[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Gruenfeld, Yehuda"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2525"]
[ECO "B33"]
[EventDate "1979.09.05"]
[PlyCount "30"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Nd5 Be7 11.Nxe7 Qxe7 12.Bd3 O-O 13.O-O h6 14.Bh4 Bb7 15.c3 
Qe6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Ljubojevic, Ljubomir"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2620"]
[ECO "B92"]
[EventDate "1979.09.05"]
[PlyCount "37"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 a6 6.Be2 g6 7.O-O Bg7 8.Be3 
O-O 9.a4 Nc6 10.Nb3 Be6 11.Ra3 d5 12.exd5 Nxd5 13.Nxd5 Qxd5 14.Qxd5 Bxd5 
15.c4 Be6 16.Nc5 Nd4 17.Bxd4 Bxd4 18.Nxe6 fxe6 19.a5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Miles, Anthony John"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2370"]
[ECO "D85"]
[EventDate "1979.09.05"]
[PlyCount "75"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 c5 8.Be3 
Nc6 9.Rc1 cxd4 10.cxd4 O-O 11.d5 Na5 12.Be2 e6 13.d6 e5 14.Rc7 Be6 15.Ng5 
Rc8 16.Nxe6 fxe6 17.Rxc8 Qxc8 18.O-O Nc6 19.d7 Qc7 20.Bg4 Nd4 21.Bxd4 exd4
22.Qb3 Kh8 23.Qxe6 Be5 24.g3 Bf6 25.Kg2 Kg7 26.Qd5 b6 27.Re1 Qc5 28.Qb7 
Bd8 29.e5 d3 30.Re3 d2 31.e6 Kh6 32.Qe4 Be7 33.h4 Kg7 34.Qe5+ Qxe5 35.Rxe5
h6 36.Bd1 Kf6 37.Re4 Bc5 38.Rf4+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Trois, Francisco"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2625"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "90"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Ba6 5.Qa4 c5 6.Bg2 Bb7 7.O-O cxd4 8.Nxd4 
Bxg2 9.Kxg2 Be7 10.f3 O-O 11.Rd1 Qc8 12.Nc3 a6 13.e4 d6 14.Be3 Qb7 15.Rac1
Rc8 16.Qb3 Nbd7 17.Nb1 Nc5 18.Qc2 b5 19.Qe2 bxc4 20.Rxc4 d5 21.exd5 Nxd5 
22.Bf2 Bg5 23.Kg1 h6 24.h4 Bf6 25.b3 Rc7 26.Nd2 Rac8 27.Rdc1 Nb4 28.Ne4 
Nxe4 29.fxe4 Rxc4 30.Rxc4 Rxc4 31.bxc4 Qc7 32.a3 Bxd4 33.axb4 Qxg3+ 34.Kf1
Qh3+ 35.Ke1 Qc3+ 36.Kf1 Bxf2 37.Kxf2 Qxb4 38.Qa2 a5 39.Qc2 a4 40.c5 a3 41.
c6 Qb2 42.Qxb2 axb2 43.c7 b1=Q 44.c8=Q+ Kh7 45.Qc4 Qh1 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Gheorghiu, Florin"]
[Black "Romanishin, Oleg"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2560"]
[ECO "E12"]
[EventDate "1979.09.05"]
[PlyCount "47"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Ba6 5.e3 d5 6.Nbd2 Be7 7.b4 O-O 8.Bb2 Nbd7 
9.Qa4 Qc8 10.Rc1 c5 11.Be2 dxc4 12.dxc5 bxc5 13.b5 Bb7 14.Qc2 Rd8 15.O-O 
Nb6 16.Ne5 a6 17.bxa6 Bxa6 18.Ndxc4 Nxc4 19.Nxc4 Qc7 20.Rfd1 Rxd1+ 21.Qxd1
Bb5 22.Qb3 Ba4 23.Qc3 Bf8 24.f3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Tal, Mikhail"]
[Black "Tseshkovsky, Vitaly"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2560"]
[ECO "B33"]
[EventDate "1979.09.05"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Nd5 Nxd5 8.
exd5 Nb8 9.c4 a6 10.Nc3 Be7 11.Be2 O-O 12.O-O f5 13.f4 Bf6 14.Qc2 Nd7 15.
Kh1 g6 16.g3 Re8 17.Bd2 b6 18.Rae1 Bg7 19.b3 Ra7 20.a4 Rc7 21.Bd1 Bb7 22.
g4 e4 23.gxf5 gxf5 24.Be3 Nc5 25.Rg1 Nd3 26.Ref1 Qh4 27.Rg3 Kh8 28.Bxb6 
Rf7 29.Be3 Rf6 30.Qg2 Rg6 31.Rxg6 hxg6 32.Qxg6 Rg8 33.Rg1 Nxf4 34.Qg5 Qxg5
35.Rxg5 Bxc3 36.Rxg8+ Kxg8 37.Bxf4 Be5 38.Bxe5 dxe5 39.Kg2 Kf7 40.Bc2 Kf6 
41.Kf2 Kg5 42.Ke3 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Tarjan, James Edward"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2525"]
[ECO "B95"]
[EventDate "1979.09.05"]
[PlyCount "129"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qf3 Nbd7 8.O-O-O
h6 9.Be3 Qc7 10.Bd3 b5 11.Qg3 b4 12.Nce2 Bb7 13.f3 O-O-O 14.Kb1 d5 15.exd5
Nxd5 16.Bd2 Nc5 17.Bc4 Qxg3 18.hxg3 Nb6 19.Bb3 a5 20.c3 e5 21.Nc2 Nxb3 22.
axb3 Nd5 23.Nc1 Ba6 24.Rhe1 f6 25.c4 Ne7 26.Be3 Rxd1 27.Rxd1 Kc7 28.Bc5 
Nf5 29.Bxf8 Rxf8 30.Rd5 Kb6 31.g4 Nh4 32.Rd6+ Ka7 33.Rd7+ Bb7 34.Ne3 g5 
35.Nd3 Kb6 36.Nf2 Bc6 37.Rh7 Kc5 38.Kc2 Kd4 39.Kd2 a4 40.bxa4 Bxa4 41.Rb7 
f5 42.Rxb4 f4 43.Nd5 Bc6 44.Nc7 Kc5 45.Na6+ Kd6 46.Rb6 Nxg2 47.Ne4+ Kd7 
48.Nec5+ Kd6 49.b4 Nh4 50.Ne4+ Kd7 51.Nac5+ Kc7 52.Rxc6+ Kxc6 53.b5+ Kc7 
54.Ne6+ Kb6 55.Nxf8 Nxf3+ 56.Kc3 h5 57.gxh5 g4 58.h6 g3 59.h7 g2 60.h8=Q 
g1=Q 61.Qf6+ Ka7 62.Qa6+ Kb8 63.Nd7+ Kc7 64.Qd6+ Kd8 65.Nxe5+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Mednis, Edmar John"]
[Black "Bouaziz, Slim"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2420"]
[ECO "B92"]
[EventDate "1979.09.05"]
[PlyCount "121"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.a4 O-O 10.Be3 Nbd7 11.a5 Rc8 12.Qd2 Qc7 13.Rfc1 Qc6 14.Bf3 Rfd8 15.
Nd5 Bxd5 16.exd5 Qc4 17.Qd3 Qxd3 18.cxd3 g6 19.Rc3 Rxc3 20.bxc3 Rc8 21.Rc1
Ne8 22.g4 Nc5 23.Nxc5 dxc5 24.c4 Nd6 25.Rb1 Bd8 26.Bd2 g5 27.Bc3 f6 28.Kg2
h6 29.Bd1 Bc7 30.Ba4 Bb8 31.Bd7 Rd8 32.Be6+ Kg7 33.Bd2 Ba7 34.Be3 Re8 35.
Kf3 Re7 36.Ke2 Kf8 37.Kd2 Ke8 38.Kc2 Kf8 39.Kd2 Re8 40.Ke2 Re7 41.h4 Re8 
42.Bd7 Rb8 43.Ba4 Rc8 44.Bd7 Rd8 45.Bf5 Re8 46.Be6 Re7 47.hxg5 hxg5 48.Rh1
Kg7 49.Bf5 Rf7 50.Rh7+ Kg8 51.Rh6 b6 52.axb6 Bxb6 53.Rg6+ Kh8 54.Bxg5 Bd8 
55.Rh6+ Kg7 56.Rg6+ Kh8 57.Be6 fxg5 58.Bxf7 Nxf7 59.Rxa6 Kg7 60.Ke3 Bc7 
61.Ke4 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.05"]
[Round "1"]
[White "Ribli, Zoltan"]
[Black "Kuzmin, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2565"]
[ECO "A16"]
[EventDate "1979.09.05"]
[PlyCount "37"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e4 d6 6.Nge2 c5 7.d3 Nc6 8.O-O Rb8 
9.Rb1 a6 10.a4 Ne8 11.Be3 Nc7 12.d4 b6 13.Qd2 e5 14.dxe5 Nxe5 15.b3 b5 16.
axb5 axb5 17.cxb5 Nxb5 18.Nxb5 Rxb5 19.Nc3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Adorjan, Andras"]
[Black "Rodriguez, Ruben"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2370"]
[ECO "A16"]
[EventDate "1979.09.05"]
[PlyCount "36"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7 7.Rb1 Nd7 8.
Nf3 Nb6 9.c4 Bd7 10.d3 Bc6 11.O-O O-O 12.Bb2 Bxb2 13.Rxb2 e5 14.Qc1 Qe7 
15.Qe3 Rfe8 16.Nd2 Bxg2 17.Kxg2 f5 18.f3 Rad8 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Gruenfeld, Yehuda"]
[Black "Ljubojevic, Ljubomir"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2590"]
[ECO "B03"]
[EventDate "1979.09.05"]
[PlyCount "74"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 c5 7.d5 e6 8.Nc3 exd5 
9.cxd5 c4 10.Nf3 Bg4 11.Qd4 Bxf3 12.gxf3 Bb4 13.Bxc4 O-O 14.Rg1 g6 15.Bg5 
Qc7 16.Bb3 Bc5 17.Qf4 Bxg1 18.d6 Qc5 19.Ne4 Qd4 20.Rd1 Qxb2 21.e6 N8d7 22.
e7 Qxh2 23.exf8=Q+ Rxf8 24.Qxh2 Bxh2 25.Nf6+ Kg7 26.Nxd7 Nxd7 27.Be7 Rb8 
28.Kf2 Be5 29.Rc1 Nc5 30.Rd1 Bf6 31.Bxf6+ Kxf6 32.Bc4 Rd8 33.Kg3 a6 34.Bf1
Ke5 35.f4+ Ke6 36.Bc4+ Kf6 37.Kf3 b5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Tseshkovsky, Vitaly"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2560"]
[ECO "B77"]
[EventDate "1979.09.05"]
[PlyCount "68"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 
Nc6 9.Bc4 Bd7 10.h4 Rc8 11.Bb3 h5 12.O-O-O Ne5 13.Kb1 Nc4 14.Bxc4 Rxc4 15.
Nb3 Qc7 16.Bd4 Bc6 17.Qe2 b5 18.e5 Nd5 19.exd6 Qxd6 20.Nxd5 Bxd5 21.Bxg7 
Kxg7 22.Qe3 e6 23.Qxa7 Ra4 24.Qe3 Rfa8 25.a3 Qg3 26.Nc5 Rxh4 27.Rxh4 Qxh4 
28.Nd7 Rd8 29.Qe5+ Kh6 30.f4 Bxg2 31.Rd2 Bc6 32.Nc5 f6 33.Qe3 Rxd2 34.Qxd2
Qh1+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Polugaevsky, Lev"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo "2625"]
[BlackElo "2615"]
[ECO "A34"]
[EventDate "1979.09.05"]
[PlyCount "56"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bc4 Be6 7.Bxe6 Nd3+ 8.
Kf1 fxe6 9.Ng5 Qb6 10.Qe2 c4 11.b3 h6 12.Nf3 Nc6 13.bxc4 O-O-O 14.g3 g5 
15.Kg2 Qc5 16.Rb1 Bg7 17.Nb5 Qxc4 18.Qe3 Rhf8 19.Rf1 g4 20.Nh4 Nxf2 21.Ng6
Rd3 22.Na3 Qa4 23.Qe1 Rdf3 24.Nxf8 Nd3 25.Qd1 Qxe4 26.Rxf3 gxf3+ 27.Kf1 
Qf5 28.Kg1 Bd4+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Romanishin, Oleg"]
[Black "Trois, Francisco"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2415"]
[ECO "A14"]
[EventDate "1979.09.05"]
[PlyCount "91"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 b6 7.cxd5 exd5 8.Nc3 
Bb7 9.Qb3 c6 10.Ne5 Na6 11.Qa4 Qe8 12.Bf4 c5 13.Qxe8 Rfxe8 14.Rad1 Red8 
15.dxc5 Nxc5 16.Nb5 Ne6 17.Be3 Bc5 18.Bxc5 bxc5 19.Rd2 a6 20.Nc3 Rab8 21.
Rfd1 d4 22.Na4 Bxg2 23.Kxg2 Rb5 24.Rc1 Nd7 25.Nd3 a5 26.Rdc2 Kf8 27.b3 Rc8
28.Rc4 Ke7 29.e3 dxe3 30.fxe3 Rc7 31.Nc3 Rbb7 32.Nd5+ Kd6 33.Nxc7 Rxc7 34.
Nf4 Nb6 35.Rd1+ Ke5 36.Nd3+ Kf6 37.Rcc1 Nd5 38.Kf2 Nb6 39.Ke2 Ke7 40.Ne5 
Nc8 41.Nc4 Ra7 42.Rd3 f6 43.a4 Ra6 44.Rcd1 f5 45.Rd7+ Kf6 46.Rb7 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Tarjan, James Edward"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2510"]
[ECO "B67"]
[EventDate "1979.09.05"]
[PlyCount "75"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f3 Be7 10.Be3 O-O 11.g4 Nxd4 12.Bxd4 Bc6 13.g5 Nh5 14.Be3 Qc7 15.Bh3
b5 16.Bg4 g6 17.Bxh5 gxh5 18.Rhg1 b4 19.Ne2 d5 20.e5 Rfc8 21.Nd4 Qxe5 22.
f4 Qe4 23.f5 e5 24.Rde1 exd4 25.Bxd4 Qxf5 26.Rxe7 Bb5 27.g6 hxg6 28.Re5 
Qf3 29.Qh6 Rxc2+ 30.Kb1 Rc1+ 31.Kxc1 Rc8+ 32.Kb1 Qd3+ 33.Ka1 Qxd4 34.Rxg6+
fxg6 35.Qxg6+ Kf8 36.Qf6+ Kg8 37.Rg5+ Kh7 38.Rxh5+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Bouaziz, Slim"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2595"]
[ECO "B84"]
[EventDate "1979.09.05"]
[PlyCount "68"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Be7 8.f4 O-O
9.Kh1 Qc7 10.a4 Nc6 11.Nb3 b6 12.Bf3 Bb7 13.Qe1 Rac8 14.Be3 Rfe8 15.Rc1 
Nd7 16.g4 Na5 17.Nxa5 bxa5 18.Bd2 Nc5 19.b3 Qb8 20.Qe2 Qa8 21.g5 d5 22.
exd5 exd5 23.Qg2 Ne4 24.Nb1 Nxd2 25.Qxd2 Bb4 26.c3 d4 27.cxb4 Bxf3+ 28.Kg1
Re2 29.Rxf3 Rxd2 30.Rxc8+ Qxc8 31.Nxd2 Qc1+ 32.Nf1 axb4 33.Kg2 Qc2+ 34.Kg3
Kf8 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Kuzmin, Gennady"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[WhiteElo "2565"]
[BlackElo "2540"]
[ECO "B99"]
[EventDate "1979.09.05"]
[PlyCount "74"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Be2 b5 11.e5 Bb7 12.Qg3 dxe5 13.fxe5 Qxe5 14.Bf4 Qc5 15.
Be3 Qe5 16.Bf4 Qc5 17.Be3 Qc8 18.Rhf1 O-O 19.Bd3 Nc5 20.Bg5 Nfe4 21.Nxe4 
Nxe4 22.Bxe4 Bxg5+ 23.Qxg5 Bxe4 24.Qe5 Bg6 25.h4 Rd8 26.Qe2 Qc5 27.Nb3 Qc6
28.g4 h6 29.h5 Bh7 30.Qf2 f6 31.Rfe1 e5 32.Nc5 Rd5 33.Rxd5 Qxd5 34.Qe3 Rc8
35.Rd1 Qxc5 36.Rd8+ Kf7 37.Qb3+ Ke7 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.06"]
[Round "2"]
[White "Larsen, Bent"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2435"]
[ECO "A00"]
[EventDate "1979.09.05"]
[PlyCount "45"]

1.g3 e5 2.c4 Nf6 3.Bg2 d5 4.cxd5 Nxd5 5.Nc3 Nb6 6.d3 Be7 7.Nf3 Nc6 8.O-O 
Bg4 9.Be3 O-O 10.a4 a6 11.a5 Nd5 12.Nxd5 Qxd5 13.Nd4 Qd7 14.Nxc6 bxc6 15.
Qc2 Rab8 16.Bxc6 Qe6 17.Rfc1 f5 18.Ba7 Rbd8 19.f3 Bh3 20.Qc4 Qxc4 21.Rxc4 
Bf6 22.Rac1 Bg5 23.Rb1 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Ljubojevic, Ljubomir"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2525"]
[ECO "B33"]
[EventDate "1979.09.05"]
[PlyCount "52"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Nd5 Be7 11.Nxe7 Nxe7 12.Bxf6 gxf6 13.c4 Bb7 14.cxb5 Bxe4 
15.Qa4 d5 16.bxa6+ Kf8 17.Qb4 Rg8 18.f3 Bf5 19.g4 Bc8 20.O-O-O Bxa6 21.Kb1
Kg7 22.Nb5 Nc6 23.Qc5 Qa5 24.a4 Nd4 25.b3 Nxb3 26.Qxd5 Qb4 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Miles, Anthony John"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2625"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "154"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.O-O d5 
9.Bc3 Nbd7 10.Nbd2 O-O 11.Bb2 c5 12.dxc5 bxc5 13.e3 Bb7 14.Qc2 a5 15.Rad1 
Qc7 16.Nb1 Bc6 17.Rc1 Rfd8 18.cxd5 Nxd5 19.a3 a4 20.b4 Rac8 21.bxc5 Nxc5 
22.Nd4 Bb7 23.Ba1 Qb6 24.Qa2 Nb3 25.Rxc8 Rxc8 26.Nd2 Nxd2 27.Qxd2 Bxa3 28.
Qa2 Qc5 29.Nc2 Qxc2 30.Qxa3 Ba6 31.Re1 Qd2 32.Rb1 h6 33.Be4 Nf6 34.Bxf6 
gxf6 35.Kg2 f5 36.Qxa4 Be2 37.Bc6 Bd3 38.Rd1 Qc2 39.Bd7 Rd8 40.Ra1 Be4+ 
41.Kg1 Qxa4 42.Bxa4 Ra8 43.Ra2 Bd5 44.Ra3 Kg7 45.Kf1 Be4 46.Ke1 Bc2 47.
Bxc2 Rxa3 48.Bd1 Ra1 49.Kd2 Kf6 50.Bf3 Ke5 51.Bg2 Ra2+ 52.Ke1 Kd6 53.Bf3 
Kc5 54.Bg2 Rb2 55.Bf1 Rb1+ 56.Ke2 Kc4 57.Bg2 Rb2+ 58.Ke1 Kc3 59.Bf1 e5 60.
Bg2 f6 61.Bh3 f4 62.exf4 exf4 63.Bg4 Kd3 64.Bf5+ Kd4 65.gxf4 Kd5 66.Kf1 
Rb4 67.Kg2 Rxf4 68.Bd3 Rb4 69.Kf3 Ke5 70.Bf1 h5 71.Ba6 Rb3+ 72.Kg2 h4 73.
Bc8 f5 74.Bd7 Rc3 75.Be8 Ke4 76.Bh5 h3+ 77.Kf1 Kd3 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Tal, Mikhail"]
[Black "Romanishin, Oleg"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2560"]
[ECO "C93"]
[EventDate "1979.09.05"]
[PlyCount "75"]

