[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.09"]
[Round "1"]
[White "Browne, Walter Shawn"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1973.09.09"]
[PlyCount "95"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6 7.h3 e5 8.dxe5 
Nxe5 9.Nxe5 dxe5 10.Bc4 c6 11.a4 Nh5 12.Qxd8 Rxd8 13.Be3 Nf4 14.Rfd1 Re8 
15.a5 Ne6 16.Na4 Bf8 17.c3 Be7 18.b4 Kg7 19.Ra2 Rd8 20.Rxd8 Bxd8 21.Rd2 
Be7 22.Nc5 Nxc5 23.Bxc5 Kf6 24.Rd3 Bxc5 25.Rf3+ Kg5 26.bxc5 f5 27.Rd3 fxe4
28.Rd8 Kf6 29.Re8 h5 30.Be6 Bxe6 31.Rxa8 Bc4 32.Rxa7 Ba6 33.Ra8 g5 34.g3 
Bc4 35.Rh8 Kg6 36.Rf8 Ba6 37.g4 hxg4 38.hxg4 Be2 39.Rf5 Bxg4 40.Rxe5 Be2 
41.Rxe4 Bd3 42.Re7 Ba6 43.Kg2 Kf6 44.Re4 Bd3 45.Rb4 Ba6 46.Kg3 Kf5 47.f3 
Kg6 48.Kg4 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.09"]
[Round "1"]
[White "Byrne, Donald"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A22"]
[EventDate "1973.09.09"]
[PlyCount "44"]

1.g3 e5 2.c4 Nf6 3.Nc3 Bb4 4.Bg2 O-O 5.Qc2 Nc6 6.Nf3 Re8 7.O-O e4 8.Ng5 
Nd4 9.Qd1 Bxc3 10.bxc3 Nc6 11.f3 exf3 12.Nxf3 Qe7 13.e3 d6 14.Nd4 Ne5 15.
d3 c6 16.e4 h6 17.h3 d5 18.exd5 cxd5 19.cxd5 Qc5 20.Rb1 Bd7 21.Qb3 Nxd3 
22.Ba3 Qc8 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.09"]
[Round "1"]
[White "Tarjan, James Edward"]
[Black "Gilden, Lawrence C"]
[Result "1-0"]
[ECO "B93"]
[EventDate "1973.09.09"]
[PlyCount "69"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Nf6 6.f4 e5 7.Nf3 Qc7 8.Bd3 Be7
9.O-O O-O 10.Qe1 b5 11.Kh1 Bb7 12.fxe5 dxe5 13.Nh4 b4 14.Nd1 Kh8 15.Nf5 
Ng8 16.Nde3 Bc5 17.Nd5 Bxd5 18.exd5 Nd7 19.Nxg7 Kxg7 20.Qg3+ Kh8 21.Bxh7 
f5 22.Bxg8 f4 23.Qg6 Nf6 24.Rf3 Rxg8 25.Qxf6+ Rg7 26.Bd2 Rf8 27.Rh3+ Kg8 
28.Qe6+ Rff7 29.Re1 Bd6 30.Rh6 Qxc2 31.Rc1 Qf5 32.Rc8+ Bf8 33.Rxf8+ Kxf8 
34.Rh8+ Rg8 35.Bxb4+ 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.09"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Kane, George"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1973.09.09"]
[PlyCount "89"]

1.Nf3 c5 2.c4 Nf6 3.g3 g6 4.b3 Bg7 5.Bb2 b6 6.Bg2 Bb7 7.O-O O-O 8.d4 cxd4 
9.Qxd4 Nc6 10.Qf4 Qb8 11.Qc1 d5 12.cxd5 Nxd5 13.Bxg7 Kxg7 14.Nc3 Nxc3 15.
Qxc3+ Kg8 16.Rfd1 Rd8 17.Ng5 Na5 18.Rxd8+ Qxd8 19.Bxb7 Nxb7 20.Nxf7 Kxf7 
21.Qf3+ Kg8 22.Qxb7 Rc8 23.Qxa7 Qd4 24.Rf1 Kf7 25.e3 Qd6 26.Qb7 Rc6 27.b4 
Kg7 28.a3 Rc3 29.Qa6 h5 30.Qe2 Rd3 31.Rc1 Qd5 32.h4 Rd2 33.Qf1 Kh7 34.Qg2 
Qf5 35.Rf1 Rd3 36.Qb7 Qe6 37.Qa6 Qd6 38.Qa8 Qf6 39.a4 Rb3 40.b5 Ra3 41.Qe4
Ra2 42.Qc4 Rd2 43.Qf4 Qe6 44.Rc1 Qd5 45.e4 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.09"]
[Round "1"]
[White "Grefe, John"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "C68"]
[EventDate "1973.09.09"]
[PlyCount "59"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.c3 Ne7 7.d4 f6 8.Be3 
Ng6 9.Nbd2 Be7 10.Qb3 b6 11.Rfd1 Qe6 12.c4 c5 13.dxc5 Bxc5 14.Bxc5 bxc5 
15.Qe3 Rb8 16.Rab1 Qc6 17.Nb3 Rb4 18.a3 Rxc4 19.Na5 Qxe4 20.Nxc4 Qxc4 21.
Rbc1 Qg4 22.h3 Qa4 23.Qxc5 Nf4 24.Rd8+ Kxd8 25.Qxc7+ Ke8 26.Qxc8+ Ke7 27.
Qb7+ Kd6 28.Qc7+ Kd5 29.Rc5+ Ke6 30.Rc6+ 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.09"]
[Round "1"]
[White "Evans, Larry Melvyn"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "B81"]
[EventDate "1973.09.09"]
[PlyCount "45"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 Be7 7.g5 Nfd7 8.h4 Nc6
9.Be3 Nb6 10.Qe2 Nxd4 11.Bxd4 e5 12.Bxb6 Qxb6 13.O-O-O Be6 14.Bh3 Qc6 15.
Bxe6 fxe6 16.Qg4 Qc4 17.Rd3 O-O 18.b3 Qc8 19.f3 Rf4 20.Qh3 Rf7 21.Rg1 Bf8 
22.Rg2 Rc7 23.Nd1 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.10"]
[Round "2"]
[White "Karklins, Andrew"]
[Black "Evans, Larry Melvyn"]
[Result "1-0"]
[ECO "B43"]
[EventDate "1973.09.09"]
[PlyCount "53"]

1.e4 c5 2.Nf3 a6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 b5 6.Bd3 Bb7 7.O-O Nc6 8.Nxc6 
Bxc6 9.Qe2 d6 10.a4 b4 11.Nd5 a5 12.Bb5 Rc8 13.c3 bxc3 14.Ra3 Ne7 15.Rxc3 
exd5 16.Rxc6 Nxc6 17.Bxc6+ Rxc6 18.exd5+ Be7 19.dxc6 O-O 20.Bd2 Bf6 21.Qb5
Qa8 22.Rc1 Rc8 23.Qb7 Bd4 24.Qxa8 Rxa8 25.c7 Rc8 26.Bxa5 Kf8 27.Rc4 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.10"]
[Round "2"]
[White "Kane, George"]
[Black "Grefe, John"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1973.09.09"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 6.Nf3 O-O 7.Be2 Nbd7 8.O-O Kh8 
9.Be3 Ne8 10.Qd2 g6 11.Ne1 Ng7 12.f4 f5 13.Nf3 Bf6 14.Bd3 exf4 15.Bxf4 Ne5
16.Nxe5 dxe5 17.Be3 Be7 18.exf5 gxf5 19.Bh6 a6 20.Rf2 e4 21.Bc2 Bf6 22.
Raf1 b6 23.Kh1 Ra7 24.g4 Raf7 25.gxf5 Bh4 26.Rf4 Bxf5 27.Bxe4 Bg5 28.Bxg5 
Qxg5 29.Bxf5 Nxf5 30.Ne4 Qg7 31.Qf2 Nd6 32.Rxf7 Rxf7 33.Nxd6 Rxf2 34.Rxf2 
Qe7 35.Nf7+ Kg7 36.b3 h5 37.Ng5 Qe1+ 38.Kg2 h4 39.Ne6+ Kh7 40.Ng5+ Kg6 
1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.10"]
[Round "2"]
[White "Gilden, Lawrence C"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "B80"]
[EventDate "1973.09.09"]
[PlyCount "138"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.g3 Nf6 7.Bg2 Bd7 8.O-O 
Be7 9.Ndb5 Qb8 10.Bg5 a6 11.Bxf6 gxf6 12.Nd4 Nxd4 13.Qxd4 Qa7 14.Qxa7 Rxa7
15.a4 Bd8 16.a5 Ke7 17.Nd1 b6 18.axb6 Bxb6 19.Re1 Rc8 20.Re2 a5 21.Rd2 a4 
22.c3 Bc6 23.Kf1 Rb8 24.f3 Bc5 25.Ke1 Rb3 26.Bf1 d5 27.exd5 Bxd5 28.f4 a3 
29.bxa3 Rbxa3 30.Rxa3 Rxa3 31.Bg2 Bb3 32.Be4 f5 33.Bc2 Ba2 34.Ke2 Bb6 35.
Bd3 Ba5 36.Rc2 Bb3 37.Rb2 Bxd1+ 38.Kxd1 Bxc3 39.Rb7+ Kf6 40.Bc2 Bd4 41.Rb3
Ra2 42.Kd2 Bg1 43.h3 h5 44.h4 Bc5 45.Rb5 Bf2 46.Rb3 Kg6 47.Rf3 Bb6 48.Kc1 
Bc5 49.Rb3 Ra1+ 50.Bb1 Kf6 51.Rd3 Bg1 52.Rb3 Bh2 53.Kd2 Bxg3 54.Rxg3 Rxb1 
55.Rg5 Rh1 56.Rxh5 Kg6 57.Rh8 Kg7 58.Ra8 Rxh4 59.Ke3 Rh3+ 60.Kf2 Rb3 61.
Kg2 Re3 62.Kf2 Re4 63.Kg3 f6 64.Kf3 e5 65.fxe5 fxe5 66.Ra6 Kf7 67.Ra7+ Kf6
68.Ra6+ Kg5 69.Re6 Rf4+ 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.10"]
[Round "2"]
[White "Bisguier, Arthur Bernard"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[ECO "D00"]
[EventDate "1973.09.09"]
[PlyCount "118"]

1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.Nb5 Na6 6.e3 O-O 7.Be2 c6 8.Nc3 Qb6
9.Rb1 Bf5 10.O-O Nb4 11.Ne1 a5 12.a3 Na6 13.Nd3 Qd8 14.b4 axb4 15.axb4 b5 
16.Ne5 Qb6 17.Bd3 Bxd3 18.cxd3 Ra7 19.Qc2 Nh5 20.Ne2 Rc7 21.Rfc1 Nxf4 22.
Nxf4 e6 23.Ne2 Ra8 24.Rb2 Bf8 25.Rcb1 Nb8 26.f4 Rca7 27.Nc3 Bd6 28.Nf3 Nd7
29.Ne5 Nxe5 30.fxe5 Be7 31.h3 Kg7 32.Kh1 Ra3 33.Rf1 Ra1 34.Nd1 Rf8 35.Qc3 
Ra4 36.e4 Qa6 37.Ne3 Ra1 38.Rf2 Rxf1+ 39.Rxf1 h5 40.Nc2 Qb7 41.Ra1 Ra8 42.
Rxa8 Qxa8 43.Kg1 Qa2 44.Qxc6 Qb1+ 45.Kf2 Qh1 46.exd5 Bh4+ 47.g3 Qh2+ 48.
Ke1 Bxg3+ 49.Kd1 Bf4 50.Qc3 exd5 51.Na3 g5 52.Nxb5 g4 53.hxg4 hxg4 54.Nd6 
Kg6 55.Ne8 Kg5 56.b5 g3 57.Qb4 g2 58.Qe7+ Kg4 59.Qd7+ Kg3 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.10"]
[Round "2"]
[White "Mednis, Edmar John"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B39"]
[EventDate "1973.09.09"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 
Nxd4 9.Qd1 Ne6 10.Rc1 Qa5 11.Bd3 d6 12.O-O O-O 13.Bb1 Bd7 14.f4 Nc5 15.Nd5
Qd8 16.e5 Bc6 17.Nc3 a5 18.Rf2 Qb8 19.exd6 exd6 20.Bd4 Qd8 21.Bxg7 Kxg7 
22.f5 Qg5 23.Qd4+ Kg8 24.Rcf1 Rad8 25.Nd5 Bxd5 26.Qxd5 Qe3 27.fxg6 hxg6 
28.Bxg6 Kg7 29.Bc2 f5 30.Qf3 Qxf3 31.Rxf3 Rde8 32.Bxf5 Re2 33.R3f2 Rxf2 
34.Rxf2 Re8 35.g4 Re1+ 36.Kg2 Na4 37.h4 Ra1 38.g5 Rxa2 39.h5 Rxb2 40.h6+ 
Kh8 41.Rxb2 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.10"]
[Round "2"]
[White "Martz, William"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1973.09.09"]
[PlyCount "116"]

