 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Kaufman, Larry"]
[Black "Byrne, Robert"]
[Result "0-1"]
[BlackElo "2510"]
[ECO "C09"]
[EventDate "1972.04.23"]
[PlyCount "104"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.O-O Ne7 8.dxc5
Bxc5 9.Nb3 Bd6 10.Nbd4 O-O 11.Bg5 Qc7 12.h3 h6 13.Bxe7 Bxe7 14.Re1 Bf6 15.
c3 Qb6 16.Bxc6 bxc6 17.Qd2 c5 18.Ne2 Bb7 19.Ng3 Rad8 20.Nh5 d4 21.Nxf6+ 
Qxf6 22.Ne5 Rfe8 23.Ng4 Qg6 24.f3 h5 25.Nh2 Bc8 26.h4 Be6 27.Re5 Bxa2 28.
Rg5 Qa6 29.cxd4 Rxd4 30.Qc3 Qe6 31.Rxh5 Bd5 32.Nf1 Qb6 33.Re1 Rxe1 34.Qxe1
Be6 35.Qf2 f6 36.Qc2 c4 37.Kh1 Bf7 38.Qh7+ Kf8 39.Qh8+ Ke7 40.Ne3 g6 41.
Rh7 Qe6 42.Qb8 Qxe3 43.Qc7+ Ke6 44.Qxf7+ Kf5 45.Rh5+ gxh5 46.Qxh5+ Kf4 47.
Qh6+ Kg3 48.Qxe3 Rd1+ 49.Qg1 Rxg1+ 50.Kxg1 a5 51.h5 c3 52.bxc3 a4 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Kavalek, Lubomir"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2550"]
[ECO "A35"]
[EventDate "1972.04.23"]
[PlyCount "51"]

1.c4 c5 2.Nf3 Nc6 3.Nc3 g6 4.e3 Nf6 5.d4 Bg7 6.d5 Na5 7.e4 d6 8.h3 O-O 9.
Bd3 a6 10.Bg5 Rb8 11.Rb1 b5 12.b3 h6 13.Bd2 e5 14.Qc1 Kh7 15.g4 Bd7 16.Ne2
bxc4 17.bxc4 Rxb1 18.Bxb1 Qb6 19.Bd3 Rb8 20.Ng3 Nb7 21.Ke2 Nd8 22.Bc3 Ng8 
23.Nf1 f6 24.Ne3 Nf7 25.Qa3 Qa7 26.Rb1 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Lombardy, William James"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[WhiteElo "2520"]
[BlackElo "2440"]
[ECO "A28"]
[EventDate "1972.04.23"]
[PlyCount "111"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Be7 5.a3 O-O 6.b4 d6 7.Be2 Re8 8.Qc2 Bf8 
9.Bb2 a5 10.b5 Ne7 11.d3 c6 12.bxc6 bxc6 13.c5 Ned5 14.cxd6 Bxd6 15.Nd2 
Ng4 16.Nc4 Bc7 17.Bf3 f5 18.g3 Ngf6 19.O-O Be6 20.Nxd5 Bxd5 21.e4 fxe4 22.
dxe4 Bf7 23.a4 Qc8 24.Ba3 Qe6 25.Rfc1 Rab8 26.Ne3 Bb6 27.Bc5 Bg6 28.Bxb6 
Rxb6 29.Nc4 Ra6 30.Rab1 h6 31.Rb7 Kh7 32.Rd1 c5 33.Qd3 Raa8 34.Rb6 Qe7 35.
Qd6 Qa7 36.Rdb1 Rad8 37.Qc6 Rc8 38.Qb5 Re7 39.Nd6 Rd8 40.Ra6 Qc7 41.Rc6 
Qd7 42.Qxc5 Qa7 43.Qxa7 Rxa7 44.Rbb6 Rad7 45.h4 Bh5 46.Bxh5 Nxh5 47.Kg2 
Nf6 48.Kh3 Rf8 49.f3 Ng8 50.Nc4 Rd4 51.Rb7 Nf6 52.Nxe5 Rxa4 53.Ng4 Nxg4 
54.Kxg4 h5+ 55.Kxh5 Rxf3 56.Rg6 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Popovych, Orest"]
[Black "Mednis, Edmar John"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "C17"]
[EventDate "1972.04.23"]
[PlyCount "100"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Qg4 Ne7 6.dxc5 Nbc6 7.Bd2 O-O 8.Nf3 f5
9.Qh4 Ng6 10.Qh3 Ngxe5 11.Nxe5 Nxe5 12.Qe3 Nc6 13.Na4 Qa5 14.b3 f4 15.Qd3 
Ne5 16.Qd4 Bxd2+ 17.Qxd2 Qc7 18.Qd4 Bd7 19.Nb2 Rac8 20.Be2 Nc6 21.Qd2 Ne5 
22.b4 f3 23.gxf3 Nxf3+ 24.Bxf3 Rxf3 25.Nd3 Rcf8 26.O-O-O Bb5 27.Qe2 Bxd3 
28.Qxe6+ Kh8 29.Rxd3 Rxd3 30.cxd3 Qf4+ 31.Qe3 Qxb4 32.d4 b6 33.Re1 bxc5 
34.dxc5 h6 35.Re2 d4 36.Qe5 Qc4+ 37.Rc2 Qf1+ 38.Kb2 Qb5+ 39.Kc1 Qf1+ 40.
Kb2 Qb5+ 41.Kc1 d3 42.Rb2 Qc4+ 43.Kd2 Rf3 44.Qb8+ Kh7 45.Qe5 Qg4 46.h3 Qg6
47.Qd4 Qg5+ 48.Kd1 Qg1+ 49.Kd2 Rxf2+ 50.Kxd3 Qd1+ 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.08"]
[Round "10"]
[White "Reshevsky, Samuel Herman"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2520"]
[ECO "A17"]
[EventDate "1972.04.23"]
[PlyCount "28"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3 6.Qxc3 c5 7.g3 b6 8.Bg2 
Bb7 9.O-O d6 10.b4 Nc6 11.d3 e5 12.e4 Nd7 13.Ra2 a6 14.Be3 Nd4 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "Benko, Pal"]
[Black "Kaufman, Larry"]
[Result "1-0"]
[WhiteElo "2520"]
[ECO "D47"]
[EventDate "1972.04.23"]
[PlyCount "77"]