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 Bb7 10.d4 Re8 11.Nbd2 Bf8 12.a3 h6 13.Bc2 Nb8 14.b4 Nbd7 15.Bb2 c5 
16.bxc5 dxc5 17.dxe5 Nh5 18.c4 Nf4 19.cxb5 axb5 20.a4 Qb6 21.axb5 Rad8 22.
Bc3 Qg6 23.Nh4 Qg5 24.Qg4 Qxg4 25.hxg4 Nxe5 26.Ra7 Bc8 27.Bb3 Rd7 28.b6 
Rb7 29.Bxe5 Rxe5 30.Nc4 Ree7 31.Nd6 Rxa7 32.bxa7 Rxa7 33.Nxc8 Rc7 34.Nb6 
Rb7 35.Rb1 c4 36.Nxc4 Ne2+ 37.Kf1 Nc3 38.Rb2 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Ribli, Zoltan"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2525"]
[ECO "A34"]
[EventDate "1979.09.05"]
[PlyCount "34"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.d4 g6 6.e4 Nxc3 7.bxc3 Bg7 8.Be3 
Nc6 9.Rc1 cxd4 10.cxd4 Qa5+ 11.Bd2 Qxa2 12.Bc4 Qa3 13.e5 O-O 14.Ra1 Qb2 
15.Rb1 Qa3 16.Ra1 Qb2 17.Rb1 Qa3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Gheorghiu, Florin"]
[Black "Bouaziz, Slim"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2420"]
[ECO "A34"]
[EventDate "1979.09.05"]
[PlyCount "117"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Nc6 6.Bg2 Nc7 7.d3 e5 8.Nd2 
Bd7 9.O-O Be7 10.Nc4 O-O 11.a4 f6 12.f4 exf4 13.gxf4 Be6 14.f5 Bf7 15.Rf4 
Qd7 16.Qf1 Nd5 17.Rg4 Kh8 18.Rh4 Nxc3 19.bxc3 Ne5 20.Ne3 Rfe8 21.c4 Bf8 
22.Nd5 Bg8 23.Bb2 Bd6 24.Be4 h6 25.Kh1 Bh7 26.Qh3 Bf8 27.a5 Qd6 28.Bc1 Nf7
29.Bf4 Qd7 30.Rg1 Rac8 31.Rh5 Qd8 32.Qg4 Ng5 33.Bxg5 fxg5 34.h4 gxh4 35.
Rxh4 Re5 36.Nf4 Qf6 37.Rh5 Rce8 38.Ne6 b6 39.a6 Bg8 40.Nf4 Bh7 41.Nd5 Qd6 
42.Nc3 Qf6 43.Nb5 Bg8 44.Bb7 Rxe2 45.Nxa7 Bf7 46.Rh3 Ra2 47.Nb5 Re7 48.Rh2
Ra5 49.Qg5 Qe5 50.f6 Qxg5 51.Rxg5 gxf6 52.Rg1 Be8 53.Rhg2 Bxb5 54.Rg8+ Kh7
55.cxb5 Bg7 56.Rb8 f5 57.Bc8 Rf7 58.Be6 Rf6 59.Rb7 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Mednis, Edmar John"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2620"]
[ECO "B11"]
[EventDate "1979.09.05"]
[PlyCount "78"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3 Nf6 6.d3 e6 7.Bd2 Nbd7 8.g4 g6
9.Bg2 Bd6 10.exd5 cxd5 11.Qe2 Qb6 12.g5 d4 13.gxf6 dxc3 14.Bxc3 Bb4 15.
Bxb4 Qxb4+ 16.c3 Qb6 17.O-O-O Nxf6 18.Qe5 Ke7 19.d4 Rhd8 20.d5 Rd6 21.dxe6
Rxe6 22.Qd4 Qxd4 23.Rxd4 Rb8 24.Rhd1 b6 25.Bf1 Rc8 26.Bd3 Rc5 27.Kc2 Ree5 
28.Rf4 Rc7 29.Rd4 Nh5 30.h4 Ng7 31.Rg1 Ne6 32.Re4 Rxe4 33.Bxe4 Rc5 34.Bd3 
Nf4 35.Be4 Re5 36.Bf3 Nh3 37.Rg4 Nxf2 38.Rc4 Rf5 39.Bb7 Kd6 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Rodriguez, Ruben"]
[Black "Tseshkovsky, Vitaly"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2560"]
[ECO "A71"]
[EventDate "1979.09.05"]
[PlyCount "95"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bg5 Bg7 8.Nf3 h6 
9.Bh4 a6 10.Nd2 b5 11.Be2 Nbd7 12.Qc2 O-O 13.a4 bxa4 14.O-O Nb6 15.Nxa4 
Nxa4 16.Rxa4 g5 17.Bg3 Re8 18.Bb5 Re7 19.Bc6 Rb8 20.Qd1 Ng4 21.Nc4 Ne5 22.
Nxe5 Bxe5 23.Bxe5 Rxe5 24.Qd2 Qb6 25.f4 c4+ 26.Rf2 Rxe4 27.fxg5 Qxb2 28.
Qxb2 Re1+ 29.Rf1 Rxf1+ 30.Kxf1 Rxb2 31.Rxc4 Bf5 32.Rf4 Bd3+ 33.Ke1 hxg5 
34.Rg4 f6 35.h4 Re2+ 36.Kd1 Re4 37.Rg3 Be2+ 38.Kd2 Rg4 39.Re3 Bb5 40.hxg5 
Rxg2+ 41.Kc3 Rxg5 42.Bxb5 axb5 43.Re6 Rxd5 44.Rxf6 Kg7 45.Rf1 Kg6 46.Kb4 
Kg5 47.Ka5 Kg4 48.Kb4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Trois, Francisco"]
[Black "Kuzmin, Gennady"]
[Result "1-0"]
[WhiteElo "2415"]
[BlackElo "2565"]
[ECO "E17"]
[EventDate "1979.09.05"]
[PlyCount "82"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4 Qe8 12.Qxe8 Rxe8 13.cxd5 exd5 14.Be3 a5 
15.Rac1 Na6 16.Rfd1 Rad8 17.Kf1 Rd7 18.a3 f6 19.Nf4 g5 20.Nd3 Bd6 21.Rc2 
a4 22.Nc1 Ra8 23.Na2 Be7 24.Nc3 Nb8 25.Kg2 Kf7 26.g4 Ra5 27.f3 Rd6 28.Bf2 
Rc6 29.Rdc1 Rc4 30.Nd1 Rxc2 31.Rxc2 c5 32.Be1 Ra7 33.Nc3 cxd4 34.Nb5 Rd7 
35.Bf2 Bc5 36.Bxd4 Na6 37.e3 Nc7 38.Bxc5 Nxb5 39.Bxb6 Nd6 40.Rc6 Nc4 41.
Bd4 Rd6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.07"]
[Round "3"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2430"]
[ECO "B95"]
[EventDate "1979.09.05"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qf3 h6 8.Bxf6 
Qxf6 9.Qxf6 gxf6 10.f4 b5 11.f5 Bd7 12.a4 b4 13.Na2 e5 14.Nf3 d5 15.exd5 
Bxf5 16.c3 bxc3 17.Nxc3 Bc5 18.Nh4 Bh7 19.Rd1 f5 20.Bd3 e4 21.Bc2 Be7 22.
g3 Bxh4 23.gxh4 Nd7 24.a5 Rb8 25.Ba4 Rxb2 26.d6 Kd8 27.Bxd7 Kxd7 28.Na4 
Rb5 29.Nb6+ Ke6 30.d7 Rd8 31.O-O Rxa5 32.Rc1 Rb5 33.Rc6+ Ke7 34.Rd1 Bg6 
35.Nc8+ Kf8 36.Na7 Bh5 37.Rc8 Bxd1 38.Nc6 Rd5 39.Rxd8+ Kg7 40.Rg8+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Adorjan, Andras"]
[Black "Tseshkovsky, Vitaly"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2560"]
[ECO "A34"]
[EventDate "1979.09.05"]
[PlyCount "131"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 d5 4.cxd5 Nxd5 5.d4 Nxc3 6.bxc3 g6 7.e3 Bg7 8.Bd3 
O-O 9.O-O Qc7 10.Qe2 b6 11.Rd1 Nc6 12.Be4 Rb8 13.Ba3 Nd8 14.dxc5 bxc5 15.
Qc4 Ne6 16.Bd5 Qa5 17.Bxe6 Bxe6 18.Qxc5 Qa4 19.Bb4 Rfc8 20.Qxe7 a5 21.Bd6 
Rd8 22.h3 Rbc8 23.Qb7 Bxc3 24.Rab1 h6 25.Qb6 Bxa2 26.Rbc1 Bb4 27.Ra1 Qb3 
28.Rd4 Bxd6 29.Rxd6 Qxb6 30.Rxb6 Rc2 31.Nd4 Rd2 32.Rb5 a4 33.Ra5 Bb3 34.
Rb5 Bc4 35.Rb4 Bd3 36.Rbxa4 Kg7 37.R4a2 Rxa2 38.Rxa2 Rd7 39.Rd2 Bb5 40.Rc2
Bd3 41.Rc3 Be4 42.f3 Bb7 43.Kf2 h5 44.h4 Ba6 45.Ra3 Bc4 46.Rc3 Ba6 47.Rc6 
Ra7 48.Rc2 Bd3 49.Rd2 Bc4 50.e4 Ra1 51.Ke3 f6 52.Kf4 Ra5 53.Nc6 Rc5 54.
Rd7+ Kf8 55.Rd6 Bb5 56.Nb4 g5+ 57.Ke3 f5 58.hxg5 fxe4 59.f4 h4 60.Rd5 Rc3+
61.Kd2 Rg3 62.Rxb5 Rxg2+ 63.Ke3 h3 64.Rb6 Rb2 65.Rf6+ Kg7 66.Nd5 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Ljubojevic, Ljubomir"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2435"]
[ECO "B45"]
[EventDate "1979.09.05"]
[PlyCount "63"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Bxf6 gxf6 11.Nd5 f5 12.Bd3 Be6 13.c4 Qa5+ 14.Kf1 b4 15.exf5
Bxd5 16.cxd5 Qxd5 17.Nc4 Rg8 18.Ne3 Qd4 19.Rc1 e4 20.Bc2 Qxd1+ 21.Rxd1 Bg7
22.Ba4 Kd7 23.Rc1 Rgc8 24.Nc4 Bh6 25.Nb6+ Kd8 26.Rd1 Kc7 27.Nxa8+ Rxa8 28.
Ke2 Ne7 29.Rd4 d5 30.f6 Ng6 31.g3 Rd8 32.Rhd1 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Romanishin, Oleg"]
[Black "Miles, Anthony John"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2560"]
[ECO "A46"]
[EventDate "1979.09.05"]
[PlyCount "49"]

1.d4 Nf6 2.Nf3 e6 3.g3 b5 4.Bg2 Bb7 5.O-O c5 6.Bg5 Be7 7.dxc5 Bxc5 8.Nc3 
a6 9.e4 h6 10.Bxf6 gxf6 11.e5 f5 12.Ne2 Nc6 13.Nf4 h5 14.h4 Qc7 15.Qe2 
O-O-O 16.c3 Rdg8 17.Kh2 d6 18.Nd3 Nxe5 19.Nfxe5 Bxg2 20.Kxg2 dxe5 21.a4 
Bd6 22.axb5 axb5 23.Rfd1 Qb7+ 24.Kh2 e4 25.Nb4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Polugaevsky, Lev"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2370"]
[ECO "A31"]
[EventDate "1979.09.05"]
[PlyCount "83"]

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 b6 5.Nc3 Bb7 6.f3 Nc6 7.e4 e6 8.Be3 Be7
9.Be2 O-O 10.O-O d6 11.Qd2 Ne5 12.Rfd1 a6 13.Rac1 Ned7 14.Bf1 Qc7 15.Qf2 
Rab8 16.b4 Ba8 17.Nb3 Qb7 18.Bf4 e5 19.Be3 d5 20.Nxd5 Nxd5 21.cxd5 Bxb4 
22.Qe2 a5 23.a4 Rbc8 24.Qb2 Qb8 25.Bb5 Qd6 26.Rxc8 Rxc8 27.Rc1 Rxc1+ 28.
Qxc1 Nc5 29.Nd2 f6 30.Nc4 Qd8 31.Qd1 Bb7 32.d6 Nd7 33.h4 h5 34.Kf1 g6 35.
Qd3 Kg7 36.Bc1 Nf8 37.d7 Ne6 38.Nd6 Ba8 39.Bh6+ Kh7 40.Be3 Qc7 41.Ne8 Qd8 
42.Qc4 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Kuzmin, Gennady"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo "2565"]
[BlackElo "2615"]
[ECO "A62"]
[EventDate "1979.09.05"]
[PlyCount "54"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bg2 Bg7 8.Nf3 O-O 
9.O-O Re8 10.h3 Ne4 11.Nxe4 Rxe4 12.Bg5 Qc7 13.Nd2 Re8 14.Ne4 Rxe4 15.Bxe4
Bxh3 16.Bg2 Bxg2 17.Kxg2 Bxb2 18.Rb1 Bg7 19.Qa4 Nd7 20.Rh1 a6 21.Rh4 b5 
22.Rxb5 Nb6 23.Rxb6 Qxb6 24.Qd7 Be5 25.Rxh7 Kxh7 26.Qxf7+ Bg7 27.Bf6 Qa7 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Tarjan, James Edward"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2540"]
[ECO "A36"]
[EventDate "1979.09.05"]
[PlyCount "41"]

1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.a3 a6 6.Rb1 Rb8 7.b4 cxb4 8.axb4 b5 
9.c5 a5 10.Ba3 axb4 11.Bxb4 Nxb4 12.Rxb4 Bxc3 13.dxc3 Qc7 14.Qd4 Nf6 15.
Nf3 O-O 16.O-O Bb7 17.Rxb5 Bxf3 18.Rxb8 Rxb8 19.Bxf3 Rc8 20.c6 dxc6 21.Rb1
1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Bouaziz, Slim"]
[Black "Trois, Francisco"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2415"]
[ECO "B06"]
[EventDate "1979.09.05"]
[PlyCount "77"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.g3 Nc6 5.d5 Nb8 6.Bg2 Nf6 7.Nge2 O-O 8.O-O c6 
9.h3 Nbd7 10.Be3 a5 11.b3 cxd5 12.exd5 Nc5 13.a4 Bd7 14.Qd2 Rc8 15.g4 Qb6 
16.Rad1 Qb4 17.Qe1 Rfe8 18.Rd4 Qb6 19.Rc4 e6 20.Qd2 exd5 21.Nxd5 Nxd5 22.
Bxd5 Be6 23.Rd1 Be5 24.Bxe6 Rxe6 25.Nd4 Ree8 26.Nb5 d5 27.Qxd5 Rcd8 28.Qf3
Qf6 29.Rxd8 Qxf3 30.Rxe8+ Kg7 31.Rxe5 Ne6 32.Kh2 Qf6 33.Rce4 Qf3 34.Nd4 
Nxd4 35.Bxd4 f6 36.Re7+ Kh6 37.Be3+ g5 38.h4 Kg6 39.hxg5 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Gruenfeld, Yehuda"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2510"]
[ECO "C05"]
[EventDate "1979.09.05"]
[PlyCount "71"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.c3 c5 6.Bd3 b6 7.Nh3 Ba6 8.Bxa6 Nxa6
9.O-O Nc7 10.Qg4 Qc8 11.Nf3 Qa6 12.Nf4 g6 13.Ng5 Be7 14.h4 Nf8 15.h5 Qa4 
16.dxc5 bxc5 17.b3 Qc6 18.Bd2 Rg8 19.h6 Rd8 20.Rfe1 Rd7 21.Nfh3 Na8 22.Qf4
Bd8 23.Re3 Nb6 24.Rf3 Qc7 25.Rd1 Qb7 26.Bc1 Nc8 27.Ba3 Rc7 28.Qa4+ Qc6 29.
Qxc6+ Rxc6 30.Rxf7 Rh8 31.Rg7 Nd7 32.Re1 Ra6 33.Bc1 Rxa2 34.Nxe6 Ba5 35.
Nhg5 Bxc3 36.Nc7+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.09"]
[Round "4"]
[White "Larsen, Bent"]
[Black "Ribli, Zoltan"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2595"]
[ECO "E66"]
[EventDate "1979.09.05"]
[PlyCount "71"]

1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nf3 Nf6 5.O-O O-O 6.Nc3 Nc6 7.d4 d6 8.dxc5 
dxc5 9.Bf4 Nh5 10.Be3 Nd4 11.Qd2 Bg4 12.Rad1 Bxf3 13.exf3 e6 14.Ne4 b6 15.
b4 Qc7 16.bxc5 Rfd8 17.cxb6 axb6 18.Qb4 Rxa2 19.Kh1 h6 20.Rb1 f5 21.Nc3 
Rc2 22.Rfd1 f4 23.gxf4 Nxf4 24.Nb5 Nxb5 25.Qxb5 Rxd1+ 26.Rxd1 Rxc4 27.Bf1 
Qb7 28.Rd8+ Kh7 29.h3 Qxf3+ 30.Kg1 Rc7 31.Qe8 h5 32.Qg8+ Kh6 33.Qxe6 Rc5 
34.h4 Re5 35.Qc8 Rxe3 36.Rh8+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2525"]
[ECO "B45"]
[EventDate "1979.09.05"]
[PlyCount "66"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Bxf6 gxf6 11.Nd5 f5 12.Bd3 Be6 13.c4 Qa5+ 14.Kf1 fxe4 15.
Bxe4 Bg7 16.Qf3 Nd4 17.Qg3 Kf8 18.Rd1 Qd8 19.Ne3 Rc8 20.Nac2 bxc4 21.Nxd4 
exd4 22.Nf5 Bxf5 23.Bxf5 Rc5 24.Qf3 Re5 25.g4 h5 26.h3 hxg4 27.hxg4 Rxh1+ 
28.Qxh1 d5 29.b3 d3 30.bxc4 dxc4 31.Qc6 Qd5 32.Qxd5 Rxd5 33.Be4 Rd4 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Mednis, Edmar John"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2590"]
[ECO "B92"]
[EventDate "1979.09.05"]
[PlyCount "94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.a4 O-O 10.Be3 Nc6 11.Kh1 Rc8 12.f4 Nb4 13.Bf3 d5 14.fxe5 Nxe4 15.Bd4
Nc6 16.Qd3 Ng5 17.Be2 Nb4 18.Qd1 Qd7 19.Bd3 Bg4 20.Qd2 Ne6 21.Be2 Bg5 22.
Qd1 Bxe2 23.Qxe2 Rc4 24.Rad1 Qc7 25.Rfe1 Re8 26.a5 Bf4 27.Bb6 Qc6 28.Qf2 
Nf8 29.Rf1 Qg6 30.Bc5 Qxc2 31.Bxf8 Qxf2 32.Rxf2 Kxf8 33.Rdf1 Bxe5 34.Rxf7+
Kg8 35.Rxb7 Rh4 36.h3 Rc4 37.Nd2 Rf4 38.Rxf4 Bxf4 39.Nf3 Bd6 40.Rd7 Re6 
41.Rd8+ Bf8 42.Nxd5 Nxd5 43.Rxd5 Rd6 44.Rd4 Kf7 45.Rf4+ Kg8 46.Rd4 Kf7 47.
Rf4+ Kg8 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Miles, Anthony John"]
[Black "Kuzmin, Gennady"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2565"]
[ECO "E43"]
[EventDate "1979.09.05"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.f3 Nh5 6.Nh3 f5 7.e4 O-O 8.Bg5 Qe8 9.
exf5 h6 10.Bd2 Nc6 11.Nb5 exf5+ 12.Be2 Qd8 13.Bxb4 Nxb4 14.Qd2 a5 15.a3 
Nc6 16.O-O-O a4 17.Kb1 Na5 18.Qc2 Nb3 19.g4 fxg4 20.fxg4 d6 21.Qg6 Nf6 22.
Bf3 d5 23.cxd5 Bd7 24.Nc3 Qe8 25.Qd3 Nxg4 26.Be4 Rd8 27.Qg3 Qe7 28.Qxc7 
Rc8 29.d6 Qe8 30.Rhe1 Kh8 31.Bc2 Ne3 32.Rxe3 Qxe3 33.Qxd7 Rxc3 34.bxc3 
Qxc3 35.Bf5 Qa1+ 36.Kc2 Nxd4+ 37.Rxd4 Qxd4 38.Qe6 Qc5+ 39.Kd3 Rxf5 40.Ke4 
Qc2+ 41.Kd4 Qd1+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Tseshkovsky, Vitaly"]
[Black "Polugaevsky, Lev"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2625"]
[ECO "B84"]
[EventDate "1979.09.05"]
[PlyCount "101"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.f4 Be7 8.O-O O-O
9.Kh1 Nc6 10.Bf3 Qc7 11.a4 Re8 12.g4 Nxd4 13.Qxd4 Nd7 14.g5 b6 15.Qf2 Bb7 
16.Bg2 Bf8 17.Be3 Bc6 18.f5 exf5 19.exf5 Ne5 20.Bd4 Rac8 21.Rad1 Qb7 22.
Bxc6 Qxc6+ 23.Qg2 Qxg2+ 24.Kxg2 Nc4 25.Nd5 Re2+ 26.Rf2 Rxf2+ 27.Kxf2 Nxb2 
28.Bxb2 Rxc2+ 29.Ke3 Rxb2 30.Rc1 Rb3+ 31.Ke2 Rb2+ 32.Ke1 f6 33.g6 Ra2 34.
Rc8 Ra1+ 35.Kd2 Ra2+ 36.Kd3 Ra3+ 37.Kc2 Ra2+ 38.Kc3 hxg6 39.Ne7+ Kh7 40.
fxg6+ Kh6 41.Rxf8 Re2 42.Rh8+ Kg5 43.h4+ Kg4 44.Nd5 Rh2 45.Rh7 Rh3+ 46.Kd4
Kf5 47.Rh5+ Kg4 48.Rh7 Kf5 49.Ne7+ Ke6 50.Rxg7 Rxh4+ 51.Ke3 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Rodriguez, Ruben"]
[Black "Romanishin, Oleg"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2560"]
[ECO "E00"]
[EventDate "1979.09.05"]
[PlyCount "88"]

1.d4 Nf6 2.c4 e6 3.Bg5 h6 4.Bh4 g5 5.Bg3 Ne4 6.Nd2 Nxg3 7.hxg3 Bg7 8.e3 c5
9.Ngf3 d6 10.Bd3 Nc6 11.Nb3 Qe7 12.Be4 Bd7 13.Qd2 g4 14.Nh4 cxd4 15.Bxc6 
bxc6 16.exd4 O-O 17.O-O a5 18.Rae1 a4 19.Nc1 Qg5 20.Re3 Rfb8 21.Ne2 Be8 
22.Qc2 c5 23.Rd1 cxd4 24.Nxd4 Qc5 25.Qe4 h5 26.b3 Rd8 27.Ne2 Qe5 28.Nf4 
Qxe4 29.Rxe4 Bc6 30.Re3 Bh6 31.Red3 Bxf4 32.gxf4 d5 33.Kh2 Rdb8 34.cxd5 
Bxd5 35.Re1 axb3 36.axb3 Ra2 37.Kg3 Kg7 38.Re5 Bxb3 39.Rxh5 Bc2 40.Re3 Kf6
41.Kxg4 Rg8+ 42.Rg5 Bf5+ 43.Nxf5 exf5+ 44.Kh4 Rxg5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Tal, Mikhail"]
[Black "Bouaziz, Slim"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2420"]
[ECO "E92"]
[EventDate "1979.09.05"]
[PlyCount "62"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Nf3 e5 7.Bg5 h6 8.Bh4 Qe8 
9.dxe5 dxe5 10.Nd5 Nxd5 11.cxd5 c6 12.d6 f6 13.Qb3+ Kh7 14.Rd1 Nd7 15.Qc2 
Nb6 16.Nd2 Be6 17.Nb3 Nd7 18.f3 f5 19.Be7 Rf7 20.exf5 Bxf5 21.Bd3 Bxd3 22.
Qxd3 Bf6 23.Bxf6 Nxf6 24.O-O Nd5 25.Nc5 Qd8 26.Ne4 Qb6+ 27.Rf2 Kg7 28.Nc3 
Nf6 29.Na4 Qb4 30.Qc2 Nd5 31.Re2 Qxd6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Trois, Francisco"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2525"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "148"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 Ne4 6.Bg2 Nd6 7.Nfd2 c6 8.Qc2 Nf5
9.Nf3 d5 10.cxd5 cxd5 11.Nc3 Be7 12.O-O O-O 13.Rd1 Bb7 14.b3 Nc6 15.Bb2 
Rc8 16.Rac1 a6 17.e3 b5 18.Qb1 g6 19.Ne2 Qa5 20.Nf4 Nb8 21.Ne5 Nd6 22.h4 
Rxc1 23.Rxc1 Rc8 24.Rxc8+ Bxc8 25.a3 Qc7 26.Qc1 Qxc1+ 27.Bxc1 Nb7 28.Nf3 
Na5 29.Nd2 Kf8 30.Bf1 Nd7 31.Bd3 Bd6 32.Bc2 Bb7 33.Bb2 Ke7 34.Nd3 Nc6 35.
f4 h5 36.Kf1 a5 37.Ne5 b4 38.Nxc6+ Bxc6 39.a4 Nf6 40.Bd3 Kd7 41.Kg2 Ng4 
42.Kf3 Kc7 43.Ke2 Nf6 44.Bc1 Bb7 45.Kf2 Kb6 46.Kf3 Ba6 47.Bxa6 Kxa6 48.Bb2
Kb7 49.Ba1 Kc6 50.Bb2 Kd7 51.Ba1 Kc6 52.Bb2 Kd7 53.Bc1 Ke7 54.Bb2 Bc7 55.
Ba1 Ng4 56.Ke2 Kf6 57.Bb2 Kf5 58.Kf3 Nf6 59.Bc1 Ne4 60.Nxe4 dxe4+ 61.Kg2 
Kg4 62.Bd2 Bd8 63.Be1 f6 64.Bf2 Be7 65.Be1 g5 66.hxg5 fxg5 67.fxg5 Bxg5 
68.Bf2 Bh6 69.Bg1 Bf8 70.Bf2 Be7 71.Be1 Bg5 72.Bf2 h4 73.gxh4 Bxh4 74.Bxh4
Kxh4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Gheorghiu, Florin"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2620"]
[ECO "A40"]
[EventDate "1979.09.05"]
[PlyCount "44"]

