[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2600"]
[ECO "C19"]
[EventDate "1979.06.12"]
[PlyCount "63"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.a3 Bxc3+ 6.bxc3 c5 7.a4 Qa5 8.Bd2 
Nbc6 9.Nf3 Bd7 10.g3 O-O-O 11.Bh3 f5 12.Bg2 h6 13.h4 Qc7 14.Bc1 cxd4 15.
cxd4 Nb4 16.Kd2 Be8 17.Ba3 Nbc6 18.Bd6 Rxd6 19.exd6 Qxd6 20.Kc1 f4 21.Ne5 
Nxe5 22.dxe5 Qxe5 23.Ra3 Nc6 24.Re1 Qd6 25.Rc3 Qb4 26.Qd2 Qxa4 27.Qxf4 d4 
28.Rb3 Qa1+ 29.Kd2 Qa5+ 30.Kd1 Qa1+ 31.Kd2 Qa5+ 32.Kd1 1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "1"]
[White "Sosonko, Gennady"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[WhiteElo "2535"]
[BlackElo "2705"]
[ECO "E05"]
[EventDate "1979.06.12"]
[PlyCount "85"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O dxc4 7.Qc2 a6 8.Qxc4 b5
9.Qc2 Bb7 10.Bd2 Be4 11.Qc1 b4 12.Bg5 h6 13.Bxf6 Bxf6 14.Nbd2 Bd5 15.Qc2 
Nd7 16.e4 Bb7 17.Rfd1 Be7 18.Nc4 c5 19.dxc5 Qc7 20.Rxd7 Qxd7 21.Nb6 Qb5 
22.Nxa8 Rxa8 23.Rc1 Rc8 24.Nd4 Qxc5 25.Qxc5 Bxc5 26.Nb3 Bb6 27.e5 Rxc1+ 
28.Nxc1 Bc8 29.Be4 a5 30.Kg2 Bd4 31.Nd3 f5 32.exf6 gxf6 33.g4 Kf8 34.b3 
Ke7 35.Kg3 Kd6 36.Kf4 Bd7 37.h3 Bb5 38.f3 Bd7 39.Kg3 f5 40.gxf5 exf5 41.
Bb7 Bb5 42.Ne1 Bc3 43.Nc2 0-1

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "2"]
[White "Hort, Vlastimil"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2705"]
[ECO "B19"]
[EventDate "1979.06.12"]
[PlyCount "46"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 e6 11.Bf4 Qa5+ 12.Bd2 Qc7 13.O-O-O O-O-O 14.c4 Ngf6 15.
Kb1 c5 16.Bc3 cxd4 17.Nxd4 a6 18.Nf3 Be7 19.Qe2 Bd6 20.Ne4 Nxe4 21.Qxe4 
Nf6 22.Qe2 Qc5 23.Ne5 Bxe5 1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "2"]
[White "Kavalek, Lubomir"]
[Black "Sosonko, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2535"]
[ECO "B70"]
[EventDate "1979.06.12"]
[PlyCount "41"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O Nc6 8.Nb3 
O-O 9.Kh1 Be6 10.f4 Qc8 11.Bf3 Bg4 12.Nd5 Bxf3 13.Qxf3 b5 14.c3 b4 15.Bd2 
Qb7 16.Rae1 a5 17.Nxf6+ exf6 18.Nc1 Rfe8 19.Nd3 Qb5 20.f5 g5 21.h4 1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "3"]
[White "Karpov, Anatoly"]
[Black "Kavalek, Lubomir"]
[Result "1-0"]
[WhiteElo "2705"]
[BlackElo "2590"]
[ECO "B92"]
[EventDate "1979.06.12"]
[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 Be6 10.f4 exf4 11.Bxf4 Nc6 12.Kh1 Re8 13.Qe1 Nd7 14.Rd1 Nde5 15.
Nd5 Bf8 16.Qf2 Nd7 17.Bg3 Nce5 18.Bh4 Qc8 19.c3 b5 20.Bg5 Qb7 21.Na5 Qc8 
22.Qd4 Nc6 23.Nxc6 Qxc6 24.c4 Bxd5 25.cxb5 axb5 26.Qxd5 Qxd5 27.Rxd5 Rxe4 
28.Bxb5 Ne5 29.a4 Rb4 30.Bc1 Be7 31.h3 Rb8 32.Rf4 Rb3 33.Rf2 Bh4 34.Rc2 
Bg3 35.Bd2 h5 36.Rc3 Rxc3 37.Bxc3 h4 38.Rxd6 Nc4 39.Rd5 Nd6 40.Bd3 Re8 41.
a5 Ne4 42.Bxe4 Rxe4 43.Kg1 Ra4 44.Kf1 f6 45.Ke2 Kf7 46.Rd7+ Kg6 47.b4 Be5 
48.Bd2 Kf5 49.Rxg7 1-0