1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.d4 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Be2 
Be7 9.a3 a6 10.b4 a5 11.Rb1 O-O 12.e4 axb4 13.axb4 Nb6 14.Qc2 Bb7 15.Bd3 
h6 16.O-O Re8 17.Rd1 Bf8 18.h3 Nfd7 19.Bf4 Qe7 20.Rb3 Rec8 21.Qe2 Ra7 22.
Be3 Rca8 23.d5 cxd5 24.exd5 Ra1 25.dxe6 Bxf3 26.Qxf3 Qxe6 27.Rbb1 Rxb1 28.
Bxb1 Rb8 29.Nxb5 Nf6 30.Nd4 Qd5 31.Nc6 Qxf3 32.gxf3 Rb7 33.Rd8 Nbd7 34.Be4
Rb5 35.Bd3 Rh5 36.b5 g6 37.b6 Ne5 38.Nxe5 Rxe5 39.b7 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "Bisguier, Arthur Bernard"]
[Black "Horowitz, Israel Albert"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "D33"]
[EventDate "1972.04.23"]
[PlyCount "69"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 exd5 6.g3 Nc6 7.Bg2 h6 8.O-O Be6
9.b3 Rc8 10.Bb2 Be7 11.Rc1 cxd4 12.Nxd4 Nxd4 13.Qxd4 Qa5 14.Nxd5 Rxc1 15.
Rxc1 Nxd5 16.Qxg7 Rf8 17.Qxh6 Qxa2 18.Bg7 Rg8 19.Qh7 Rxg7 20.Qxg7 Qd2 21.
Qh8+ Bf8 22.Ra1 Nc3 23.Bxb7 Nxe2+ 24.Kf1 Nd4 25.Rxa7 Qc1+ 26.Kg2 Nc6 27.
Ra8+ Nd8 28.Rxd8+ Kxd8 29.Qxf8+ Kc7 30.Qe7+ Kb6 31.Bf3 Qe1 32.Qd6+ Ka5 33.
Qc5+ Ka6 34.b4 Qb1 35.Qa5# 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "Byrne, Robert"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2550"]
[ECO "B84"]
[EventDate "1972.04.23"]
[PlyCount "155"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.Be2 Qc7 8.g4 b5 
9.g5 Nfd7 10.a3 Nb6 11.f4 N8d7 12.O-O Bb7 13.f5 e5 14.Nb3 Na4 15.Nd5 Bxd5 
16.Qxd5 Ndb6 17.Bxb6 Nxb6 18.Qd2 Rc8 19.c3 Nc4 20.Qc1 d5 21.exd5 Bc5+ 22.
Nxc5 Qxc5+ 23.Rf2 Qxd5 24.Bf3 Qc5 25.a4 O-O 26.axb5 axb5 27.b4 Qb6 28.Qe1 
Rfd8 29.Kh1 Rd3 30.g6 fxg6 31.fxg6 Rxf3 32.Rxf3 Qc6 33.gxh7+ Kh8 34.Qe2 
Nd2 35.Rf1 Nxf1 36.Qxf1 Rf8 37.Kg2 Qg6+ 38.Kh1 Qe4 39.Kg2 Rd8 40.Kg1 Qg4+ 
41.Rg3 Qh5 42.Rf3 Qg6+ 43.Rg3 Qc2 44.Re3 e4 45.Re1 Qxc3 46.Rxe4 Qc2 47.Re1
Qd2 48.Re4 Qc2 49.Re1 Qd2 50.Re4 Qg5+ 51.Kh1 Rc8 52.Re1 Qd2 53.Rb1 Qc2 54.
Re1 Qc3 55.Rb1 Re8 56.Qf7 Qc6+ 57.Kg1 Kxh7 58.Qh5+ Kg8 59.Rd1 Qb6+ 60.Kh1 
Re6 61.Qf3 Qc7 62.Rf1 Qc4 63.Qf7+ Kh7 64.Qh5+ Rh6 65.Qf5+ Rg6 66.Rf4 Qc1+ 
67.Rf1 Qc6+ 68.Rf3 Qc1+ 69.Rf1 Qc6+ 70.Rf3 Qa8 71.Qh5+ Rh6 72.Qf5+ Rg6 73.
Qh5+ Kg8 74.Qxg6 Qxf3+ 75.Kg1 Qd1+ 76.Kf2 Qd2+ 77.Kg3 Qc3+ 78.Kg2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "De Fotis, Gregory"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[BlackElo "2550"]
[ECO "B20"]
[EventDate "1972.04.23"]
[PlyCount "56"]

