[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Ivkov, Borislav"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[ECO "C88"]
[EventDate "1970.03.15"]
[PlyCount "48"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.d3 d6 10.Bd2 b4 11.c3 d5 12.exd5 Nxd5 13.Nxe5 Nxe5 14.Rxe5 Bf6 15.Re1 c5
16.Qc2 Qd6 17.Be3 Be5 18.h3 Nxe3 19.fxe3 Bh2+ 20.Kf1 Rae8 21.Re2 Qg3 22.
Nd2 Rxe3 23.Ne4 Rf3+ 24.Rf2 Rxf2+ 0-1

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Andersson, Ulf"]
[Result "1-0"]
[ECO "E51"]
[EventDate "1970.03.15"]
[PlyCount "101"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 Nc6 5.Nf3 O-O 6.Bd3 d5 7.O-O dxc4 8.Bxc4 
Bd6 9.Bb5 e5 10.Bxc6 exd4 11.exd4 bxc6 12.Bg5 h6 13.Bh4 Bg4 14.h3 Bh5 15.
g4 Bg6 16.Ne5 Bxe5 17.dxe5 Qxd1 18.Raxd1 Nd5 19.Nxd5 cxd5 20.Rxd5 Be4 21.
Rd4 Bf3 22.Rc1 c6 23.Be7 Rfb8 24.b3 Rb5 25.Bd6 g5 26.Rc3 Rd5 27.Rxd5 Bxd5 
28.Kh2 Kg7 29.h4 Re8 30.Rc5 f6 31.Ra5 fxe5 32.Rxa7+ Kf6 33.h5 Ke6 34.Bc5 
Be4 35.Ra4 Bd3 36.Ba3 Rd8 37.Bb2 Rf8 38.Kg3 e4 39.Bc1 Rd8 40.Be3 Bb1 41.
Ra6 Rd6 42.a4 Bc2 43.b4 Bd3 44.Ra8 Be2 45.Re8+ Kd5 46.Bc5 Rd7 47.a5 Rf7 
48.Rf8 Rd7 49.Bb6 Ke6 50.Re8+ Re7 51.Rh8 1-0

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Andersson, Ulf"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "B82"]
[EventDate "1970.03.15"]
[PlyCount "106"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f4 Qc7 8.Qf3 b5 
9.Bd3 Bb7 10.O-O Nbd7 11.a3 Be7 12.Rae1 Nc5 13.Nb3 d5 14.Nxc5 Bxc5 15.exd5
O-O 16.Bxc5 Qxc5+ 17.Kh1 Bxd5 18.Qh3 g6 19.Qh4 Kg7 20.f5 Rae8 21.fxg6 fxg6
22.Qg5 Qd6 23.Rxf6 Rxf6 24.Nxd5 Rf5 25.Bxf5 Qxd5 26.Qe3 Qxf5 27.Qa7+ Kh6 
28.Qxa6 Rd8 29.Qb6 Rd2 30.Qe3+ Qg5 31.Qe4 Qf5 32.Qe3+ Qg5 33.Qh3+ Kg7 34.
Qc3+ Kh6 35.Rg1 e5 36.Qc5 Qf4 37.h3 e4 38.Re1 Qg3 39.Qf8+ Kh5 40.Qc5+ Kh6 
41.Qe3+ Qxe3 42.Rxe3 Rxc2 43.b3 Ra2 44.b4 Kg5 45.Rxe4 Rxa3 46.Re5+ Kf4 47.
Rxb5 Rb3 48.Kh2 h5 49.Rb7 h4 50.b5 Rb1 51.Rb8 Kg5 52.b6 Kh6 53.g4 Kg5 
1/2-1/2