1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.Nc3 O-O 5.g3 c5 6.Bg2 cxd4 7.Nxd4 Nc6 8.Nc2 
d6 9.O-O Nd7 10.Bd2 a5 11.Qc1 Re8 12.Rb1 Nc5 13.Nd5 e6 14.Nf4 Bd7 15.Nd3 
Nxd3 16.exd3 Ne5 17.Ne1 Bc6 18.Bc3 Bxg2 19.Kxg2 Qb6 20.Qe3 Qc6+ 21.f3 b5 
22.Bxe5 Bxe5 23.b3 a4 24.Rf2 axb3 25.axb3 Bg7 26.Nc2 d5 27.Nd4 Qc5 28.Nc2 
Qc7 29.Nd4 bxc4 30.bxc4 Qa7 31.Nc2 dxc4 32.Qxa7 Rxa7 33.dxc4 Rc8 34.Ne3 
Bd4 35.Rb3 Rca8 36.Rd3 Bc5 37.f4 Ra3 38.Rxa3 Rxa3 39.Nc2 Rc3 40.Re2 Rxc4 
41.Ne1 Rc3 42.Rc2 Rxc2+ 43.Nxc2 Kf8 44.Ne1 Ke7 45.Nf3 f6 46.Nd2 Bd4 47.Kf3
Kd6 48.g4 f5 49.gxf5 gxf5 50.Nf1 Kd5 51.Nd2 Bc3 52.Nf1 Kd4 53.h3 h5 54.Ng3
h4 55.Ne2+ Kd3 56.Nc1+ Kc2 57.Ne2 Kd2 58.Kf2 Bb4 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.11"]
[Round "3"]
[White "Byrne, Donald"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1973.09.09"]
[PlyCount "81"]

1.g3 d5 2.Nf3 c6 3.Bg2 Bg4 4.b3 Nd7 5.Bb2 Ngf6 6.O-O e6 7.d3 Bd6 8.c4 O-O 
9.Nc3 Qe7 10.h3 Bxf3 11.Bxf3 Ba3 12.Qc1 Bxb2 13.Qxb2 d4 14.Nb1 e5 15.b4 c5
16.bxc5 Nxc5 17.Nd2 Rad8 18.Qa3 b6 19.Nb3 Rc8 20.Bg2 Rc7 21.Rab1 Rd8 22.
Nxc5 Rxc5 23.Rb5 Rdc8 24.Rfb1 Kf8 25.Qa6 R8c7 26.Rxc5 Rxc5 27.Rb5 Rxb5 28.
cxb5 Qc7 29.Bb7 Qb8 30.Qa3+ Kg8 31.Qe7 Qe8 32.Qc7 Qxb5 33.Bc6 Qb1+ 34.Kg2 
h6 35.Qxa7 Qc2 36.Bb5 Qc5 37.Bc4 Qc6+ 38.Kh2 Nd7 39.a4 Qf6 40.f4 Nf8 41.
Qb8 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.11"]
[Round "3"]
[White "Tarjan, James Edward"]
[Black "Mednis, Edmar John"]
[Result "0-1"]
[ECO "B50"]
[EventDate "1973.09.09"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.e5 dxe5 5.Nxe5 a6 6.Be2 e6 7.O-O Qc7 8.Nc4 b5
9.Ne3 Bd6 10.h3 Nc6 11.a4 b4 12.Nb1 Bb7 13.d3 Nd4 14.Nd2 O-O 15.Nf3 Nxe2+ 
16.Qxe2 Rfe8 17.Nc4 e5 18.Ng5 e4 19.Nxd6 Qxd6 20.Nxe4 Nxe4 21.dxe4 Bxe4 
22.Be3 Qc6 23.Qg4 Re6 24.f3 Bxc2 25.Qg5 Rc8 26.Rac1 b3 27.Rfe1 h6 28.Qf4 
Qd5 29.Bd2 Qd4+ 30.Qxd4 cxd4 31.Rxe6 fxe6 32.Kf2 Rc4 33.a5 Ra4 34.Re1 Kf7 
35.g4 Ra2 36.Bc1 Rxa5 37.f4 Ra1 38.Bd2 Ra2 39.Bc1 a5 40.Kf3 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.11"]
[Round "3"]
[White "Kavalek, Lubomir"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1973.09.09"]
[PlyCount "118"]

1.Nf3 d5 2.g3 Nc6 3.Bg2 e5 4.d3 Nge7 5.O-O g6 6.c4 dxc4 7.Qa4 Bg7 8.Qxc4 
O-O 9.Nc3 h6 10.Bd2 Be6 11.Qa4 Nd4 12.Rfc1 a5 13.Qd1 Re8 14.Ne1 c6 15.e3 
Ndf5 16.a3 Nd6 17.Na4 f5 18.b4 axb4 19.axb4 Bd5 20.Bxd5+ Nxd5 21.Qb3 Kh7 
22.Nc5 e4 23.Rab1 Qe7 24.Na4 Nb5 25.Rc2 Red8 26.Ra2 exd3 27.Nxd3 Rxa4 28.
Rxa4 Ndc3 29.Bxc3 Rxd3 30.Ra8 Bf8 31.Rc1 Nc7 32.Rb8 Nd5 33.Qc4 Rxe3 34.
fxe3 Qxe3+ 35.Kg2 Qxc1 36.Rxf8 Qc2+ 37.Kh3 g5 38.Rh8+ Kg6 39.Rxh6+ Kxh6 
40.Bg7+ Kh5 41.Qxc2 g4+ 42.Kg2 Ne3+ 43.Kf2 Nxc2 44.Bc3 Kg6 45.Ke2 Kf7 46.
Kd3 Na3 47.Bb2 Nb5 48.Kc4 b6 49.Be5 Ke6 50.Bf4 Nd6+ 51.Kd4 Ne8 52.Kc4 Nf6 
53.b5 Nd5 54.Bb8 cxb5+ 55.Kxb5 Ne3 56.Kxb6 Kd5 57.Kc7 Nf1 58.Kd7 Nxh2 59.
Ke7 Ke4 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.11"]
[Round "3"]
[White "Grefe, John"]
[Black "Gilden, Lawrence C"]
[Result "1-0"]
[ECO "B97"]
[EventDate "1973.09.09"]
[PlyCount "49"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 
Nbd7 9.O-O-O Qc5 10.Bxf6 Nxf6 11.e5 dxe5 12.Nf3 Nd7 13.fxe5 Qa5 14.Qg5 h6 
15.Qg3 g5 16.h4 g4 17.Qxg4 h5 18.Qg3 b5 19.Kb1 Bb7 20.Bd3 Rc8 21.Ng5 b4 
22.Qf4 Nxe5 23.Rhe1 Bg7 24.Rxe5 Qc7 25.Rxe6+ 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.11"]
[Round "3"]
[White "Evans, Larry Melvyn"]
[Black "Kane, George"]
[Result "1-0"]
[ECO "A79"]
[EventDate "1973.09.09"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 
9.O-O Re8 10.Nd2 Na6 11.f3 Nc7 12.a4 b6 13.Nc4 Ba6 14.Bg5 Qd7 15.Rb1 Bxc4 
16.Bxc4 a6 17.b4 b5 18.axb5 axb5 19.Bd3 c4 20.Bc2 Ra3 21.Ne2 Ra2 22.Kh1 
Na8 23.Bc1 Nb6 24.Nc3 Ra6 25.Bb2 Qb7 26.f4 Nbd7 27.Qf3 h5 28.Rbe1 Nh7 29.
h3 Qb8 30.Re2 Qd8 31.Bb1 Qb8 32.g4 hxg4 33.hxg4 g5 34.Rh2 Nhf8 35.e5 gxf4 
36.Qxf4 Nxe5 37.Ne4 Nfd7 38.Bxe5 Nxe5 39.Nf6+ Kf8 40.Nd7+ 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.11"]
[Round "3"]
[White "Benko, Pal"]
[Black "Karklins, Andrew"]
[Result "1/2-1/2"]
[ECO "A53"]
[EventDate "1973.09.09"]
[PlyCount "84"]

1.Nf3 Nf6 2.c4 d6 3.d4 Bg4 4.e3 Nbd7 5.Be2 e5 6.Nc3 Be7 7.O-O O-O 8.e4 
Bxf3 9.Bxf3 Ne8 10.b3 exd4 11.Qxd4 Bf6 12.Qd2 Ne5 13.Be2 c5 14.Bb2 Nc6 15.
Rad1 a6 16.f4 Bd4+ 17.Kh1 Nf6 18.Bf3 Re8 19.Rfe1 Qa5 20.g4 h6 21.h4 Rab8 
22.g5 hxg5 23.hxg5 Nd7 24.Ne2 Bxb2 25.Qxb2 Nf8 26.Qd2 Rbd8 27.Qxa5 Nxa5 
28.Rd2 Ng6 29.Kg2 b5 30.cxb5 axb5 31.Kg3 Ne7 32.Red1 c4 33.b4 Nac6 34.Rb2 
d5 35.exd5 Nf5+ 36.Kf2 Nce7 37.Nc3 Nd6 38.a4 bxa4 39.Nxa4 Nef5 40.Nc3 Re3 
41.Rc1 Ra8 42.Re2 Rxe2+ 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.13"]
[Round "4"]
[White "Kane, George"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "D86"]
[EventDate "1973.09.09"]
[PlyCount "52"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 b6 8.Qf3 
O-O 9.e5 Ba6 10.Qxa8 Bxc4 11.Qf3 f6 12.e6 Qd6 13.Ne2 Qxe6 14.Be3 f5 15.O-O
Bxe2 16.Qxe2 f4 17.d5 Qe5 18.Qc4 b5 19.Qxb5 fxe3 20.fxe3 Rd8 21.Rab1 Nd7 
22.c4 Qxe3+ 23.Kh1 Be5 24.Rb3 Qd4 25.Rbf3 Bd6 26.Qb3 Rb8 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.13"]
[Round "4"]
[White "Gilden, Lawrence C"]
[Black "Evans, Larry Melvyn"]
[Result "0-1"]
[ECO "B43"]
[EventDate "1973.09.09"]
[PlyCount "138"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Re1 d6 10.a4 Nc6 11.Nb3 b6 12.g4 Bb7 13.g5 Nd7 14.f4 Rfe8 15.Be3 Bf8
16.Bf2 Nb4 17.Qd2 Rac8 18.a5 bxa5 19.Nxa5 Ba8 20.Nb5 axb5 21.Qxb4 d5 22.
Qxb5 Rb8 23.Qd3 Bb4 24.Nb3 Bxe1 25.Rxe1 dxe4 26.Bxe4 Bxe4 27.Qxe4 Rec8 28.
Re2 Qc4 29.Qf3 Nf8 30.Bg3 Rb5 31.h4 Rd5 32.h5 Rcd8 33.Kf2 Rd1 34.h6 Ng6 
35.hxg7 Ne7 36.Qe4 Qxe4 37.Rxe4 Nf5 38.Kg2 Rb1 39.Bf2 Rxb2 40.Rc4 Kxg7 41.
Kf3 Kg6 42.Rc7 Ra8 43.Nc1 Rab8 44.Nd3 R2b7 45.Ne5+ Kg7 46.Rc4 h6 47.gxh6+ 
Kxh6 48.Rc6 Kg7 49.Nd3 Rd8 50.Rc4 Rdd7 51.Ra4 Rbc7 52.Ra2 Nd4+ 53.Bxd4+ 
Rxd4 54.Ke3 Rdc4 55.Ne1 Kf6 56.Rb2 Kf5 57.Rb5+ R4c5 58.Rb8 Rc3+ 59.Nd3 
Rxc2 60.Rb5+ Kf6 61.Ne5 R2c3+ 62.Ke4 Ra3 63.Rb4 Rca7 64.Ng4+ Ke7 65.Ne3 
R7a4 66.Rxa4 Rxa4+ 67.Kf3 Kd6 68.Nd1 Ra3+ 69.Ke4 f5+ 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.13"]
[Round "4"]
[White "Bisguier, Arthur Bernard"]
[Black "Grefe, John"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1973.09.09"]
[PlyCount "72"]