1.g3 g6 2.Bg2 c5 3.e4 Bg7 4.f4 d6 5.Nf3 e6 6.O-O Nc6 7.d3 Nge7 8.c3 e5 9.
Nbd2 exf4 10.gxf4 O-O 11.Nh4 Kh8 12.Ndf3 d5 13.Qe1 Bg4 14.Qg3 Qd7 15.Ne5 
Nxe5 16.fxe5 dxe4 17.Bg5 Nc6 18.Rf6 Nxe5 19.Qxe5 exd3 20.Bh6 Rfe8 21.Bxg7+
Kg8 22.Qd6 Rad8 23.Qxd7 Rxd7 24.Bh6 d2 25.Bxd2 Rxd2 26.Rf2 Rxf2 27.Kxf2 
Re2+ 28.Kg3 h5 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "Evans, Larry Melvyn"]
[Black "Lombardy, William James"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2520"]
[ECO "B25"]
[EventDate "1972.04.23"]
[PlyCount "119"]

1.e4 c5 2.f4 Nc6 3.Nf3 d6 4.g3 g6 5.Bg2 Bg7 6.O-O e6 7.d3 Nge7 8.Nc3 O-O 
9.Be3 b6 10.d4 Ba6 11.Re1 e5 12.fxe5 cxd4 13.Nxd4 Nxd4 14.Qxd4 Bxe5 15.Qa4
Bb7 16.Rad1 a6 17.Qb3 b5 18.a4 Bc6 19.axb5 axb5 20.Kh1 b4 21.Qxb4 Rb8 22.
Qa3 Ra8 23.Qb3 Qa5 24.Bb6 Qa6 25.Bf1 Qc8 26.Bd4 Rb8 27.Qa2 Nf5 28.Bxe5 
dxe5 29.Nd5 Bxd5 30.Qxd5 Nd4 31.c3 Rd8 32.Qc4 Nf3 33.Qxc8 Rdxc8 34.Re3 Ng5
35.b4 Rc7 36.h4 Ne6 37.Rd5 Ra8 38.Bh3 Ra2 39.Red3 Nd4 40.Rxe5 Ne2 41.Rc5 
Rca7 42.Bf1 Nc1 43.Re3 Rc2 44.Ra5 Rd7 45.Rd5 Ra7 46.c4 Raa2 47.b5 Rab2 48.
Rf3 Ne2 49.Rd8+ Kg7 50.Rd7 Kg8 51.Rfxf7 Nxg3+ 52.Kg1 Nxf1 53.Rg7+ Kf8 54.
Rdf7+ Ke8 55.Ra7 Rg2+ 56.Kxf1 Rbf2+ 57.Ke1 Kf8 58.Rxh7 Kg8 59.Rhg7+ Kh8 
60.Rgd7 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "Martz, William"]
[Black "Popovych, Orest"]
[Result "1-0"]
[ECO "E78"]
[EventDate "1972.04.23"]
[PlyCount "133"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.f4 c5 7.Nf3 cxd4 8.Nxd4 Bg4
9.Be3 Qc8 10.Nd5 Bxe2 11.Qxe2 Qd7 12.Nxf6+ exf6 13.O-O Re8 14.Qd3 a6 15.
Bd2 Nc6 16.Bc3 Rac8 17.b3 Re7 18.Rad1 Rce8 19.Nxc6 Qxc6 20.Qxd6 Qxd6 21.