1.d4 e6 2.Nf3 d5 3.c4 c6 4.Nbd2 Nf6 5.g3 Nbd7 6.Bg2 b6 7.O-O Bb7 8.Ne5 Be7
9.e4 O-O 10.Qe2 dxc4 11.Ndxc4 c5 12.Rd1 cxd4 13.Rxd4 Qc8 14.Nxd7 Nxd7 15.
Bf4 Ba6 16.Qd1 Bxc4 17.Rc1 e5 18.Rdxc4 Bc5 19.Bd2 a5 20.a3 Qd8 21.Bh3 Nf6 
22.Qe2 h6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.10"]
[Round "5"]
[White "Ribli, Zoltan"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2595"]
[BlackElo "2430"]
[ECO "D32"]
[EventDate "1979.09.05"]
[PlyCount "111"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 c5 4.e3 d5 5.d4 Nc6 6.cxd5 exd5 7.Be2 Be7 8.O-O 
O-O 9.dxc5 Bxc5 10.b3 Be6 11.Bb2 Qe7 12.Nb5 Ne4 13.Rc1 Rac8 14.Qd3 Rfd8 
15.Nbd4 Nxd4 16.Nxd4 Bd7 17.Bf3 a6 18.Rfd1 h6 19.Rc2 Bd6 20.g3 Rxc2 21.
Qxc2 Be5 22.Bxe4 dxe4 23.Qxe4 Bc6 24.Qg4 Bxd4 25.Bxd4 Qg5 26.Qxg5 hxg5 27.
h3 f6 28.g4 Kf7 29.Kh2 Rd7 30.Kg3 Rd8 31.f3 Kg6 32.Rh1 Rh8 33.Bb6 Kf7 34.
Rd1 Re8 35.e4 Re7 36.h4 gxh4+ 37.Kxh4 Rd7 38.Bd4 Rd8 39.Kg3 a5 40.Kf4 a4 
41.b4 Bb5 42.Ke3 Bc4 43.a3 b5 44.Rh1 Rc8 45.Rh5 Bf1 46.Rd5 Rc7 47.Rd8 Ke6 
48.f4 Bc4 49.Bc5 Kf7 50.Rf8+ Ke6 51.f5+ Kd7 52.g5 Rc6 53.g6 Rc7 54.Rf7+ 
Kc6 55.Rxc7+ Kxc7 56.Bf8 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Ljubojevic, Ljubomir"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2595"]
[ECO "B92"]
[EventDate "1979.09.05"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.f4 Qc7 10.Kh1 Nbd7 11.a4 O-O 12.f5 Bc4 13.Bg5 h6 14.Bh4 Rfc8 15.Bd3 
d5 16.exd5 Bxd5 17.Nxd5 Nxd5 18.Bxe7 Nxe7 19.Qf3 Nf6 20.Nd2 Ned5 21.Ne4 
Re8 22.Rae1 Rad8 23.c4 Nxe4 24.Bxe4 Nf6 25.Bxb7 e4 26.Bxe4 Qxc4 27.b3 Qb4 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Bouaziz, Slim"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2560"]
[ECO "B42"]
[EventDate "1979.09.05"]
[PlyCount "98"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 Be7 8.Nc3 O-O
9.Be3 Nbd7 10.f3 Re8 11.Qd2 Bf8 12.Rfd1 b6 13.Bf1 Bb7 14.Rac1 Rc8 15.Qf2 
Qc7 16.b3 Qb8 17.Rc2 Ba8 18.Kh1 Rcd8 19.Bc1 Ne5 20.Bb2 d5 21.cxd5 exd5 22.
exd5 b5 23.Nf5 b4 24.Na4 Bxd5 25.Rcd2 Qc7 26.Ne3 Qa7 27.Bd4 Qb7 28.Bxe5 
Rxe5 29.Bc4 Rh5 30.Nxd5 Nxd5 31.g4 Re5 32.Nb6 Nxb6 33.Rxd8 h5 34.h3 Nxc4 
35.bxc4 Qe7 36.R8d2 Re3 37.Rc2 Qe5 38.Rd5 Qa1+ 39.Kg2 Re1 40.c5 Rh1 41.c6 
h4 42.Rcd2 Rc1 43.Rc2 Qb1 44.Rdd2 Rh1 45.c7 Rxh3 46.Kxh3 Qh1+ 47.Qh2 Qxf3+
48.Kxh4 Be7+ 49.g5 Bxg5+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Adorjan, Andras"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2625"]
[ECO "A36"]
[EventDate "1979.09.05"]
[PlyCount "22"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e6 6.Nge2 Nge7 7.O-O O-O 8.d4 
cxd4 9.Nxd4 d5 10.cxd5 Nxd5 11.Nxd5 Nxd4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Tarjan, James Edward"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo "2525"]
[BlackElo "2615"]
[ECO "B80"]
[EventDate "1979.09.05"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 Be7 7.Bg2 O-O 8.O-O 
Nc6 9.b3 Bd7 10.Bb2 Rc8 11.Nde2 Qa5 12.h3 Rfd8 13.Kh1 Be8 14.Qe1 b5 15.a3 
Qb6 16.Rd1 b4 17.axb4 Nxb4 18.Rd2 a5 19.Nd4 Rc5 20.Nd1 d5 21.exd5 Nbxd5 
22.Ba3 Rcc8 23.Bxe7 Nxe7 24.Nf3 Bb5 25.c4 Bc6 26.Ne3 Ne4 27.Ra2 Rd3 28.
Qxa5 Nxg3+ 29.fxg3 Qxe3 30.Ne5 Bxg2+ 31.Rxg2 Rxb3 32.Kh2 f6 33.Nd7 Qd4 34.
Rd2 Rb2 35.Rff2 Rxd2 36.Rxd2 Qxc4 37.Nb6 Qc5 38.Rd8+ Kf7 39.Rf8+ Kg6 40.
Qxc5 Rxc5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Gruenfeld, Yehuda"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2540"]
[ECO "B42"]
[EventDate "1979.09.05"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6 8.Nc3 Bg7 
9.Be3 O-O 10.Rc1 Nbd7 11.Qe2 d5 12.Nb3 dxe4 13.Nxe4 Qc7 14.Nxf6+ Nxf6 15.
Bd4 Nh5 16.Bxg7 Kxg7 17.Rfd1 Bd7 18.Qe3 Ba4 19.Bf1 Nf6 20.g3 Rad8 21.Rxd8 
Rxd8 22.Nc5 Bc6 23.b4 Qe7 24.a4 Ng4 25.Qc3+ Qf6 26.Qxf6+ Nxf6 27.b5 axb5 
28.axb5 Be4 29.Bg2 Bxg2 30.Kxg2 b6 31.Na4 Rd6 32.c5 bxc5 33.b6 Nd7 34.b7 
Nb8 35.Rxc5 Rd7 36.Rb5 Kf8 37.Rb4 Ke8 38.Nc5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Kuzmin, Gennady"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2565"]
[BlackElo "2370"]
[ECO "A62"]
[EventDate "1979.09.05"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bg2 Bg7 8.Nf3 O-O 
9.O-O Re8 10.h3 a6 11.a4 Nbd7 12.Bf4 Qc7 13.Qc2 Rb8 14.a5 b5 15.axb6 Rxb6 
16.Nd2 Rb4 17.Na2 Rb8 18.Nc4 Bf8 19.Nc3 Nh5 20.Bd2 Ne5 21.Na5 f5 22.Nc6 
Ra8 23.b4 cxb4 24.Na2 a5 25.Naxb4 Bg7 26.Ra2 Bb7 27.Nd3 Nxd3 28.exd3 a4 
29.Rxa4 Ba6 30.Qa2 Bb7 31.Rb1 Rxa4 32.Qxa4 Ra8 33.Qb3 Ba6 34.Bf3 Nf6 35.
Bf4 Ne8 36.h4 Bf6 37.Bg5 Qg7 38.Re1 Nc7 39.Kg2 Re8 40.Rxe8+ Nxe8 41.Qb8 
Qf8 42.Nb4 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Larsen, Bent"]
[Black "Trois, Francisco"]
[Result "1/2-1/2"]
[WhiteElo "2620"]
[BlackElo "2415"]
[ECO "A07"]
[EventDate "1979.09.05"]
[PlyCount "81"]

1.g3 d5 2.Nf3 Nf6 3.Bg2 c6 4.O-O Bg4 5.c4 e6 6.b3 Nbd7 7.Bb2 h6 8.cxd5 
cxd5 9.Nc3 Be7 10.d4 O-O 11.Ne5 Bf5 12.Rc1 Rc8 13.e3 Qa5 14.a3 Nxe5 15.
dxe5 Ne4 16.Nxe4 Rxc1 17.Qxc1 Bxe4 18.Bxe4 dxe4 19.b4 Qb5 20.Qc7 Bd8 21.
Qc2 a5 22.bxa5 Bxa5 23.Rd1 Rd8 24.Bd4 Qd5 25.Rb1 b5 26.Kg2 Rb8 27.h4 Bb6 
28.Bxb6 Rxb6 29.Qc7 Rc6 30.Qe7 Rc8 31.Qd6 Qxd6 32.exd6 Rd8 33.Rxb5 Rxd6 
34.a4 f5 35.a5 Kf7 36.h5 Rd2 37.a6 Ra2 38.Rb7+ Kf6 39.a7 g6 40.hxg6 Kxg6 
41.Kh3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Romanishin, Oleg"]
[Black "Tseshkovsky, Vitaly"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2560"]
[ECO "B25"]
[EventDate "1979.09.05"]
[PlyCount "141"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Nb3 Nf6 7.Be2 O-O 8.O-O 
d6 9.Bg5 a5 10.a4 Be6 11.Kh1 Rc8 12.f4 Nb4 13.Nd4 Bc4 14.Ndb5 Bxb5 15.Bxb5
h6 16.Bh4 Nh7 17.Qd2 g5 18.fxg5 Nxg5 19.Bxg5 hxg5 20.Qxg5 e6 21.Qg3 Rc5 
22.Rad1 Rg5 23.Qf2 Qc7 24.Qf4 Rg6 25.Qxd6 Qxd6 26.Rxd6 Nxc2 27.g3 Ne3 28.
Re1 Ng4 29.Kg2 Be5 30.Rd3 Kg7 31.h3 Nf6 32.Rde3 Rh8 33.b3 Rh4 34.Ne2 Rh8 
35.Bc4 Rg5 36.Ng1 Nh5 37.Ne2 Nf6 38.Rd1 Rgh5 39.Ng1 Rg5 40.Ne2 Rgh5 41.Nf4
Rg5 42.Nd3 Bd4 43.Re2 Rh4 44.Nf4 Be5 45.Kf3 Rxh3 46.Nxh3 Rxg3+ 47.Kf2 Rxh3
48.Rg1+ Kf8 49.Ke1 Nd7 50.Rf1 Nc5 51.Kd1 Ke7 52.Ref2 f6 53.Rf3 Rxf3 54.
Rxf3 Nxe4 55.Re3 Nd6 56.Bf1 Bd4 57.Rh3 e5 58.Rh7+ Ke6 59.Bh3+ Kd5 60.Ke2 
b6 61.Rh6 e4 62.Rh5+ Be5 63.Ke3 b5 64.axb5 Nxb5 65.Rh8 Bd4+ 66.Kf4 Bc5 67.
Rd8+ Nd6 68.Bg2 f5 69.Rxd6+ Kxd6 70.Kxf5 e3 71.Bf3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.11"]
[Round "6"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2510"]
[ECO "B31"]
[EventDate "1979.09.05"]
[PlyCount "145"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.e5 Nd5 7.d4 cxd4 8.cxd4 
O-O 9.Nc3 Nc7 10.Bf4 Nxb5 11.Nxb5 a6 12.Qa4 d6 13.exd6 Bg4 14.Nc7 Bxf3 15.
Nxa8 exd6 16.gxf3 Nxd4 17.Be3 Nxf3+ 18.Kg2 Nh4+ 19.Kh1 Nf5 20.Bb6 Qxa8 21.
Rad1 Qc8 22.Rfe1 Bxb2 23.Rd3 Bf6 24.Kg1 Be5 25.Kh1 Kg7 26.Ra3 h5 27.Qe4 
Bf6 28.Kg1 Qd7 29.Qa4 Qxa4 30.Rxa4 Rc8 31.Rb1 Rc6 32.Kf1 Ne7 33.Bd4 b5 34.
Bxf6+ Kxf6 35.Rf4+ Nf5 36.a4 bxa4 37.Rxa4 Kg5 38.Rba1 Kf6 39.Rxa6 Rxa6 40.
Rxa6 Ke6 41.Ke2 Ke5 42.Ra7 f6 43.Ra8 Nd4+ 44.Ke3 Ne6 45.Re8 g5 46.Re7 h4 
47.f4+ gxf4+ 48.Ke2 h3 49.Ra7 Ng5 50.Ra3 d5 51.Ra5 Ke4 52.Ra6 Ke5 53.Ra5 
Ke4 54.Ra6 Nf3 55.Rxf6 Nxh2 56.Re6+ Kf5 57.Rd6 Ke5 58.Rd8 d4 59.Rh8 f3+ 
60.Kf2 Kf4 61.Rf8+ Ke4 62.Re8+ Kf4 63.Rf8+ Ke4 64.Re8+ Kd5 65.Rd8+ Kc4 66.
Rc8+ Kb3 67.Rd8 Kc3 68.Rc8+ Kd2 69.Rh8 Ng4+ 70.Kxf3 Nf6 71.Rxh3 Kd3 72.Rh4
Kc4 73.Rxd4+ 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Mednis, Edmar John"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2525"]
[ECO "A36"]
[EventDate "1979.09.05"]
[PlyCount "154"]

1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.a3 b6 6.Nf3 Bb7 7.O-O Nf6 8.Rb1 O-O 
9.b4 cxb4 10.axb4 d5 11.b5 Na5 12.cxd5 Nxd5 13.Nxd5 Qxd5 14.Qa4 Qc4 15.
Qxc4 Nxc4 16.d3 Nd6 17.Ba3 Rfc8 18.Bxd6 exd6 19.Ne1 Bxg2 20.Nxg2 Rc2 21.e3
Bh6 22.d4 Rac8 23.Rfd1 Ra2 24.Ne1 Ra5 25.Nd3 Kf8 26.Kg2 Ke8 27.Kf3 Kd7 28.
h4 Rc3 29.Rb2 f6 30.Ke2 d5 31.Rc1 Rxc1 32.Nxc1 Bf8 33.Ra2 Bd6 34.Kd1 Ke6 
35.Rxa5 bxa5 36.Kc2 h5 37.Ne2 g5 38.f3 a4 39.e4 Bb4 40.Nc3 dxe4 41.fxe4 a3
42.Ne2 Bd6 43.Kb3 g4 44.Ka2 Ke7 45.Kb3 Kd7 46.Ka2 Kc7 47.Nc3 Bxg3 48.Nd5+ 
Kb7 49.Nxf6 Bxh4 50.Nxh5 Kb6 51.Kxa3 Kxb5 52.Kb3 g3 53.Nf4 Bg5 54.Ng2 a5 
55.e5 Be7 56.d5 a4+ 57.Ka2 Bc5 58.d6 Kc6 59.Ne1 Kd7 60.Kb2 Bb4 61.Nf3 g2 
62.Kc2 Ke6 63.Kd3 Kd5 64.d7 Be7 65.Kc3 Ke4 66.Ng1 Kxe5 67.Ne2 Ke4 68.Kc4 
Ke3 69.Ng1 Kd2 70.Nf3+ Kc1 71.Kc3 Kb1 72.Nd2+ Ka2 73.Nf3 Bf6+ 74.Kc2 Ka3 
75.Ng1 Kb4 76.Nf3 a3 77.Kb1 g1=Q+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2590"]
[ECO "A27"]
[EventDate "1979.09.05"]
[PlyCount "65"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 f5 4.d4 e4 5.Ng5 Qf6 6.Nd5 Bb4+ 7.Bd2 Qxg5 8.Nxb4 
f4 9.Nxc6 dxc6 10.e3 fxe3 11.Bxe3 Qg6 12.Qb3 Nf6 13.h3 O-O 14.O-O-O Kh8 
15.g4 b6 16.Kb1 Be6 17.Qc2 Qf7 18.Ka1 b5 19.g5 Ne8 20.g6 hxg6 21.Qxe4 bxc4
22.Rg1 Bf5 23.Qxc6 Nd6 24.d5 a5 25.Bxc4 a4 26.a3 Nxc4 27.Qxc4 Rfb8 28.Bd4 
Re8 29.h4 Re4 30.f3 Re7 31.h5 Kh7 32.hxg6+ Bxg6 33.Qc6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Miles, Anthony John"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2525"]
[ECO "A14"]
[EventDate "1979.09.05"]
[PlyCount "51"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nc6 7.O-O Be7 8.d4 
O-O 9.Nxd5 exd5 10.dxc5 Bxc5 11.Qc2 Bb6 12.Ng5 g6 13.Qd1 Bd4 14.Qb3 Bf6 
15.Qxd5 Nd4 16.Kh1 Nxe2 17.Be3 Qxd5 18.Bxd5 Bxb2 19.Rae1 Nc3 20.Bb3 h6 21.
Nxf7 Rxf7 22.Bd4 Kf8 23.Bc5+ Kg7 24.Bd4+ Kf8 25.Bc5+ Kg7 26.Bd4+ 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Polugaevsky, Lev"]
[Black "Romanishin, Oleg"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2560"]
[ECO "A30"]
[EventDate "1979.09.05"]
[PlyCount "87"]

1.Nf3 e6 2.c4 c5 3.g3 b6 4.Bg2 Bb7 5.O-O Nf6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
9.b3 O-O 10.e4 Nbd7 11.Qe3 a6 12.Nd4 Re8 13.Bb2 Qb8 14.h3 Bf8 15.Rfe1 Qa7 
16.Rad1 Rac8 17.Kh2 Qa8 18.Re2 Ne5 19.Kh1 Ng6 20.Rde1 d5 21.exd5 exd5 22.
Qf3 Red8 23.Na4 Qa7 24.Nf5 Bc6 25.Nh6+ gxh6 26.Qxf6 Rd6 27.Qf5 Bd7 28.Qb1 
d4 29.Ba3 Rf6 30.Bxf8 Rxf8 31.Nb2 Bc6 32.Bxc6 Rxc6 33.Nd3 Qd7 34.Kh2 Re6 
35.Rxe6 fxe6 36.f4 h5 37.h4 Rf5 38.Qd1 e5 39.fxe5 Qe7 40.Re4 Nxe5 41.Qe2 
Nf3+ 42.Kg2 Qb7 43.Re8+ Kf7 44.Qe6+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Tal, Mikhail"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2620"]
[ECO "B16"]
[EventDate "1979.09.05"]
[PlyCount "102"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.Nf3 Bf5 7.Bf4 e6 8.
Bc4 Na6 9.O-O Nc7 10.Bg3 Bd6 11.Re1 Qd7 12.Nh4 Bg6 13.c3 O-O-O 14.Qf3 f5 
15.Be5 Bxe5 16.Rxe5 Rhe8 17.Rae1 Qd6 18.b4 Kb8 19.g3 Nd5 20.b5 Nb6 21.Bd3 
Nd7 22.R5e2 Nf6 23.Nxg6 hxg6 24.bxc6 Qxc6 25.Qxc6 bxc6 26.Rb2+ Kc7 27.Reb1
Rb8 28.Rxb8 Rxb8 29.Rxb8 Kxb8 30.f3 Kc7 31.Kf2 Kd6 32.Ke3 Nd5+ 33.Kd2 c5 
34.Bc4 cxd4 35.cxd4 f4 36.Kd3 fxg3 37.hxg3 g5 38.Bb3 Nf6 39.Ke3 Nh5 40.g4 
Nf4 41.Ke4 Ne2 42.Ke3 Nc3 43.Kd3 Nd5 44.Bxd5 Kxd5 45.Kc3 e5 46.dxe5 Kxe5 
47.Kd3 Kf4 48.Ke2 Kg3 49.Ke3 f6 50.Ke2 Kg2 51.Ke3 Kg3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Ribli, Zoltan"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2435"]
[ECO "A34"]
[EventDate "1979.09.05"]
[PlyCount "84"]

1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7 6.d3 e5 7.a3 Qd7 8.Be3 Nc6
9.Rc1 Ne6 10.Nf3 Rb8 11.O-O f5 12.Na4 b6 13.b4 Bb7 14.bxc5 b5 15.Nc3 a6 
16.Qb3 Bxc5 17.Bxc5 Nxc5 18.Qa2 Ne6 19.Nd5 Qd6 20.h4 Ncd8 21.Ng5 Nxg5 22.
hxg5 h6 23.e4 Bxd5 24.Qxd5 Qxd5 25.exd5 Kd7 26.g6 Rf8 27.Rfe1 Kd6 28.Rc2 
a5 29.Rce2 b4 30.axb4 axb4 31.Rxe5 b3 32.f4 Rf6 33.Kf2 b2 34.Rb1 Kc5 35.
Re2 Rfb6 36.Rc2+ Kd6 37.g4 fxg4 38.Kg3 Rb4 39.Be4 R8b6 40.f5 Ke5 41.Kxg4 
Nb7 42.Rc7 Nd6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Rodriguez, Ruben"]
[Black "Bouaziz, Slim"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2420"]
[ECO "A67"]
[EventDate "1979.09.05"]
[PlyCount "86"]

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 Na6 11.O-O Rb8 12.Be3 Nf6 13.Kh1 Nc7 14.Bf2 b5 15.Bh4 b4 
16.Nb1 Qd7 17.Nbd2 Nh5 18.Ng5 Bxb2 19.Rb1 Bf6 20.f5 h6 21.Ngf3 Bg7 22.Ng1 
Nf6 23.fxg6 fxg6 24.e5 Nfxd5 25.Rxf8+ Bxf8 26.exd6 Qxd6 27.Ne4 Qe6 28.Bg3 
c4 29.Bxc4 Qxe4 30.Bxc7 Qxc4 31.Bxb8 Bb7 32.Nf3 Nc3 33.Qc1 Bxf3 34.gxf3 
Qd3 35.Rb2 Qxf3+ 36.Rg2 Bc5 37.Bg3 Be3 38.Qe1 h5 39.Bf2 Nd5 40.Qb1 Nf4 41.
Qb3+ Kg7 42.Qb2+ Kh6 43.Bxe3 Qxe3 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Trois, Francisco"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2430"]
[ECO "A15"]
[EventDate "1979.09.05"]
[PlyCount "84"]