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "3"]
[White "Sosonko, Gennady"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2600"]
[ECO "D34"]
[EventDate "1979.06.12"]
[PlyCount "42"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.g3 c5 5.cxd5 exd5 6.Bg2 Nc6 7.O-O Be7 8.Nc3 
O-O 9.Bg5 Be6 10.dxc5 Bxc5 11.Bxf6 Qxf6 12.Nxd5 Qxb2 13.Nc7 Rad8 14.Qc1 
Qxc1 15.Raxc1 b6 16.Nxe6 fxe6 17.Bh3 Rf6 18.Ng5 Nd4 19.Kg2 Rg6 20.e3 Rxg5 
21.exd4 Rxd4 1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "4"]
[White "Hort, Vlastimil"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2590"]
[ECO "A23"]
[EventDate "1979.06.12"]
[PlyCount "39"]

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.d4 exd4 5.Qxd4 d5 6.Nf3 Be7 7.cxd5 cxd5 8.Bg2 
Nc6 9.Qa4 O-O 10.Be3 Ng4 11.Bd4 Nxd4 12.Nxd4 Nf6 13.O-O Bc5 14.Rad1 Qb6 
15.Rd2 Bd7 16.Qd1 Bxd4 17.Rxd4 Qxb2 18.Nxd5 Nxd5 19.Bxd5 Bh3 20.Rd2 
1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "4"]
[White "Karpov, Anatoly"]
[Black "Sosonko, Gennady"]
[Result "1-0"]
[WhiteElo "2705"]
[BlackElo "2535"]
[ECO "B63"]
[EventDate "1979.06.12"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O
O-O 9.Nb3 Qb6 10.Be3 Qc7 11.f3 a6 12.g4 b5 13.Kb1 Nd7 14.f4 Nb6 15.Qf2 Na4
16.Ne2 Bb7 17.Bg2 Rac8 18.Nec1 b4 19.g5 Rfe8 20.h4 Na5 21.Nxa5 Qxa5 22.Nb3
Qc7 23.h5 a5 24.Rhe1 Bf8 25.Bf3 Red8 26.g6 hxg6 27.hxg6 fxg6 28.Rg1 Nc5 
29.Nxc5 dxc5 30.Rxd8 Rxd8 31.Rxg6 Qf7 32.Rg1 c4 33.Rh1 Be7 34.Qh2 Kf8 35.
Qe2 Kg8 36.Qxc4 Rc8 37.Qb5 Bd6 38.Qg5 Qc7 39.Qg6 Qxc2+ 40.Ka1 Qc4 1-0

