[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Szabo, Laszlo"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2615"]
[ECO "D36"]
[EventDate "1972.03.20"]
[PlyCount "29"]
[Source "Perpetual Check"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.cxd5 exd5 6.Bg5 c6 7.Qc2 Na6 8.a3 g6
9.e3 Bf5 10.Bd3 Bxd3 11.Qxd3 O-O 12.Bxf6 Bxf6 13.O-O Nc7 14.Rfc1 Ne6 15.
Na4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Hort, Vlastimil"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2450"]
[ECO "C95"]
[EventDate "1972.03.20"]
[PlyCount "35"]
[Source "Perpetual Check"]

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.c4 c6 12.cxb5 axb5 13.Nc3 Ba6 14.Bg5 h6 15.dxe5 
Nxe5 16.Nxe5 dxe5 17.Bxf6 Bxf6 18.Qh5 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Bogdanovic, Rajko"]
[Black "Bukal, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2440"]
[ECO "C19"]
[EventDate "1972.03.20"]
[PlyCount "39"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Qa5 8.Qd2 
Nbc6 9.Bd3 Bd7 10.a4 f6 11.exf6 gxf6 12.dxc5 e5 13.Be2 O-O-O 14.O-O h5 15.
Re1 h4 16.c4 Bf5 17.Qxa5 Nxa5 18.cxd5 Nxd5 19.Bd2 Nc6 20.c3 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Matulovic, Milan"]
[Black "Minic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2490"]
[ECO "B96"]
[EventDate "1972.03.20"]
[PlyCount "26"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 
Qc7 9.O-O-O b5 10.e5 Bb7 11.Qh3 dxe5 12.Nxe6 fxe6 13.Qxe6+ Be7 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Gasic, Bozidar"]
[Black "Basagic, Zlatko"]
[Result "1/2-1/2"]
[WhiteElo "2330"]
[ECO "C64"]
[EventDate "1972.03.20"]
[PlyCount "31"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4 c6 8.Ba4 
d6 9.dxe5 dxe5 10.Qxd8+ Bxd8 11.Nd2 Be6 12.Bb3 Bxb3 13.axb3 Bc7 14.Nf3 Nf6
15.Re1 O-O 16.Bg5 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Petrosian, Tigran"]
[Black "Vukic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2430"]
[ECO "E81"]
[EventDate "1972.03.20"]
[PlyCount "46"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Nge2 c5 7.Be3 b6 8.Qd2 Nc6 
9.d5 Ne5 10.Ng3 e6 11.Bg5 exd5 12.Nxd5 Be6 13.Be2 Bxd5 14.cxd5 a6 15.h4 b5
16.h5 Re8 17.Kf1 Qb6 18.Rc1 Nfd7 19.b3 Nf8 20.Bh6 Bxh6 21.Qxh6 Qd8 22.Rh3 
Qf6 23.Nf5 Ned7 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Ivanovic, Bozidar"]
[Black "Kosanski, Stanko"]
[Result "1-0"]
[ECO "B01"]
[EventDate "1972.03.20"]
[PlyCount "71"]
[Source "Perpetual Check"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd8 4.d4 g6 5.Nf3 Nh6 6.Bf4 Bg7 7.Qd2 Nf5 8.
O-O-O Nd7 9.Nd5 Nd6 10.Re1 e6 11.Qb4 O-O 12.Nxc7 Qxc7 13.Bxd6 Qd8 14.Bxf8 
Bxf8 15.Qd2 Nb6 16.h4 Bd7 17.h5 Rc8 18.hxg6 hxg6 19.Ne5 Bg7 20.Rh3 Be8 21.
Kb1 Nd5 22.c3 b5 23.Bd3 b4 24.c4 Nb6 25.Qf4 Nd7 26.g4 Nxe5 27.dxe5 Rc5 28.
Qh2 Bc6 29.f4 Qd4 30.g5 Ra5 31.Rd1 Qb6 32.Bc2 Rc5 33.b3 Bb7 34.Rh7 Qc7 35.
Rd3 Kf8 36.Rxg7 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.20"]
[Round "1"]
[White "Tatai, Stefano"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2410"]
[ECO "A64"]
[EventDate "1972.03.20"]
[PlyCount "108"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.g3 Bg7 8.Bg2 O-O 
9.O-O Re8 10.Nd2 a6 11.a4 Nbd7 12.h3 Rb8 13.Nc4 Nb6 14.Ne3 Nbd7 15.Rb1 Qc7
16.Bd2 Nh5 17.Kh2 f5 18.f4 b5 19.Qc1 b4 20.Ncd1 Ndf6 21.Nf2 Bb7 22.Bf3 Re7
23.Qc4 Rbe8 24.g4 Nxf4 25.Nxf5 gxf5 26.Bxf4 Bc8 27.b3 a5 28.Rbe1 fxg4 29.
hxg4 Nd7 30.Kg2 Bc3 31.Rd1 Be5 32.e3 Rf7 33.Nh3 Bf6 34.Qb5 Ref8 35.g5 Nb8 
36.Bh5 Rg7 37.Kh2 Bc3 38.Bg3 Rxf1 39.Rxf1 Nd7 40.Qc6 Qxc6 41.dxc6 Ne5 42.
