[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.18"]
[Round "1"]
[White "Hort, Vlastimil"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E87"]
[EventDate "1969.02.18"]
[PlyCount "113"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 Nh5 8.Qd2 f5 9.
O-O-O Nd7 10.Bd3 fxe4 11.Nxe4 Nf4 12.Bc2 Nb6 13.b3 a5 14.g3 Nh5 15.g4 Nf4 
16.Ne2 a4 17.N2c3 Bd7 18.Kb2 Nc8 19.h4 c5 20.h5 axb3 21.axb3 g5 22.h6 Bh8 
23.Ra1 Rxa1 24.Rxa1 Be8 25.Ra8 Bg6 26.Nb5 Bxe4 27.Bxe4 Qf6 28.Qa5 Qxh6 29.
Qc7 Qh2+ 30.Ka3 Qh1 31.Bxh7+ Qxh7 32.Qxh7+ Kxh7 33.Nxd6 Nxd5 34.cxd5 Rxf3 
35.Rxc8 Rxe3 36.Rxc5 e4 37.Rc4 Rd3 38.Nxe4 Rxd5 39.Rc7+ Kg6 40.Rxb7 Bd4 
41.Re7 Be3 42.Re6+ Kf7 43.Rc6 Bf4 44.Rc5 Ke6 45.Kb4 Rd4+ 46.Rc4 Rd1 47.Kb5
Rg1 48.Rc6+ Ke5 49.Nf6 Rb1 50.b4 Bd2 51.Nd7+ Kf4 52.Rc4+ Kf3 53.Nf6 Rc1 
54.Kc5 Re1 55.b5 Re6 56.Nd5 Be1 57.Nc7 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.19"]
[Round "2"]
[White "Reshevsky, Samuel Herman"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1969.02.18"]
[PlyCount "88"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2 c6 7.Be2 Ne4 8.O-O Nxd2
9.Qxd2 dxc4 10.Bxc4 Nd7 11.Rfd1 Nb6 12.Be2 Be6 13.Ne4 Qc7 14.Nc5 Bd5 15.
Qa5 Rfc8 16.e4 Bc4 17.Bxc4 Nxc4 18.Qc3 Nb6 19.Qb3 e6 20.e5 Nd5 21.Rac1 Bf8
22.Ng5 b6 23.Nce4 Qd7 24.h4 h6 25.Nf3 Be7 26.Nfd2 h5 27.Qg3 Qd8 28.Nf3 c5 
29.dxc5 bxc5 30.Nfg5 Bxg5 31.hxg5 Qb6 32.b3 Kg7 33.Qf3 Rab8 34.Nf6 Nxf6 
35.Qxf6+ Kg8 36.Rd7 Rf8 37.Qe7 Rbe8 38.Qxc5 Qa6 39.Qxa7 Qe2 40.Qd4 Qxa2 
41.Rb7 Rd8 42.Qf4 Rd5 43.g3 Qa6 44.Rbc7 Qe2 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.20"]
[Round "3"]
[White "Stein, Leonid"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C93"]
[EventDate "1969.02.18"]
[PlyCount "126"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.h3 d6 
9.c3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bb7 13.Ng3 Na5 14.Bc2 Nc4 15.a4 d5 
16.b3 dxe4 17.Nxe4 Nxe4 18.Rxe4 f5 19.Re1 e4 20.bxc4 exf3 21.axb5 Qf6 22.
bxa6 Qg6 23.g4 Be4 24.Bxe4 fxe4 25.Qa4 h5 26.Qd7 hxg4 27.Qxg4 Rxa6 28.Bf4 
Qxg4+ 29.hxg4 Rg6 30.g5 Bd6 31.Bd2 Kf7 32.Ra5 Rge6 33.c5 Be7 34.Ra7 c6 35.
Kh2 Kg6 36.Kg3 Rg8 37.Kg4 Rh8 38.Bf4 Rh5 39.Be5 Rxg5+ 40.Kf4 Bf6 41.Rxe4 
Rf5+ 42.Kg4 Rg5+ 43.Kxf3 Bxe5 44.Ke3 Kf6 45.dxe5+ Rgxe5 46.Rxe5 Rxe5+ 47.