1.Nf3 Nf6 2.c4 e6 3.b3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Bb2 c5 8.e3 d5 9.
Qe2 Nc6 10.Rd1 dxc4 11.bxc4 Qc7 12.Nc3 a6 13.Rab1 Rab8 14.d3 Rfd8 15.Ba1 
Na7 16.e4 Ne8 17.e5 b5 18.cxb5 Nxb5 19.Ne4 Bd5 20.Rbc1 Qb6 21.Qe3 Rbc8 22.
Qf4 h6 23.a4 Na7 24.Nfd2 Nc6 25.Nc4 Bxc4 26.Rxc4 Nd4 27.Bxd4 Rxd4 28.Rxd4 
cxd4 29.Rc1 Rb8 30.Qd2 Bb4 31.Qc2 Bc3 32.Nxc3 Rc8 33.Qb1 Qxb1 34.Rxb1 dxc3
35.Rc1 Rc5 36.d4 Rc4 37.Bf1 Rxd4 38.Rxc3 Rxa4 39.Rc8 Kf8 40.Ra8 Ra5 41.f4 
g5 42.Rxa6 Rxa6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.14"]
[Round "7"]
[White "Tseshkovsky, Vitaly"]
[Black "Kuzmin, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2565"]
[ECO "C72"]
[EventDate "1979.09.05"]
[PlyCount "63"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.c3 Nf6 7.d4 Qe7 8.Re1 g6 
9.Nbd2 Bg7 10.Bxc6 Bxc6 11.Nc4 O-O 12.dxe5 Nxe4 13.exd6 cxd6 14.Be3 Qe6 
15.Na5 Qf5 16.Nxc6 bxc6 17.Nd4 Qd5 18.Qa4 Rfc8 19.Rad1 Nc5 20.Qa5 Rab8 21.
Ne2 Qe4 22.b3 Re8 23.c4 Qc2 24.Rd2 Qe4 25.Qc7 Nb7 26.Red1 Rec8 27.Qb6 a5 
28.Bf4 Nc5 29.Qxa5 Ra8 30.Qb6 Rab8 31.Qa5 Ra8 32.Qb6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Adorjan, Andras"]
[Black "Romanishin, Oleg"]
[Result "0-1"]
[WhiteElo "2525"]
[BlackElo "2560"]
[ECO "A28"]
[EventDate "1979.09.05"]
[PlyCount "150"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Nd5 e4 6.Ng1 O-O 7.a3 Bd6 8.Qc2 Re8
9.Ne2 b5 10.Ng3 bxc4 11.Bxc4 Bb7 12.b4 Ne5 13.Nxf6+ Qxf6 14.Bb2 Qg6 15.Be2
Nd3+ 16.Bxd3 exd3 17.Qc4 a5 18.O-O Qg5 19.Bc3 axb4 20.axb4 Qd5 21.Qxd5 
Bxd5 22.f3 f6 23.Ra5 c6 24.Nf5 Bf8 25.Kf2 Rab8 26.Ra7 Red8 27.Rb1 Bc4 28.
Rb2 Ra8 29.Ra5 Rdb8 30.Rxa8 Rxa8 31.Rb1 Rb8 32.Rb2 Kf7 33.e4 g6 34.Ne3 Be6
35.g3 Bd6 36.Ng2 h5 37.Ne1 Bc4 38.Ng2 Ra8 39.Ne3 Bb5 40.Rb1 Ra2 41.Nd1 Bc7
42.Bb2 Bb6+ 43.Kf1 Ra4 44.Ba1 Ra8 45.Nc3 Bc4 46.Bb2 h4 47.Kg2 Bc7 48.Nd1 
Bd6 49.Bc3 Ra2 50.f4 Be7 51.Kf2 d5 52.Rb2 dxe4 53.gxh4 Ra1 54.Ne3 Bb5 55.
f5 Bd6 56.Kg2 Bf4 57.fxg6+ Kxg6 58.Kf2 Bxh2 59.Ng4 Bg1+ 60.Kg2 f5 61.Ne5+ 
Kh7 62.Rb3 Rc1 63.Ra3 f4 64.Ra8 f3+ 65.Kg3 Rxc3 66.dxc3 d2 67.Ra1 f2 68.c4
Ba4 69.Ng4 d1=Q 70.Rxd1 Bxd1 71.Nxf2 Bxf2+ 72.Kxf2 Bb3 73.c5 Bc4 74.Ke3 
Bd3 75.b5 Bxb5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Ljubojevic, Ljubomir"]
[Black "Trois, Francisco"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2415"]
[ECO "C91"]
[EventDate "1979.09.05"]
[PlyCount "101"]

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 c5 13.dxc5 dxc5 14.Nbd2 Nd7 15.Bf4
Nc6 16.h3 Be6 17.Qe2 Rc8 18.a3 c4 19.Rad1 Qb6 20.Nf1 Rfe8 21.Ne3 Bc5 22.
Qd2 Nf8 23.Nd5 Qa7 24.Be3 f6 25.Qc3 Ng6 26.Nb4 Nce5 27.Bxc5 Nxf3+ 28.Qxf3 
Rxc5 29.Qe3 Rc7 30.Qxa7 Rxa7 31.Rd6 Bc8 32.Red1 Ne5 33.f4 Nf7 34.Rb6 Kf8 
35.Kf2 Bb7 36.Rd4 Rd8 37.Ke3 Ke7 38.g4 h6 39.h4 Rxd4 40.Kxd4 Nd8 41.Kc5 
Bc8 42.Nd5+ Ke8 43.e5 Ne6+ 44.Kb4 a5+ 45.Kc3 Nc7 46.Bg6+ Kd8 47.Rd6+ Bd7 
48.Nb6 Ne8 49.Rxd7+ Rxd7 50.Nxd7 Kxd7 51.e6+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Larsen, Bent"]
[Black "Miles, Anthony John"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2560"]
[ECO "A10"]
[EventDate "1979.09.05"]
[PlyCount "97"]

1.c4 b6 2.Nc3 e6 3.d4 Bb4 4.Qc2 c5 5.a3 Ba5 6.Nf3 Bb7 7.e3 Nf6 8.Bd2 O-O 
9.Be2 Bxc3 10.Bxc3 Ne4 11.O-O d6 12.Rfd1 Qe7 13.Be1 Nd7 14.dxc5 dxc5 15.
Nd2 Nd6 16.Nf1 Rad8 17.Rd2 f5 18.Rad1 Ne5 19.b4 Ndf7 20.Rxd8 Rxd8 21.Rxd8+
Nxd8 22.Qb2 Nd7 23.Ng3 Nf7 24.Bc3 Nd6 25.Be5 Ba6 26.b5 Bb7 27.Nh5 Ne8 28.
Nf4 g5 29.Nh5 Kf7 30.h3 Qd8 31.Bc3 Qc7 32.a4 Qd6 33.a5 Ke7 34.Qa1 Be4 35.
Qf1 e5 36.Ng3 Ng7 37.Nxe4 fxe4 38.Qb1 Qg6 39.axb6 axb6 40.Qa1 Qf6 41.Qa8 
Qg6 42.Qb7 h5 43.Bxe5 Ne6 44.Bg3 Ng7 45.Qd5 Qf5 46.Qd1 Qg6 47.Bc7 Qh6 48.
Qd5 Qg6 49.Qg8 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Kuzmin, Gennady"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[WhiteElo "2565"]
[BlackElo "2625"]
[ECO "A30"]
[EventDate "1979.09.05"]
[PlyCount "108"]

1.c4 c5 2.Nf3 Nf6 3.g3 Nc6 4.Bg2 d5 5.O-O e5 6.cxd5 Nxd5 7.Nc3 Be6 8.Nxd5 
Bxd5 9.d3 Be7 10.Bd2 O-O 11.Bc3 f6 12.a4 Qd7 13.a5 b5 14.axb6 axb6 15.Nd2 
Bxg2 16.Kxg2 Qd5+ 17.Kg1 Rxa1 18.Qxa1 b5 19.b3 Nd4 20.Bxd4 Ra8 21.Qc3 cxd4
22.Qc7 Bd8 23.Qc2 f5 24.Nf3 Bf6 25.Rd1 h5 26.h4 Re8 27.Kf1 e4 28.dxe4 fxe4
29.Nxd4 Bxd4 30.e3 Qc5 31.Qxc5 Bxc5 32.Rd5 Bf8 33.Rxb5 g6 34.g4 hxg4 35.
Kg2 Bd6 36.Rg5 Kh7 37.Rxg4 Kh6 38.Kh3 Re5 39.Rf4 Kg7 40.Rg4 Kh6 41.Rf4 Rf5
42.Rxe4 Rxf2 43.Kg4 Rg2+ 44.Kf3 Rg3+ 45.Kf2 Rh3 46.Kg2 Rh2+ 47.Kf3 Kh5 48.
Rd4 Be7 49.Kg3 Rxh4 50.Rd7 Re4 51.Kf3 Re6 52.e4 g5 53.Rd1 g4+ 54.Kf4 Bg5+ 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Gruenfeld, Yehuda"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2615"]
[ECO "C83"]
[EventDate "1979.09.05"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.c3 Be7 10.Nbd2 O-O 11.Bc2 f5 12.Nb3 Qd7 13.Nfd4 Nxd4 14.cxd4 a5 15.
f3 a4 16.fxe4 axb3 17.Bxb3 fxe4 18.Be3 Rxf1+ 19.Qxf1 Rf8 20.Qe2 h6 21.Rf1 
Rxf1+ 22.Qxf1 Qc6 23.Qe2 b4 24.Qc2 Qxc2 25.Bxc2 Kf7 26.Ba4 Bc8 27.Bc6 Ke6 
28.Kf2 Ba6 29.Bc1 Bc4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Tarjan, James Edward"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2370"]
[ECO "E74"]
[EventDate "1979.09.05"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.dxc5 dxc5 8.Qxd8 
Rxd8 9.e5 Nfd7 10.e6 Nf6 11.exf7+ Kxf7 12.Be3 Na6 13.Nf3 Kg8 14.O-O Bf5 
15.Rad1 Ng4 16.Bg5 Nc7 17.Nh4 Rxd1 18.Rxd1 Be6 19.Bxe7 Re8 20.Bxc5 Bc8 21.
Bd4 Bf8 22.h3 Ne5 23.Ne4 Nd7 24.Nc3 Ne6 25.Be3 Nec5 26.Nf3 Bg7 27.Bd4 Bh6 
28.Bf1 b6 29.Re1 Rf8 30.b4 Na6 31.Nd5 Bb7 32.Ne7+ Kf7 33.c5 Re8 34.c6 Rxe7
35.Rxe7+ Kxe7 36.cxb7 Nxb4 37.Be5 Nc6 38.Bc7 Ndb8 39.Bb5 Bg7 40.Bxc6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Bouaziz, Slim"]
[Black "Tseshkovsky, Vitaly"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2560"]
[ECO "B52"]
[EventDate "1979.09.05"]
[PlyCount "90"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.O-O Nf6 7.Nc3 e6 8.d4 
cxd4 9.Nxd4 Be7 10.Be3 O-O 11.f3 Rfd8 12.Rc1 Rac8 13.b3 d5 14.cxd5 exd5 
15.Nxc6 bxc6 16.exd5 Ba3 17.Rc2 Nxd5 18.Nxd5 cxd5 19.Rxc8 Rxc8 20.Qd3 Qe7 
21.Rd1 d4 22.Bf2 Bc5 23.Rc1 Rd8 24.Kf1 Bb6 25.a4 h6 26.Rc4 Qe6 27.b4 a6 
28.Rc1 Ba7 29.b5 axb5 30.axb5 Bb8 31.g3 h5 32.Kg1 h4 33.Rd1 h3 34.Kf1 Ba7 
35.Rc1 g6 36.Qc4 Qf5 37.Qc7 Rf8 38.Qf4 Qd3+ 39.Kg1 Qxb5 40.Rd1 Qb3 41.Rf1 
Bb6 42.Qg4 d3 43.Qxh3 d2 44.Bxb6 Qxb6+ 45.Kh1 Re8 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Mednis, Edmar John"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2595"]
[ECO "A13"]
[EventDate "1979.09.05"]
[PlyCount "58"]

1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 7.O-O b6 8.d4 
Bb7 9.Nc3 a6 10.dxc5 Bxc5 11.Bg5 b5 12.Qf4 h6 13.Bxf6 Qxf6 14.Qc7 Ra7 15.
Rfd1 Bxf3 16.Qc8+ Qd8 17.Qxd8+ Kxd8 18.Bxf3 Ke7 19.a4 b4 20.Ne4 Rc7 21.e3 
f5 22.Nd2 Ba7 23.Nb3 Ne5 24.Be2 Rc2 25.Bxa6 Rxb2 26.Rab1 Rd8 27.Rxb2 Rxd1+
28.Kg2 g5 29.Be2 Rd5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.15"]
[Round "8"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2540"]
[ECO "B52"]
[EventDate "1979.09.05"]
[PlyCount "122"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.a4 Nc6 5.O-O Nf6 6.Qe2 e6 7.Rd1 Be7 8.d4 
cxd4 9.Nxd4 Qc7 10.Nc3 O-O 11.Bxc6 bxc6 12.b3 e5 13.Nf3 h6 14.Ba3 Be6 15.
Nd2 Rfd8 16.Nc4 Rac8 17.a5 Bf8 18.a6 Rb8 19.Bb2 Bg4 20.f3 Bc8 21.Kh1 Nd7 
22.Nb1 Nc5 23.Bc3 Qe7 24.Ne3 Qg5 25.Nf1 Rd7 26.Bd2 Qf6 27.b4 Ne6 28.c3 d5 
29.exd5 cxd5 30.Qf2 d4 31.Ng3 Qd8 32.Re1 dxc3 33.Bxc3 f6 34.Qa2 Rd6 35.Nd2
Rxa6 36.Qb3 Rxa1 37.Rxa1 Qc7 38.h3 Kh8 39.Nde4 a6 40.Nf5 Nf4 41.Nxh6 gxh6 
42.Nxf6 Qg7 43.Qb2 Nd3 44.Qe2 Qxf6 45.Qxd3 Bg7 46.Re1 Bf5 47.Qd5 Rb5 48.
Qa8+ Kh7 49.f4 Qg6 50.Re3 Bd7 51.Qe4 Qxe4 52.Rxe4 Kg6 53.fxe5 Be6 54.Re1 
Kf5 55.g4+ Kg6 56.Kg2 Bf8 57.Rd1 Be7 58.Ra1 Bc8 59.Ra5 Rb6 60.Ra4 Rc6 61.
Ra3 a5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Ribli, Zoltan"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2525"]
[ECO "D85"]
[EventDate "1979.09.05"]
[PlyCount "20"]

1.c4 g6 2.d4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.Nf3 Bg7 6.g3 c5 7.Bg2 Nc6 8.O-O 
cxd4 9.Nxd4 Nxc3 10.bxc3 Nxd4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Tal, Mikhail"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2590"]
[ECO "E16"]
[EventDate "1979.09.05"]
[PlyCount "113"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Nh4 g6 8.Nc3 Bg7 
9.O-O O-O 10.Bg5 Qc7 11.Bf4 Qc8 12.cxd5 Ne8 13.Rc1 d6 14.a3 Nd7 15.b4 a6 
16.Ne4 Qc7 17.bxc5 bxc5 18.Qd2 Rb8 19.Nf3 Ba8 20.Qd3 h6 21.Qxa6 Bb7 22.Qd3
g5 23.Bd2 Ra8 24.Qb3 Nb6 25.Nc3 c4 26.Qc2 Bxc3 27.Qxc3 Bxd5 28.Be3 Na4 29.
Qd4 Ra5 30.Bd2 Rb5 31.h4 f6 32.hxg5 hxg5 33.Bb4 Qb7 34.Rxc4 Bxc4 35.Qxc4+ 
Qd5 36.Qc2 Nb6 37.Rd1 Qf7 38.Nd4 Re5 39.Nc6 g4 40.Nxe5 fxe5 41.Be1 Kg7 42.
a4 Nd7 43.a5 Nc5 44.Rxd6 Nxd6 45.Qxc5 Qe6 46.Bb4 Rd8 47.a6 Nf7 48.a7 Qa6 
49.Qe7 Qa1+ 50.Bf1 Rh8 51.Qb7 Kf6 52.Bc5 Qa4 53.e3 Qa1 54.Kg2 Kg7 55.Qe4 
Kf6 56.Qc6+ Kg7 57.Qa6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Miles, Anthony John"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2430"]
[ECO "A65"]
[EventDate "1979.09.05"]
[PlyCount "83"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O
9.O-O a6 10.a4 Qc7 11.b3 Nbd7 12.Kh1 Re8 13.f3 Rb8 14.a5 b5 15.axb6 Rxb6 
16.Bd2 Ne5 17.Bc2 c4 18.Be3 Rb4 19.Na2 Rb8 20.b4 Bd7 21.Bd4 Nd3 22.Qd2 Qd8
23.Bc3 Ne5 24.Nac1 Ra8 25.Ra3 Qe7 26.Nd4 Qf8 27.Nce2 Bh6 28.Qd1 Nh5 29.f4 
Ng4 30.Ba1 Ngf6 31.Nf5 Bxf5 32.exf5 Qe7 33.Nd4 Nxf4 34.fxg6 fxg6 35.Nc6 
Qf7 36.Raf3 N6xd5 37.Qd4 Bg7 38.Qxc4 Bxa1 39.Rxa1 Re3 40.Raf1 Rxf3 41.Rxf3
Re8 42.Bb3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Polugaevsky, Lev"]
[Black "Bouaziz, Slim"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2420"]
[ECO "A78"]
[EventDate "1979.09.05"]
[PlyCount "97"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Be2 O-O 
9.O-O Re8 10.Nd2 Na6 11.Kh1 Nc7 12.a4 b6 13.f3 Rb8 14.Nc4 Ba6 15.Bg5 h6 
16.Be3 Bxc4 17.Bxc4 a6 18.Qd3 Qc8 19.Bf4 Rd8 20.Rab1 Bf8 21.b4 Nd7 22.Qd2 
Kh7 23.Be2 Ne8 24.b5 a5 25.Bg3 Bg7 26.f4 Rb7 27.Bh4 Bf6 28.Bxf6 Ndxf6 29.
e5 Ng8 30.Bd3 Ng7 31.Rbe1 Re7 32.f5 gxf5 33.Qc2 Kh8 34.Bxf5 Qc7 35.e6 Rde8
36.h3 Nxf5 37.Qxf5 Qc8 38.Qf4 fxe6 39.Qxd6 exd5 40.Rxe7 Rxe7 41.Nxd5 Qe6 
42.Qc6 Qe2 43.Rg1 Re6 44.Qc7 Qf2 45.Nxb6 Nf6 46.Nd7 Ne4 47.b6 Rd6 48.Qd8+ 
Kg7 49.Qe7+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Romanishin, Oleg"]
[Black "Kuzmin, Gennady"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2565"]
[ECO "B88"]
[EventDate "1979.09.05"]
[PlyCount "94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Bb3 Be7 8.Be3 
a6 9.f4 Qa5 10.O-O O-O 11.Kh1 Bd7 12.f5 Nxd4 13.Bxd4 exf5 14.exf5 Bc6 15.
Qd3 Rae8 16.Rad1 Nd7 17.Qg3 Bf6 18.Qxd6 Bxd4 19.Qxd4 Nf6 20.Qf4 Re5 21.
Rde1 Rfe8 22.Rxe5 Rxe5 23.h3 Qc5 24.Kh2 b5 25.Rd1 Re8 26.a3 Bb7 27.Rd2 h6 
28.Re2 Rd8 29.Qe5 Qc8 30.Qe7 Rd7 31.Qe3 Qc6 32.Qe5 Kh7 33.Qe3 a5 34.Qe5 a4
35.Ba2 Ba6 36.Rf2 Qb6 37.Rf3 Bb7 38.Rg3 Qf2 39.Qxb5 Re7 40.Nd1 Qf4 41.Qb4 
Ne4 42.Qe1 Rd7 43.Nc3 Nxg3 44.Qxg3 Qf1 45.Qg4 Rd4 46.Qe2 Qf4+ 47.g3 Qd2 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Tseshkovsky, Vitaly"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2525"]
[ECO "B93"]
[EventDate "1979.09.05"]
[PlyCount "102"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Nbd7 7.Be2 e5 8.Nf5 
Nc5 9.Ng3 Bd7 10.O-O Be7 11.Be3 Rc8 12.fxe5 dxe5 13.Nd5 Be6 14.Nxf6+ Bxf6 
15.Qc1 Be7 16.Nh5 Bf8 17.Qe1 Nd7 18.Rd1 Rxc2 19.Bd3 Rc6 20.Be2 Qe7 21.Qg3 
g6 22.Rxd7 Bxd7 23.Bg5 Qc5+ 24.Be3 Qxe3+ 25.Qxe3 Bc5 26.Nf6+ Ke7 27.Qxc5+ 
Rxc5 28.Nxd7 Kxd7 29.Rxf7+ Kc6 30.Bg4 Rc2 31.Be6 Rxb2 32.h4 Kc5 33.Rd7 b5 
34.Kh2 a5 35.Rd5+ Kb4 36.Bd7 Rd8 37.Rxb5+ Kc3 38.Rc5+ Kd4 39.Rc7 Rxa2 40.
Be6 Rb2 41.Rxh7 Kxe4 42.Rh6 a4 43.Rxg6 Ra8 44.Rg4+ Ke3 45.Rg3+ Kd4 46.Ra3 
e4 47.Bf5 e3 48.Kg3 Rg8+ 49.Bg4 e2 50.Kf2 Re8 51.Rxa4+ Kc5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Gheorghiu, Florin"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2510"]
[ECO "A16"]
[EventDate "1979.09.05"]
[PlyCount "111"]