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Smejkal, Jan"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[ECO "C91"]
[EventDate "1970.03.15"]
[PlyCount "146"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.d4 Bg4 10.Be3 exd4 11.cxd4 Na5 12.Bc2 Nc4 13.Bc1 c5 14.b3 Nb6 15.Nbd2 
Nfd7 16.h3 Bh5 17.Bb2 Rc8 18.a4 bxa4 19.bxa4 cxd4 20.Bxd4 Ne5 21.g4 Bg6 
22.Nxe5 dxe5 23.Bxe5 Bb4 24.Re2 Qh4 25.a5 Nd7 26.Nf3 Qxh3 27.Bg3 Qxg4 28.
Nh2 Qh3 29.Qf1 Qe6 30.Qb1 Bc5 31.Qb3 Qxb3 32.Bxb3 Nf6 33.Ra4 Nh5 34.Nf1 
Nxg3 35.Nxg3 Kh8 36.Bc4 Rc6 37.Bd5 Rd6 38.Rc4 Ba7 39.Rb2 f5 40.Kg2 fxe4 
41.Bxe4 Rdf6 42.Bxg6 Rxg6 43.Rc7 Bd4 44.Rd2 Be5 45.Rc5 Bf4 46.Rdc2 h6 47.
Rc6 Rff6 48.Rxf6 Rxf6 49.Nh5 Rg6+ 50.Kh3 Be5 51.f4 Bd4 52.Rc4 Rd6 53.f5 
Kg8 54.Rc8+ Kh7 55.Nf4 Bf6 56.Ne6 h5 57.Nf4 Kh6 58.Rh8+ Kg5 59.Nxh5 Be5 
60.Re8 Kxf5 61.Ng3+ Bxg3 62.Kxg3 Rd3+ 63.Kg2 Ra3 64.Rg8 g5 65.Rc8 Rxa5 66.
Rc6 Ra2+ 67.Kf3 Ra3+ 68.Kg2 a5 69.Rc5+ Kg4 70.Rc4+ Kh5 71.Rd4 Ra2+ 72.Kg3 
Ra3+ 73.Kg2 Rb3 0-1

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Ivkov, Borislav"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1970.03.15"]
[PlyCount "36"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Nb8 10.d4 Nbd7 11.Bg5 Bb7 12.Nbd2 Re8 13.a4 c5 14.dxe5 Nxe5 15.Nxe5 
dxe5 16.Qe2 c4 17.Bc2 h6 18.Bh4 Nd7 1/2-1/2

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Smejkal, Jan"]
[Black "Andersson, Ulf"]
[Result "0-1"]
[ECO "A53"]
[EventDate "1970.03.15"]
[PlyCount "58"]

1.Nf3 Nf6 2.c4 d6 3.d4 Bg4 4.Qb3 Qc8 5.g3 Nbd7 6.Bg2 c6 7.h3 Bxf3 8.Bxf3 
e5 9.Be3 Be7 10.Nc3 O-O 11.d5 c5 12.Bd2 a6 13.O-O Ne8 14.e4 g6 15.Bh6 Ng7 
16.Bg2 Rb8 17.a4 f5 18.exf5 gxf5 19.f4 Bf6 20.g4 exf4 21.Bxf4 Be5 22.Ne2 
fxg4 23.hxg4 Qe8 24.Qh3 Qg6 25.Rae1 Rbe8 26.Bc1 Qc2 27.Nc3 Bxc3 28.bxc3 
Rxe1 29.Rxe1 Qf2+ 0-1

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Andersson, Ulf"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1970.03.15"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nc5 11.Nf5 Bxf5 12.exf5 Qd7 13.Qg4 Kh8 14.h3 Rg8 15.
Be3 g6 16.fxg6 Ne6 17.Qe4 Rxg6 18.Kh1 Rag8 19.g4 Bf8 20.f4 exf4 21.Bxf4 h5
22.Bd2 Nc5 23.Qf5 hxg4 24.Qxd7 Nxd7 25.Rae1 Bh6 26.Bc3 gxh3 27.Rf3 h2 28.
Re7 Rg1+ 1/2-1/2

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Smejkal, Jan"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "C87"]
[EventDate "1970.03.15"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.Bxc6+ bxc6 8.d4 
Nd7 9.Na3 O-O 10.Nc4 Bf6 11.c3 a5 12.Qa4 exd4 13.cxd4 c5 14.e5 dxe5 15.
dxe5 Be7 16.Rd1 Qe8 17.Qc6 Nb6 18.Qe4 f5 19.Qe2 Qg6 20.Bd2 Nxc4 21.Qxc4+ 
Be6 22.Qf4 Bd5 23.Bc3 c6 24.Re1 a4 25.a3 Rae8 26.Re3 Bd8 27.h4 Qg4 28.Qxg4
fxg4 29.Ng5 h6 30.Ne4 Bxh4 31.g3 Bg5 32.Ree1 Be7 33.Rac1 h5 34.Nd6 Rb8 35.
Rc2 h4 36.gxh4 Bxh4 37.e6 Be7 38.Be5 Rb3 39.Nc4 Rh3 40.f3 gxf3 0-1