Kd4 Rd5+ 48.Kc4 Rf5 49.Rc7 Rf4+ 50.Kd3 Ke5 51.Rxg7 Rxf2 52.Rd7 Ke6 53.Rd6+
Ke7 54.Kc4 Rb2 55.Rxc6 Kd7 56.Rb6 Rc2 57.Kb5 Rxc3 58.Rb7+ Kc8 59.Rh7 Rc1 
60.Kc6 Kb8 61.Rh8+ Ka7 62.Rd8 Rc2 63.Kd6 Kb7 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.21"]
[Round "4"]
[White "Hort, Vlastimil"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1969.02.18"]
[PlyCount "44"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nc5 11.Nf5 Bxf5 12.exf5 Qd7 13.Qg4 g5 14.Ne3 Rfe8 15.
h3 Qd4 16.Rd1 Rad8 17.Rb1 Qxg4 18.hxg4 e4 19.d4 Na4 20.Nf1 c5 21.Be3 cxd4 
22.Rxd4 Rxd4 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.22"]
[Round "5"]
[White "Reshevsky, Samuel Herman"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E92"]
[EventDate "1969.02.18"]
[PlyCount "36"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.Be3 c6 8.Qd2 Re8 
9.d5 Ng4 10.Bg5 f6 11.Bh4 c5 12.h3 Nh6 13.O-O Nd7 14.a3 Nf7 15.b4 a5 16.
bxa5 Rxa5 17.Ne1 Nb6 18.Nc2 Na4 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.24"]
[Round "6"]
[White "Stein, Leonid"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[ECO "B10"]
[EventDate "1969.02.18"]
[PlyCount "87"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Ne7 7.O-O O-O 8.c3 Nd7 
9.b4 b6 10.Bb2 Bb7 11.Re1 Re8 12.Bh3 Qc7 13.exd5 cxd5 14.c4 d4 15.Rc1 f5 
16.Bg2 Bf6 17.c5 b5 18.Nb3 Bd5 19.a4 a6 20.Na5 Nc6 21.axb5 axb5 22.Nxe5 
Nxb4 23.Nxd7 Qxd7 24.c6 Qf7 25.Rxe8+ Rxe8 26.Nb7 Be5 27.Bxd5 Qxd5 28.Rc5 
Qf7 29.Qf3 g5 30.c7 g4 31.Qd1 Bxc7 32.Qd2 Bb6 33.Rxb5 Nxd3 34.Nd6 Qd7 35.
Qg5+ Kh8 36.Qf6+ Kg8 37.Qg5+ Kh8 38.Nxe8 Qxe8 39.Qxf5 Ne5 40.Rxb6 Nf3+ 41.
Kg2 Qa8 42.Qf6+ Kg8 43.Qe6+ Kh8 44.Qc6 1-0

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.25"]
[Round "7"]
[White "Hort, Vlastimil"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1969.02.18"]
[PlyCount "52"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 Nbd7 6.Nf3 O-O 7.O-O e5 8.d5 Nc5 
9.Nd2 a5 10.Qc2 Bh6 11.Nb3 Bxc1 12.Raxc1 Nfd7 13.Nd2 f5 14.exf5 gxf5 15.f4
exf4 16.Rxf4 Ne5 17.Nb3 Qg5 18.Rcf1 Ng6 19.R4f2 Bd7 20.Nxc5 dxc5 21.Bd3 
Ne5 22.Bxf5 Bxf5 23.Rxf5 Rxf5 24.Qxf5 Qxf5 25.Rxf5 Nxc4 26.Ne4 b6 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.26"]
[Round "8"]
[White "Reshevsky, Samuel Herman"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[ECO "D92"]
[EventDate "1969.02.18"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.Rc1 c5 7.dxc5 dxc4 8.e4 
Na6 9.Bxc4 Nxc5 10.e5 Nfd7 11.O-O Nb6 12.Qe2 Be6 13.Bb5 a6 14.Rfd1 Qb8 15.
b4 axb5 16.bxc5 b4 17.cxb6 bxc3 18.Rxc3 Rxa2 19.Qe3 Qa8 20.h3 Qa6 21.Qc5 
h6 22.Be3 Re8 23.Rcc1 Bf5 24.Qc7 Kh7 25.Nd4 Be4 26.e6 f5 27.Nb3 Qe2 28.Re1
Qb2 29.Qd7 Raa8 30.Nd2 Rad8 31.Qa4 Ra8 32.Qd7 Rad8 33.Qa4 Ra8 34.Qb3 Qxb3 
35.Nxb3 Ra3 36.Nc5 Bc6 37.Red1 g5 38.Nd7 f4 39.Bd4 Rb3 40.Bxg7 Kxg7 41.Rb1
Rxb1 42.Rxb1 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.27"]
[Round "9"]
[White "Stein, Leonid"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C93"]
[EventDate "1969.02.18"]
[PlyCount "73"]

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.Nbd2 Bf8 12.Nf1 Bb7 13.Ng3 Na5 14.Bc2 Nc4 15.a4 d5 
16.b3 dxe4 17.Nxe4 Nxe4 18.Rxe4 Bxe4 19.Bxe4 Nb6 20.Bxa8 Nxa8 21.axb5 axb5
22.Be3 exd4 23.Nxd4 Qd5 24.Nf3 Qxd1+ 25.Rxd1 c5 26.Rd7 Nb6 27.Rb7 Nd5 28.