1.c4 Nf6 2.Nc3 c6 3.e4 e5 4.Nf3 Bb4 5.Nxe5 O-O 6.Be2 Re8 7.Nd3 Bxc3 8.dxc3
Nxe4 9.O-O d5 10.cxd5 Qxd5 11.Be3 Nd7 12.Nf4 Qa5 13.Qd4 Ndf6 14.Rfd1 Bf5 
15.a4 Ng5 16.b4 Qc7 17.f3 h6 18.a5 Bc2 19.Rd2 Red8 20.Qc5 Rxd2 21.Bxd2 a6 
22.Rc1 Bh7 23.Be3 Re8 24.Rd1 Bc2 25.Rd2 Bb1 26.Qd4 Qe7 27.Bf2 Bf5 28.Bf1 
Bc8 29.Qc5 Qxc5 30.Bxc5 Ne6 31.Nxe6 Bxe6 32.Kf2 Rc8 33.Bd3 Nd7 34.Bd6 Nf6 
35.c4 Rd8 36.Be7 Rd7 37.Bxf6 gxf6 38.Ke3 Kf8 39.g4 Ke7 40.Rg2 Kf8 41.f4 
Rd8 42.Rg3 Bd7 43.Kd4 f5 44.Kc5 fxg4 45.Kb6 Be8 46.Kxb7 h5 47.Kxa6 Rd4 48.
Kb6 h4 49.Rxg4 Rxd3 50.f5 Rb3 51.c5 Bd7 52.a6 Bxf5 53.Rxh4 Kg7 54.a7 Ra3 
55.Kb7 Bc8+ 56.Kb8 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Rodriguez, Ruben"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2620"]
[ECO "D90"]
[EventDate "1979.09.05"]
[PlyCount "122"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qa4+ c6 6.cxd5 Nxd5 7.e4 Nb6 8.Qc2 
Bg4 9.Ne5 Be6 10.Be3 O-O 11.Rd1 N8d7 12.Nf3 Qc8 13.h3 f5 14.Ng5 Nf6 15.f3 
Kh8 16.Nxe6 Qxe6 17.Qb3 Qxb3 18.axb3 fxe4 19.fxe4 Nh5 20.g4 Ng3 21.Rg1 Rf3
22.Rxg3 Rxg3 23.Kf2 Rxe3 24.Kxe3 Bh6+ 25.Ke2 Rd8 26.Bg2 Bf4 27.e5 g5 28.
Be4 Nd7 29.Bf5 Nf8 30.Na4 Kg7 31.b4 b6 32.Rd3 Bh2 33.Rd1 Kf7 34.Bc2 Ng6 
35.Bxg6+ hxg6 36.Nc3 Bf4 37.Ne4 Ke6 38.b3 Rh8 39.Rd3 Ra8 40.Rd1 Rh8 41.Rd3
Kd7 42.Rf3 Kc7 43.Kd3 a6 44.Kc3 Kd7 45.Kc4 Ke6 46.Kd3 Bc1 47.Nc3 Ba3 48.
Kc4 Rd8 49.Ne4 b5+ 50.Kd3 Bxb4 51.Nxg5+ Kd5 52.Nf7 Ra8 53.h4 a5 54.h5 gxh5
55.gxh5 a4 56.h6 axb3 57.h7 Ra1 58.h8=Q b2 59.Qd8+ Bd6 60.Ke3 b1=Q 61.Nxd6
Qc1+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.16"]
[Round "9"]
[White "Trois, Francisco"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2435"]
[ECO "B18"]
[EventDate "1979.09.05"]
[PlyCount "31"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7 7.h4 h6 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Qc7 12.O-O-O Ngf6 13.Kb1 O-O-O 14.Qe2 Bd6 15.
Ne4 Bf4 16.Nxf6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Adorjan, Andras"]
[Black "Kuzmin, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2565"]
[ECO "A28"]
[EventDate "1979.09.05"]
[PlyCount "170"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 Bxc3 6.Qxc3 Qe7 7.a3 d5 8.cxd5 
Nxd5 9.Qb3 Nb6 10.d3 O-O 11.Be2 a5 12.Bd2 Be6 13.Qc2 a4 14.Rc1 Nd7 15.O-O 
Bb3 16.Qb1 f5 17.Bc3 Bd5 18.Nd2 Nc5 19.Bd1 Kh8 20.Bc2 Qg5 21.e4 fxe4 22.
dxe4 Be6 23.f3 Nd4 24.Rf2 Nxc2 25.Qxc2 Rad8 26.f4 Qh6 27.Bxe5 Nd3 28.Rcf1 
Nxf2 29.Rxf2 Rd7 30.h3 Bb3 31.Nxb3 axb3 32.Qxb3 Qc6 33.Qc2 Qb6 34.Kh2 Re7 
35.Rf3 Qb5 36.Rb3 Qf1 37.Rf3 Qe1 38.Rg3 Rd8 39.Qc3 Qxc3 40.Bxc3 Rd1 41.f5 
Rf1 42.Rd3 h5 43.Rf3 Rxf3 44.gxf3 Rd7 45.Kg3 Rd1 46.e5 Kg8 47.e6 Rf1 48.
Be5 c5 49.f4 Rg1+ 50.Kh4 b5 51.Kxh5 Re1 52.Kg4 b4 53.axb4 cxb4 54.h4 b3 
55.Kf3 Kf8 56.Kf2 Rd1 57.Ke2 Rg1 58.Kf3 Re1 59.Bd4 Kg8 60.h5 Rf1+ 61.Ke4 
Re1+ 62.Kd5 Rh1 63.Kd6 Rd1 64.Ke5 Re1+ 65.Kd5 Rh1 66.f6 Rxh5+ 67.Kd6 gxf6 
68.Bxf6 Kf8 69.Bg5 Ke8 70.Kd5 Rh2 71.Bf6 Rf2 72.Ke4 Re2+ 73.Kf5 Rd2 74.Bc3
Rc2 75.Bf6 Rd2 76.Bc3 Rc2 77.Be5 Ke7 78.Bd4 Rc6 79.Bf6+ Ke8 80.Ke5 Rc2 81.
Kd5 Rf2 82.Be5 Ke7 83.Kc4 Rf3 84.Kd5 Rf2 85.Kc4 Rf3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Ljubojevic, Ljubomir"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2560"]
[ECO "B77"]
[EventDate "1979.09.05"]
[PlyCount "120"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f3 Bg7 7.Be3 O-O 8.Bc4 
Bd7 9.Qd2 Nc6 10.h4 Rc8 11.Bb3 h5 12.O-O-O Ne5 13.Bg5 Rc5 14.f4 Nc4 15.Qd3
b5 16.e5 Ng4 17.Ne4 Rd5 18.Nxd6 Ngxe5 19.fxe5 Nxe5 20.Bxd5 Nxd3+ 21.Rxd3 
Qb6 22.Bxe7 Bxd4 23.Rf1 Qc5 24.Bxf8 Qxd5 25.Rxf7 Bf5 26.Nxf5 Kxf7 27.Nxd4 
Kxf8 28.g3 Qxa2 29.c3 a5 30.Nc2 Qc4 31.Kd2 Qe4 32.Nd4 Kg7 33.Kc2 a4 34.Nf3
Qe2+ 35.Nd2 Kf6 36.Rd5 Kf7 37.Rd4 g5 38.hxg5 Kg6 39.Rd5 Qg2 40.Rd3 Kxg5 
41.Re3 Kg4 42.Re7 Qf2 43.Rg7+ Kh3 44.Kd3 Qf6 45.Rb7 Qf5+ 46.Ke2 Qg4+ 47.
Kd3 Qxg3+ 48.Kc2 Qe5 49.c4 bxc4 50.Rb4 Qf5+ 51.Kc1 h4 52.Rxc4 Kg3 53.Ne4+ 
Kg2 54.Rc2+ Kg1 55.Re2 h3 56.Kd2 Qf4+ 57.Kd3 h2 58.Re1+ Kg2 59.Re2+ Kf1 
60.Re3 h1=Q 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Tarjan, James Edward"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2625"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "90"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Nc3 c6 8.e4 d5 9.
e5 Ne4 10.Bd3 Nxc3 11.Bxc3 c5 12.cxd5 Qxd5 13.Bxa6 Nxa6 14.dxc5 Qe4+ 15.
Qe2 Nxc5 16.Qxe4 Nxe4 17.Bd4 O-O-O 18.Rc1+ Kb7 19.Ke2 Rd5 20.Ke3 Ng5 21.
Nxg5 Bxg5+ 22.f4 Be7 23.Rhd1 Rhd8 24.Rd3 Ba3 25.Rcd1 Kc6 26.Ke4 Kb5 27.g4 
Bc5 28.Bc3 Rxd3 29.Rxd3 Rxd3 30.Kxd3 Bb4 31.Bb2 Kc6 32.Ke4 Bd2 33.Ba3 g6 
34.Bb2 Kb5 35.Ba3 a5 36.Kf3 a4 37.Ke4 axb3 38.axb3 Ka5 39.Kf3 Kb5 40.g5 
Be1 41.Ke4 Bb4 42.Bb2 Bf8 43.Bc3 h6 44.gxh6 Bxh6 45.Bd2 Bf8 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Bouaziz, Slim"]
[Black "Romanishin, Oleg"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2560"]
[ECO "C10"]
[EventDate "1979.09.05"]
[PlyCount "87"]

1.e4 e6 2.d4 d5 3.Nc3 Be7 4.Nf3 Nf6 5.Bd3 c5 6.exd5 exd5 7.dxc5 O-O 8.O-O 
Nbd7 9.Nd4 Bxc5 10.Nf5 Ne5 11.Bf4 Re8 12.h3 Bd7 13.Re1 Ng6 14.Rxe8+ Bxe8 
15.Bg3 Bc6 16.Bf1 d4 17.Ne2 Ne4 18.Nfxd4 Qf6 19.c3 h5 20.Qe1 h4 21.Bh2 Re8
22.f3 Ng5 23.Qf2 Ne5 24.Bxe5 Rxe5 25.Kh1 Ne4 26.Qg1 Ng3+ 27.Nxg3 hxg3 28.
b4 Bb6 29.a4 a5 30.bxa5 Rxa5 31.Qe3 Rh5 32.Re1 Bxa4 33.f4 Bc6 34.Qxg3 Bxd4
35.cxd4 Qh4 36.Kh2 Qf6 37.Re5 Rh4 38.Rg5 Qxf4 39.Rxg7+ Kf8 40.Bc4 Qxg3+ 
41.Kxg3 Kxg7 42.Kxh4 Bxg2 43.Kg3 Bc6 44.d5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2615"]
[ECO "B81"]
[EventDate "1979.09.05"]
[PlyCount "87"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 Nc6 7.g5 Nd7 8.Be3 Nb6
9.Qd2 d5 10.O-O-O Be7 11.Nb3 O-O 12.exd5 exd5 13.Nxd5 Nxd5 14.Qxd5 Qxd5 
15.Rxd5 Nb4 16.Re5 Bd6 17.Ra5 b6 18.Bg2 bxa5 19.Bxa8 Nxc2 20.Rd1 Bxh2 21.
Bc5 Bf4+ 22.Nd2 Bf5 23.Bxf8 Kxf8 24.Rg1 Nb4 25.Kd1 Nd3 26.Ke2 Nxb2 27.Ne4 
Be6 28.Kf3 Bc7 29.Rc1 Nc4 30.Nc5 Ne5+ 31.Ke4 Bxa2 32.Nd7+ Nxd7 33.Rxc7 Be6
34.Rxa7 f6 35.Bd5 Bh3 36.gxf6 Nxf6+ 37.Ke5 Nxd5 38.Kxd5 Bg2+ 39.Ke5 Bf3 
40.Kf5 Bd1 41.Rxa5 Bc2+ 42.Ke6 Bb3+ 43.Ke5 Kf7 44.Ra7+ 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Gruenfeld, Yehuda"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2370"]
[ECO "B81"]
[EventDate "1979.09.05"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 e6 6.g4 Nc6 7.g5 Nd7 8.Be3 Nb6
9.Bb5 Bd7 10.Nb3 Rc8 11.Qe2 a6 12.Bxc6 Bxc6 13.O-O-O Be7 14.h4 Bd7 15.f4 
Nc4 16.h5 b5 17.Bd4 b4 18.Nd5 exd5 19.h6 dxe4 20.hxg7 Rg8 21.Qxe4 Bc6 22.
Qxh7 Kd7 23.Qf5+ Kc7 24.Rh8 Kb8 25.Qxf7 Qe8 26.Qxc4 Bb7 27.Rxg8 Qxg8 28.
Qxg8 Rxg8 29.Bf6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Larsen, Bent"]
[Black "Tseshkovsky, Vitaly"]
[Result "1/2-1/2"]
[WhiteElo "2620"]
[BlackElo "2560"]
[ECO "A15"]
[EventDate "1979.09.05"]
[PlyCount "71"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.dxc3 Qxd1+ 7.Kxd1 Nd7 
8.Bf4 c6 9.Kc2 f6 10.Nd2 e5 11.Be3 a5 12.h4 h5 13.Rh3 Bc5 14.Rd1 Bxe3 15.
Rxe3 Nc5 16.Nc4 Bg4 17.f3 Be6 18.Nb6 Rd8 19.Rxd8+ Kxd8 20.b4 axb4 21.cxb4 
Nd7 22.Bc4 Bxc4 23.Nxc4 Kc7 24.a4 Nf8 25.Rd3 Ne6 26.Kb2 Nf4 27.Rd2 Rd8 28.
Rc2 Nd3+ 29.Kc3 Ne1 30.Re2 Rd3+ 31.Kb2 Rd4 32.Kc3 Rd3+ 33.Kb2 Rd4 34.Kc3 
Rd3+ 35.Kb2 Rd4 36.Kc3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Mednis, Edmar John"]
[Black "Trois, Francisco"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2415"]
[ECO "C91"]
[EventDate "1979.09.05"]
[PlyCount "122"]

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 c5 13.dxc5 dxc5 14.Nbd2 Nd7 15.Bf4
Re8 16.h3 Bh5 17.e5 Nf8 18.Be4 Rc8 19.Qc2 Nc6 20.a3 Bg6 21.Rad1 Qc7 22.
Bxg6 hxg6 23.Ne4 Ne6 24.Bg3 Ncd4 25.Qd3 Red8 26.Nd6 Nf5 27.Bh2 c4 28.Qd5 
Qc6 29.g4 Qxd5 30.Rxd5 Nh4 31.Nxh4 Bxh4 32.Bg3 Bxg3 33.Nxc8 Bxf2+ 34.Kxf2 
Rxc8 35.Ke3 g5 36.Rd6 Rc5 37.Rxa6 Rxe5+ 38.Kd2 Rd5+ 39.Kc2 Rd3 40.Rexe6 
fxe6 41.Rxe6 Rxh3 42.Re5 Rb3 43.Rc5 Kf7 44.a4 bxa4 45.Rxc4 Rf3 46.Rxa4 Kf6
47.Rc4 Ke5 48.b4 g6 49.Rc5+ Kf4 50.Rc4+ Ke5 51.b5 Kd5 52.Rc3 Rxc3+ 53.Kxc3
Kc5 54.Kd3 Kxb5 55.Kd4 Kc6 56.Ke5 Kd7 57.Kf6 Ke8 58.Ke6 Kf8 59.Kf6 Kg8 60.
Kxg6 Kf8 61.Kxg5 Kg7 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.18"]
[Round "10"]
[White "Ribli, Zoltan"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[WhiteElo "2595"]
[BlackElo "2540"]
[ECO "A56"]
[EventDate "1979.09.05"]
[PlyCount "88"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.Bd3 O-O 7.Nge2 e6 8.O-O exd5 
9.cxd5 Re8 10.Kh1 c4 11.Bc2 Na6 12.Bg5 h6 13.Be3 Bd7 14.Qd2 b5 15.a3 Nc5 
16.f3 h5 17.Nd4 a6 18.Rae1 Rc8 19.Bh6 Bxh6 20.Qxh6 Nh7 21.Qe3 Nf6 22.Qf4 
Qe7 23.Qd2 Qf8 24.f4 Qh6 25.h3 Re7 26.Qf2 Nh7 27.e5 f5 28.Nc6 Bxc6 29.dxc6
Qf8 30.Nd5 Rxc6 31.exd6 Rxe1 32.Rxe1 Qxd6 33.Ne7+ Kf7 34.Nxc6 Qxc6 35.Qe3 
Nf8 36.Qe7+ Kg8 37.Rd1 Nce6 38.Rd6 Qc8 39.Bd1 c3 40.bxc3 Qc4 41.Bf3 h4 42.
Qxh4 Qxc3 43.Bd5 Qe3 44.Rxa6 Kg7 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Gheorghiu, Florin"]
[Black "Adorjan, Andras"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2525"]
[ECO "E12"]
[EventDate "1979.09.05"]
[PlyCount "113"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.g3 Be7 8.Bg2 O-O
9.O-O Na6 10.Bf4 c5 11.Ne5 Re8 12.dxc5 Nxc5 13.Nf3 Nfe4 14.Nb5 a6 15.Nbd4 
Bf6 16.Rc1 g5 17.Be3 Qd7 18.Nd2 Rac8 19.Nxe4 dxe4 20.Rc2 Ne6 21.Rd2 Nxd4 
22.Bxd4 Red8 23.e3 Qe6 24.Qh5 Bxd4 25.Qxg5+ Qg6 26.Qe7 Bc6 27.Rxd4 Rxd4 
28.exd4 Re8 29.Qc7 Bb5 30.Re1 Qf6 31.Qc3 Bd3 32.f3 Qf5 33.fxe4 Bxe4 34.Qd2
Re6 35.Qf4 Qxf4 36.gxf4 f5 37.Kf2 Rh6 38.h3 Bxg2 39.Kxg2 Rc6 40.Kf3 Rh6 
41.Kg3 Rd6 42.Rd1 Kf7 43.d5 a5 44.Rd3 a4 45.Kh4 h6 46.Rd4 b5 47.Rd2 Ke7 
48.Re2+ Kd7 49.Kh5 Rxd5 50.Kxh6 Rd3 51.Kg5 Rxh3 52.Kxf5 b4 53.axb4 Rb3 54.
Kg6 Rxb4 55.f5 Rg4+ 56.Kf7 Kd6 57.f6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Rodriguez, Ruben"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2590"]
[ECO "A30"]
[EventDate "1979.09.05"]
[PlyCount "101"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.e3 d5 5.cxd5 exd5 6.d4 Nc6 7.Be2 Ne4 8.O-O 
Be7 9.h3 O-O 10.Bd3 Bf5 11.dxc5 Bxc5 12.Na4 Be7 13.b3 Qd6 14.Bb2 Qg6 15.
Ne1 Bxh3 16.f3 Rad8 17.Qe2 Ng3 18.Bxg6 Nxe2+ 19.Kf2 hxg6 20.gxh3 b5 21.
Kxe2 bxa4 22.Rc1 Rc8 23.bxa4 Rfe8 24.Nd3 Bg5 25.f4 Bf6 26.Bxf6 gxf6 27.Kd2
Na5 28.Nb4 f5 29.Rxc8 Rxc8 30.Rc1 Re8 31.Nxd5 Rd8 32.Rc8 Rxc8 33.Ne7+ Kg7 
34.Nxc8 a6 35.Nd6 Kf6 36.Kc3 Ke6 37.Kb4 Nc6+ 38.Kc5 Kd7 39.Nb7 Ne7 40.Na5 
f6 41.h4 Kc7 42.Nb3 Kd7 43.Nd4 Nc8 44.Nc6 Ke6 45.a5 Nd6 46.Nb8 Ne4+ 47.Kc6
Nc3 48.Nxa6 Nxa2 49.Nc7+ Ke7 50.Nd5+ Kd8 51.a6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Miles, Anthony John"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2435"]
[ECO "A16"]
[EventDate "1979.09.05"]
[PlyCount "113"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 g6 4.d4 Bg7 5.e4 d6 6.dxc5 Qa5 7.Bd2 Qxc5 8.Be2 
Bg4 9.O-O O-O 10.Rc1 Nbd7 11.Nd5 Nxd5 12.cxd5 Qb6 13.b4 Nf6 14.h3 Bd7 15.
Bd3 Rfc8 16.Qb3 Bb5 17.Be3 Qa6 18.Bxb5 Qxb5 19.Nd4 Qe8 20.f3 Nh5 21.Rfd1 
Be5 22.Ne2 Ng3 23.Nxg3 Bxg3 24.b5 Rxc1 25.Rxc1 Rc8 26.Rc4 Qd8 27.Bxa7 h5 
28.Bd4 f6 29.a4 Rxc4 30.Qxc4 Qa5 31.Bc3 Qb6+ 32.Bd4 Qa5 33.Bc3 Qb6+ 34.Qd4
Qc7 35.b6 Qc8 36.Qb4 Be5 37.Bxe5 Qc1+ 38.Kf2 fxe5 39.h4 Qc2+ 40.Kg3 Qc1 
41.a5 Qf1 42.Qd2 Qg1 43.Qb4 Kg7 44.a6 g5 45.Qd2 gxh4+ 46.Kxh4 Qxb6 47.Qg5+
Kf8 48.Qh6+ Ke8 49.axb7 Qxb7 50.Kxh5 Qb2 51.Qg6+ Kd8 52.Kh6 Qc1+ 53.Qg5 
Qh1+ 54.Kg7 Qh2 55.g4 Qh3 56.Qf5 Kc7 57.g5 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Polugaevsky, Lev"]
[Black "Larsen, Bent"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2620"]
[ECO "D16"]
[EventDate "1979.09.05"]
[PlyCount "77"]

1.Nf3 Nf6 2.c4 c6 3.d4 d5 4.Nc3 dxc4 5.a4 Na6 6.e4 Bg4 7.Bxc4 e6 8.Be3 Bb4
9.Qd3 Bxf3 10.gxf3 Nc7 11.Rg1 Nh5 12.Ke2 g6 13.d5 Bd6 14.dxc6 bxc6 15.Qd4 
O-O 16.Rgd1 Bxh2 17.Qxd8 Rfxd8 18.Rxd8+ Rxd8 19.Bxa7 Be5 20.a5 Nf4+ 21.Kf1
Rd2 22.Nd1 Na8 23.Be3 Rd7 24.a6 Kf8 25.Nc3 g5 26.Na4 Bd4 27.Rd1 e5 28.Nc5 
Rd8 29.Nb3 Bb6 30.Rxd8+ Bxd8 31.a7 Bb6 32.Bxb6 Nxb6 33.Na5 Ke7 34.Nxc6+ 
Kd6 35.Nb4 Ne6 36.Nd5 Na8 37.Nf6 h6 38.Bd5 Nec7 39.Ne8+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Romanishin, Oleg"]
[Black "Tarjan, James Edward"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2525"]
[ECO "A14"]
[EventDate "1979.09.05"]
[PlyCount "67"]

1.Nf3 c5 2.c4 Nf6 3.g3 Nc6 4.Bg2 d5 5.cxd5 Nxd5 6.Nc3 e6 7.O-O Be7 8.d4 
O-O 9.e4 Ndb4 10.d5 exd5 11.exd5 Nd4 12.a3 Nxd5 13.Nxd4 Nxc3 14.bxc3 cxd4 
15.cxd4 Rb8 16.Rb1 b5 17.Qd3 Rb6 18.Bd2 Qd7 19.Rfc1 Ra6 20.Bb4 Bxb4 21.
axb4 Rd6 22.d5 a6 23.Rc5 Qg4 24.Qc3 Bb7 25.Re1 Rfd8 26.h3 Qg5 27.Re5 Qf6 
28.Qe3 Kf8 29.g4 R6d7 30.Rc1 Qd6 31.Re1 Qb8 32.Qc5+ Kg8 33.g5 Rc7 34.Qxc7 
1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Tal, Mikhail"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2510"]
[ECO "B09"]
[EventDate "1979.09.05"]
[PlyCount "103"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be3 c5 7.dxc5 Qa5 8.Bd3 Ng4
9.Bd2 Qxc5 10.Qe2 Nf6 11.O-O-O Na6 12.e5 dxe5 13.fxe5 Ng4 14.Rde1 Nh6 15.
Bf4 Nb4 16.Be4 Be6 17.a3 Nc6 18.Rd1 Rfd8 19.Rxd8+ Rxd8 20.Rd1 Rxd1+ 21.
Qxd1 f6 22.Bxc6 Qxc6 23.exf6 exf6 24.Nd4 Qd7 25.Nxe6 Qxe6 26.Qd8+ Kf7 27.
Qc7+ Qe7 28.Nb5 Qxc7 29.Bxc7 Ng4 30.Kd2 f5 31.b3 Ke6 32.Nxa7 Bd4 33.Nb5 
Bg1 34.h3 Ne3 35.g3 Nd5 36.Bb8 Nf6 37.Nc3 g5 38.Kd3 Bf2 39.Nb5 Ne4 40.Nd4+
Bxd4 41.Kxd4 Nf6 42.c4 Nd7 43.Bc7 Nf8 44.b4 Ng6 45.b5 h5 46.a4 h4 47.gxh4 
Nxh4 48.Kc5 Kd7 49.Kb6 Kc8 50.a5 Ng6 51.a6 bxa6 52.bxa6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Kuzmin, Gennady"]
[Black "Bouaziz, Slim"]
[Result "1-0"]
[WhiteElo "2565"]
[BlackElo "2420"]
[ECO "E64"]
[EventDate "1979.09.05"]
[PlyCount "141"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 c5 7.d5 e6 8.O-O exd5 
9.cxd5 Re8 10.h3 Ne4 11.Nxe4 Rxe4 12.Bg5 Qc7 13.Nd2 Re8 14.Bf4 Nd7 15.Nc4 
Ne5 16.Nxe5 Bxe5 17.Bxe5 Rxe5 18.e4 Bd7 19.Qd2 f6 20.f4 Re7 21.Rae1 Rae8 
22.Kh2 Rf7 23.Rf2 b6 24.Rfe2 Qd8 25.Qc3 Rff8 26.Re3 Qe7 27.Qa3 a5 28.Qb3 
b5 29.Qc3 a4 30.a3 h6 31.e5 dxe5 32.fxe5 fxe5 33.Rxe5 Qd6 34.Rxe8 Rxe8 35.
Rxe8+ Bxe8 36.Qe3 Bf7 37.Qxh6 b4 38.Qe3 Kf8 39.h4 Qe7 40.Qh6+ Kg8 41.Qd2 
Qd6 42.Be4 Kf8 43.Kg2 Ke7 44.Bf3 Kd8 45.g4 bxa3 46.bxa3 c4 47.Qc3 Be8 48.
Qa5+ Ke7 49.Qa7+ Kd8 50.Qe3 Qf6 51.Qc5 Bd7 52.d6 c3 53.Qa5+ Ke8 54.Qa8+ 
Qd8 55.Qd5 Kf8 56.Qe5 Qxh4 57.g5 Qh3+ 58.Kf2 Qf5 59.Qxf5+ gxf5 60.Ke3 Kf7 
61.Kd3 Kg6 62.Kxc3 Kxg5 63.Kd4 Kf6 64.Kc5 Ke5 65.Bd5 f4 66.Bf3 Be6 67.Bc6 
Kf6 68.Bxa4 f3 69.Bb5 f2 70.Kc6 Ke5 71.Bf1 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Trois, Francisco"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2595"]
[ECO "B06"]
[EventDate "1979.09.05"]
[PlyCount "76"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.c3 Nf6 5.Bd3 O-O 6.O-O Nc6 7.Nbd2 Nd7 8.Nc4 e5
9.dxe5 Ncxe5 10.Nfxe5 dxe5 11.Be3 b6 12.Qc2 Qe7 13.b4 Bb7 14.f3 Kh8 15.
Rfe1 Qe6 16.Rad1 f5 17.exf5 gxf5 18.Bf2 Rae8 19.Ne3 e4 20.Bc4 Qe7 21.f4 c6
22.Re2 b5 23.Bb3 Nb6 24.Red2 Qc7 25.g3 c5 26.bxc5 Qxc5 27.c4 b4 28.Re2 Qe7
29.c5 Rc8 30.Nc4 Rxc5 31.Bxc5 Qxc5+ 32.Ne3 Bc3 33.Kf2 a5 34.Red2 a4 35.Be6
Bc8 36.Rd5 Nxd5 37.Rxd5 Be1+ 38.Kg2 Qxc2+ 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.19"]
[Round "11"]
[White "Tseshkovsky, Vitaly"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2430"]
[ECO "B23"]
[EventDate "1979.09.05"]
[PlyCount "65"]