Rxd6 Rxe4 22.g3 Bf8 23.Rd5 f5 24.Rfd1 Bg7 25.Bxg7 Kxg7 26.R1d2 h5 27.h4 b6
28.Kf2 a5 29.Rd6 R8e6 30.Rxe6 Rxe6 31.Rd3 f6 32.Re3 Rd6 33.Re7+ Kh6 34.Ke3
g5 35.Rb7 Kg6 36.a3 Re6+ 37.Kd3 Rd6+ 38.Kc3 Re6 39.Kd3 Rd6+ 40.Kc3 Re6 41.
Rd7 gxh4 42.gxh4 Re3+ 43.Rd3 Re4 44.Rf3 Kf7 45.Kd3 Re1 46.c5 bxc5 47.Kc4 
Rc1+ 48.Kb5 Ke6 49.Rd3 Rf1 50.Kxa5 Rxf4 51.Kb5 Rxh4 52.Kxc5 f4 53.a4 Rg4 
54.b4 Rg3 55.Rd1 f3 56.a5 Ke5 57.a6 Kf4 58.a7 Rg8 59.b5 f2 60.b6 Ke3 61.b7
Rg1 62.b8=Q Rxd1 63.Qg3+ Ke2 64.a8=Q Rc1+ 65.Kd4 Rd1+ 66.Kc3 Rc1+ 67.Kb2 
1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.10"]
[Round "11"]
[White "Mednis, Edmar John"]
[Black "Feuerstein, Arthur William"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "B08"]
[EventDate "1972.04.23"]
[PlyCount "56"]

1.e4 g6 2.d4 Bg7 3.Nf3 c6 4.Nc3 d6 5.Be2 Nf6 6.O-O O-O 7.h3 Nbd7 8.Be3 Qc7
9.a4 Re8 10.Qd2 a6 11.Rfd1 b6 12.Bh6 Bh8 13.Ng5 Bb7 14.Bc4 e6 15.Qf4 b5 
16.Bb3 Rac8 17.axb5 cxb5 18.Rd3 Re7 19.Qh4 Nb6 20.Re1 Nc4 21.Bxc4 bxc4 22.
Rdd1 e5 23.Nf3 exd4 24.Nxd4 Ree8 25.Bg5 Nd7 26.Qg3 f6 27.Bf4 Ne5 28.h4 Bg7
1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Byrne, Robert"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2520"]
[ECO "C41"]
[EventDate "1972.04.23"]
[PlyCount "36"]

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5 Nc5 6.Bg5 Be7 7.exd6 Qxd6 8.
Qxd6 Bxd6 9.Nc3 a6 10.O-O-O Nc6 11.Bc4 Be6 12.Bxe6 Nxe6 13.Ne4 Be7 14.Bxe7
Kxe7 15.Rhe1 Rad8 16.Nc5 Rxd1+ 17.Kxd1 Rd8+ 18.Kc1 Rd5 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Feuerstein, Arthur William"]
[Black "Martz, William"]
[Result "0-1"]
[ECO "A49"]
[EventDate "1972.04.23"]
[PlyCount "150"]