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "5"]
[White "Hort, Vlastimil"]
[Black "Sosonko, Gennady"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2535"]
[ECO "A28"]
[EventDate "1979.06.12"]
[PlyCount "44"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 Bxc3 6.Qxc3 Qe7 7.a3 a5 8.Be2 
O-O 9.O-O d5 10.d3 Rd8 11.cxd5 Nxd5 12.Qc2 a4 13.Bd2 Be6 14.Rfe1 f6 15.d4 
exd4 16.Bd3 g6 17.Nxd4 Nxd4 18.exd4 Qd7 19.Bxg6 hxg6 20.Qxg6+ Kh8 21.Qh6+ 
Kg8 22.Qg6+ Kh8 1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "5"]
[White "Kavalek, Lubomir"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2705"]
[ECO "B19"]
[EventDate "1979.06.12"]
[PlyCount "65"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 Ngf6 11.Bf4 Qa5+ 12.Bd2 Qc7 13.O-O-O e6 14.Qe2 c5 15.
Kb1 O-O-O 16.c4 Bd6 17.Ne4 Nxe4 18.Qxe4 Nf6 19.Qe2 Rhe8 20.Bc3 Re7 21.Ne5 
cxd4 22.Bxd4 Bxe5 23.Bxe5 Qa5 24.Rxd8+ Kxd8 25.f3 Rd7 26.g4 Ke7 27.Rh2 Ne8
28.a3 Qa4 29.Rh1 Qb3 30.Bc3 Nd6 31.Rc1 Nxc4 32.Bb4+ Nd6 33.Rc3 1/2-1/2

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "6"]
[White "Karpov, Anatoly"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo "2705"]
[BlackElo "2600"]
[ECO "A30"]
[EventDate "1979.06.12"]
[PlyCount "113"]

1.c4 Nf6 2.Nf3 e6 3.Nc3 c5 4.g3 b6 5.Bg2 Bb7 6.O-O d5 7.cxd5 Nxd5 8.d4 
Nxc3 9.bxc3 Nd7 10.Re1 cxd4 11.cxd4 Bb4 12.Bg5 f6 13.Bd2 Bxd2 14.Qxd2 Rc8 
15.Qd3 Qe7 16.Rac1 O-O 17.Ng5 fxg5 18.Bxb7 Nc5 19.dxc5 Qxb7 20.Qe3 Rxc5 
21.Rxc5 bxc5 22.Rc1 Qd5 23.Rxc5 Qxa2 24.Rxg5 Qb1+ 25.Kg2 Qb6 26.Re5 Qxe3 
27.Rxe3 Re8 28.Ra3 Re7 29.Ra5 Kf7 30.h4 h6 31.g4 Kf6 32.f4 Rb7 33.Kf3 Rc7 
34.Ra6 g6 35.Ra5 Rd7 36.e3 Rb7 37.h5 g5 38.Ra6 gxf4 39.exf4 Rb3+ 40.Kg2 
Rb7 41.Kg3 Kf7 42.Ra4 Kg7 43.g5 Rc7 44.Ra5 Kg8 45.Rb5 Kf7 46.Kg4 a6 47.Rb8
Rc1 48.g6+ Kg7 49.Rb7+ Kf8 50.Rb6 Rg1+ 51.Kf3 Rf1+ 52.Ke4 Re1+ 53.Kd4 Ke7 
54.Rxa6 Kf6 55.Ra7 e5+ 56.fxe5+ Rxe5 57.Ra6+ 1-0

[Event "Euwe Vierkamp"]
[Site "Waddinxveen NED"]
[Date "1979.06.??"]
[Round "6"]
[White "Sosonko, Gennady"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[WhiteElo "2535"]
[BlackElo "2590"]
[ECO "E97"]
[EventDate "1979.06.12"]
[PlyCount "70"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nf6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 f5 11.Nd2 Nf6 12.c5 f4 13.Nc4 Bh3 14.Re1 Nc8 15.a4 h5 16.
Qd3 Ng4 17.Nd1 Nh6 18.Ra3 Bg4 19.Bf1 Ne7 20.h3 Bc8 21.Rb3 g5 22.Ba3 Nf7 
23.b5 b6 24.cxd6 cxd6 25.Bb4 Ng6 26.Ra3 g4 27.h4 a5 28.bxa6 Bxa6 29.Qb1 
Nxh4 30.gxh4 Qxh4 31.Nxd6 Ng5 32.Bxa6 f3 33.Bf1 Nh3+ 34.Bxh3 Qxh3 35.Ne3 
g3 0-1