1.e4 c5 2.Nc3 d6 3.Nge2 Nf6 4.g3 e6 5.Bg2 Be7 6.O-O O-O 7.h3 Nc6 8.f4 Bd7 
9.Kh2 e5 10.d3 Nd4 11.g4 Bc6 12.Nxd4 cxd4 13.Ne2 Ne8 14.c3 dxc3 15.Nxc3 
Nc7 16.d4 Nb5 17.Ne2 Nxd4 18.Nxd4 exd4 19.Qxd4 Bf6 20.Qd3 Qb6 21.Rd1 Bxb2 
22.Bxb2 Qxb2 23.Qxd6 Bxe4 24.Qd2 Qxd2 25.Rxd2 Bxg2 26.Kxg2 Rac8 27.Rd7 
Rc2+ 28.Kg3 Rb2 29.Re1 a5 30.Re5 b6 31.Rb7 h6 32.Rxa5 bxa5 33.Rxb2 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Adorjan, Andras"]
[Black "Bouaziz, Slim"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2420"]
[ECO "A30"]
[EventDate "1979.09.05"]
[PlyCount "108"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6
9.Rd1 O-O 10.Bg5 Nbd7 11.Nb5 d5 12.cxd5 exd5 13.Qf4 h6 14.Bxf6 Nxf6 15.
Nfd4 a6 16.Nc3 Bd6 17.Qf5 Re8 18.Nxd5 Bxd5 19.Bxd5 Nxd5 20.Qxd5 Be5 21.e4 
Qf6 22.f4 Bxf4 23.gxf4 Rad8 24.Qf5 Rxd4 25.Qxf6 Rxd1+ 26.Rxd1 gxf6 27.Rd6 
Re6 28.Rxe6 fxe6 29.Kf2 Kf7 30.f5 Ke7 31.Kg3 exf5 32.exf5 Kd6 33.Kg4 Ke5 
34.h4 b5 35.b4 Ke4 36.a3 Ke5 37.Kh5 Kxf5 38.Kxh6 Ke4 39.h5 f5 40.Kg7 f4 
41.h6 f3 42.h7 f2 43.h8=Q f1=Q 44.Qa8+ Kd4 45.Qxa6 Kc3 46.Qe6 Kb2 47.Qa6 
Kb3 48.Kg6 Qa1 49.Qe6+ Ka4 50.Qa6+ Kb3 51.Qxb5 Qxa3 52.Qd3+ Kxb4 53.Qd6+ 
Kb3 54.Qxa3+ Kxa3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Ljubojevic, Ljubomir"]
[Black "Tseshkovsky, Vitaly"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2560"]
[ECO "B33"]
[EventDate "1979.09.05"]
[PlyCount "53"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Nd5 Be7 11.Nxe7 Nxe7 12.Bxf6 gxf6 13.c4 Bb7 14.Bd3 bxc4 15.
Nxc4 d5 16.exd5 Qxd5 17.Nd6+ Kf8 18.Be4 Qa5+ 19.Qd2 Qxd2+ 20.Kxd2 Rd8 21.
Bxb7 Rxd6+ 22.Kc2 Rb6 23.Be4 Kg7 24.Rad1 f5 25.Bd3 a5 26.Rd2 Kf6 27.Rc1 
1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Mednis, Edmar John"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2560"]
[ECO "B42"]
[EventDate "1979.09.05"]
[PlyCount "134"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 Be7 8.Nc3 O-O
9.Be3 Re8 10.Qe2 Bf8 11.Rad1 b6 12.f4 Qc7 13.Kh1 Nbd7 14.Bf2 Bb7 15.Bg3 g6
16.h3 Bg7 17.Bh2 Nh5 18.Qf2 Nc5 19.Bc2 Rf8 20.f5 Be5 21.Bxe5 dxe5 22.Nde2 
Nf6 23.Ng3 Kg7 24.fxe6 fxe6 25.Qe3 h6 26.b4 Ncd7 27.Bb3 Rad8 28.Rf2 Nb8 
29.c5 Rxd1+ 30.Nxd1 bxc5 31.Rc2 Nc6 32.Qxc5 Qd7 33.Nf2 Nd4 34.Rd2 Qb5 35.
Bc4 Qxc5 36.bxc5 h5 37.Nd3 Nc6 38.Bxe6 h4 39.Ne2 Nxe4 40.Rb2 Ba8 41.Bd5 
Ng3+ 42.Nxg3 hxg3 43.Rb1 e4 44.Bxe4 Nb4 45.Bxa8 Nxd3 46.Bf3 Nxc5 47.Kg1 
Rd8 48.Rc1 Ne6 49.Bg4 Nf4 50.Rc3 Rd2 51.Rxg3 Rxa2 52.Kf1 a5 53.Bf3 Kf6 54.
Be4 a4 55.Rg4 g5 56.h4 a3 57.hxg5+ Ke5 58.g6 Rb2 59.g7 a2 60.Rg5+ Kf6 61.
Ra5 Kxg7 62.g3 Nh5 63.Bf3 Nxg3+ 64.Ke1 Nf5 65.Bg4 Ne3 66.Be6 Rb1+ 67.Ke2 
a1=Q 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Gruenfeld, Yehuda"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2625"]
[ECO "B96"]
[EventDate "1979.09.05"]
[PlyCount "106"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.Qe2 Nfd7 11.O-O-O Nc6 12.Nxc6 Qxc6 13.Qd3 h6 14.Bh4 Bb7 15.
Be2 Qc7 16.Rhe1 Nc5 17.Qh3 b4 18.Nb5 axb5 19.Bxb5+ Bc6 20.Qf3 Nb3+ 21.Kb1 
Na5 22.Rd4 Rc8 23.Red1 g5 24.Bxc6+ Qxc6 25.Qd3 Be7 26.Be1 O-O 27.Bxb4 Bxb4
28.Rxb4 Nc4 29.b3 Nxe5 30.Qe2 Qc3 31.Re4 Nc6 32.Rd3 Qa5 33.Rh3 Nb4 34.c4 
Rfd8 35.a4 Qf5 36.Rf3 Qg6 37.Kb2 Qg7+ 38.Kb1 Rc6 39.c5 Nd5 40.Rc4 Nf4 41.
Qb2 Rd1+ 42.Ka2 Qf8 43.Rfc3 Qd8 44.Rc2 Nd3 45.Qc3 Qd5 46.Ka3 Ne5 47.Rb4 
Rd3 48.Rb8+ Kg7 49.Qb4 Rd1 50.Ka2 Ra6 51.Rb6 Rd4 52.Qxd4 Qxd4 53.Rxa6 Qd3 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Larsen, Bent"]
[Black "Romanishin, Oleg"]
[Result "0-1"]
[WhiteElo "2620"]
[BlackElo "2560"]
[ECO "B92"]
[EventDate "1979.09.05"]
[PlyCount "80"]

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 b5 10.a4 b4 11.Nd5 Nxd5 12.Qxd5 Qb6+ 13.Kh1 Bb7 14.a5 Qc7 15.Qd3 
Nd7 16.Bd2 Nc5 17.Nxc5 dxc5 18.Qf3 Rad8 19.Be3 f5 20.Qg3 Bxe4 21.Bxa6 Rd6 
22.Bd3 Ba8 23.Qf2 Rg6 24.Rg1 Bd6 25.Raf1 Qxa5 26.fxe5 Bxe5 27.Bxf5 Rgf6 
28.Be6+ Kh8 29.Qe2 Qb6 30.Rxf6 Bxf6 31.Bb3 Bxb2 32.Rf1 Bf6 33.Qf2 Rc8 34.
Re1 Qd8 35.Qe2 Qe7 36.Qc4 Re8 37.Ba4 Qb7 38.Qg4 Re4 39.Qf3 h6 40.Rd1 Rxe3 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Ribli, Zoltan"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2615"]
[ECO "A14"]
[EventDate "1979.09.05"]
[PlyCount "42"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 c5 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nc6 7.O-O Be7 8.d4 
O-O 9.e4 Ndb4 10.a3 cxd4 11.axb4 dxc3 12.bxc3 Qc7 13.Be3 b6 14.Bf4 Qd8 15.
Qxd8 Rxd8 16.Bc7 Rd3 17.Bxb6 Rxc3 18.b5 Rb8 19.bxc6 Rxb6 20.Rxa7 Bf8 21.
Ne5 f6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Tarjan, James Edward"]
[Black "Kuzmin, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2565"]
[ECO "A17"]
[EventDate "1979.09.05"]
[PlyCount "81"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.a3 Ba5 6.g3 Nc6 7.Bg2 O-O 8.O-O a6 
9.Rd1 b5 10.cxb5 axb5 11.Qxb5 Bb4 12.Qd3 d5 13.Qc2 c4 14.d3 cxd3 15.exd3 
Bd7 16.Na4 Nd4 17.Nxd4 Bxa4 18.b3 Rc8 19.Qa2 Bc3 20.Bb2 Qb6 21.Bxc3 Rxc3 
22.bxa4 Qxd4 23.Qb2 Rc4 24.Qxd4 Rxd4 25.a5 Ra8 26.Rdb1 Ra4 27.Rb5 h6 28.
Kf1 Rc8 29.Rb4 Rxa5 30.a4 Rc3 31.Ke2 Rc2+ 32.Ke1 e5 33.Bf3 Rc7 34.Rb5 Rxb5
35.axb5 Rb7 36.Rb1 Kf8 37.d4 exd4 38.Kd2 Ne4+ 39.Kd3 Nc3 40.Rb4 Rxb5 41.
Rxb5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Gheorghiu, Florin"]
[Black "Trois, Francisco"]
[Result "0-1"]
[WhiteElo "2540"]
[BlackElo "2415"]
[ECO "D32"]
[EventDate "1979.09.05"]
[PlyCount "88"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 c5 4.e3 d5 5.d4 Nc6 6.cxd5 exd5 7.Be2 Bg4 8.O-O 
Rc8 9.dxc5 Bxc5 10.b3 O-O 11.Bb2 a6 12.h3 Be6 13.Bd3 Re8 14.Ne2 Ne4 15.
Ned4 Ng5 16.Nf5 Bf8 17.Nxg5 Qxg5 18.f4 Qd8 19.Nh6+ gxh6 20.f5 Bd7 21.h4 
Ne5 22.Qh5 f6 23.Rad1 Nxd3 24.Rxd3 Bb5 25.Rd4 Bxf1 26.Rg4+ Bg7 27.Qxh6 Qe7
28.Bxf6 Qxe3+ 29.Qxe3 Rxe3 30.Rxg7+ Kf8 31.Kxf1 Rc6 32.Bg5 Kxg7 33.Bxe3 h5
34.Bd4+ Kf7 35.Ke2 Rc2+ 36.Kf3 Rd2 37.Be5 Rxa2 38.g4 hxg4+ 39.Kxg4 Re2 40.
Bf4 d4 41.h5 d3 42.Kf3 Kf6 43.h6 Kxf5 44.h7 Re8 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.20"]
[Round "12"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Rodriguez, Ruben"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2370"]
[ECO "B06"]
[EventDate "1979.09.05"]
[PlyCount "94"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Bf4 Qb6 5.Nge2 d6 6.a4 a5 7.Be3 Nf6 8.d5 Qc7 
9.h3 O-O 10.Nd4 Na6 11.Nb3 Nb4 12.Be2 Nxe4 13.Nxe4 Bf5 14.Nbd2 Nxd5 15.O-O
Nxe3 16.fxe3 d5 17.Nf2 Bxb2 18.Rb1 Bg7 19.Bd3 Bc8 20.e4 f5 21.exf5 gxf5 
22.c4 e5 23.cxd5 cxd5 24.Qb3 Be6 25.Nf3 Kh8 26.Rfc1 Qd6 27.Qxb7 Rfb8 28.
Qc6 Qxc6 29.Rxc6 Bd7 30.Rd6 Bxa4 31.Rxb8+ Rxb8 32.Rxd5 e4 33.Rxa5 Bc6 34.
Rxf5 exd3 35.Nxd3 Be4 36.Rf4 Bxd3 37.Kf2 Re8 38.g4 Re2+ 39.Kg3 Re3 40.Kh4 
Kg8 41.g5 Be2 42.Nd4 Bd1 43.Nf5 Bc3 44.Nh6+ Kg7 45.Nf5+ Kg6 46.Ng3 Rxg3 
47.Rc4 Be1 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Trois, Francisco"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2525"]
[ECO "A15"]
[EventDate "1979.09.05"]
[PlyCount "76"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 e6 4.e3 b6 5.Be2 Bb7 6.O-O Be7 7.b3 O-O 8.Bb2 a6 
9.Rc1 d6 10.d4 Nbd7 11.a3 Re8 12.b4 cxd4 13.exd4 Rc8 14.Nd2 Rc7 15.Re1 Qa8
16.Bf1 Bf8 17.Qe2 Rec8 18.Qe3 Re8 19.Nb3 g6 20.a4 Rec8 21.a5 Rxc4 22.Bxc4 
Rxc4 23.Nd2 Rxb4 24.Ba3 bxa5 25.f3 Rb5 26.Nc4 Nd5 27.Qd2 Nxc3 28.Qxc3 Rg5 
29.Rf1 Rd5 30.Nxa5 Nf6 31.Qc7 Rb5 32.Nxb7 Rxb7 33.Qc6 Qa7 34.Bxd6 Qxd4+ 
35.Kh1 Bxd6 36.Qxb7 Qh4 37.f4 Bxf4 38.g3 Bxg3 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Polugaevsky, Lev"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2590"]
[ECO "D02"]
[EventDate "1979.09.05"]
[PlyCount "61"]

1.d4 d5 2.Nf3 e6 3.c4 c6 4.Qc2 Nd7 5.g3 Ne7 6.Bg2 g6 7.O-O Bg7 8.e4 dxe4 
9.Qxe4 O-O 10.Nc3 Nf5 11.Rd1 Qa5 12.Bf4 Qb4 13.Qe2 Nb6 14.c5 Nd5 15.Nxd5 
exd5 16.a3 Qc4 17.Qd2 Re8 18.Rac1 Qb3 19.g4 Ne7 20.h3 b6 21.Re1 Be6 22.Be5
bxc5 23.Bxg7 Kxg7 24.Rxc5 Rab8 25.Ng5 Qxb2 26.Qf4 Rf8 27.Re3 Qd2 28.Qe5+ 
Kg8 29.Qf6 Rb1+ 30.Kh2 Nf5 31.gxf5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Miles, Anthony John"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2595"]
[ECO "E00"]
[EventDate "1979.09.05"]
[PlyCount "103"]

1.c4 Nf6 2.d4 e6 3.a3 d5 4.e3 dxc4 5.Bxc4 c5 6.Nf3 a6 7.O-O b5 8.Ba2 Bb7 
9.Qe2 Nbd7 10.Rd1 cxd4 11.exd4 Be7 12.Nc3 Nb6 13.Bg5 O-O 14.Rac1 Nbd5 15.
Bb1 Nxc3 16.Rxc3 Nd5 17.Qc2 g6 18.Bxe7 Qxe7 19.Rc5 Rad8 20.Qd2 Nf4 21.Rdc1
Qf6 22.Qe3 Bxf3 23.Qxf3 Qxd4 24.g3 Nd3 25.Bxd3 Qxd3 26.Qb7 Rd6 27.Kg2 Qb3 
28.Qe7 Rd2 29.R1c3 Qxb2 30.Rf3 Qd4 31.h4 Qd6 32.Qa7 Rd5 33.Rxd5 Qxd5 34.g4
e5 35.Kg3 e4 36.Rf4 Rc8 37.Qe3 Qd3 38.Rxe4 Rc3 39.Qxd3 Rxd3+ 40.Kf4 Rxa3 
41.Re8+ Kg7 42.Rb8 Ra4+ 43.Kg3 b4 44.Rb6 a5 45.h5 gxh5 46.gxh5 h6 47.f4 
Ra3+ 48.Kg4 b3 49.Kh4 a4 50.f5 Ra1 51.f6+ Kh7 52.Rb7 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Romanishin, Oleg"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2430"]
[ECO "E63"]
[EventDate "1979.09.05"]
[PlyCount "45"]

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.d4 O-O 5.Nf3 d6 6.O-O Nc6 7.Nc3 a6 8.b3 Rb8 
9.Bb2 b5 10.cxb5 axb5 11.Rc1 Na5 12.Qc2 Bb7 13.Rfd1 Qd7 14.e4 b4 15.e5 
bxc3 16.Bxc3 Bh6 17.exf6 Bxc1 18.Qxc1 Bxf3 19.Bxf3 Qf5 20.fxe7 Rfe8 21.Qe3
Rb6 22.d5 Nb7 23.g4 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Tal, Mikhail"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2540"]
[ECO "B50"]
[EventDate "1979.09.05"]
[PlyCount "127"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.dxc5 Nxe4 5.cxd6 Nxd6 6.Nc3 Nc6 7.Bf4 Bg4 8.h3
Bh5 9.Qd5 Bg6 10.O-O-O Bxc2 11.Nd4 Bxd1 12.Nxc6 Qc8 13.Nxe7 Bxe7 14.Bxd6 
O-O 15.Bxe7 Re8 16.Bc4 Bh5 17.Bh4 Bg6 18.Bb5 Re4 19.Bg3 a6 20.Bd7 Qc4 21.
Qxc4 Rxc4 22.Re1 b5 23.a3 h5 24.Be5 Rd8 25.Rd1 Kh8 26.g4 f6 27.Bg3 Be8 28.
Bxe8 Rxe8 29.gxh5 Kh7 30.Rd5 Ree4 31.Kd2 Red4+ 32.Rxd4 Rxd4+ 33.Ke3 Rc4 
34.Kd3 Rc5 35.Kd4 Rc4+ 36.Kd3 Rc5 37.b4 Rxh5 38.h4 Kg6 39.Kd4 Rf5 40.Ke4 
Rh5 41.Nd5 Kf7 42.Nc7 Rh6 43.Kd5 g5 44.hxg5 fxg5 45.Kc5 Ke7 46.Nd5+ Kd7 
47.Nc7 Rc6+ 48.Kd5 g4 49.Ke4 Kc8 50.Kf5 Kb7 51.Kxg4 Rc3 52.Ne6 Rxa3 53.Bc7
Kc6 54.Ba5 Ra2 55.f4 Kd5 56.Ng5 Rg2+ 57.Kf5 Ra2 58.Kg6 Rxa5 59.bxa5 b4 60.
f5 b3 61.Nf3 b2 62.Nd2 Kd4 63.f6 Kd3 64.Nb1 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Bouaziz, Slim"]
[Black "Tarjan, James Edward"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2525"]
[ECO "B92"]
[EventDate "1979.09.05"]
[PlyCount "97"]

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.Bg5 Nbd7 10.a4 b6 11.Nd5 Bb7 12.Nxe7+ Qxe7 13.f3 h6 14.Bh4 Qe6 15.c4
a5 16.Nc1 Nc5 17.Na2 Nh5 18.Nc3 Nf4 19.Nd5 Bxd5 20.cxd5 Qg6 21.Bg3 Qg5 22.
Bxf4 Qxf4 23.Qc1 Qxc1 24.Raxc1 f5 25.exf5 Rxf5 26.Rc4 Rff8 27.Rfc1 Rfb8 
28.Rg4 e4 29.fxe4 Re8 30.Bf3 g5 31.h4 Re5 32.Rc4 Kf7 33.hxg5 hxg5 34.Bd1 
Kg6 35.Bc2 Rc8 36.Rg3 Kf6 37.Rb3 Rb8 38.Rf3+ Kg7 39.b4 axb4 40.Rxb4 Ree8 
41.Rf5 Re5 42.Rxe5 dxe5 43.Kf2 Kf6 44.Ke3 Ke7 45.Bd1 Kd6 46.a5 Kc7 47.Rxb6
Rxb6 48.axb6+ Kxb6 49.Kf3 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Kuzmin, Gennady"]
[Black "Larsen, Bent"]
[Result "1-0"]
[WhiteElo "2565"]
[BlackElo "2620"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb4+ 5.Bd2 Bxd2+ 6.Nbxd2 Bb7 7.Bg2 d6 8.O-O
O-O 9.Qc2 Nbd7 10.e4 e5 11.Rfe1 Qe7 12.Rad1 Rfd8 13.Nb1 c5 14.dxe5 Nxe5 
15.Nc3 Nxf3+ 16.Bxf3 Nd7 17.Bg2 Ne5 18.Qe2 Nc6 19.Nd5 Qf8 20.Qh5 Rab8 21.
f4 Re8 22.g4 Nd4 23.e5 dxe5 24.fxe5 Re6 25.Re3 Rh6 26.Qg5 Qd8 27.Qf4 Re6 
28.Rf1 Qd7 29.Rf2 Rbe8 30.h3 h6 31.Be4 b5 32.b3 bxc4 33.bxc4 Ba6 34.Bd3 
Kh8 35.Nf6 Rxf6 36.exf6 g5 37.Qd6 Bc8 38.Re7 Qa4 39.Qe5 Qd1+ 40.Kh2 Rg8 
41.Qe4 Bf5 42.Rxf5 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Rodriguez, Ruben"]
[Black "Mednis, Edmar John"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2510"]
[ECO "E62"]
[EventDate "1979.09.05"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O c6 7.Nc3 Qa5 8.h3 e5 9.
e4 Nbd7 10.Re1 Re8 11.d5 c5 12.a3 Re7 13.Be3 Ne8 14.Qc2 Qd8 15.b4 b6 16.
Rab1 Nf8 17.Nd2 f5 18.bxc5 bxc5 19.f4 Nf6 20.fxe5 Rxe5 21.Nf3 Re8 22.e5 
dxe5 23.Bxc5 e4 24.Nd2 Nh5 25.Bf2 Ba6 26.Nd1 Be5 27.Qa4 Qc8 28.Rb3 Nd7 29.
Kh1 Nb6 30.Rxb6 axb6 31.g4 Nf4 32.Bf1 Nd3 33.Bxd3 exd3 34.Bxb6 fxg4 35.c5 
gxh3 36.c6 Qf5 37.Qe4 Bd6 38.Qxf5 Rxe1+ 39.Qf1 Rae8 40.Be3 Rxf1+ 41.Nxf1 
0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.23"]
[Round "13"]
[White "Tseshkovsky, Vitaly"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2435"]
[ECO "C99"]
[EventDate "1979.09.05"]
[PlyCount "85"]