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c3 g6 6.O-O Bg7 7.Qb3 cxd4 8.Ne5 d5 
9.cxd4 O-O 10.Nc3 e6 11.f4 Nc6 12.e3 Rc8 13.Qd1 Na5 14.g4 Nc4 15.g5 Ne8 
16.Qg4 Ned6 17.h4 Nf5 18.Nxc4 Rxc4 19.h5 Re8 20.Bd2 b5 21.Rfc1 a6 22.Bf1 
Rc8 23.h6 Bf8 24.Bd3 f6 25.gxf6 Qxf6 26.Ne2 Nxh6 27.Qh3 Nf5 28.b4 Nd6 29.
a4 Nc4 30.Bc3 Bc6 31.a5 Bd7 32.Kf2 Re7 33.Rh1 Nd6 34.Rac1 Be8 35.Bd2 Rec7 
36.Rxc7 Rxc7 37.Nc1 Nc4 38.Be1 Nb2 39.Bc3 Nd1+ 40.Rxd1 Rxc3 41.Ne2 Rb3 42.
Rh1 h6 43.Rd1 Rxb4 44.Rc1 Rb3 45.Bc2 Rb2 46.Bd3 Rd2 47.Bb1 b4 48.Ke1 Rb2 
49.Bd3 Bb5 50.Bxb5 axb5 51.Ra1 b3 52.a6 Ra2 53.Rb1 Rxa6 54.Rxb3 b4 55.Kf2 
Ra2 56.Rb1 Qf5 57.Qxf5 exf5 58.Kf3 Kf7 59.Rc1 Bd6 60.Rc6 Ke6 61.Nc1 Ra3 
62.Ke2 Kd7 63.Rc2 g5 64.Nd3 b3 65.Rb2 Ra2 66.fxg5 hxg5 67.Kd1 Rxb2 68.Nxb2
g4 69.Nd3 g3 70.Ne1 Ke6 71.Ng2 Kf6 72.Kd2 Bb4+ 73.Kc1 Bc3 74.Nf4 Kg5 75.
Ne2 g2 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Horowitz, Israel Albert"]
[Black "Evans, Larry Melvyn"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "A21"]
[EventDate "1972.04.23"]
[PlyCount "60"]

1.Nf3 g6 2.c4 Bg7 3.g3 e5 4.Nc3 f5 5.e3 e4 6.Ng1 Nf6 7.d3 exd3 8.Qxd3 d6 
9.Nf3 Nbd7 10.Qc2 Nc5 11.Bg2 Nfe4 12.O-O O-O 13.Bd2 Nxd2 14.Nxd2 c6 15.
Rad1 Be6 16.Nb3 Na6 17.Ne2 Nb4 18.Qd2 Bxc4 19.Qxb4 Bxe2 20.Rxd6 Qb6 21.
Qxb6 axb6 22.Re1 Bc4 23.Rc1 Bf7 24.Rd7 Rxa2 25.Nd4 Rb8 26.b4 Be8 27.Bf1 b5
28.Rc7 Be5 29.Re7 Bf6 30.Re6 Kf7 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Kaufman, Larry"]
[Black "De Fotis, Gregory"]
[Result "0-1"]
[ECO "B53"]
[EventDate "1972.04.23"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qa5+ 6.Nc3 Qxb5 7.Nxb5 Nxd4 8.
Nfxd4 Kd8 9.Be3 Bd7 10.a4 Nf6 11.f3 e6 12.Nxa7 Rxa7 13.Nxe6+ fxe6 14.Bxa7 
d5 15.exd5 exd5 16.Bd4 Bd6 17.O-O Ke7 18.b3 Bf5 19.Rfe1+ Kf7 20.Re2 Rc8 
21.c3 Ne8 22.g3 Nc7 23.Rae1 Bd7 24.Be5 Bf8 25.Kg2 Ne6 26.h3 Nc5 27.Rb1 Re8
28.Re3 Bf5 29.Rd1 Bc2 30.Rxd5 Bxb3 31.Rd4 Bxa4 32.Rf4+ Kg8 33.Bd4 Rc8 34.
Rf5 Nb3 35.Be5 Bc6 36.Re1 Ra8 37.g4 Ra2+ 38.Kg3 Bc5 39.Rd1 Bf2+ 40.Kf4 
Ra4+ 41.Bd4 Bxd4 42.cxd4 Nxd4 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Kavalek, Lubomir"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2520"]
[ECO "C96"]
[EventDate "1972.04.23"]
[PlyCount "45"]

