[Event "21st USA-Ch play-off"]
[Site "Chicago USA"]
[Date "1973.02.03"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2565"]
[ECO "C95"]
[EventDate "1973.02.??"]
[PlyCount "123"]

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 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.b4 Bf8 14.a4 Nb6 15.a5 Nbd7 
16.Bb2 Qb8 17.c4 bxc4 18.Ba4 c6 19.Nxc4 exd4 20.Qxd4 d5 21.exd5 Rxe1+ 22.
Nxe1 Nxd5 23.Nd3 Qc7 24.Ne3 N7f6 25.Nxd5 Nxd5 26.Nc5 Rd8 27.Rd1 Bc8 28.Qc4
Re8 29.Nd3 Bb7 30.Rc1 Qd8 31.Ne5 Qf6 32.Bxc6 Bxc6 33.Qxc6 Qxc6 34.Nxc6 
Nxb4 35.Bd4 h5 36.Bb6 Kh7 37.Nxb4 Bxb4 38.Kf1 Re5 39.Ra1 Kg6 40.g3 f6 41.
Ra4 Rb5 42.Ke2 Bc5 43.Bxc5 Rxc5 44.Kf3 Kf7 45.g4 h4 46.Kg2 Ke6 47.Rb4 Rxa5
48.Rb7 g5 49.Ra7 f5 50.gxf5+ Kxf5 51.Kf3 Ra3+ 52.Kg2 g4 53.hxg4+ Kxg4 54.
f3+ Kg5 55.Rg7+ Kh6 56.Rg4 Kh5 57.Rc4 a5 58.Rc5+ Kg6 59.Rc6+ Kg5 60.Rc5+ 
Kf6 61.Rh5 Ra4 62.Kh3 1/2-1/2

[Event "21st USA-Ch play-off"]
[Site "Chicago USA"]
[Date "1973.02.04"]
[Round "2"]
[White "Byrne, Robert"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2555"]
[ECO "B92"]
[EventDate "1973.02.??"]
[PlyCount "24"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Nbd7 7.Be2 Nc5 8.Bf3 
Bd7 9.Nb3 e5 10.Nxc5 dxc5 11.O-O Be7 12.Qe2 O-O 1/2-1/2

[Event "21st USA-Ch play-off"]
[Site "Chicago USA"]
[Date "1973.02.05"]
[Round "3"]
[White "Reshevsky, Samuel Herman"]
[Black "Byrne, Robert"]
[Result "0-1"]
[WhiteElo "2565"]
[BlackElo "2560"]
[ECO "E92"]
[EventDate "1973.02.??"]
[PlyCount "80"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bc1 f5 10.Bg5 Qe8 11.dxe5 Nxe5 12.Nxe5 Qxe5 13.exf5 Qxf5 14.Be3 Nc6 15.
Qd2 Be6 16.O-O Rae8 17.b3 Bc8 18.Rad1 Qf7 19.Nd5 b6 20.f4 Nd8 21.Bf3 Ne6 
22.Bg4 Nc5 23.Bxc8 Rxc8 24.f5 gxf5 25.Rxf5 Qd7 26.Rdf1 Rxf5 27.Rxf5 c6 28.
Bxc5 Kh8 29.Ne7 Qxe7 30.Qxd6 Qe2 31.Rf2 Qh5 32.Be3 Re8 33.Rf3 c5 34.h3 Qh4
35.Bf2 Qe4 36.Re3 Qb1+ 37.Kh2 Rg8 38.Bg3 Qxa2 39.Be5 Qxg2+ 40.Kxg2 Bxe5+ 
0-1

[Event "21st USA-Ch play-off"]
[Site "Chicago USA"]
[Date "1973.02.07"]
[Round "4"]
[White "Reshevsky, Samuel Herman"]
[Black "Kavalek, Lubomir"]
[Result "1-0"]
[WhiteElo "2565"]
[BlackElo "2555"]
[ECO "B37"]
[EventDate "1973.02.??"]
[PlyCount "73"]

1.Nf3 g6 2.c4 Bg7 3.Nc3 c5 4.d4 cxd4 5.Nxd4 Nc6 6.Nc2 d6 7.e4 Nh6 8.Be2 f5
9.h4 fxe4 10.h5 Bf5 11.hxg6 hxg6 12.Ne3 Nf7 13.Rxh8+ Bxh8 14.g4 Be6 15.Qc2
Ng5 16.Nxe4 Nd4 17.Qd3 Ndf3+ 18.Kf1 Qa5 19.Bxf3 Nxf3 20.Bd2 Nxd2+ 21.Nxd2 
Bxb2 22.Rb1 Be5 23.Rxb7 Kf7 24.Nf3 Rh8 25.Ng5+ Kf6 26.Nxe6 Rh1+ 27.Kg2 
Rh2+ 28.Kf3 Rh3+ 29.Ke4 Kxe6 30.Qd5+ Qxd5+ 31.Nxd5 Kf7 32.Rxe7+ Kf8 33.c5 
Ra3 34.c6 Ra4+ 35.Kf3 Rc4 36.c7 Bf6 37.Rd7 1-0

[Event "21st USA-Ch play-off"]
[Site "Chicago USA"]
[Date "1973.02.08"]
[Round "5"]
[White "Kavalek, Lubomir"]
[Black "Byrne, Robert"]
[Result "0-1"]
[WhiteElo "2555"]
[BlackElo "2560"]
[ECO "E90"]
[EventDate "1973.02.??"]
[PlyCount "80"]

1.c4 g6 2.d4 Nf6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.h3 e5 7.d5 Na6 8.Bg5 Qe8 9.
g4 Nd7 10.Rg1 Kh8 11.Qd2 Ndc5 12.O-O-O Bd7 13.h4 f5 14.gxf5 gxf5 15.Bh6 
Bxh6 16.Qxh6 Qe7 17.Ng5 Rf6 18.Qh5 Raf8 19.Bh3 Be8 20.Qe2 fxe4 21.Ncxe4 
Rf4 22.f3 Rxh4 23.Rg3 Bg6 24.Rdg1 Rff4 25.Qg2 Nxe4 26.fxe4 Qf8 27.Nf3 Rxe4
28.Rxg6 hxg6 29.Nxh4 Rxc4+ 30.Kb1 Rxh4 31.Be6 Qf4 32.Ka1 g5 33.Qc2 Kg7 34.
a3 Nc5 35.Qd1 Rh2 36.Rf1 Rf2 37.Rxf2 Qxf2 38.Qh5 Qf1+ 39.Ka2 Nxe6 40.dxe6 
Qc4+ 0-1

[Event "21st USA-Ch play-off"]
[Site "Chicago USA"]
[Date "1973.02.10"]
[Round "6"]
[White "Byrne, Robert"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2565"]
[ECO "C95"]
[EventDate "1973.02.??"]
[PlyCount "55"]

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 Nb8 10.d4 Nbd7 11.Nh4 Nb6 12.Nd2 Bb7 13.Nf5 c5 14.Nf1 c4 15.Bc2 Re8 
16.N1g3 Bf8 17.Be3 Nbd7 18.d5 Kh8 19.b4 cxb3 20.axb3 Ng8 21.Bd2 Qb6 22.Ne3
Ne7 23.Qf3 f6 24.Rec1 Rec8 25.b4 Qd8 26.Bd3 Nb6 27.c4 bxc4 28.Nxc4 1/2-1/2