1.c4 g6 2.e4 Bg7 3.d4 d6 4.Nc3 e5 5.Nf3 Nd7 6.g3 Ngf6 7.Bg2 O-O 8.O-O c6 
9.b3 Re8 10.Bb2 exd4 11.Nxd4 Nc5 12.Qc2 a5 13.Rad1 Qb6 14.Nde2 a4 15.Nxa4 
Nxa4 16.bxa4 Qb4 17.a3 Qxa4 18.Qc1 Qb3 19.Nf4 Ra4 20.Qa1 Nh5 21.Bxg7 Nxg7 
22.Rxd6 Rxa3 23.Rd3 Rxa1 24.Rxb3 Ra4 25.Rc1 Rd8 26.Bf1 Kf8 27.f3 Ke7 28.
Rd3 Rxd3 29.Nxd3 Ne6 30.Bh3 Ra3 31.Ne1 Nd4 32.Rd1 Ne2+ 33.Kg2 Ra2 34.Bxc8 
Nc3+ 35.Kg1 Nxd1 36.Bxb7 Kd7 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.13"]
[Round "4"]
[White "Mednis, Edmar John"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "B52"]
[EventDate "1973.09.09"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 e5 6.Nc3 Nc6 7.Nd5 Nge7 8.d3
Nxd5 9.cxd5 Nb4 10.a3 Na6 11.Nd2 Be7 12.Nc4 O-O 13.O-O f5 14.Bd2 f4 15.f3 
b5 16.Na5 Bd8 17.Nc6 Bb6 18.Kh1 Nb8 19.Nxb8 Raxb8 20.Be1 c4 21.Bf2 Bxf2 
22.Rxf2 cxd3 23.Rd2 Rfc8 24.Rxd3 b4 25.axb4 Rxb4 26.b3 Rb7 27.h3 Rbc7 28.
Kh2 h5 29.Rd2 Rc3 30.Rda2 R8c7 31.b4 Kh7 32.Qe1 R3c4 33.Qh4 Kh6 34.Qf2 Rd4
35.Ra6 g6 36.Qa2 Qc8 37.Qa4 Rc2 38.Rc6 Rxg2+ 39.Kxg2 Rd2+ 40.Kf1 Qxh3+ 41.
Ke1 Qg2 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.13"]
[Round "4"]
[White "Martz, William"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "A31"]
[EventDate "1973.09.09"]
[PlyCount "120"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 b6 5.f3 Bb7 6.e4 e6 7.Nc3 d6 8.Be2 Be7 
9.O-O O-O 10.b3 Nc6 11.Nxc6 Bxc6 12.Bb2 a6 13.Kh1 Qb8 14.Bd3 b5 15.Qe2 b4 
16.Nd1 Nd7 17.Rc1 a5 18.Ne3 a4 19.Bb1 axb3 20.axb3 Nc5 21.Qc2 Bg5 22.Rce1 
e5 23.Nd5 Bxd5 24.exd5 g6 25.g3 f5 26.f4 exf4 27.gxf4 Bf6 28.Bxf6 Rxf6 29.
Re3 Rf7 30.Rfe1 Qd8 31.Qd2 Rb7 32.R1e2 Qf6 33.Qe1 Ra1 34.Ra2 Rxa2 35.Bxa2 
Kf7 36.Bb1 Qd4 37.Qg3 Ra7 38.Re1 Qf6 39.Qe3 Ra8 40.Qd2 Rb8 41.Bc2 Qc3 42.
Qxc3 bxc3 43.Ra1 Rb7 44.Kg2 Nxb3 45.Bxb3 Rxb3 46.Rc1 Ke7 47.Kf2 Kd7 48.Ke2
Kc7 49.Rc2 Kb6 50.Kd3 Kc5 51.Rxc3 Rb2 52.Ra3 Rxh2 53.Ra5+ Kb6 54.Rb5+ Kc7 
55.Ra5 Rb2 56.Kd4 Rb7 57.Ra8 Rb3 58.Ra7+ Rb7 59.Ra8 Rb8 60.Ra7+ Rb7 
1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.13"]
[Round "4"]
[White "Browne, Walter Shawn"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B77"]
[EventDate "1973.09.09"]
[PlyCount "83"]

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.Bc4 a5 10.a4 Bd7 11.Bb3 Qc8 12.Ndb5 Ne5 13.Qe2 Be6 14.Nd5 Bxd5 15.
exd5 Ned7 16.O-O-O Re8 17.Rd3 b6 18.Kb1 Nc5 19.Bxc5 bxc5 20.Re3 Bf8 21.g4 
Qb7 22.g5 c4 23.Bxc4 Nxd5 24.Bxd5 Qxd5 25.Nc7 Qxg5 26.Nxe8 Rxe8 27.Rb3 Bg7
28.Rb5 Qf4 29.Rxa5 Bf6 30.Qe4 Qd2 31.Ra8 Rxa8 32.Qxa8+ Kg7 33.Qe4 e6 34.
Qd3 Qf4 35.a5 Bd4 36.c3 Ba7 37.b4 d5 38.Kb2 h5 39.b5 Qa4 40.b6 Qxa5 41.
bxa7 Qb6+ 42.Kc2 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.14"]
[Round "5"]
[White "Tarjan, James Edward"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[ECO "B98"]
[EventDate "1973.09.09"]
[PlyCount "59"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 
9.Bh4 Nbd7 10.O-O-O Qc7 11.Be2 Rb8 12.Qg3 Rg8 13.Rhe1 g5 14.fxg5 Ne5 15.
Nf3 Nh5 16.Qf2 Ng4 17.Qd4 hxg5 18.Bxg5 Bxg5+ 19.Nxg5 Rxg5 20.Qh8+ Ke7 21.
Bxg4 Bd7 22.Qh6 Rxg4 23.Qxh5 Rbg8 24.g3 Qc5 25.Qxc5 dxc5 26.Rd2 b5 27.Nd1 
Bc6 28.Nf2 R4g5 29.Nd3 c4 30.Nf4 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.14"]
[Round "5"]
[White "Kavalek, Lubomir"]
[Black "Martz, William"]
[Result "1-0"]
[ECO "B05"]
[EventDate "1973.09.09"]
[PlyCount "81"]

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.Nc3 O-O 10.Be3 d5 11.c5 N6d7 12.b4 b6 13.Rc1 c6 14.Na4 a5 15.g4 Bg6 16.
b5 bxc5 17.dxc5 Be4 18.Nd4 g5 19.f3 Bg6 20.h4 h6 21.hxg5 hxg5 22.f4 gxf4 
23.Bxf4 Bg5 24.Qd2 Bxf4 25.Qxf4 Qc7 26.Nxe6 fxe6 27.Qg5 Nxe5 28.Rxf8+ Kxf8
29.b6 Qg7 30.Qd8+ Be8 31.Rf1+ Nf7 32.b7 Qd4+ 33.Rf2 Ra7 34.Qxb8 Rxb7 35.
Qxb7 Qxa4 36.Qb2 Qe4 37.Qf6 Qe3 38.g5 Kg8 39.Qg6+ Kf8 40.Kg2 Ke7 41.Qf6+ 
1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.14"]
[Round "5"]
[White "Grefe, John"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[ECO "C18"]
[EventDate "1973.09.09"]
[PlyCount "177"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 b6 8.Bb5+ 
Bd7 9.Bd3 c4 10.Be2 Ba4 11.Bf4 Ne7 12.Qd2 Nbc6 13.h4 O-O-O 14.h5 h6 15.g4 
Rdf8 16.Rc1 Qd7 17.Qe3 Kb7 18.Kd2 Nc8 19.Nh4 Rhg8 20.Bg3 Qe7 21.Ra1 Re8 
22.f4 f6 23.Bf1 Qd7 24.Bh3 Rgf8 25.Rae1 fxe5 26.fxe5 Na5 27.Ng6 Rf7 28.Bh4
Bxc2 29.Kxc2 Qa4+ 30.Kd2 Nb3+ 31.Ke2 Qxa3 32.Rd1 Qb2+ 33.Ke1 a5 34.Bg3 a4 
35.Rh2 Qa3 36.Rf2 Rxf2 37.Qxf2 Rd8 38.Bf4 b5 39.g5 b4 40.gxh6 gxh6 41.Bxh6
bxc3 42.Bxe6 Nb6 43.Bf5 Qb2 44.Rb1 Qxf2+ 45.Kxf2 Nxd4 46.Rxb6+ Kxb6 47.Be3
Kc5 48.Nf4 Rf8 49.Ne6+ Kb4 50.Nxd4 a3 51.e6 a2 52.e7 Rxf5+ 53.Nxf5 a1=Q 
54.e8=Q Qh1 55.Qb8+ Ka3 56.Bc5+ Ka2 57.Qa7+ Kb1 58.Qb7+ Ka2 59.Qa7+ Kb1 
60.Qb7+ Ka2 61.Qa6+ Kb1 62.Qb5+ Kc2 63.Bd6 Qxh5 64.Ne3+ Kc1 65.Ba3+ Kd2 
66.Nxc4+ Kd3 67.Ne3+ Ke4 68.Qb4+ Kd3 69.Qb1+ Kd4 70.Qb4+ Kd3 71.Qb1+ Kd4 
72.Bd6 Qh4+ 73.Bg3 Qh5 74.Qb4+ Kd3 75.Qb5+ Ke4 76.Qa4+ Kd3 77.Qc2+ Kd4 78.
Qa4+ Kd3 79.Qc2+ Kd4 80.Nf5+ Kc4 81.Qa4+ Kd3 82.Qd4+ Kc2 83.Ne3+ Kb3 84.
Qb6+ Ka4 85.Qa6+ Kb3 86.Qb5+ Ka2 87.Qa4+ Kb2 88.Qc2+ Ka3 89.Bd6# 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.14"]
[Round "5"]
[White "Evans, Larry Melvyn"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "A20"]
[EventDate "1973.09.09"]
[PlyCount "71"]

1.c4 e5 2.g3 Nf6 3.Bg2 c6 4.Nf3 e4 5.Nd4 d5 6.cxd5 Qxd5 7.Nc2 Qh5 8.h3 Qg6
9.Nc3 Na6 10.Ne3 Bd6 11.Qa4 Bb4 12.Qc2 Bxc3 13.Qxc3 O-O 14.b3 Nc7 15.Bb2 
Nfd5 16.Nxd5 Nxd5 17.Bxe4 f5 18.Bxd5+ cxd5 19.h4 h5 20.Qd4 Bd7 21.d3 Rac8 
22.Kd2 Bc6 23.Qxa7 d4 24.Rhe1 Qh6+ 25.f4 Rfd8 26.Bxd4 Qd6 27.Be5 Qb4+ 28.
Bc3 Qd6 29.Qb6 Qd7 30.Rec1 Be4 31.Qd4 Bd5 32.Ba5 Re8 33.Rxc8 Rxc8 34.e4 
fxe4 35.dxe4 Rc6 36.Qxd5+ 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.14"]
[Round "5"]
[White "Benko, Pal"]
[Black "Gilden, Lawrence C"]
[Result "1/2-1/2"]
[ECO "B27"]
[EventDate "1973.09.09"]
[PlyCount "78"]