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 Na5 10.Bc2 c6 11.d4 Qc7 12.Nbd2 Re8 13.Nf1 Nc4 14.Ng3 h6 15.b3 Nb6 
16.Nh4 Be6 17.Nhf5 Bf8 18.f4 a5 19.Qf3 Nh7 20.fxe5 dxe5 21.Nh5 Bxf5 22.
exf5 Nd5 23.Bd2 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Popovych, Orest"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[BlackElo "2440"]
[ECO "C35"]
[EventDate "1972.04.23"]
[PlyCount "126"]

1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6 5.e5 Ng4 6.O-O Nc6 7.d4 d5 8.exd6 
Bxd6 9.Qe2+ Qe7 10.Qxe7+ Nxe7 11.Ng5 O-O 12.Bxf4 Nf5 13.Nd2 h6 14.Nxf7 
Rxf7 15.Ne4 Bd7 16.Bxd6 cxd6 17.Bxf7+ Kxf7 18.Nxd6+ Kg6 19.Nxf5 Bxf5 20.c3
Rd8 21.Rae1 Rd7 22.h3 Nf6 23.Rf3 h5 24.b3 h4 25.Re5 Bb1 26.Rf2 Ne4 27.Rf1 
Nxc3 28.Re6+ Kh7 29.Rc1 Rc7 30.Kh2 Bxa2 31.Re3 Nd5 32.Rxc7 Nxc7 33.Re7 Nb5
34.Rxb7 Nxd4 35.Rxa7 Bxb3 36.Rb7 Be6 37.Re7 Kg6 38.Ra7 Nf5 39.Ra6 Kf6 40.
Kg1 Ke5 41.Kf2 Bd5 42.Rg6 Bf7 43.Rg5 Kf6 44.Rg4 g5 45.Ra4 Bd5 46.Ra6+ Ke5 
47.Rg6 Kf4 48.Rf6 Be4 49.Rf8 Bc6 50.Rf6 Bd5 51.Kg1 Bb3 52.Kf2 Bd1 53.Rf8 
Bh5 54.Kg1 Ke5 55.Rg8 Kf6 56.Kf2 Ng3 57.Rf8+ Bf7 58.Kf3 Ke7 59.Rb8 Bd5+ 
60.Kg4 Kf6 61.Rf8+ Kg6 62.Rf6+ Kg7 63.Rg6+ Kxg6 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.11"]
[Round "12"]
[White "Reshevsky, Samuel Herman"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2440"]
[ECO "A16"]
[EventDate "1972.04.23"]
[PlyCount "93"]

1.c4 Nf6 2.g3 c6 3.Bg2 d5 4.Nf3 g6 5.O-O Bg7 6.cxd5 cxd5 7.d3 O-O 8.Nc3 
Nc6 9.Bf4 h6 10.Rc1 e6 11.Na4 Re8 12.Ne5 Nxe5 13.Bxe5 Bd7 14.Nc5 Bc6 15.
Qb3 Re7 16.Rc2 Ne8 17.Bxg7 Nxg7 18.e4 Ne8 19.Rfc1 Nf6 20.Qc3 e5 21.Qe1 
dxe4 22.dxe4 Qb6 23.Qe3 Kg7 24.Qa3 Qd8 25.Qe3 Qb6 26.Qa3 Qd8 27.Qb4 Qb6 
28.Qc3 Rd8 29.Qa3 Ree8 30.Rc3 Rd2 31.Rb3 Qd8 32.Nxb7 Rd1+ 33.Bf1 Bxb7 34.
Rxd1 Qxd1 35.Rxb7 Nxe4 36.Qxa7 Qf3 37.Be2 Qf6 38.Qe3 Nd6 39.Rb6 Qe7 40.Qc5
Rd8 41.a4 Nf5 42.Qxe7 Nxe7 43.a5 Nd5 44.Rb7 Rc8 45.a6 Rc1+ 46.Kg2 Rc2 47.
a7 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "Benko, Pal"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2550"]
[ECO "B07"]
[EventDate "1972.04.23"]
[PlyCount "51"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.c3 Nf6 5.Nbd2 O-O 6.Be2 Re8 7.O-O Nc6 8.b4 e5 
9.b5 exd4 10.cxd4 Nb8 11.Qc2 a6 12.Bb2 axb5 13.Bxb5 Bd7 14.a4 Bc6 15.Rfe1 
Qd7 16.Qb3 Bxb5 17.axb5 Rxa1 18.Bxa1 b6 19.h3 Re7 20.Nf1 Qc8 21.Qd3 Nbd7 
22.Bc3 Qa8 23.Ra1 Qb7 24.Re1 Qa8 25.Qc2 Nf8 26.Qd3 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "Bisguier, Arthur Bernard"]
[Black "Feuerstein, Arthur William"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "B23"]
[EventDate "1972.04.23"]
[PlyCount "93"]