Bd2 b4 29.cxb4 Nxb4 30.Rd7 Nc6 31.Rc7 Nb4 32.Rd7 Nc6 33.Be3 Na5 34.Nd2 Rb8
35.Rd3 Rc8 36.Rc3 c4 37.Nxc4 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.28"]
[Round "10"]
[White "Hort, Vlastimil"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "A33"]
[EventDate "1969.02.18"]
[PlyCount "91"]

1.c4 Nf6 2.Nf3 c5 3.Nc3 e6 4.d4 cxd4 5.Nxd4 Nc6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.
Nxc3 d5 9.Bg5 O-O 10.e3 h6 11.Bh4 dxc4 12.Bxc4 Ne5 13.Be2 Ng6 14.Bg3 Bd7 
15.O-O Bc6 16.Rc1 Qa5 17.Qb3 a6 18.Qb4 Qxb4 19.axb4 Rfd8 20.Rfd1 Ne7 21.
Kf1 Ned5 22.Rd4 Rac8 23.Rcd1 Re8 24.Nxd5 Nxd5 25.e4 Nc7 26.f3 Ba4 27.R1d2 
e5 28.Rc4 f6 29.Bf2 Ne6 30.g3 Kf8 31.Bb6 Ke7 32.Kf2 Bb5 33.Rcc2 Ba4 34.Rc3
Rc6 35.Rxc6 Bxc6 36.Ke3 g5 37.Bf1 Rc8 38.Rc2 Ra8 39.Bh3 Kf7 40.Rd2 Ke7 41.
Bf5 Rg8 42.Kf2 Bb5 43.Rd1 Rh8 44.Ke3 h5 45.h4 gxh4 46.gxh4 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.02.29"]
[Round "11"]
[White "Reshevsky, Samuel Herman"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E81"]
[EventDate "1969.02.18"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 c6 6.Be3 a6 7.a4 a5 8.Bd3 Na6 9.
Nge2 O-O 10.O-O e5 11.Qd2 Nd7 12.Rad1 exd4 13.Nxd4 Ndc5 14.Bb1 Qb6 15.f4 
f5 16.exf5 gxf5 17.g4 Nb3 18.Nxb3 Qxb3 19.Bd4 Bxd4+ 20.Qxd4 Qb4 21.Rfe1 
Qc5 22.Qxc5 Nxc5 23.Rxd6 fxg4 24.Re5 Ne6 25.Rh5 Nxf4 26.Rxh7 Be6 27.Rxb7 
Rab8 28.Rxb8 Rxb8 29.Kf2 Rxb2+ 30.Ke3 Ng2+ 31.Kd4 Rd2+ 32.Kc5 Rxd6 33.Kxd6
Bxc4 34.Kxc6 Ne3 35.Ne4 Kg7 36.Nf2 Ba6 37.Bd3 Bxd3 38.Nxd3 Nf1 39.Kb5 Nxh2
40.Kxa5 Nf3 41.Kb6 Nd2 1/2-1/2

[Event "Interzonal play-off"]
[Site "Los Angeles USA"]
[Date "1968.03.02"]
[Round "12"]
[White "Stein, Leonid"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[ECO "B10"]
[EventDate "1969.02.18"]
[PlyCount "80"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Ne7 7.O-O O-O 8.b4 a5 9.
bxa5 Qxa5 10.Bb2 d4 11.a4 Qc7 12.c3 dxc3 13.Bxc3 Rd8 14.Nc4 Be6 15.Ne3 h6 
16.Qb1 Na6 17.Nc4 Bxc4 18.dxc4 c5 19.Re1 Nc6 20.Nd2 h5 21.Nf1 Bh6 22.Ne3 
Bxe3 23.Rxe3 Nab4 24.Bf3 Rd6 25.Qb2 Rad8 26.Kg2 Qe7 27.h4 Qe6 28.Be2 Nd4 
29.Rc1 R8d7 30.a5 Ndc6 31.Qa1 Rd8 32.Qa4 Qe7 33.Rb1 Ra8 34.Qb5 Rxa5 35.Qb6
Rd7 36.Bxb4 cxb4 37.Rd3 Ra2 38.Rbd1 Nd4 39.R1d2 Ra6 40.Qb5 b3 0-1