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Ivkov, Borislav"]
[Black "Andersson, Ulf"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1970.03.15"]
[PlyCount "79"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Nf3 O-O 7.Be2 e5 8.Bg5 h6 9.
Bh4 Na6 10.Nd2 Bd7 11.a3 Qe7 12.Rb1 b6 13.b4 Rfc8 14.f3 Qf8 15.Bd3 Nh5 16.
Bc2 Bf6 17.Bxf6 Nxf6 18.Ba4 Nb8 19.O-O Nh5 20.Bxd7 Nxd7 21.g3 Qe7 22.Qe2 
Qg5 23.Nb5 a6 24.Nc3 Nf4 25.Qe1 cxb4 26.axb4 b5 27.h4 Qf6 28.gxf4 exf4 29.
e5 Nxe5 30.Nde4 Qd8 31.c5 dxc5 32.Nxc5 Nc4 33.Qf2 Ne3 34.Rfe1 a5 35.N3e4 
axb4 36.Rxe3 fxe3 37.Qxe3 f5 38.Qxh6 fxe4 39.Qxg6+ Kf8 40.Ne6+ 1-0

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[ECO "D77"]
[EventDate "1970.03.15"]
[PlyCount "24"]

1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.g3 d5 5.Bg2 O-O 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 
Be6 9.b3 Bd5 10.Bb2 a5 11.Rc1 Qc8 12.a3 Rd8 1/2-1/2

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Andersson, Ulf"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[ECO "C73"]
[EventDate "1970.03.15"]
[PlyCount "70"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 exd4 7.Nxd4 c5 8.Ne2
Nf6 9.Nbc3 Bb7 10.Ng3 g6 11.h4 h5 12.Bg5 Bg7 13.Qd2 O-O 14.O-O-O Re8 15.
Qf4 Qe7 16.Rhe1 Qe6 17.Qd2 Rab8 18.b3 Ng4 19.Nb1 Qe5 20.c3 c4 21.b4 a5 22.
a3 axb4 23.axb4 Ra8 24.Bf4 Qb5 25.f3 Ne5 26.Bxe5 Bxe5 27.f4 Bg7 28.e5 dxe5
29.f5 e4 30.Qg5 Qc6 31.Rf1 e3 32.Rde1 Ra2 33.fxg6 fxg6 34.Rxe3 Rxe3 35.
Qxe3 Qxg2 0-1

[Event "European zonal 2 play-off"]
[Site "Prague CSR"]
[Date "1970.03.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "D37"]
[EventDate "1970.03.15"]
[PlyCount "112"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bf4 c5 6.dxc5 Na6 7.Bd6 dxc4 8.Qd4 
O-O 9.e4 Nd7 10.Bxc4 Naxc5 11.Rd1 Bxd6 12.Qxd6 Qb6 13.Bb5 a6 14.Qxb6 Nxb6 
15.Be2 Nba4 16.Nxa4 Nxa4 17.Rd4 b5 18.b3 Nc3 19.Kd2 Nxe2 20.Kxe2 Bb7 21.
Rc1 Rac8 22.Rxc8 Rxc8 23.Ke3 f5 24.Nd2 fxe4 25.Rd6 Rc3+ 26.Ke2 e3 27.Rd8+ 
Kf7 28.Rd7+ Kf6 29.Rxb7 exd2 30.Kxd2 Rc6 31.Kd3 h5 32.h4 g6 33.f3 Rd6+ 34.
Ke3 Rc6 35.g4 hxg4 36.fxg4 Ke5 37.Ra7 Rc3+ 38.Kd2 Rc6 39.h5 gxh5 40.gxh5 
Kd4 41.Rg7 Rd6 42.Rg1 Ke4+ 43.Ke2 Rc6 44.Rh1 Rc2+ 45.Kd1 Rc8 46.h6 Kf5 47.
h7 Rh8 48.Rh6 Kg5 49.Rxe6 Rxh7 50.Rxa6 Rh2 51.a3 b4 52.axb4 Kf5 53.Rc6 Ke4
54.Kc1 Kd5 55.Rc4 Kd6 56.Kb1 Rg2 1/2-1/2