1.e4 c5 2.f4 g6 3.Nf3 Bg7 4.Nc3 Nc6 5.Bb5 Nd4 6.O-O Nxb5 7.Nxb5 a6 8.Nc3 
d6 9.d3 b5 10.Qe1 Bb7 11.Bd2 b4 12.Nd1 a5 13.Rb1 e6 14.f5 gxf5 15.exf5 e5 
16.Qg3 Bf6 17.Nf2 Qe7 18.Ne4 h6 19.a3 Bxe4 20.dxe4 Qb7 21.Rfe1 Ne7 22.Qf2 
b3 23.cxb3 Qxb3 24.Bc3 Qb5 25.Qd2 Ra6 26.Rbd1 c4 27.Kh1 Kf8 28.Qe2 Rc6 29.
Rd2 Qa6 30.Red1 Qb6 31.Qe1 Qc5 32.Qg3 Rg8 33.Qh3 Rh8 34.Qh5 Kg7 35.Re2 Qb6
36.h3 Qb3 37.Rdd2 Qb6 38.Nh2 Bg5 39.Ng4 f6 40.Rd1 Qb3 41.Rde1 Qb8 42.h4 d5
43.Nxe5 fxe5 44.exd5 Nxf5 45.Qg4 Rg6 46.Bxe5+ Bf6 47.Bxf6+ 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "De Fotis, Gregory"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[BlackElo "2510"]
[ECO "D11"]
[EventDate "1972.04.23"]
[PlyCount "50"]

1.d4 Nf6 2.g3 d5 3.Bg2 c6 4.Nf3 Bf5 5.O-O e6 6.c4 Be7 7.Nc3 h6 8.Nd2 O-O 
9.e4 dxe4 10.Ndxe4 Nxe4 11.Nxe4 Nd7 12.Be3 Nf6 13.Nc3 Qb6 14.Na4 Qb4 15.
Rc1 Rac8 16.a3 Qa5 17.h3 b5 18.Nc5 bxc4 19.Rxc4 Nd5 20.Qc1 Qc7 21.Bd2 Rfd8
22.Re1 Bf6 23.Ne4 Be7 24.Nc5 Bf6 25.Ne4 Be7 1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "Evans, Larry Melvyn"]
[Black "Popovych, Orest"]
[Result "1-0"]
[WhiteElo "2550"]
[ECO "E91"]
[EventDate "1972.04.23"]
[PlyCount "113"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 Bg4 7.O-O Nfd7 8.Be3 e5
9.d5 Bxf3 10.Bxf3 f5 11.b4 a5 12.a3 Na6 13.Qb3 Kh8 14.Be2 f4 15.Bd2 Nf6 
16.f3 Rg8 17.Na4 axb4 18.axb4 Bf8 19.Qc3 g5 20.c5 dxc5 21.b5 Nb8 22.Qxe5 
Nd7 23.Qf5 Rg6 24.Bc3 Bg7 25.Rfd1 Qe7 26.e5 Ng8 27.e6 Bxc3 28.Nxc3 Rf8 29.
Qc2 Ndf6 30.h3 b6 31.Bc4 Rg7 32.Ne4 Nxe4 33.Qxe4 Nf6 34.Qe5 Ne8 35.Ra4 Nd6
36.Bd3 Kg8 37.Rda1 Qf6 38.Qxf6 Rxf6 39.Kf2 Re7 40.h4 h6 41.hxg5 hxg5 42.
Rh1 Rf8 43.Rh5 Rg7 44.g3 fxg3+ 45.Kxg3 Rd8 46.Rg4 Kf8 47.Rhxg5 Rxg5 48.
Rxg5 c4 49.Bh7 Nxb5 50.Kf4 c6 51.dxc6 Nd4 52.c7 Nxe6+ 53.Ke5 Nxc7 54.Rg8+ 
Ke7 55.Rg7+ Kf8 56.Rxc7 b5 57.Rb7 1-0