1.Nf3 g6 2.e4 c5 3.d4 cxd4 4.Qxd4 Nf6 5.e5 Nc6 6.Qa4 Nd5 7.Qe4 Nb6 8.Bb5 
Bg7 9.O-O O-O 10.Rd1 d6 11.Bxc6 Bf5 12.Qh4 Bxc2 13.Rd2 Bxb1 14.Bxb7 Rb8 
15.Rxb1 Rxb7 16.b3 Qc8 17.Bb2 dxe5 18.Bxe5 Bxe5 19.Nxe5 Qc3 20.Nf3 e6 21.
Ng5 Qg7 22.Rc1 Nd5 23.Qd4 Qxd4 24.Rxd4 Nb4 25.Rd2 Rb5 26.Ne4 Ra5 27.f3 Ra8
28.Rc7 Nd5 29.Rb7 Ra6 30.Ng5 Rf8 31.Rc2 h6 32.Ne4 Ra8 33.a4 Rb6 34.Rxb6 
axb6 35.Nd6 Kf8 36.Rc8+ Rxc8 37.Nxc8 Ke8 38.Nd6+ Ke7 39.Nc4 f6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.14"]
[Round "5"]
[White "Karklins, Andrew"]
[Black "Kane, George"]
[Result "1-0"]
[ECO "C93"]
[EventDate "1973.09.09"]
[PlyCount "141"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 h6 10.d4 Re8 11.c4 Nxd4 12.Nxd4 exd4 13.Qxd4 Bb7 14.Nc3 Bf8 15.Bd2 c5
16.Qd3 Qb6 17.a4 bxa4 18.Bxa4 Bc6 19.Bxc6 Qxc6 20.Qf3 Re6 21.Nd5 Rae8 22.
Ra3 Qd7 23.Rae3 Nxd5 24.cxd5 R6e7 25.Bc3 f6 26.Qh5 Qa4 27.Qg6 Rf7 28.g4 
Be7 29.h4 Ref8 30.Rf3 Bd8 31.Rf5 Qe8 32.Rh5 Kh8 33.g5 Re7 34.Qxe8 Rexe8 
35.g6 Re7 36.Rf5 Rfe8 37.f3 Kg8 38.Ra1 a5 39.Ra4 Ra7 40.h5 Kf8 41.Kf2 Ke7 
42.Rf4 Bc7 43.Rg4 Rea8 44.Rg1 Bb6 45.Re1 Bc7 46.f4 Kd7 47.Ke2 Ke7 48.Kd3 
Kd7 49.Rea1 Ke7 50.Rf1 Kd7 51.Re1 Rb8 52.Re2 Re8 53.Re1 Rb8 54.Rea1 Rba8 
55.R1a3 Ke7 56.Rb3 Kd7 57.Rb5 Ke7 58.Be1 Kd7 59.Bf2 Ra6 60.e5 dxe5 61.fxe5
fxe5 62.Bxc5 Rf6 63.Be3 Rf5 64.Rc4 Rc8 65.Rb7 e4+ 66.Kxe4 Re5+ 67.Kd4 Rxh5
68.Bf4 Rh4 69.Rbxc7+ Rxc7 70.Rxc7+ Kd8 71.Rf7 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.15"]
[Round "6"]
[White "Gilden, Lawrence C"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "C96"]
[EventDate "1973.09.09"]
[PlyCount "67"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Nd7 12.dxe5 dxe5 13.Nbd2 f6 14.Nh4 Re8 15.Nf5 Bf8
16.h4 g6 17.Ne3 Nb6 18.h5 Ra7 19.Qf3 Bh6 20.Ndf1 Rg7 21.Nd5 Nxd5 22.Bxh6 
Nf4 23.Bxf4 exf4 24.h6 Rf7 25.Qxf4 Be6 26.Rad1 Qc8 27.Ne3 g5 28.Qd6 c4 29.
Nf5 Nc6 30.Ng7 Rd7 31.Qc5 Ree7 32.e5 fxe5 33.Be4 Rc7 34.Bxc6 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.15"]
[Round "6"]
[White "Bisguier, Arthur Bernard"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "B51"]
[EventDate "1973.09.09"]
[PlyCount "41"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e5 7.Qd3 h6 8.Be3 
Be7 9.a4 O-O 10.O-O Qc7 11.Nd2 Nc5 12.Qe2 Be6 13.f3 Rac8 14.Qf2 a6 15.Be2 
d5 16.exd5 Nxd5 17.Nxd5 Bxd5 18.b4 Nd7 19.c4 Be6 20.Rfb1 a5 21.bxa5 
1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.15"]
[Round "6"]
[White "Mednis, Edmar John"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1973.09.09"]
[PlyCount "50"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 c6 5.Be3 Qb6 6.Qd2 Qxb2 7.Rb1 Qa3 8.Nf3 Qa5
9.Bd3 Nf6 10.h3 Nbd7 11.O-O e5 12.Nb5 Qxd2 13.Nxd6+ Ke7 14.Nxc8+ Rhxc8 15.
Bxd2 exd4 16.Rxb7 Ke8 17.e5 Nd5 18.Ng5 Rc7 19.Rxc7 Nxc7 20.Bc4 Nd5 21.Nxh7
Rb8 22.Re1 Rb2 23.Bb3 Nc5 24.Nf6+ Bxf6 25.exf6+ Kd7 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.15"]
[Round "6"]
[White "Martz, William"]
[Black "Grefe, John"]
[Result "0-1"]
[ECO "A46"]
[EventDate "1973.09.09"]
[PlyCount "110"]

1.d4 Nf6 2.Nf3 c5 3.c3 e6 4.e3 b6 5.Nbd2 Be7 6.Bd3 Ba6 7.Bxa6 Nxa6 8.O-O 
O-O 9.Qe2 Qc8 10.e4 d5 11.exd5 Nxd5 12.Ne4 cxd4 13.Nxd4 e5 14.c4 exd4 15.
cxd5 Rd8 16.Ng3 Bf8 17.Rd1 Rxd5 18.Be3 Qd7 19.Qf3 Rd8 20.Bd2 Nc5 21.Re1 
Qb5 22.b3 Qd3 23.Qxd3 Nxd3 24.Red1 Rc8 25.Ne2 Rc2 26.Bf4 Nxf2 27.Kxf2 d3 
28.Rd2 Bc5+ 29.Kf3 Rxd2 30.Bxd2 dxe2 31.Kxe2 Rf5 32.Be1 Re5+ 33.Kf3 Re3+ 
34.Kf4 Re2 35.Kf3 Rb2 36.Rd1 Kf8 37.Rd8+ Ke7 38.Rh8 h6 39.Bc3 Rf2+ 40.Kg3 
f6 41.b4 Be3 42.Rc8 Rxa2 43.Rc7+ Kf8 44.Kf3 Bg1 45.h4 Rf2+ 46.Kg3 Rc2 47.
b5 Ke8 48.Rc6 Bc5 49.Bd4 Rc4 50.Bg1 h5 51.Kf3 Kd7 52.Bh2 Rxh4 53.Bg3 Rg4 
54.Rc7+ Ke6 55.Rxa7 g6 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.15"]
[Round "6"]
[White "Browne, Walter Shawn"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "C63"]
[EventDate "1973.09.09"]
[PlyCount "37"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qg5 8.
Qe2 Nf6 9.f4 Qh4+ 10.g3 Qh3 11.Ne5+ c6 12.Bc4 Bc5 13.c3 Bf5 14.d4 exd3 15.
Nxd3+ Be7 16.Nf2 Qg2 17.Qf1 Qf3 18.Qe2 Qg2 19.Qf1 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.15"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1973.09.09"]
[PlyCount "143"]

1.g3 c5 2.c4 g6 3.Nc3 Bg7 4.Bg2 Nc6 5.d3 d6 6.Bd2 e5 7.a3 Nge7 8.Rb1 a5 9.
e3 O-O 10.Nge2 Be6 11.Nd5 Rb8 12.Nec3 Bd7 13.O-O Nxd5 14.Nxd5 b5 15.b4 
axb4 16.axb4 Nxb4 17.Nxb4 cxb4 18.Bxb4 Bf5 19.cxb5 Rxb5 20.Qa4 Rb8 21.Qa3 
Qb6 22.h3 Rfc8 23.Bxd6 Qxb1 24.Rxb1 Rxb1+ 25.Kh2 h5 26.Bc5 Be6 27.d4 exd4 
28.exd4 Rd1 29.Bb7 Rd8 30.Qa5 Bf6 31.Bf3 Rb1 32.Kg2 Kh7 33.g4 hxg4 34.hxg4
Rb2 35.Kg3 Bxd4 36.Qxd8 Bxc5 37.Qh4+ Kg7 38.Qg5 Bxf2+ 39.Kh3 Bd4 40.Qf4 
Bf6 41.Qe4 Kh7 42.Qf4 Bd8 43.Qd4 Rb3 44.Kg2 Bb6 45.Qe5 Ba7 46.Qh2+ Kg8 47.
Qe5 Bb8 48.Qd4 Kh7 49.Kf2 Ra3 50.Qe4 Kh6 51.Qb4 Ra2+ 52.Kf1 Ba7 53.Qf4+ 
Kh7 54.Qe4 Bc5 55.Be2 Rb2 56.Bf3 Bb6 57.Be2 Rb3 58.Bf3 Ra3 59.Qb7 Kh6 60.
Bd5 Ra1+ 61.Kg2 Rg1+ 62.Kh2 Bxd5 63.Qxd5 Rxg4 64.Qxf7 Bd4 65.Qf8+ Kh5 66.
Qf3 Kh4 67.Qh3+ Kg5 68.Qd3 Be5+ 69.Kh3 Rh4+ 70.Kg2 Rh2+ 71.Kg1 Bf4 72.Qd8+
1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.17"]
[Round "7"]
[White "Kavalek, Lubomir"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B41"]
[EventDate "1973.09.09"]
[PlyCount "199"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Qc7 7.a3 Nc6 8.Be3 
Nxd4 9.Bxd4 Bd6 10.Bd3 b6 11.Qe2 Be5 12.Bxe5 Qxe5 13.O-O g5 14.Na4 Rb8 15.
b4 Rg8 16.c5 b5 17.Nb6 Bb7 18.a4 Bc6 19.axb5 axb5 20.Ra5 Qd4 21.Bxb5 Qxb4 
22.Rfa1 Bxb5 23.Rxb5 Qxe4 24.Nd5 Qxd5 25.Rxb8+ Ke7 26.Rxg8 Nxg8 27.Qb5 Nf6
28.Qb4 Qe4 29.Qa3 Qc6 30.f3 Nd5 31.Rc1 h5 32.g3 g4 33.fxg4 hxg4 34.Qd3 f5 
35.Qd4 Nf6 36.Rd1 Qd5 37.Qxd5 Nxd5 38.Kf2 Kd8 39.Ra1 Kc7 40.Ra6 Nf6 41.Ke3
Ne4 42.Kd4 Nd2 43.Ra2 Nf3+ 44.Kc4 Kc6 45.Re2 Ng5 46.Kb4 Nf3 47.Ra2 Ne5 48.
Ra6+ Kb7 49.Kb5 Nc6 50.Ra2 Nd4+ 51.Kc4 Nc6 52.Rf2 Ne5+ 53.Kb5 Kc7 54.Ra2 
Nc6 55.Ra4 Kb7 56.Ra3 Ne5 57.Re3 Nc6 58.Kc4 Na5+ 59.Kb4 Nc6+ 60.Kc3 Kc7 
61.Re2 Kc8 62.Kd3 Kc7 63.Re1 Nb4+ 64.Kc4 Nc6 65.Kc3 Kc8 66.Kd3 Nb4+ 67.Kd2
Kc7 68.Ra1 Nc6 69.Ke3 Ne5 70.Rd1 Nc4+ 71.Kd4 Na5 72.Rd3 Nc6+ 73.Ke3 Ne5 
74.Rd1 Nc4+ 75.Kd4 Na5 76.Kc3 Nc6 77.Re1 Kc8 78.Kd2 Kc7 79.Re3 Kc8 80.Rc3 
Kc7 81.Ke3 Nb4 82.Rc4 Nc6 83.Kf4 Na5 84.Rc3 Nc6 85.Rb3 Na5 86.Rb5 Nb7 87.
Ke5 Kc6 88.Rb6+ Kc7 89.Rxb7+ Kxb7 90.Kd6 Kc8 91.c6 dxc6 92.Kxe6 Kc7 93.
Kxf5 Kb6 94.Kxg4 Kb5 95.Kf3 Kb4 96.Ke2 Ka3 97.h4 c5 98.h5 c4 99.h6 c3 100.
h7 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.17"]
[Round "7"]
[White "Grefe, John"]
[Black "Browne, Walter Shawn"]
[Result "1-0"]
[ECO "B98"]
[EventDate "1973.09.09"]
[PlyCount "41"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 h6 8.Bh4 Be7 
9.Qf3 Nbd7 10.O-O-O Qc7 11.Be2 Rb8 12.Qg3 Rg8 13.Rhf1 g5 14.fxg5 Ne5 15.
Nf3 b5 16.Nxe5 b4 17.Nxf7 bxc3 18.gxf6 Rxg3 19.fxe7 Rg5 20.Bxg5 hxg5 21.
Nxd6+ 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.17"]
[Round "7"]
[White "Evans, Larry Melvyn"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[ECO "B05"]
[EventDate "1973.09.09"]
[PlyCount "82"]