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 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bb7 14.d5 Bc8 15.b4 Nc4 
16.Nxc4 Qxc4 17.Rb1 Bd7 18.Bd3 Qc7 19.Be3 Ne8 20.Nd2 Qd8 21.Nb3 Bg5 22.Qd2
Bxe3 23.Qxe3 g6 24.f4 f5 25.fxe5 f4 26.Qf2 dxe5 27.Nd2 Nd6 28.Rec1 Rc8 29.
Rc5 g5 30.Be2 Qe8 31.Rbc1 h5 32.Rxc8 Nxc8 33.Rc7 Qd8 34.Qc5 g4 35.hxg4 
hxg4 36.d6 Qg5 37.Rxd7 f3 38.Nxf3 gxf3 39.Bxf3 Nb6 40.Rc7 Nc4 41.Qd5+ Kh8 
42.Qe6 Qh4 43.d7 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Adorjan, Andras"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2525"]
[ECO "A14"]
[EventDate "1979.09.05"]
[PlyCount "49"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nc6 7.O-O Be7 8.d4 
O-O 9.e4 Ndb4 10.a3 cxd4 11.axb4 dxc3 12.bxc3 b6 13.Bf4 Bb7 14.Qb3 a5 15.
Rfd1 Qc8 16.b5 Nb8 17.Ne5 Ra7 18.Bh3 Ba8 19.Nxf7 Kxf7 20.Bxb8 Qxb8 21.
Qxe6+ Ke8 22.Rd7 Rxd7 23.Qxd7+ Kf7 24.Qe6+ Ke8 25.Qd7+ 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Ljubojevic, Ljubomir"]
[Black "Romanishin, Oleg"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2560"]
[ECO "C69"]
[EventDate "1979.09.05"]
[PlyCount "219"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Nxd4 c5 8.Ne2 
Qxd1 9.Rxd1 Bd7 10.Nbc3 O-O-O 11.Bf4 Ne7 12.Bg3 Nc6 13.Nd5 Ne5 14.f4 Nf7 
15.a4 Bc6 16.Nec3 Nd6 17.f5 Nxe4 18.Nxc7 Rxd1+ 19.Rxd1 Nxc3 20.bxc3 Be7 
21.Nd5 Bd8 22.a5 Re8 23.Nb6+ Bxb6 24.axb6 a5 25.Bc7 a4 26.Kf2 Be4 27.Re1 
Kd7 28.Rd1+ Ke7 29.g4 Kf7 30.Ra1 Ra8 31.Ra3 Bxc2 32.Bd6 h5 33.h3 hxg4 34.
hxg4 Ra5 35.Ke3 Rb5 36.Ra1 c4 37.Bb4 Rxb6 38.Kd2 Bb3 39.Re1 Ra6 40.Ba3 Ra8
41.Re7+ Kg8 42.Re6 Ra5 43.Rd6 Re5 44.Rd8+ Kh7 45.Rd7 Kh6 46.Bf8 Re8 47.Rf7
Ra8 48.Bxg7+ Kg5 49.Bxf6+ Kxg4 50.Kc1 a3 51.Kb1 Re8 52.Re7 Rf8 53.Bd4 Rxf5
54.Re1 Rh5 55.Be5 Kf3 56.Bd6 Kf2 57.Rc1 a2+ 58.Kb2 Rd5 59.Bf4 Kf3 60.Rf1+ 
Ke4 61.Bh6 Rh5 62.Re1+ Kd5 63.Bg7 Rh2+ 64.Ka1 Kc6 65.Be5 Rd2 66.Bf4 Rd3 
67.Kb2 Kb5 68.Rh1 Rf3 69.Be5 Ka4 70.Bb8 Rf2+ 71.Ka1 Rd2 72.Bf4 Re2 73.Bb8 
Re3 74.Kb2 Bc2 75.Bf4 Rf3 76.Be5 Rf5 77.Bd4 Bb1 78.Rh6 Rb5+ 79.Ka1 Kb3 80.
Re6 Rh5 81.Re5 Rh1 82.Rb5+ Ka4 83.Rb4+ Ka5 84.Bb6+ Ka6 85.Bd4 b5 86.Rb2 
Ka5 87.Rb4 Rd1 88.Be5 Kb6 89.Kb2 Kc5 90.Bf6 Kc6 91.Ka1 Re1 92.Bd4 Rf1 93.
Be5 Rf5 94.Bd4 Kd6 95.Rb2 Kc6 96.Rb4 Rf7 97.Be5 Rb7 98.Bd4 Kd5 99.Bf6 Ke4 
100.Bd4 Kd3 101.Be5 Kd2 102.Bd4 Rb8 103.Be5 Rb6 104.Bd4 Rb7 105.Kb2 Kd3 
106.Ka1 Bc2 107.Kxa2 Bb3+ 108.Kb2 Ba4 109.Ka3 Rd7 110.Rb1 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Gheorghiu, Florin"]
[Black "Miles, Anthony John"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2560"]
[ECO "A13"]
[EventDate "1979.09.05"]
[PlyCount "118"]

1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 7.O-O b6 8.b3 
Bb7 9.Bb2 Be7 10.d3 O-O 11.Nbd2 Rc8 12.Rac1 Nd5 13.a3 Bf6 14.Bxf6 Qxf6 15.
Rc2 Rfd8 16.Rfc1 Qe7 17.Qh4 Qxh4 18.Nxh4 Kf8 19.Nhf3 Ke7 20.d4 N5f6 21.e3 
Ne8 22.dxc5 Rxc5 23.Nd4 Bxg2 24.Kxg2 Rdc8 25.Rxc5 bxc5 26.Ne4 f5 27.Nd2 
Nd6 28.Ne2 Nb6 29.Nc3 c4 30.b4 Nd5 31.Kf3 g5 32.h3 h5 33.e4 g4+ 34.hxg4 
hxg4+ 35.Ke2 Nxc3+ 36.Rxc3 fxe4 37.Ke3 Rf8 38.a4 e5 39.Ke2 Ke6 40.Nf1 Rb8 
41.b5 a6 42.bxa6 Rb2+ 43.Ke1 Ra2 44.Ne3 Rxa4 45.Kd2 Rxa6 46.Nxg4 Kd5 47.
Ne3+ Kc5 48.g4 Ra4 49.g5 Ra8 50.Rc1 Rg8 51.Rg1 Rg6 52.Rg4 Kb4 53.Kc2 Kc5 
54.Kd2 Kb4 55.Kc2 Nb5 56.Nd5+ Kc5 57.Nf6 Nd6 58.Kc3 Nb5+ 59.Kc2 Nd6 
1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2625"]
[ECO "B43"]
[EventDate "1979.09.05"]
[PlyCount "46"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 d6 8.O-O Be7
9.Qd2 O-O 10.b3 Bd7 11.Nce2 Nc6 12.c4 b5 13.Bb2 bxc4 14.Rfc1 Ne5 15.f4 
Rad8 16.h3 Qa7 17.bxc4 Nc6 18.Kh2 Rc8 19.Nb3 Rfd8 20.Ned4 Be8 21.Rd1 Nxd4 
22.Bxd4 Qc7 23.Qe3 Nd7 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Trois, Francisco"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2615"]
[ECO "A54"]
[EventDate "1979.09.05"]
[PlyCount "88"]

1.Nf3 d6 2.d4 Nf6 3.c4 Bg4 4.Nc3 g6 5.e3 Bg7 6.Be2 O-O 7.O-O c5 8.h3 cxd4 
9.exd4 Bxf3 10.Bxf3 Nc6 11.Be3 Rc8 12.Qd2 a6 13.Rfd1 Qa5 14.Rac1 Qf5 15.b3
Qa5 16.Nd5 Qxd2 17.Nxf6+ Bxf6 18.Rxd2 Rfd8 19.Rcd1 Kf8 20.Bg4 Ra8 21.d5 
Ne5 22.Bb6 Re8 23.f4 Nxg4 24.hxg4 Bc3 25.Rd3 Bb4 26.Rh3 Kg8 27.Kf2 e6 28.
Rdh1 exd5 29.Rxh7 Bc3 30.R7h3 Bg7 31.Bc7 dxc4 32.Bxd6 Bd4+ 33.Kf1 Rad8 34.
Be5 Bxe5 35.fxe5 Rd1+ 36.Kf2 Rxh1 37.Rxh1 cxb3 38.axb3 Rxe5 39.Rd1 Re4 40.
Kf3 Rb4 41.Rd3 f6 42.Kg3 Kg7 43.Kh3 Kh6 44.Kg3 Kg5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Gruenfeld, Yehuda"]
[Black "Kuzmin, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2565"]
[ECO "B09"]
[EventDate "1979.09.05"]
[PlyCount "121"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.O-O Bg4 8.e5 Nd7 
9.Be3 Nb4 10.h3 Bxf3 11.Qxf3 c5 12.dxc5 Nxd3 13.cxd3 dxe5 14.f5 gxf5 15.
Qxf5 e6 16.Qe4 Nf6 17.Qxb7 Rb8 18.Qa6 Rxb2 19.Rf2 Rxf2 20.Bxf2 Nh5 21.Ne2 
e4 22.Rd1 Be5 23.Qc4 Qd5 24.Qxe4 Qxe4 25.dxe4 Rc8 26.Rc1 Nf6 27.Rc4 Nd7 
28.Nc1 Nb8 29.Nd3 Bc7 30.Bh4 Kf8 31.Bf6 Nc6 32.Nb4 Nb8 33.Kf1 Ke8 34.Ke2 
a5 35.Nc2 Kd7 36.Nd4 Nc6 37.Nb5 Rb8 38.a4 Rg8 39.g4 Rg6 40.Bc3 Rh6 41.Be1 
Rxh3 42.Rc3 Rh2+ 43.Kd1 Be5 44.Rd3+ Ke7 45.Bd2 Rh1+ 46.Kc2 Ra1 47.Ra3 Rg1 
48.g5 Rg2 49.Kd1 Rg4 50.Rh3 Rxe4 51.Rxh7 Kf8 52.g6 fxg6 53.Rb7 Rxa4 54.Rb6
Nd4 55.Nxd4 Rxd4 56.Rxe6 Rd5 57.Rxg6 Kf7 58.Rg2 a4 59.Kc2 Rxc5+ 60.Kd3 Rc6
61.Bb4 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Larsen, Bent"]
[Black "Bouaziz, Slim"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2420"]
[ECO "E66"]
[EventDate "1979.09.05"]
[PlyCount "83"]

1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nf3 Nf6 5.O-O O-O 6.d4 d6 7.Nc3 Nc6 8.dxc5 
dxc5 9.Bf4 Nh5 10.Bg5 Be6 11.Nd5 Nf6 12.Ne1 Rc8 13.Nc2 h6 14.Bxf6 exf6 15.
Qd2 f5 16.Rab1 Re8 17.Rfd1 Qa5 18.Qxa5 Nxa5 19.Nce3 Kf8 20.Rd2 Red8 21.
Rbd1 Rd7 22.Nf4 Rd4 23.b3 Rcd8 24.Rxd4 Rxd4 25.Nd3 b5 26.cxb5 c4 27.bxc4 
Nxc4 28.Nc2 Rd6 29.Rc1 a6 30.bxa6 Rxa6 31.Ncb4 Ra5 32.Nf4 Ne5 33.Bd5 Bd7 
34.Bb3 Bf6 35.Nfd5 Kg7 36.Nxf6 Kxf6 37.f4 Ng4 38.h3 Rb5 39.Nd5+ Rxd5 40.
Bxd5 Ne3 41.Bb3 Be6 42.Bxe6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Mednis, Edmar John"]
[Black "Tseshkovsky, Vitaly"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2560"]
[ECO "B52"]
[EventDate "1979.09.05"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.c4 Ngf6 6.Nc3 Ne5 7.d3 e6 8.O-O
Be7 9.Ne1 O-O 10.f4 Nc6 11.Nf3 a6 12.Kh1 Rb8 13.a4 Qd7 14.Be3 d5 15.Ne5 
Qd8 16.cxd5 exd5 17.Bf2 d4 18.Nb1 Nxe5 19.fxe5 Nd7 20.Bg3 Rc8 21.Nd2 Bh4 
22.Bf4 b5 23.axb5 axb5 24.Ra7 c4 25.dxc4 Nc5 26.b4 Nd3 27.e6 Qb6 28.exf7+ 
Kh8 29.Ra3 Nf2+ 30.Rxf2 Bxf2 31.Qh5 Be3 32.c5 Qf6 33.Be5 Qf2 34.Rxe3 dxe3 
35.Nf3 Qf1+ 36.Ng1 Qxf7 37.Qg5 Rfe8 38.Qg3 Qg6 39.Ne2 Qxg3 40.Bxg3 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.24"]
[Round "14"]
[White "Ribli, Zoltan"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2595"]
[BlackElo "2370"]
[ECO "A99"]
[EventDate "1979.09.05"]
[PlyCount "109"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.d4 d6 7.Nc3 Qe8 8.b3 c6 9.
Qc2 Na6 10.a3 Qg6 11.b4 Nc7 12.a4 Ne4 13.b5 Bd7 14.Rb1 Rfc8 15.Nxe4 fxe4 
16.Nh4 Bxh4 17.Bxe4 Qg4 18.Bf3 Qxd4 19.Rd1 Qf6 20.Rxd6 Qe7 21.Qd3 Be8 22.
gxh4 Bg6 23.e4 cxb5 24.axb5 Qxh4 25.Bg2 Ne8 26.Rxe6 Rd8 27.Qe2 Nf6 28.f3 
Nh5 29.c5 Nf4 30.Bxf4 Qxf4 31.c6 bxc6 32.Rxc6 Bf7 33.e5 Rd2 34.Qe4 Qg5 35.
f4 Qh4 36.Rd6 Rxd6 37.exd6 Re8 38.Qd4 Rd8 39.Ra1 Qh6 40.Rxa7 Qh5 41.b6 Qg6
42.b7 Qb1+ 43.Bf1 Qg6+ 44.Kf2 Qc2+ 45.Kg1 Qg6+ 46.Kh1 Qb1 47.Kg1 Qg6+ 48.
Bg2 Qb1+ 49.Kf2 Qc2+ 50.Kg3 Qg6+ 51.Kf3 Qh5+ 52.Kf2 Qh4+ 53.Kg1 Qe1+ 54.
Bf1 Qb1 55.Ra8 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Tal, Mikhail"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2525"]
[ECO "A31"]
[EventDate "1979.09.05"]
[PlyCount "36"]

1.Nf3 Nf6 2.c4 c5 3.d4 cxd4 4.Nxd4 b6 5.Nc3 Bb7 6.Bg5 Nc6 7.e4 e6 8.Nxc6 
dxc6 9.Qf3 Bd6 10.Rd1 Qe7 11.Be2 Rd8 12.O-O h6 13.Bf4 e5 14.Be3 O-O 15.a3 
Bc5 16.Bxc5 Qxc5 17.b4 Qe7 18.Qe3 Ba6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Kuzmin, Gennady"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2590"]
[ECO "E39"]
[EventDate "1979.09.05"]
[PlyCount "34"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.b4 Be7 8.Bb2 a5
9.b5 d5 10.e3 Nbd7 11.cxd5 exd5 12.Nf3 Nb6 13.Be2 Be6 14.O-O Rc8 15.Qb1 
Bc5 16.Qd1 Bf5 17.Nh4 Be6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Miles, Anthony John"]
[Black "Trois, Francisco"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2415"]
[ECO "A28"]
[EventDate "1979.09.05"]
[PlyCount "73"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Be7 5.d4 exd4 6.Nxd4 O-O 7.Be2 Ne5 8.Nc2 
a5 9.O-O Re8 10.b3 Bc5 11.Qd2 d6 12.Bb2 Bd7 13.Rad1 Ng6 14.a3 Nh4 15.Kh1 
Bf5 16.Nd4 Bd7 17.f3 Nf5 18.Nxf5 Bxf5 19.e4 Bd7 20.Bd3 Nh5 21.g4 Nf6 22.
Bb1 Bc6 23.Nd5 Nxd5 24.exd5 Bd7 25.g5 Re5 26.f4 Re3 27.b4 axb4 28.axb4 Ba7
29.c5 Qe7 30.Qd4 f5 31.gxf6 Qxf6 32.Qxe3 Qxb2 33.Rg1 Re8 34.Qd3 g6 35.Rd2 
Qf6 36.Ra2 Bf5 37.Qxf5 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Polugaevsky, Lev"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2510"]
[ECO "D47"]
[EventDate "1979.09.05"]
[PlyCount "82"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 
Bb7 9.O-O b4 10.Ne4 Be7 11.Nxf6+ Nxf6 12.e4 O-O 13.e5 Nd7 14.Be4 Qb6 15.
Bg5 Rfe8 16.Bxe7 Rxe7 17.Qc2 h6 18.a3 b3 19.Qc3 c5 20.Bxb7 Qxb7 21.dxc5 
Rc8 22.Qb4 Nxc5 23.Rac1 Qc6 24.Rc3 Rec7 25.Rfc1 Qd5 26.Qb5 Ne4 27.Rxc7 
Qxb5 28.Rxc8+ Kh7 29.R8c4 Ng5 30.Nxg5+ hxg5 31.Re4 Qd3 32.Rce1 Qd2 33.R4e2
Qd4 34.h3 a5 35.g4 Kg6 36.Kg2 Kh7 37.f3 Kg6 38.Rf2 Kh7 39.Re4 Qd5 40.Re3 
Kg6 41.Rfe2 Qd1 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Romanishin, Oleg"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2435"]
[ECO "C40"]
[EventDate "1979.09.05"]
[PlyCount "53"]

1.e4 e5 2.Nf3 f5 3.d4 fxe4 4.Nxe5 Nf6 5.Be2 d6 6.Ng4 Nxg4 7.Bxg4 Nd7 8.Nc3
Nf6 9.Bxc8 Qxc8 10.O-O Be7 11.Bg5 Qf5 12.Bxf6 gxf6 13.Qe2 O-O-O 14.Nxe4 h5
15.Ng3 Qd7 16.Rfe1 Rde8 17.Qf3 h4 18.Nf5 Bd8 19.Rxe8 Qxe8 20.h3 Qe6 21.Qg4
Kb8 22.Ne3 Qf7 23.d5 Rh5 24.Nf5 Rg5 25.Qf3 Qh7 26.Nd4 Re5 27.Nc6+ 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Tarjan, James Edward"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2620"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "160"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb4+ 5.Bd2 Bxd2+ 6.Qxd2 Bb7 7.Bg2 O-O 8.Nc3
d6 9.O-O Ne4 10.Nxe4 Bxe4 11.Nh4 Bxg2 12.Nxg2 Nc6 13.d5 Ne5 14.Qc3 a5 15.
Ne3 Re8 16.Nc2 Nd7 17.Nd4 Nf6 18.Qf3 Qd7 19.e4 exd5 20.exd5 Re4 21.Qd3 
Rae8 22.Qd2 h5 23.f3 R4e5 24.b3 h4 25.gxh4 Nh5 26.Qg2 Nf4 27.Qg4 Qxg4+ 28.
fxg4 Re4 29.Nb5 Ne2+ 30.Kh1 R8e7 31.Rf2 Rxg4 32.Nxc7 Nc3 33.Na8 b5 34.cxb5
Nxb5 35.Nb6 Rxh4 36.Nc4 Ra7 37.a4 Nc3 38.Nxd6 Nxd5 39.Re1 Nf6 40.Nc4 Ne4 
41.Rf3 Rd7 42.Ref1 Rh5 43.Re1 Rd4 44.Kg1 Ng5 45.Rg3 Nh3+ 46.Kg2 Nf4+ 47.
Kf3 Ng6 48.Re4 Nh4+ 49.Kf4 Rdd5 50.Re8+ Kh7 51.Ke4 Rd1 52.Ne5 Nf5 53.Rd3 
Rxd3 54.Kxd3 Rh3+ 55.Kd2 Re3 56.b4 axb4 57.a5 f6 58.a6 Ra3 59.Nc6 Rxa6 60.
Nxb4 Ra3 61.Nc2 Rh3 62.Re2 Nh4 63.Nd4 Nf3+ 64.Nxf3 Rxf3 65.Rg2 Rf4 66.Ke3 
g5 67.Rg3 Kg6 68.Rh3 Rh4 69.Rxh4 gxh4 70.Kf4 f5 71.Ke3 Kf7 72.Kf3 Ke6 73.
Kf4 Kf6 74.Ke3 Ke5 75.Kf3 f4 76.Ke2 Ke4 77.Kf2 f3 78.Ke1 Ke3 79.Kf1 f2 80.
h3 Kf3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Rodriguez, Ruben"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2540"]
[ECO "A56"]
[EventDate "1979.09.05"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.Bd3 e5 7.dxe6 fxe6 8.Bg5 Nc6 
9.f4 O-O 10.Nge2 h6 11.Bxf6 Bxf6 12.O-O Kg7 13.Kh1 Nd4 14.Ng3 e5 15.Nd5 
exf4 16.Rxf4 Be5 17.Rxf8 Qxf8 18.Qd2 Qd8 19.Rf1 Be6 20.Qf2 Rc8 21.Ne2 Nxe2
22.Bxe2 Qg5 23.b3 h5 24.Bd3 h4 25.a3 Kh6 26.b4 b6 27.h3 Bg7 28.Qe1 Rf8 29.
Rxf8 Bxf8 30.bxc5 bxc5 31.e5 dxe5 32.Be4 Bd6 33.Qd1 Qg3 34.Qc1+ Kg7 35.Qb1
Bf7 36.Qd1 Qxa3 37.Nf6 Be7 38.Nd5 Bg5 39.Qg4 Qc1+ 40.Kh2 Bxd5 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Tseshkovsky, Vitaly"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2595"]
[ECO "B44"]
[EventDate "1979.09.05"]
[PlyCount "50"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 
Be7 9.Be2 O-O 10.O-O b6 11.Be3 Bb7 12.Rc1 Ne5 13.Qd4 Ned7 14.Rfd1 Re8 15.
Nc2 Rc8 16.b4 Qc7 17.Na3 Qb8 18.Nab1 Ne5 19.Bf4 Nc6 20.Qxb6 e5 21.Bg5 Nd4 
22.Qa5 Nxe4 23.Bxe7 Rxe7 24.Bd3 Nxc3 25.Nxc3 Rec7 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.26"]
[Round "15"]
[White "Bouaziz, Slim"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2430"]
[ECO "A00"]
[EventDate "1979.09.05"]
[PlyCount "0"]