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "Lombardy, William James"]
[Black "Horowitz, Israel Albert"]
[Result "0-1"]
[WhiteElo "2520"]
[ECO "A28"]
[EventDate "1972.04.23"]
[PlyCount "80"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 d5 5.cxd5 Nxd5 6.Qc2 Be7 7.a3 O-O 8.d3 a5
9.Bd2 Be6 10.Rc1 f5 11.Be2 Qe8 12.O-O Qg6 13.Kh1 Rad8 14.Nb5 Rd7 15.g3 Kh8
16.d4 exd4 17.Nbxd4 Nxd4 18.exd4 Bf6 19.Bxa5 Ne7 20.Ne5 Bxe5 21.dxe5 Qh6 
22.Rcd1 Bd5+ 23.Kg1 f4 24.Bg4 fxg3 25.f3 Bb3 26.Rxd7 Bxc2 27.hxg3 Qe3+ 28.
Kg2 Bf5 29.Re1 Qb3 30.Rxe7 Bxg4 31.fxg4 Qd5+ 32.Kh3 Qxa5 33.Rd1 Qc5 34.
Rdd7 Qg1 35.g5 Qf1+ 36.Kh4 Qh1+ 37.Kg4 Qf3+ 38.Kh4 Qe4+ 39.Kh3 Qg6 40.Rxc7
Qxg5 0-1

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "Martz, William"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[BlackElo "2550"]
[ECO "E79"]
[EventDate "1972.04.23"]
[PlyCount "93"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.f4 c5 7.Nf3 cxd4 8.Nxd4 Nc6
9.Be3 Ng4 10.Bxg4 Bxd4 11.Bxd4 Bxg4 12.Qxg4 Nxd4 13.Qd1 e5 14.O-O Rc8 15.
b3 a6 16.Ne2 Nxe2+ 17.Qxe2 exf4 18.Rxf4 Qg5 19.Qf2 b5 20.cxb5 axb5 21.Rf1 
Rc7 22.h3 Qc5 23.Kh1 Ra7 24.Rf6 Qxf2 25.R1xf2 Rfa8 26.Rxd6 Rxa2 27.Rxa2 
Rxa2 28.Rd5 Re2 29.Rxb5 Rxe4 30.Kh2 Re3 31.Kg1 Kg7 32.Kf2 Rc3 33.Rb6 g5 
34.b4 Rb3 35.b5 h5 36.g3 Rb2+ 37.Kg1 Rb4 38.Kg2 h4 39.gxh4 Rxh4 40.Rc6 Rb4
41.b6 f6 42.Rc7+ Kg6 43.b7 Rb3 44.Kf2 Kf5 45.Kg2 Ke5 46.Kf2 f5 47.Kg2 
1/2-1/2

[Event "21st USA-Ch"]
[Site "New York USA"]
[Date "1972.05.14"]
[Round "13"]
[White "Mednis, Edmar John"]
[Black "Kaufman, Larry"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[ECO "B92"]
[EventDate "1972.04.23"]
[PlyCount "46"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.Be3 
Be6 9.O-O Nbd7 10.f4 Qc7 11.f5 Bc4 12.a4 O-O 13.a5 b5 14.axb6 Nxb6 15.Kh1 
Rfb8 16.Na5 d5 17.Bxb6 Rxb6 18.Nxc4 dxc4 19.Nd5 Nxd5 20.Qxd5 Rd8 21.Qxc4 
Rc6 22.Qb3 Rxc2 23.Bh5 Qc4 1/2-1/2