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.Nc3 O-O 10.Be3 d5 11.c5 N6d7 12.Rc1 c6 13.b4 b6 14.Na4 Bxf3 15.Bxf3 a5 
16.a3 axb4 17.axb4 b5 18.Nb2 f6 19.Nd3 fxe5 20.dxe5 Na6 21.Bg4 Nc7 22.Nf4 
Nxe5 23.Bxe6+ Kh8 24.Qh5 Bg5 25.Ng6+ Nxg6 26.Bxg5 Qe8 27.Bg4 Qe4 28.Bd7 
Qxb4 29.Bxc6 Ra2 30.Qd1 Qe4 31.Qb3 Re2 32.Rcd1 Nf4 33.Bxf4 Qxf4 34.Bxd5 
Rxf2 35.Bf3 Rxf1+ 36.Kxf1 Qf6 37.Kg1 Ne6 38.Qxb5 Qe5 39.Kh1 Qxc5 40.Qb2 
Nf4 41.Rd7 Qg5 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.17"]
[Round "7"]
[White "Benko, Pal"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1973.09.09"]
[PlyCount "44"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.c3 Nf6 5.Bd3 O-O 6.O-O Nc6 7.Nbd2 e5 8.dxe5 
Nxe5 9.Nxe5 dxe5 10.Nc4 Nh5 11.g3 Be6 12.Qe2 Qd7 13.Rd1 a5 14.Ne3 Nf6 15.
Nc4 Nh5 16.b4 a4 17.Na5 Qc8 18.Be3 Kh8 19.a3 b6 20.Nc6 Bb3 21.Rd2 Qh3 22.
f3 Qe6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.17"]
[Round "7"]
[White "Karklins, Andrew"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C02"]
[EventDate "1973.09.09"]
[PlyCount "57"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 6.a3 a5 7.Be2 Nc6 8.O-O f6 9.c4
cxd4 10.cxd5 exd5 11.Re1 Be7 12.Bf4 Qxb2 13.Nbd2 Bf5 14.Qa4 d3 15.Bf1 b5 
16.Qd1 g5 17.Bg3 Kf7 18.Rc1 Nd4 19.Nxd4 Qxd4 20.exf6 Bxf6 21.Qf3 Kg6 22.
Nb3 Qg4 23.Qxg4 Bxg4 24.Bxd3+ Bf5 25.Bxf5+ Kxf5 26.Rc5 Ne7 27.Bd6 Rhe8 28.
Rxb5 a4 29.Nd4+ 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.17"]
[Round "7"]
[White "Kane, George"]
[Black "Gilden, Lawrence C"]
[Result "1/2-1/2"]
[ECO "E81"]
[EventDate "1973.09.09"]
[PlyCount "46"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 a6 7.Bd3 c5 8.dxc5 dxc5 
9.Bxc5 Nfd7 10.Be3 Bxc3+ 11.bxc3 Ne5 12.Be2 Qa5 13.Qb3 b5 14.cxb5 axb5 15.
Qb4 Qc7 16.Qc5 Nbc6 17.Bf4 Be6 18.Bxe5 Qxe5 19.Qxe5 Nxe5 20.f4 Nd7 21.Nf3 
Bxa2 22.Nd2 Bc4 23.Kf2 Bxe2 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.18"]
[Round "8"]
[White "Bisguier, Arthur Bernard"]
[Black "Kane, George"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1973.09.09"]
[PlyCount "41"]

1.e4 c5 2.f4 Nf6 3.Nc3 d5 4.Bb5+ Bd7 5.e5 Bxb5 6.exf6 Bc6 7.fxg7 Bxg7 8.d3
Qd6 9.Nf3 Nd7 10.O-O O-O-O 11.d4 Rhg8 12.Be3 Qg6 13.Qe2 cxd4 14.Bxd4 Kb8 
15.Rf2 e6 16.a4 Nb6 17.Ne5 Bxe5 18.Qxe5+ Kc8 19.Nb5 Bxb5 20.axb5 Nc4 21.
Qe1 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.18"]
[Round "8"]
[White "Mednis, Edmar John"]
[Black "Karklins, Andrew"]
[Result "1/2-1/2"]
[ECO "C91"]
[EventDate "1973.09.09"]
[PlyCount "115"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.d4 Bg4 10.Be3 exd4 11.cxd4 Na5 12.Bc2 Nc4 13.Bc1 c5 14.b3 Nb6 15.Nbd2 
Nfd7 16.h3 Bh5 17.Bb2 Rc8 18.Qb1 Bg6 19.a4 c4 20.bxc4 Nxc4 21.Nxc4 bxc4 
22.Bc3 d5 23.Nd2 Re8 24.e5 Rb8 25.Qd1 Bb4 26.Bxb4 Rxb4 27.Nf1 Bxc2 28.Qxc2
Qb6 29.Rad1 Nf8 30.Ne3 Rd8 31.Nf5 Ne6 32.a5 Qa7 33.Qd2 Rdb8 34.Re3 Rb2 35.
Qe1 R8b3 36.Rxb3 Rxb3 37.Qe2 g6 38.Ne3 Qb7 39.Kh2 h5 40.Qf3 Rb5 41.g4 hxg4
42.Nxg4 Qe7 43.Nf6+ Kg7 44.Nxd5 Qh4 45.Qf6+ Qxf6 46.exf6+ Kh7 47.Ne3 c3 
48.Rc1 Nxd4 49.Rxc3 g5 50.Rc4 Nf3+ 51.Kg3 Ne5 52.Ra4 Kg6 53.h4 gxh4+ 54.
Kxh4 Kxf6 55.f4 Nc6 56.Nc4 Rc5 57.Kg4 Rd5 58.Nb6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.18"]
[Round "8"]
[White "Martz, William"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "B80"]
[EventDate "1973.09.09"]
[PlyCount "96"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 d6 6.g3 Nf6 7.Bg2 Qc7 8.O-O Be7
9.Qd2 O-O 10.b3 Nc6 11.Nde2 b5 12.Bb2 Bb7 13.Rfd1 Rfd8 14.Nf4 Rac8 15.Rac1
Qb6 16.Qe1 Ne5 17.Nd3 Ned7 18.Kh1 Rc7 19.Nb1 Rdc8 20.c3 Qa7 21.Nd2 Qa8 22.
f3 h6 23.Qe2 a5 24.Nf1 Ne8 25.Ne3 Bf6 26.c4 bxc4 27.Rxc4 Rxc4 28.Nxc4 d5 
29.exd5 Bxd5 30.Nde5 Bxe5 31.Nxe5 Nxe5 32.Bxe5 a4 33.Rb1 f6 34.Bd4 e5 35.
Be3 axb3 36.axb3 Rc3 37.b4 Qa3 38.Re1 Qb3 39.b5 Bc4 40.Qd2 Rd3 41.Qf2 Qxb5
42.f4 Bd5 43.g4 Nd6 44.fxe5 fxe5 45.g5 Ne4 46.Qh4 Rxe3 47.Rxe3 Ng3+ 48.Kg1
Qb1+ 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.18"]
[Round "8"]
[White "Browne, Walter Shawn"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1973.09.09"]
[PlyCount "139"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6 7.Be3 Bg4 8.Qd2 
Re8 9.Rad1 e5 10.dxe5 dxe5 11.h3 Bxf3 12.Bxf3 a6 13.Na4 Qe7 14.c3 b6 15.b3
a5 16.Qe2 Red8 17.Qc4 Na7 18.Qa6 Rdb8 19.Rd2 Qe8 20.Qe2 Rd8 21.Rfd1 Rxd2 
22.Rxd2 Rd8 23.c4 Rxd2 24.Qxd2 Qd7 25.Qxd7 Nxd7 26.Nc3 Bf8 27.Nd5 Bd6 28.
Bg4 Nc5 29.Bxc5 Bxc5 30.Nxc7 Nc6 31.Be2 Nb4 32.a4 Kf8 33.Kf1 Ke7 34.g3 Kd7
35.Nb5 Nc6 36.Bg4+ Ke7 37.Nc3 h5 38.Bd1 Nd4 39.Nd5+ Kd6 40.f4 h4 41.Kg2 
hxg3 42.Kxg3 exf4+ 43.Nxf4 Ke5 44.Ne2 Ne6 45.Bc2 Ng5 46.Nc3 Kd4 47.Nd5 
Nxe4+ 48.Kf4 Nd6 49.h4 Ne8 50.Kg5 Ke5 51.Kh6 Bf2 52.h5 gxh5 53.Kxh5 Bc5 
54.Kg4 Ng7 55.Nf4 Ne8 56.Nd5 Nd6 57.Ne7 Nb7 58.Nc6+ Ke6 59.Be4 Nd6 60.Bd5+
Kf6 61.Kf4 Ba3 62.Nb8 Ke7 63.Nc6+ Kd7 64.Ne5+ Ke8 65.Nc6 f6 66.Nd4 Kd7 67.
Bc6+ Kc7 68.Bd5 Bc1+ 69.Kg4 Be3 70.Nf5 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.18"]
[Round "8"]
[White "Byrne, Donald"]
[Black "Grefe, John"]
[Result "0-1"]
[ECO "A21"]
[EventDate "1973.09.09"]
[PlyCount "66"]

1.g3 g6 2.Bg2 Bg7 3.c4 e5 4.Nc3 d6 5.e3 Nc6 6.Nge2 Nge7 7.d3 O-O 8.O-O Bf5
9.Nd5 Nxd5 10.cxd5 Ne7 11.d4 Qd7 12.dxe5 Bxe5 13.Re1 Bh3 14.Bh1 c5 15.Nf4 
g5 16.Nxh3 Qxh3 17.Bg2 Qf5 18.f4 gxf4 19.gxf4 Bg7 20.e4 Qd7 21.a4 f5 22.e5
Ng6 23.e6 Qe7 24.Ra3 Bd4+ 25.Kh1 Rae8 26.Qh5 Qf6 27.Rh3 Re7 28.b3 Rg7 29.
Rf1 Kh8 30.Rff3 Rfg8 31.Qg5 Qf8 32.Be3 Ne5 33.Bxd4 cxd4 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.18"]
[Round "8"]
[White "Tarjan, James Edward"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "A04"]
[EventDate "1973.09.09"]
[PlyCount "80"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O Nge7 7.Re1 d6 8.c3 e5 9.
Be3 O-O 10.a4 b6 11.Na3 d5 12.exd5 Nxd5 13.Bg5 f6 14.Bd2 Re8 15.Nc4 Be6 
16.Qc2 Qd7 17.Rad1 Rad8 18.Bc1 Nde7 19.Kh1 g5 20.b3 Bf5 21.Nb2 Bg4 22.Nc4 
Kh8 23.Rd2 Ng6 24.Bb2 Bh3 25.Bxh3 Qxh3 26.Ne3 Qd7 27.Qd1 g4 28.Ng1 f5 29.
f3 gxf3 30.Nxf3 h6 31.Qe2 Nf4 32.gxf4 exf4 33.Qf2 fxe3 34.Rxe3 Qf7 35.c4 
f4 36.Bxg7+ Qxg7 37.Rxe8+ Rxe8 38.Rd1 Qf6 39.Re1 Rd8 40.Qe2 Nd4 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.19"]
[Round "9"]
[White "Grefe, John"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "B77"]
[EventDate "1973.09.09"]
[PlyCount "49"]