0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Adorjan, Andras"]
[Black "Larsen, Bent"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2620"]
[ECO "A19"]
[EventDate "1979.09.05"]
[PlyCount "57"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 d6 6.exd6 Nc6 7.d4 cxd4 8.Nxd4 
Qxd6 9.Be3 Nf6 10.Be2 Bd7 11.O-O Qb8 12.c5 Be7 13.b4 Nxb4 14.Rb1 a5 15.a3 
Nc6 16.Bf3 Qc7 17.Ncb5 Qe5 18.Nxc6 bxc6 19.Bd4 Qb8 20.Nd6+ Bxd6 21.Rxb8+ 
Bxb8 22.Bxf6 gxf6 23.Qa4 Ra6 24.Rb1 O-O 25.Qg4+ Kh8 26.Qd4 Ra7 27.Qxf6+ 
Kg8 28.Qg5+ Kh8 29.Rxb8 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Ljubojevic, Ljubomir"]
[Black "Bouaziz, Slim"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2420"]
[ECO "B10"]
[EventDate "1979.09.05"]
[PlyCount "82"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.Ngf3 Bg7 5.Be2 e5 6.O-O Ne7 7.b4 O-O 8.Bb2 Nd7 
9.Re1 Qc7 10.Bf1 a5 11.bxa5 Rxa5 12.exd5 cxd5 13.c4 dxc4 14.Nxc4 Rd5 15.d4
Nf5 16.Ncxe5 Nxe5 17.Nxe5 Nxd4 18.Bxd4 Bxe5 19.Rxe5 Rxe5 20.Rc1 Qd6 21.
Bxe5 Qxe5 22.a4 Be6 23.Qd2 Qd5 24.Qe3 Qb3 25.Qd4 Ra8 26.Bb5 Qd5 27.Qa1 Rd8
28.Qf6 Rc8 29.Rxc8+ Bxc8 30.h4 Be6 31.f3 Qd1+ 32.Kf2 Qd2+ 33.Kg3 b6 34.Qe5
Qd8 35.h5 gxh5 36.Qxh5 Qd4 37.Qg5+ Qg7 38.Qxg7+ Kxg7 39.Kf4 Kf6 40.Ke4 Ke7
41.Kd4 f6 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Tal, Mikhail"]
[Black "Miles, Anthony John"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2560"]
[ECO "B52"]
[EventDate "1979.09.05"]
[PlyCount "107"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Qe2 e6 7.b3 Be7 8.
Bb2 O-O 9.d4 cxd4 10.Nxd4 Qc7 11.c4 a6 12.Nc3 Rfe8 13.f4 Qc5 14.Na4 Qh5 
15.Qxh5 Nxh5 16.f5 Bf6 17.fxe6 fxe6 18.Rad1 Nc5 19.g4 Nxa4 20.bxa4 Bxd4+ 
21.Bxd4 e5 22.gxh5 exd4 23.Rxd4 Rac8 24.Rb1 Rc5 25.Rxb7 Rxh5 26.Rxd6 Rf8 
27.Rb3 Rh4 28.Rd4 Rg4+ 29.Rg3 Rgf4 30.h3 g6 31.Rc3 Rf1+ 32.Kg2 R1f2+ 33.
Kg3 h5 34.c5 R8f4 35.h4 Rf1 36.Kg2 R4f2+ 37.Kg3 Rf4 38.Kg2 R4f2+ 39.Kh3 
Rh1+ 40.Kg3 Rhh2 41.Rf3 Rhg2+ 42.Kf4 Rc2 43.Rd5 Rc4 44.Ke5 Rgc2 45.Kf6 Kh7
46.e5 Rxh4 47.e6 Re4 48.Re5 Rxe5 49.Kxe5 g5 50.e7 Re2+ 51.Kf6 g4 52.Rf5 h4
53.Re5 Rf2+ 54.Kg5 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Ribli, Zoltan"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2625"]
[ECO "E17"]
[EventDate "1979.09.05"]
[PlyCount "18"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 d5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Mednis, Edmar John"]
[Black "Romanishin, Oleg"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2560"]
[ECO "C03"]
[EventDate "1979.09.05"]
[PlyCount "129"]

1.e4 e6 2.d4 d5 3.Nd2 Be7 4.Bd3 Nc6 5.Ngf3 Nb4 6.Be2 dxe4 7.Nxe4 Nf6 8.
Nxf6+ Bxf6 9.O-O O-O 10.c3 Nd5 11.Bd3 b6 12.Qe2 Rb8 13.Qe4 g6 14.Bh6 Bg7 
15.Bxg7 Kxg7 16.Rad1 Bb7 17.Qe5+ f6 18.Qg3 Qd6 19.Qxd6 cxd6 20.Rfe1 Rfe8 
21.Nd2 f5 22.Nc4 Rbd8 23.Bf1 Kf6 24.Ne3 Nc7 25.c4 d5 26.c5 bxc5 27.dxc5 e5
28.b4 Bc6 29.b5 Bxb5 30.Bxb5 Nxb5 31.Nxd5+ Ke6 32.Nf4+ Kf7 33.Ne2 Nc7 34.
Rb1 Ne6 35.c6 Re7 36.Rec1 Rc7 37.Rc4 Rd6 38.f4 exf4 39.Nxf4 Nxf4 40.Rxf4 
Rdxc6 41.Ra4 Rc2 42.h3 Rd7 43.Rb3 Kf6 44.Rg3 Re2 45.Kh2 Kg7 46.Kg1 Rb2 47.
Kh2 Rc2 48.Kg1 Kh6 49.Rh4+ Kg7 50.Ra4 a5 51.Rxa5 f4 52.Rf3 Rdd2 53.Rg5 Kf6
54.h4 Rc4 55.Rg4 Kf5 56.Rg5+ Kf6 57.Rg4 Rdd4 58.g3 Rd1+ 59.Rf1 Rxf1+ 60.
Kxf1 Rc1+ 61.Kg2 Rc2+ 62.Kh3 fxg3 63.a4 h5 64.Rxg3 Ra2 65.Rf3+ 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Gruenfeld, Yehuda"]
[Black "Tarjan, James Edward"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2525"]
[ECO "B99"]
[EventDate "1979.09.05"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Qg3 h6 11.Bh4 g5 12.fxg5 Nh5 13.Qe3 Qc5 14.Kb1 hxg5 15.Bf2
Ne5 16.Qd2 Qc7 17.Nf3 Rg8 18.h4 gxh4 19.Bxh4 Nf6 20.Nxe5 dxe5 21.Be2 Rg6 
22.Bxf6 Bxf6 23.Rh7 Rg8 24.Bh5 Rf8 25.Rf1 Qe7 26.Qf2 Bg5 27.Bxf7+ Kd8 28.
Qb6+ Qc7 29.Qxc7+ Kxc7 30.Bh5+ Bd7 31.Rd1 Rad8 32.Bg4 Kc6 33.a3 Bc8 34.
Rxd8 Rxd8 35.Rg7 Bf6 36.Rg6 Rf8 37.Ne2 Kc5 38.Ng3 Kd4 39.Nh5 Bd8 40.Ng7 
1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Gheorghiu, Florin"]
[Black "Tseshkovsky, Vitaly"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2560"]
[ECO "A16"]
[EventDate "1979.09.05"]
[PlyCount "88"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 e5 5.Bg2 Nb6 6.Nf3 Nc6 7.d3 Be7 8.O-O 
O-O 9.a3 Be6 10.Be3 f5 11.b4 Bf6 12.Rc1 Nd4 13.Bxd4 exd4 14.Na4 Nxa4 15.
Qxa4 a6 16.Qa5 c6 17.Qxd8 Raxd8 18.Nd2 Rfe8 19.Rc2 g5 20.Rb1 Bf7 21.Kf1 g4
22.a4 Re5 23.Nc4 Bxc4 24.Rxc4 Rde8 25.Rb2 Kg7 26.f4 gxf3 27.Bxf3 Kg6 28.
Kg2 R8e7 29.Rc1 h5 30.Rcb1 h4 31.b5 axb5 32.axb5 cxb5 33.gxh4 Bxh4 34.Rxb5
Rxb5 35.Rxb5 Bf6 36.Rb6 Rh7 37.Bxb7 Kg5 38.Rb5 Re7 39.Bf3 Kf4 40.Kf1 Rh7 
41.Rxf5+ Kxf5 42.Be4+ Kf4 43.Bxh7 Bh4 44.Be4 Kg5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Trois, Francisco"]
[Black "Rodriguez, Ruben"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2370"]
[ECO "D94"]
[EventDate "1979.09.05"]
[PlyCount "125"]

1.Nf3 g6 2.d4 Bg7 3.c4 Nf6 4.Nc3 d5 5.e3 O-O 6.cxd5 Nxd5 7.Bc4 Nxc3 8.bxc3
Nc6 9.O-O b6 10.Qe2 Na5 11.Bd3 c5 12.Rd1 Qc7 13.Ba3 Bb7 14.Rac1 Rfd8 15.e4
e6 16.e5 Bh6 17.Rc2 Rac8 18.Bc1 Bxc1 19.Rdxc1 Bxf3 20.Qxf3 Qe7 21.Qf4 Rd7 
22.h4 Rcd8 23.Be4 cxd4 24.cxd4 Rxd4 25.Rc7 R4d7 26.Rxd7 Qxd7 27.Qf6 Rc8 
28.Rxc8+ Qxc8 29.h5 Nc4 30.Kh2 Qb8 31.f4 Ne3 32.Kh3 Qf8 33.g4 Nd1 34.Kh4 
Nc3 35.Bc6 Ne2 36.Be4 Nc3 37.Bc6 Nxa2 38.f5 Nb4 39.Be4 Nd5 40.Bxd5 exd5 
41.Qc6 Qe7+ 42.f6 g5+ 43.Kh3 Qa3+ 44.Kg2 h6 45.Qe8+ Qf8 46.Qd7 d4 47.e6 
fxe6 48.Qxe6+ Qf7 49.Qc8+ Kh7 50.Qf5+ Kh8 51.Qc8+ Kh7 52.Qf5+ Kg8 53.Qc8+ 
Qf8 54.Qe6+ Qf7 55.Qc8+ Kh7 56.Qf5+ Kh8 57.Qc8+ Qg8 58.Qf5 Qa2+ 59.Kh3 
Qb3+ 60.Kg2 Qb2+ 61.Kh3 Qc3+ 62.Kg2 Qd2+ 63.Kh3 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.27"]
[Round "16"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Kuzmin, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2565"]
[ECO "B07"]
[EventDate "1979.09.05"]
[PlyCount "137"]

1.e4 d6 2.d4 Nf6 3.Nd2 g6 4.Ngf3 Bg7 5.Bd3 O-O 6.O-O Nc6 7.c3 e5 8.dxe5 
Nxe5 9.Nxe5 dxe5 10.Nc4 Qe7 11.b3 Rd8 12.Ba3 Qe8 13.Qe2 b6 14.Ne3 Bb7 15.
f3 Bf8 16.Bxf8 Qxf8 17.b4 a5 18.a3 Ra7 19.Bc4 Qe7 20.Rad1 Raa8 21.Rxd8+ 
Rxd8 22.Rd1 Ra8 23.Qf2 axb4 24.axb4 Kg7 25.Qb2 Bc6 26.Ra1 Rd8 27.Rd1 Rxd1+
28.Nxd1 Ne8 29.Qd2 Qd6 30.Qxd6 Nxd6 31.Bd3 f5 32.Nf2 Kf6 33.h4 h5 34.Kf1 
Bd7 35.Ke2 Be6 36.Nd1 f4 37.Nb2 g5 38.hxg5+ Kxg5 39.c4 Kf6 40.Kf2 Bf7 41.
Kg1 Be6 42.Kh2 h4 43.Be2 Ke7 44.Kg1 Nb7 45.Bd1 Kd6 46.Kf2 Bf7 47.Bb3 Ke7 
48.Bc2 Nd8 49.Ba4 Kd6 50.Kg1 Ne6 51.c5+ bxc5 52.Nc4+ Ke7 53.Nxe5 cxb4 54.
Nc6+ Kd6 55.Nxb4 c5 56.Nc2 c4 57.Kh2 Ng5 58.Nd4 Bg6 59.Bc2 Bh7 60.Bb1 Ke5 
61.Nc6+ Kf6 62.Ba2 c3 63.Nb4 Ke5 64.Nd3+ Kd4 65.Nxf4 c2 66.Bb3 c1=N 67.
Ne6+ Nxe6 68.Bxe6 Ne2 69.Bf5 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Miles, Anthony John"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2560"]
[BlackElo "2525"]
[ECO "A30"]
[EventDate "1979.09.05"]
[PlyCount "64"]

1.Nf3 Nf6 2.c4 c5 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
9.b3 O-O 10.Ba3 Na6 11.Rfd1 Nc5 12.Rac1 a6 13.b4 Ncd7 14.Bb2 Qb8 15.Nd2 
Bxg2 16.Kxg2 Rc8 17.f3 b5 18.cxb5 axb5 19.Qd3 Ne5 20.Qxb5 Qa7 21.e4 Qe3 
22.Qf1 g5 23.Rc2 Rxa2 24.Nd5 Rxc2 25.Nxe3 Rcxb2 26.Qe2 g4 27.f4 Nxe4 28.
Nef1 Nxd2 29.Rxd2 Rxd2 30.Nxd2 Nf3 31.Qc4 Rxd2+ 32.Kf1 Bf6 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Tarjan, James Edward"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2590"]
[ECO "E55"]
[EventDate "1979.09.05"]
[PlyCount "149"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O dxc4 8.Bxc4 
Nbd7 9.Qe2 a6 10.a4 Nb6 11.Bd3 Nbd5 12.Na2 Qc7 13.Qc2 Ba5 14.e4 Nb4 15.
Nxb4 cxb4 16.Qe2 h6 17.Ne5 Rd8 18.Nc4 Rxd4 19.Be3 Rd7 20.Rfd1 b6 21.Rac1 
Qd8 22.Ne5 Rc7 23.Nc6 Qe8 24.Nxa5 Rxc1 25.Bxc1 bxa5 26.e5 Nd5 27.Qe4 g6 
28.Bxh6 Bb7 29.Qh4 Rc8 30.Qg4 Kh7 31.Bg5 Qh8 32.Re1 Kg7 33.h4 Rc7 34.Qd4 
Qc8 35.h5 gxh5 36.Qh4 Kf8 37.Qxh5 Ke8 38.Qh7 Rc5 39.Qg8+ Kd7 40.Qxf7+ Kc6 
41.Be4 Qd7 42.Qf8 b3 43.Re3 Rc4 44.Bg6 Kb6 45.Rxb3+ Ka7 46.Rh3 Qxa4 47.Qa3
Qd1+ 48.Kh2 Qe2 49.Be3+ Nxe3 50.Qxe3+ Qxe3 51.Rxe3 Rb4 52.Re2 Rg4 53.Bf7 
Rxg2+ 54.Kh3 Bf3 55.Re3 Bb7 56.Re2 Bf3 57.Re3 Bc6 58.f4 Rf2 59.Kg3 Rg2+ 
60.Kh3 Rf2 61.Kg3 Rg2+ 62.Kh4 Rf2 63.Kg5 Rg2+ 64.Kf6 Rf2 65.Kxe6 Rxf4 66.
Kd6 Bb5 67.Bd5 Kb6 68.Rf3 Rxf3 69.Bxf3 Be8 70.e6 a4 71.Ke7 Bb5 72.Kd8 Ka5 
73.e7 a3 74.bxa3 Ka4 75.Bg4 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Polugaevsky, Lev"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2540"]
[ECO "A30"]
[EventDate "1979.09.05"]
[PlyCount "95"]

1.Nf3 c5 2.c4 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d6 
9.d4 cxd4 10.Nxd4 Bxg2 11.Kxg2 Qc8 12.e4 Qb7 13.f3 a6 14.Qe2 Rc8 15.Rfd1 
Nc6 16.Nxc6 Rxc6 17.Rd2 Rac8 18.Nd1 b5 19.Ne3 Ne8 20.Rad1 Bg5 21.f4 Bd8 
22.Qf3 Ba5 23.Rf2 Bb6 24.Bd4 h6 25.Bxb6 Rxb6 26.Rfd2 Rbc6 27.e5 Qb8 28.
exd6 Rxd6 29.f5 Rxd2+ 30.Rxd2 Nf6 31.fxe6 fxe6 32.Ng4 Nxg4 33.Qxg4 Qb7+ 
34.Kg1 Qc6 35.Re2 bxc4 36.Qxe6+ Qxe6 37.Rxe6 c3 38.Re1 Rd8 39.Rc1 Rd2 40.
Rxc3 Rxa2 41.b4 Kf7 42.Rb3 Ke6 43.b5 axb5 44.Rxb5 Kf6 45.Rc5 Re2 46.h4 g5 
47.hxg5+ hxg5 48.Kf1 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Romanishin, Oleg"]
[Black "Ribli, Zoltan"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2595"]
[ECO "E12"]
[EventDate "1979.09.05"]
[PlyCount "51"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 g5 7.Bg3 Nh5 8.e3 Nxg3 
9.fxg3 Bg7 10.Bd3 d6 11.O-O Nd7 12.Bc2 Qe7 13.Qd3 a6 14.Nd2 c5 15.Nde4 f5 
16.dxc5 Nxc5 17.Nxd6+ Kf8 18.Nxf5 exf5 19.Qxf5+ Kg8 20.Nd5 Qe8 21.Rad1 Rc8
22.b4 Ne6 23.Nxb6 Rc7 24.c5 h5 25.Rd6 Rh6 26.Rxe6 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Rodriguez, Ruben"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2615"]
[ECO "A07"]
[EventDate "1979.09.05"]
[PlyCount "138"]

1.e4 c5 2.Nf3 e6 3.d3 d5 4.Qe2 Nc6 5.g3 Nge7 6.Bg2 g6 7.h4 h6 8.e5 Bg7 9.
O-O b6 10.Na3 Ba6 11.c4 Qd7 12.b3 Rd8 13.Bb2 O-O 14.Rad1 Bb7 15.Nb5 d4 16.
Bc1 Nc8 17.Bf4 Rde8 18.Bh3 Qd8 19.Rde1 Nb4 20.Nh2 a6 21.Na3 Ne7 22.Ng4 Nf5
23.Nb1 Nc6 24.Nd2 Nb8 25.Ne4 Nd7 26.Kh2 Kh8 27.Qd2 h5 28.Ngf6 Bxe4 29.dxe4
Ne7 30.Bh6 Nxf6 31.exf6 Bxf6 32.Bxf8 Rxf8 33.e5 Bg7 34.Bg2 Qc7 35.Qf4 Kg8 
36.Qe4 b5 37.Re2 bxc4 38.bxc4 Rb8 39.Rc1 Rb6 40.Qa8+ Kh7 41.Qe4 Rb4 42.Kg1
Nf5 43.Bh3 Nh6 44.f4 Qa5 45.Qd3 Ra4 46.Qd2 Rb4 47.Kg2 Qb6 48.Qd3 Bf8 49.
Kg1 Qa5 50.a3 Rb8 51.Ra2 Be7 52.Kh2 Bd8 53.Rg1 Qa4 54.Qc2 Qxc2+ 55.Rxc2 
Ba5 56.Rcc1 Rb2+ 57.Kh1 d3 58.Rb1 Rc2 59.Rbc1 Re2 60.Rb1 d2 61.Rgd1 Bc3 
62.Rf1 a5 63.Rb3 Re1 64.Rb1 Re2 65.Rb3 Bd4 66.Rd3 a4 67.Rdf3 Ng4 68.Bxg4 
hxg4 69.Rd3 Kh6 0-1

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Bouaziz, Slim"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2435"]
[ECO "B17"]
[EventDate "1979.09.05"]
[PlyCount "23"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5 Be6 8.
Be2 g6 9.O-O Bg7 10.Bf4 O-O 11.c3 Nd7 12.Nxd7 1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Kuzmin, Gennady"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2510"]
[ECO "E15"]
[EventDate "1979.09.05"]
[PlyCount "39"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 c6 6.Nc3 b5 7.cxb5 cxb5 8.Nxb5 
Qb6 9.Nc3 Bb4 10.Bd2 O-O 11.Bg2 Nc6 12.Rb1 Rab8 13.a3 Bxc3 14.Bxc3 Rfc8 
15.Qc2 Ne7 16.O-O Ned5 17.Rfc1 Qb3 18.Qxb3 Rxb3 19.Nd2 Nxc3 20.Rxc3 
1/2-1/2

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Larsen, Bent"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2430"]
[ECO "B40"]
[EventDate "1979.09.05"]
[PlyCount "85"]

1.e4 c5 2.Nf3 e6 3.Be2 Nc6 4.O-O Nge7 5.d4 cxd4 6.Nxd4 Nxd4 7.Qxd4 Nc6 8.
Qc3 b6 9.Rd1 Qc7 10.Be3 Bd6 11.Rxd6 Qxd6 12.Qxg7 Qf8 13.Qxf8+ Kxf8 14.Nc3 
Ke7 15.Rd1 d6 16.f4 Rg8 17.Nb5 Ba6 18.Rd2 Bxb5 19.Bxb5 Rac8 20.Bf2 Rg4 21.
g3 Rgg8 22.Be2 e5 23.Kf1 Nd8 24.Be3 Ne6 25.Kf2 Rc7 26.Kf3 Rb8 27.f5 Nd4+ 
28.Bxd4 exd4 29.Bd1 Rc4 30.b3 Rc3+ 31.Kf4 f6 32.Rxd4 Rbc8 33.a4 h6 34.Kg4 
R8c5 35.Kh5 Re5 36.Kxh6 Re3 37.Kg7 R3xe4 38.Rxe4 Rxe4 39.g4 Re1 40.g5 Kd8 
41.Kxf6 Rxd1 42.g6 Ke8 43.g7 1-0

[Event "Interzonal"]
[Site "Riga URS"]
[Date "1979.09.29"]
[Round "17"]
[White "Tseshkovsky, Vitaly"]
[Black "Trois, Francisco"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2415"]
[ECO "C72"]
[EventDate "1979.09.05"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Be7 6.d4 Bd7 7.d5 Nb8 8.c4 Nf6 
9.Nc3 O-O 10.Bxd7 Nbxd7 11.Be3 c5 12.dxc6 bxc6 13.c5 dxc5 14.Nd2 Qb8 15.
Nc4 Rd8 16.Qe2 Ne8 17.Rfd1 Nc7 18.Rxd7 Rxd7 19.Nxe5 Rd6 20.Bxc5 Re6 21.
Bxe7 Rxe5 22.Bd6 Re6 23.Rd1 Qb6 24.e5 Rae8 25.Ne4 Nd5 26.Qc2 Rg6 27.g3 h5 
28.Kh1 h4 29.gxh4 Qb7 30.Ng5 Qc8 31.Qe4 Nf6 32.Qc4 Nd5 33.Qe4 Nf6 34.Qg2 
Nh5 35.Qf3 1-0