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.Bc4 Bd7 10.h4 Rc8 11.Bb3 Ne5 12.h5 Nxh5 13.g4 Rc4 14.gxh5 Rxd4 15.
Qg2 Qb6 16.hxg6 Rxe4 17.gxf7+ Kh8 18.O-O-O Qxe3+ 19.Kb1 Rc4 20.Rdg1 Rxf7 
21.Bxc4 Nxc4 22.Qg6 Na3+ 23.bxa3 Qb6+ 24.Kc1 Qe3+ 25.Kb1 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.19"]
[Round "9"]
[White "Evans, Larry Melvyn"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B43"]
[EventDate "1973.09.09"]
[PlyCount "92"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.f4 Nc6 10.Nxc6 bxc6 11.e5 Ne8 12.Ne4 d6 13.exd6 Nxd6 14.Nxd6 Bxd6 
15.Be3 Bb7 16.c4 Qe7 17.Qf3 Bc5 18.Qf2 Bxe3 19.Qxe3 c5 20.Bxb7 Qxb7 21.b3 
Qc6 22.f5 exf5 23.Rxf5 Rac8 24.Rd1 g6 25.Rfd5 Rfe8 26.Qf2 Re6 27.Rd7 Rf6 
28.Qe3 Re6 29.Qf4 Rf6 30.R1d6 Rxf4 31.Rxc6 Rxc6 32.gxf4 Rf6 33.Rd5 Rxf4 
34.Rxc5 Rd4 35.Ra5 Rd6 36.c5 Rc6 37.Kf2 f5 38.Ke3 Kf7 39.b4 Ke7 40.a4 g5 
41.Kd4 f4 42.b5 f3 43.bxc6 f2 44.c7 f1=Q 45.c8=Q Qf4+ 46.Kd5 Qf3+ 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.19"]
[Round "9"]
[White "Benko, Pal"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1973.09.09"]
[PlyCount "171"]

1.Nf3 Nf6 2.c4 c5 3.g3 g6 4.b3 Bg7 5.Bb2 O-O 6.Bg2 Nc6 7.O-O d6 8.d4 cxd4 
9.Nxd4 Nxd4 10.Qxd4 a6 11.Nc3 Rb8 12.Rfd1 Be6 13.Nd5 Bxd5 14.Bxd5 b5 15.
cxb5 axb5 16.Bf3 b4 17.Rd2 Qb6 18.Qxb6 Rxb6 19.Bxf6 Bxf6 20.Rc1 Kg7 21.e3 
e6 22.Rc6 Rxc6 23.Bxc6 Rc8 24.Rc2 Bc3 25.Bg2 d5 26.Kf1 Rc5 27.f4 f6 28.Ke2
e5 29.fxe5 fxe5 30.a4 bxa3 31.b4 a2 32.Rxa2 Bxb4 33.Ra7+ Kh6 34.Rd7 e4 35.
Kd1 Ba3 36.Bh3 Rc1+ 37.Ke2 Rc2+ 38.Kf1 Bc5 39.Be6 Bxe3 40.Bxd5 Rf2+ 41.Ke1
Rxh2 42.Bg8 Rb2 43.Rxh7+ Kg5 44.Bd5 Bf2+ 45.Kf1 e3 46.Kg2 Bg1+ 47.Kxg1 
Rb1+ 48.Kg2 e2 49.Re7 e1=Q 50.Rxe1 Rxe1 51.Bf3 Re3 52.Kf2 Rc3 53.Kg2 Kf5 
54.Kf2 Ke5 55.Kg2 Kd4 56.Kf2 Rc2+ 57.Kg1 Ke3 58.Bb7 Rc7 59.Bd5 Rc5 60.Bb7 
Rc1+ 61.Kg2 Rb1 62.Bc6 Rb6 63.Bd5 Rd6 64.Bb7 Rd2+ 65.Kg1 Kd4 66.Bf3 Ke5 
67.Kf1 Kf6 68.Kg1 Kg5 69.Kf1 Kf5 70.Ke1 Rh2 71.Kf1 Ke5 72.Kg1 Rd2 73.Kf1 
Kd4 74.Kg1 Ke3 75.Bb7 g5 76.Bc6 Rf2 77.Bb7 g4 78.Bc6 Rf3 79.Kg2 Rf6 80.Bb7
Rb6 81.Ba8 Rb8 82.Bc6 Kd4 83.Kf2 Rc8 84.Bb7 Rc7 85.Ba8 Ra7 86.Bc6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.19"]
[Round "9"]
[White "Karklins, Andrew"]
[Black "Martz, William"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1973.09.09"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 h6 7.Be3 d6 8.a4 
Be6 9.Nd5 Bxd5 10.exd5 Ne7 11.a5 Nc8 12.a6 bxa6 13.Rxa6 Be7 14.c4 O-O 15.
c5 Ne8 16.c6 Nc7 17.Nxc7 Qxc7 18.Qa4 Bg5 19.Bxg5 hxg5 20.h4 Qe7 21.Qg4 f5 
22.Qxg5 Qxg5 23.hxg5 Rb8 24.Ra2 Kf7 25.g4 fxg4 26.Be2 Kg6 27.Bxg4 Rb5 28.
Ra3 e4 29.f3 Rxb2 30.fxe4 Rb1+ 31.Bd1 Nb6 32.Ke2 Nc4 33.Rc3 Ne5 34.Ke3 
Kxg5 35.Rg1+ Kh6 36.Rh1+ Kg5 37.Rg1+ Kh6 38.c7 Rc8 39.Rh1+ Kg5 40.Rh5+ Kg6
41.Rxe5 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.19"]
[Round "9"]
[White "Kane, George"]
[Black "Mednis, Edmar John"]
[Result "0-1"]
[ECO "B67"]
[EventDate "1973.09.09"]
[PlyCount "96"]

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 b5 10.a3 Qb6 11.Nb3 b4 12.axb4 Nxb4 13.Be2 Rb8 14.Qd4 Qxd4 15.
Rxd4 Bc6 16.Na5 Ba8 17.Bf3 e5 18.Rdd1 Rc8 19.Rhe1 Be7 20.f5 O-O 21.Bd2 Bd8
22.Nb3 a5 23.Kb1 Bc6 24.Be3 a4 25.Nc1 Ne8 26.Nd3 Ba5 27.Bd2 Rb8 28.Nd5 
Bxd5 29.Bxb4 Bxb4 30.Nxb4 Rxb4 31.Rxd5 Nf6 32.Rd2 Rfb8 33.c3 Rc4 34.Ka2 
Rb6 35.Red1 Rcc6 36.Re1 Kf8 37.Bd1 Rc4 38.Bc2 Ke7 39.Bd3 Rc7 40.Bc2 a3 41.
b3 Rxc3 42.Kxa3 Nd7 43.Kb2 Rc7 44.Bd3 Rb4 45.Rc2 Nc5 46.Bc4 Rxb3+ 47.Kc1 
Rb4 48.Kd2 Ra7 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.19"]
[Round "9"]
[White "Gilden, Lawrence C"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A11"]
[EventDate "1973.09.09"]
[PlyCount "86"]

1.Nf3 d5 2.e3 Nf6 3.c4 c6 4.b3 Bg4 5.Bb2 Nbd7 6.Be2 e6 7.O-O Bd6 8.h3 Bxf3
9.Bxf3 h5 10.cxd5 exd5 11.Re1 Qe7 12.e4 dxe4 13.d3 O-O-O 14.Bxe4 Nxe4 15.
Rxe4 Qg5 16.Nd2 Nc5 17.Nf3 Qg6 18.Nh4 Qh7 19.Rd4 g5 20.Nf3 Ne6 21.Ra4 Rhg8
22.Ne5 g4 23.h4 Qf5 24.Qe2 Bc5 25.b4 Nf4 26.Qf1 g3 27.bxc5 gxf2+ 28.Kxf2 
Rxg2+ 29.Ke3 Nd5+ 30.Kd4 Qxe5+ 31.Kxe5 Re8+ 32.Kf5 Ne3+ 33.Kf6 Nxf1 34.
Rxf1 Rxb2 35.Rxa7 Kb8 36.Ra4 Rd8 37.Rf5 Rxd3 38.Rxh5 Rf2+ 39.Rf5 Rxf5+ 40.
Kxf5 Rd5+ 41.Kf6 Rxc5 42.Rg4 Kc7 43.Kg7 Kd6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.21"]
[Round "10"]
[White "Mednis, Edmar John"]
[Black "Gilden, Lawrence C"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1973.09.09"]
[PlyCount "114"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Ne7 6.O-O Nec6 7.Nb3 Be7 8.Nc3 
O-O 9.f4 d6 10.Bd2 b5 11.Qh5 Nd7 12.Rae1 b4 13.Nd5 exd5 14.exd5 g6 15.Qe2 
Nce5 16.fxe5 Nxe5 17.Nd4 Bh4 18.g3 Bf6 19.Qe4 Bg7 20.c3 Bh3 21.Rf2 Qb6 22.
Bf1 Bd7 23.h3 Rae8 24.Qg2 a5 25.Kh2 a4 26.Be3 Qa5 27.Rc1 Nd3 28.Bxd3 Rxe3 
29.Rf3 Rxf3 30.Nxf3 Qxd5 31.Nd4 Qxa2 32.Qb7 Bxd4 33.Qxd7 Be5 34.Rc2 Qd5 
35.Qb5 Qf3 36.Rg2 bxc3 37.bxc3 a3 38.Bc4 Qxc3 39.Ba2 h5 40.h4 Qd4 41.Kh1 
Qd1+ 42.Kh2 Kg7 43.Re2 Qd4 44.Kg2 Qc3 45.Qb3 Qxb3 46.Bxb3 Rc8 47.Rf2 f6 
48.Rf3 Rb8 49.Be6 Ra8 50.Ba2 Kf8 51.Kh3 Kg7 52.Rb3 Ra7 53.g4 hxg4+ 54.Kxg4
f5+ 55.Kh3 Kh6 56.Rd3 Rc7 57.Rxa3 Rc2 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.21"]
[Round "10"]
[White "Martz, William"]
[Black "Kane, George"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1973.09.09"]
[PlyCount "31"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 Nbd7 7.cxd5 exd5 8.Bd3 
h6 9.Bh4 c6 10.Qc2 Re8 11.O-O Ne4 12.Bxe7 Qxe7 13.Rab1 a5 14.Bxe4 dxe4 15.
Nd2 f5 16.Na4 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.21"]
[Round "10"]
[White "Browne, Walter Shawn"]
[Black "Karklins, Andrew"]
[Result "1/2-1/2"]
[ECO "C68"]
[EventDate "1973.09.09"]
[PlyCount "65"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.c3 Bg4 7.d4 exd4 8.cxd4
O-O-O 9.Be3 f5 10.h3 fxe4 11.hxg4 exf3 12.Qxf3 Nf6 13.Nc3 h5 14.g5 Nd5 15.
Rae1 Nxe3 16.Rxe3 Qg6 17.Qh3+ Kb8 18.Qh4 Bb4 19.a3 Bxc3 20.bxc3 c5 21.dxc5
Rd5 22.f4 Rxc5 23.Kh1 Rf8 24.Ref3 Rc4 25.Qh3 Rc5 26.Qd7 Rcf5 27.c4 Qf7 28.
Qd4 Qe7 29.Rb1 Rd8 30.Qb2 b6 31.Qc2 Qc5 32.Re1 Rfd5 33.Kh2 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.21"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "A20"]
[EventDate "1973.09.09"]
[PlyCount "25"]

1.g3 e5 2.c4 d6 3.Bg2 f5 4.Nc3 Nf6 5.d3 g6 6.Nf3 Bg7 7.O-O O-O 8.Bd2 c6 9.
Rc1 Qe7 10.b4 a6 11.a4 Kh8 12.a5 Be6 13.c5 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.21"]
[Round "10"]
[White "Tarjan, James Edward"]
[Black "Evans, Larry Melvyn"]
[Result "1-0"]
[ECO "B81"]
[EventDate "1973.09.09"]
[PlyCount "127"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.g5 hxg5 8.Bxg5 
Nc6 9.Qd2 a6 10.O-O-O Qc7 11.h4 Bd7 12.Bh3 Be7 13.f4 Nxd4 14.Qxd4 O-O-O 
15.Kb1 Kb8 16.f5 e5 17.Qf2 Bc6 18.Bg2 Rc8 19.Bf3 b5 20.a3 Bb7 21.Rd2 Rhd8 
22.Rhd1 Rd7 23.Bxf6 Bxf6 24.Nd5 Bxd5 25.Rxd5 Qa7 26.Qxa7+ Kxa7 27.h5 Rc6 
28.c3 Kb7 29.Rg1 Kc7 30.Rd2 Rd8 31.Bd1 Kd7 32.Bb3 Ke7 33.Bd1 Rc4 34.Bf3 a5
35.Ka2 Rb8 36.Kb3 Rc6 37.Be2 Rcb6 38.Rd5 Kd7 39.Rgd1 Kc7 40.Rg1 Kd7 41.
Rgd1 Kc7 42.Kc2 Bg5 43.Rg1 Bf6 44.b4 axb4 45.cxb4 R8b7 46.Kb2 Kb8 47.Rg3 
Kc7 48.Bd1 Kd7 49.Rc3 Rc7 50.Rxc7+ Kxc7 51.Bb3 Bg5 52.Rd3 f6 53.Bd5 Bh6 
54.Rc3+ Kb8 55.Rc6 Rxc6 56.Bxc6 Kc7 57.Bxb5 Kb6 58.Bc4 Kc6 59.Kb3 Bd2 60.
Bd5+ Kb6 61.a4 Be1 62.a5+ Kc7 63.Ka4 Bf2 64.b5 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.21"]
[Round "10"]
[White "Kavalek, Lubomir"]
[Black "Grefe, John"]
[Result "1-0"]
[ECO "D42"]
[EventDate "1973.09.09"]
[PlyCount "80"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 Nc6 4.e3 e6 5.d4 d5 6.cxd5 Nxd5 7.Bd3 cxd4 8.exd4 
Be7 9.O-O Nf6 10.Bg5 O-O 11.a3 h6 12.Bh4 Kh8 13.Bc2 g5 14.Bg3 g4 15.Be5 
Rg8 16.Nd2 Nxe5 17.dxe5 Nd5 18.Nxd5 Qxd5 19.Re1 Bd7 20.Bb3 Qb5 21.Re4 Rad8
22.a4 Qd3 23.Bc4 Bxa4 24.Qxa4 Qxd2 25.Qxa7 Qxb2 26.Rf1 Rg5 27.Qe3 b6 28.h4
gxh3 29.Qxh3 Rg6 30.Qf3 Kg8 31.Rf4 Rf8 32.Bd3 Rg7 33.Qe4 Bg5 34.Rg4 f5 35.
exf6 Bxf6 36.Rxg7+ Bxg7 37.Qxe6+ Kh8 38.Qg6 Kg8 39.Qh7+ Kf7 40.Re1 Qd4 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.22"]
[Round "11"]
[White "Evans, Larry Melvyn"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "D92"]
[EventDate "1973.09.09"]
[PlyCount "39"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.Rc1 c5 7.dxc5 Be6 8.Nd4 
Nc6 9.Nxe6 fxe6 10.e3 Qa5 11.Be2 e5 12.cxd5 exf4 13.dxc6 bxc6 14.Qa4 Qxa4 
15.Nxa4 fxe3 16.fxe3 Bh6 17.Bf3 Bxe3 18.Rc3 Bd4 19.Rc4 Rad8 20.Rf1 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.22"]
[Round "11"]
[White "Benko, Pal"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "B27"]
[EventDate "1973.09.09"]
[PlyCount "62"]

1.Nf3 g6 2.e4 c5 3.d4 cxd4 4.Qxd4 Nf6 5.e5 Nc6 6.Qa4 Nd5 7.Qe4 Nc7 8.Nc3 
Bg7 9.Bf4 b6 10.Qe3 h6 11.Be2 Bb7 12.O-O Ne6 13.Bg3 h5 14.Bc4 Qb8 15.h4 
Bh6 16.Qe2 Na5 17.Bd5 O-O 18.Rad1 a6 19.Bxb7 Qxb7 20.Nd5 Nc6 21.Qe4 Ra7 
22.Bf4 Nxf4 23.Nxf4 Bxf4 24.Qxf4 Nd8 25.Qg5 Re8 26.Nd4 Ne6 27.Nxe6 dxe6 
28.Rd4 Qc6 29.c3 Rd7 30.Rfd1 Red8 31.Qe3 b5 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.22"]
[Round "11"]
[White "Karklins, Andrew"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B43"]
[EventDate "1973.09.09"]
[PlyCount "71"]

1.e4 c5 2.Nf3 a6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 Qc7 6.Bd3 Nf6 7.O-O Bc5 8.Nb3 
Ba7 9.Bg5 d6 10.Bxf6 gxf6 11.Qf3 Nd7 12.Rad1 h5 13.Be2 Ke7 14.Nd4 Qc5 15.
Kh1 Ne5 16.Qh3 Bd7 17.f4 Nc6 18.Nb3 Qb6 19.Qh4 Bb8 20.f5 Rf8 21.fxe6 fxe6 
22.Rxf6 Rxf6 23.Rf1 Kd8 24.Qxf6+ Kc7 25.Bc4 Nd8 26.e5 Ba7 27.exd6+ Kc8 28.
Ne4 Qe3 29.Bd3 b5 30.Qc3+ Bc6 31.Na5 Bd4 32.Qe1 Qxe1 33.Rxe1 Bxb2 34.Nxc6 
Nxc6 35.Nc5 e5 36.Be4 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.22"]
[Round "11"]
[White "Kane, George"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[ECO "A59"]
[EventDate "1973.09.09"]
[PlyCount "106"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 
g6 9.Nf3 Bg7 10.h3 O-O 11.Kg1 Nbd7 12.Kh2 Qa5 13.Re1 Rfb8 14.Re2 Ra7 15.
Rc2 Nb6 16.Qe2 Na4 17.Bg5 Rab7 18.Nxa4 Qxa4 19.Re1 Rxb2 20.Rxb2 Rxb2 21.
Qxb2 Ng4+ 22.hxg4 Bxb2 23.Bxe7 Qd7 24.Bh4 c4 25.Re2 c3 26.Bf6 Qxg4 27.Kg1 
Kf8 28.e5 c2 29.Rxc2 Bxe5 30.Bxe5 dxe5 31.Rd2 e4 32.Nd4 Qf4 33.Nb3 e3 34.
fxe3 Qxe3+ 35.Kf1 Qf4+ 36.Ke2 Qc4+ 37.Ke3 Ke7 38.d6+ Kd7 39.Rd3 f5 40.a4 
Qe4+ 41.Kd2 Qb4+ 42.Kc1 Qa3+ 43.Kd2 Qb4+ 44.Kc1 Qa3+ 45.Kd2 f4 46.Kc3 g5 
47.a5 g4 48.Kc4 Qa4+ 49.Kd5 Qc6+ 50.Ke5 f3 51.gxf3 gxf3 52.Nd2 f2 53.Kf4 
Qc1 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.22"]
[Round "11"]
[White "Gilden, Lawrence C"]
[Black "Martz, William"]
[Result "0-1"]
[ECO "B04"]
[EventDate "1973.09.09"]
[PlyCount "150"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5 d5 8.f4 Nc6 
9.c3 f6 10.Nf3 Bf5 11.O-O Na5 12.Bc2 Bxc2 13.Qxc2 f5 14.b3 Nc6 15.a4 a5 
16.Ba3 O-O 17.Nbd2 Re8 18.Qd3 e6 19.Ng5 Bh6 20.Nh3 Qd7 21.Kh1 Nd8 22.g4 
Rc8 23.Rg1 Kh8 24.Rg3 Bf8 25.Bc5 Nf7 26.gxf5 exf5 27.Bxf8 Rxf8 28.Nf3 Qe7 
29.Qb5 Ra8 30.Nhg5 Nxg5 31.Nxg5 Rg8 32.Rag1 Rg7 33.h4 Qe8 34.Qd3 h5 35.Nh3
Nd7 36.R3g2 Nf8 37.Qf3 c6 38.Ng5 Ne6 39.Nh3 Qf7 40.Rd2 Qe7 41.Ng5 Nxg5 42.
Rxg5 Kh7 43.Rdg2 Qe6 44.Qd3 Rc8 45.Kh2 c5 46.dxc5 Rxc5 47.Qf3 Rcc7 48.Qd3 
Qb6 49.Rb2 Rc4 50.bxc4 Qxb2+ 51.Rg2 dxc4 52.Qxc4 Qc1 53.Qd4 Qe1 54.Rg3 Rc7
55.Qe3 Qxe3 56.Rxe3 Kg7 57.Rd3 Kf7 58.Rd4 Rxc3 59.Rd7+ Ke8 60.Rxb7 Rf3 61.
Rb5 Rxf4 62.Rxa5 Rxh4+ 63.Kg3 Re4 64.Ra8+ Kf7 65.Ra7+ Ke6 66.Ra6+ Kxe5 67.
Ra5+ Kf6 68.Ra6+ Kg5 69.Ra8 Re3+ 70.Kf2 Ra3 71.Kg2 Kf4 72.a5 g5 73.a6 Ra2+
74.Kf1 Kf3 75.Kg1 g4 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.22"]
[Round "11"]
[White "Bisguier, Arthur Bernard"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[ECO "A02"]
[EventDate "1973.09.09"]
[PlyCount "111"]

1.f4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Be2 O-O 5.O-O d6 6.b3 Ne4 7.c3 c5 8.Qe1 Nc6 
9.d3 Nf6 10.e4 b5 11.Bb2 a5 12.a4 bxa4 13.Rxa4 Nd7 14.Nbd2 Nb6 15.Ra2 Bd7 
16.Bd1 Ra7 17.Bc2 Qc7 18.Qh4 Qd8 19.Qg3 e6 20.e5 dxe5 21.fxe5 Qb8 22.Re1 
f5 23.exf6 Qxg3 24.hxg3 Bxf6 25.Ne4 Be7 26.Bc1 Nd5 27.Bd2 Re8 28.Raa1 Nf6 
29.Ra4 Nd5 30.Re2 Rc8 31.Ra1 Rac7 32.Rf1 Ra7 33.Ref2 Rf8 34.Bh6 Rf7 35.
Nfg5 Rxf2 36.Rxf2 Ne5 37.Bd1 Be8 38.Nxe6 Bf7 39.N6xc5 Nxc3 40.Rd2 Nxd1 41.
Rxd1 Nc6 42.d4 Bd5 43.Bf4 Bxc5 44.Nxc5 Re7 45.Kf2 Rf7 46.Ke2 Re7+ 47.Be3 
Nb4 48.Kf2 Rf7+ 49.Kg1 Re7 50.Bh6 Re2 51.Rd2 Rxd2 52.Bxd2 Nc6 53.Be3 Kf7 
54.g4 g5 55.Kf2 h6 56.g3 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.23"]
[Round "12"]
[White "Martz, William"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "D41"]
[EventDate "1973.09.09"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.
cxd4 Nc6 9.Bc4 b5 10.Be2 Bb4+ 11.Bd2 Bxd2+ 12.Qxd2 a6 13.O-O O-O 14.a4 
bxa4 15.Rxa4 Bb7 16.d5 exd5 17.exd5 Ne7 18.d6 Ng6 19.Rd1 Qd7 20.Ra5 Rfe8 
21.h4 Re4 22.g3 Qh3 23.Bf1 Nxh4 24.Bxh3 Nxf3+ 25.Kf1 Nxd2+ 26.Rxd2 Rc4 27.
d7 Rd8 28.Raa2 Kf8 29.Rac2 Bd5 30.Bf5 Rxc2 31.Rxc2 Ke7 32.Bd3 Bb7 33.Bf5 
g6 34.Re2+ Kd6 35.Rd2+ Kc7 36.Bh3 Bc6 37.Rc2 Kb6 38.Rb2+ Bb5+ 39.Ke1 Kc7 
40.Rc2+ Kd6 41.Rc8 Ke7 42.Rc7 f5 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.23"]
[Round "12"]
[White "Browne, Walter Shawn"]
[Black "Gilden, Lawrence C"]
[Result "1-0"]
[ECO "C89"]
[EventDate "1973.09.09"]
[PlyCount "135"]

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 d5 
9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.Bxd5 cxd5 13.d4 Bd6 14.Re3 Qh4 15.
h3 g5 16.Qf3 Be6 17.Qf6 Rae8 18.Nd2 Qf4 19.Qxf4 Bxf4 20.Re1 Bxh3 21.Rxe8 
Rxe8 22.Nf3 Bxc1 23.Rxc1 Bf5 24.Nxg5 Re2 25.b4 f6 26.Nf3 Rxa2 27.Re1 Kf7 
28.Nh4 Be4 29.f3 Bg6 30.g3 a5 31.bxa5 Rxa5 32.Ng2 b4 33.cxb4 Rb5 34.Nf4 
Rxb4 35.Re7+ Kf8 36.Re6 Rxd4 37.Rxf6+ Ke7 38.Re6+ Kd7 39.Ra6 Bc2 40.Ra2 
Bb1 41.Ra1 Bc2 42.Kf2 Kc6 43.Ra6+ Kd7 44.Ra2 Bf5 45.Nh5 Rc4 46.Ra7+ Kd6 
47.Nf6 Rc2+ 48.Ke1 Rh2 49.Ra5 Be6 50.f4 h5 51.Kf1 h4 52.g4 d4 53.Ne4+ Kc7 
54.Rc5+ Kb6 55.f5 Bd7 56.Rd5 Bc6 57.Rxd4 h3 58.Rb4+ Ka5 59.f6 Rd2 60.f7 
Rd8 61.Rc4 Bb5 62.Nd6 Rf8 63.Kg1 Rxf7 64.Rc5 Rf1+ 65.Kh2 Kb6 66.Rxb5+ Kc6 
67.Rf5 Rd1 68.Ne4 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.23"]
[Round "12"]
[White "Byrne, Donald"]
[Black "Kane, George"]
[Result "0-1"]
[ECO "A36"]
[EventDate "1973.09.09"]
[PlyCount "78"]

1.g3 g6 2.c4 Bg7 3.Bg2 c5 4.Nc3 Nc6 5.d3 e6 6.Bd2 Nge7 7.a3 d5 8.cxd5 exd5
9.Nh3 d4 10.Ne4 h6 11.Nf4 b6 12.b4 cxb4 13.axb4 b5 14.O-O O-O 15.Qb3 Rb8 
16.Rfc1 Rb6 17.h4 Bb7 18.Ra2 Ba8 19.h5 g5 20.Ng6 Re8 21.f4 g4 22.Rc5 Qd7 
23.Rac2 Nc8 24.Nh4 N8e7 25.f5 Ne5 26.Rc7 Qd8 27.f6 Bxf6 28.Rxa7 Bxh4 29.
gxh4 Bd5 30.Qa3 N7c6 31.Ra6 Rxa6 32.Qxa6 Qxh4 33.Nf6+ Qxf6 34.Bxd5 g3 35.
Be1 Qh4 36.e4 Nf3+ 37.Kf1 Nce5 38.Bxg3 Qh1+ 39.Ke2 Ng1+ 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.23"]
[Round "12"]
[White "Tarjan, James Edward"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "C96"]
[EventDate "1973.09.09"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Nd7 12.Nbd2 cxd4 13.cxd4 Nc6 14.Nb3 a5 15.Be3 a4 
16.Nbd2 exd4 17.Nxd4 Nxd4 18.Bxd4 Ne5 19.Nf1 Be6 20.Ne3 Bg5 21.b3 Nc6 22.
Bc3 b4 23.Bd2 Bf6 24.Rb1 Bd4 25.Nd5 f5 26.Nf4 Bd7 27.bxa4 g5 28.Bb3+ Kh8 
29.Ne6 Bxe6 30.Bxe6 fxe4 31.Rxe4 Bxf2+ 32.Kh1 Ra5 33.a3 d5 34.Re2 d4 35.
axb4 Re5 36.b5 Qf6 37.Bc4 g4 38.bxc6 gxh3 39.Rxe5 hxg2+ 40.Kxg2 Qxe5 41.
Qg4 Qc5 1-0

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.23"]
[Round "12"]
[White "Kavalek, Lubomir"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1973.09.09"]
[PlyCount "23"]

1.e4 g6 2.d4 d6 3.Nf3 Nf6 4.Nbd2 Bg7 5.Bc4 O-O 6.Qe2 Nc6 7.c3 e5 8.dxe5 
Nxe5 9.Nxe5 dxe5 10.Nf3 Qe7 11.O-O Be6 12.Nxe5 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.23"]
[Round "12"]
[White "Grefe, John"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "B81"]
[EventDate "1973.09.09"]
[PlyCount "33"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.h3 a6 8.Bg2 Qc7 
9.O-O Nc6 10.Be3 Bd7 11.Qe2 Be7 12.f4 Nxd4 13.Bxd4 e5 14.Be3 exf4 15.Rxf4 
Be6 16.Bd4 O-O 17.Nd5 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.26"]
[Round "13"]
[White "Benko, Pal"]
[Black "Grefe, John"]
[Result "0-1"]
[ECO "A15"]
[EventDate "1973.09.09"]
[PlyCount "116"]

1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 O-O 5.e3 d6 6.d3 e5 7.Nbd2 Nh5 8.Qc2 f5 
9.Be2 Qe8 10.Nb3 Nc6 11.a3 Bd7 12.Bc3 h6 13.Nfd2 Nd8 14.Qb2 Qe7 15.Nf3 Nf6
16.Nfd2 Nf7 17.O-O g5 18.Rae1 Kh7 19.f4 Rae8 20.Qa1 Bh8 21.Kh1 Rg8 22.fxe5
dxe5 23.d4 e4 24.d5 g4 25.Nc5 Bc8 26.Ndb3 Nh5 27.Bxh8 Nxh8 28.Ne6 Bxe6 29.
dxe6 Rg5 30.Nd4 Rf8 31.Rd1 Ng7 32.c5 Ng6 33.Kg1 Nh4 34.g3 Nf3+ 35.Bxf3 
gxf3 36.Qa2 c6 37.Kf2 Re8 38.Rd2 Nxe6 39.Nxe6 Qxe6 40.Qxe6 Rxe6 41.Rfd1 
Rg7 42.Rd8 b6 43.Rc1 Rb7 44.h3 bxc5 45.Rxc5 Rb5 46.Rc1 Rd5 47.Rxc6 Rxc6 
48.Rxd5 Rc2+ 49.Kf1 Kg6 50.Ra5 Re2 51.g4 fxg4 52.hxg4 Rxe3 53.Re5 Kf6 54.
Ra5 Ke6 55.a4 Rb3 56.Kf2 Rb2+ 57.Ke3 Re2+ 58.Kd4 f2 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.26"]
[Round "13"]
[White "Karklins, Andrew"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "B83"]
[EventDate "1973.09.09"]
[PlyCount "112"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Be3 Nf6 7.Be2 Be7 8.O-O 
O-O 9.f4 Nxd4 10.Bxd4 b6 11.Qe1 Bb7 12.Qg3 g6 13.e5 dxe5 14.Bxe5 Bc5+ 15.
Kh1 Nd7 16.Rad1 Qe7 17.Bf3 Bxf3 18.Qxf3 Rad8 19.Bc7 Rc8 20.Be5 f5 21.Rfe1 
Rfd8 22.Bd4 Nf6 23.Bxc5 bxc5 24.Nd5 Nxd5 25.Rxd5 Rxd5 26.Qxd5 Kf7 27.Qc4 
Rb8 28.Qc3 Qd6 29.b3 Rd8 30.Qe3 Qc6 31.c3 Rd5 32.h3 a5 33.Qe2 Qd6 34.Qc4 
h6 35.a4 Kf6 36.Kg1 g5 37.fxg5+ hxg5 38.Qe2 Re5 39.Qf2 Rxe1+ 40.Qxe1 Qd3 
41.h4 g4 42.g3 e5 43.c4 f4 44.gxf4 exf4 45.Qxa5 Qd1+ 46.Kh2 g3+ 47.Kh3 
Qd7+ 48.Kg2 Qc6+ 49.Kg1 Kf5 50.Qd8 Kg4 51.Qg5+ Kf3 52.Kf1 Qe4 53.Qh5+ Ke3 
54.Qe2+ Kd4 55.Qxe4+ Kxe4 56.h5 Kf3 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.26"]
[Round "13"]
[White "Kane, George"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "E91"]
[EventDate "1973.09.09"]
[PlyCount "30"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.Nf3 Bg7 6.e4 O-O 7.Be2 e6 8.O-O Re8 9.
Nd2 Na6 10.dxe6 Bxe6 11.Re1 Bd7 12.Bd3 Nb4 13.Nf1 Nxd3 14.Qxd3 Bc6 15.Bg5 
Qb6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.26"]
[Round "13"]
[White "Gilden, Lawrence C"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B50"]
[EventDate "1973.09.09"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.e5 dxe5 5.Nxe5 a6 6.a4 Qc7 7.d4 e6 8.Be3 Be7 
9.Nc4 Nbd7 10.d5 exd5 11.Nxd5 Nxd5 12.Qxd5 O-O 13.Bd3 Nf6 14.Qf3 Bg4 15.
Qg3 Qxg3 16.hxg3 h6 17.f3 Be6 18.Nb6 Rad8 19.Kf2 Nd5 20.Nxd5 Bxd5 21.g4 
Rde8 22.Rad1 Bc6 23.b3 b5 24.axb5 axb5 25.Ra1 Ra8 26.Rxa8 Rxa8 27.Rh5 Bd6 
28.g5 hxg5 29.Rxg5 Be7 30.Re5 Bd6 31.Rh5 g6 32.Rg5 Be7 33.Rg4 Kg7 34.Be4 
Rc8 35.Bxc6 Rxc6 36.Re4 Kf8 37.c4 b4 38.Re5 f6 39.Rd5 Kf7 40.Rd7 Ke6 41.
Ra7 f5 42.Ke2 Bf6 1/2-1/2

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.26"]
[Round "13"]
[White "Bisguier, Arthur Bernard"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1973.09.09"]
[PlyCount "108"]

1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.e5 Nd5 5.d4 cxd4 6.cxd4 d6 7.Nc3 Be7 8.exd6 
Qxd6 9.Bd3 Nc6 10.O-O O-O 11.Ne4 Qd8 12.a3 b6 13.Bb1 Ba6 14.Re1 Rc8 15.
Neg5 g6 16.h4 Na5 17.Nxh7 Kxh7 18.h5 Kg7 19.hxg6 f6 20.Rxe6 Rh8 21.Bd3 
Bxd3 22.Qxd3 Rc6 23.Re4 Qc8 24.Bd2 Qf5 25.Rae1 Re6 26.Bxa5 bxa5 27.g3 Qxg6
28.Qb1 Rxe4 29.Rxe4 f5 30.Re5 Qh5 31.Nh4 Bxh4 32.Qxf5 Qxf5 33.Rxf5 Ne7 34.
Rxa5 Bf6 35.Rxa7 Rd8 36.b4 Rxd4 37.b5 Rd1+ 38.Kg2 Rb1 39.a4 Kg6 40.Rb7 Ra1
41.Ra7 Rb1 42.Rb7 Nf5 43.b6 Nd6 44.Rb8 Bc3 45.Kf3 Ba5 46.Kg4 Rxb6 47.Ra8 
Be1 48.a5 Rc6 49.f4 Rc3 50.f5+ Kf6 51.a6 Rxg3+ 52.Kf4 Ra3 53.a7 Bd2+ 54.
Kg4 Nf7 0-1

[Event "22nd USA-ch"]
[Site "El Paso, TX USA"]
[Date "1973.09.26"]
[Round "13"]
[White "Mednis, Edmar John"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[ECO "B32"]
[EventDate "1973.09.09"]
[PlyCount "107"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.
Qa3 Nge7 9.Nc3 Nd4 10.Bd3 Qg6 11.Be3 Rb8 12.Qc5 d6 13.Qc7 Nec6 14.Nd5 O-O 
15.Bxd4 exd4 16.O-O Qe6 17.f4 Qd7 18.Qxd7 Bxd7 19.Nb6 Be6 20.f5 Bc8 21.Bc4
Re8 22.Rae1 Ne5 23.Bd5 Bd7 24.Nxd7 Nxd7 25.Rd1 Nf6 26.Rxd4 Nxd5 27.Rxd5 
Rxe4 28.Rxd6 Re2 29.Rf2 Re1+ 30.Rf1 Re2 31.Rfd1 Rbe8 32.R1d2 h5 33.Kf1 
Rxd2 34.Rxd2 Re5 35.Rf2 Kf8 36.Rf3 Rc5 37.c3 Ke7 38.f6+ gxf6 39.Kf2 f5 40.
Rf4 Kf6 41.Rd4 Rb5 42.b4 Re5 43.a4 b5 44.axb5 axb5 45.Kf3 Re1 46.Rd6+ Kg5 
47.Rd5 Rc1 48.Rc5 Rc2 49.h3 Kf6 50.Kf4 Rf2+ 51.Kg3 Rc2 52.Kf4 Rf2+ 53.Kg3 
Rc2 54.Kf4 1/2-1/2