Rd1 Bg4 43.Bxg4 Nxg4+ 44.Kh1 Be5 45.Bxe5 Nxe5 46.Rxd6 Rc7 47.Rd5 c4 48.
bxc4 Nxc4 49.Rc5 b3 50.Nf4 b2 51.Rb5 Rxc6 52.Nd3 Kg7 53.Nxb2 Nxb2 54.Rxb2 
Rc4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Keres, Paul"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2410"]
[ECO "A79"]
[EventDate "1972.03.20"]
[PlyCount "113"]
[Source "Perpetual Check"]

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.f3 Nc7 12.a4 b6 13.Nc4 Ba6 14.Bg5 h6 15.Be3 Bxc4 
16.Bxc4 a6 17.Qd2 Kh7 18.Kh1 Qd7 19.Qe2 Ng8 20.Bd3 Bd4 21.Nd1 Bg7 22.Nc3 
Ne7 23.Rfe1 Bd4 24.Qf2 Bg7 25.Qh4 b5 26.axb5 axb5 27.Rxa8 Rxa8 28.Nxb5 
Nxb5 29.Bxb5 Qxb5 30.Qxe7 Qxb2 31.Qxf7 Ra3 32.Qf4 c4 33.h4 h5 34.Qg5 Rd3 
35.Bf4 c3 36.Kh2 Rxf3 37.e5 Qf2 38.Bg3 Rxg3 39.Qxg3 Bxe5 40.Rxe5 Qxg3+ 41.
Kxg3 dxe5 42.d6 c2 43.d7 c1=Q 44.d8=Q Qf4+ 45.Kh3 Qf7 46.Kg3 e4 47.Qg5 Qf5
48.Qf4 Kg8 49.Qb8+ Kf7 50.Qc7+ Ke8 51.Qc6+ Ke7 52.Qc7+ Qd7 53.Qxd7+ Kxd7 
54.Kf4 Kd6 55.Kxe4 Ke6 56.Kf4 Kf6 57.g3 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Kosanski, Stanko"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[BlackElo "2440"]
[ECO "B93"]
[EventDate "1972.03.20"]
[PlyCount "69"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Nbd7 7.Bd3 b5 8.a3 Bb7
9.O-O g6 10.Kh1 Bg7 11.Nf3 Qc7 12.Qe1 e5 13.fxe5 dxe5 14.Qh4 h6 15.Bd2 Nc5
16.b4 Nxd3 17.cxd3 Rd8 18.Rac1 Qe7 19.Be3 Rxd3 20.Bc5 Qe6 21.Rfd1 Rd7 22.
Rxd7 Nxd7 23.Nd5 Bxd5 24.exd5 Qf6 25.Qf2 Bf8 26.Qe3 Be7 27.h3 Kf8 28.Bxe7+
Qxe7 29.Qa7 Qd6 30.Rc7 Ke7 31.Nxe5 Qxe5 32.Rxd7+ Kf6 33.Rxf7+ Kg5 34.Qf2 
Qe4 35.Qf6+ 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Vukic, Milan"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[ECO "E69"]
[EventDate "1972.03.20"]
[PlyCount "96"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O Nbd7 7.Nc3 e5 8.e4 Re8 
9.h3 c6 10.Be3 Qa5 11.Qc2 exd4 12.Nxd4 Nb6 13.Nb3 Qh5 14.Ne2 Bh6 15.g4 Qh4
16.Bd4 c5 17.Bxf6 Qxf6 18.f4 Bg7 19.Nc3 Be6 20.g5 Qe7 21.Nd5 Nxd5 22.cxd5 
Bd7 23.Rad1 Rac8 24.Na5 h6 25.gxh6 Bxh6 26.Nxb7 Bb5 27.Na5 Bxf1 28.Rxf1 
Qf6 29.Qf2 Bg7 30.Nc4 Rcd8 31.Kh1 Qd4 32.Qc2 Rd7 33.f5 Qf6 34.fxg6 Qxg6 
35.Bf3 Bd4 36.Bg4 Rde7 37.Bf5 Qg3 38.Qg2 Qxg2+ 39.Kxg2 Be5 40.Rf2 Rb8 41.
b3 Rb5 42.Rf3 Kg7 43.Kf1 Rb8 44.Na5 Rb6 45.Nc4 Rb4 46.Ke2 Re8 47.a3 Rbb8 
48.Kd2 f6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Basagic, Zlatko"]
[Black "Petrosian, Tigran"]
[Result "0-1"]
[BlackElo "2640"]
[ECO "E91"]
[EventDate "1972.03.20"]
[PlyCount "64"]
[Source "Perpetual Check"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.e4 Nf6 5.Be2 O-O 6.Nf3 Bg4 7.O-O Nfd7 8.Be3 a5
9.Ne1 Bxe2 10.Qxe2 e6 11.Rd1 Qe7 12.Nd3 Nc6 13.Nb5 Rfc8 14.f4 f5 15.e5 d5 
16.cxd5 exd5 17.a4 Nd8 18.Rc1 Nf8 19.Rc2 Nf7 20.Rfc1 c6 21.g4 fxg4 22.Qxg4
Nh6 23.Qh3 Nf5 24.Bf2 Ne6 25.Nc3 Nexd4 26.Nxd5 Qd8 27.Bxd4 Nxd4 28.Nf6+ 
Bxf6 29.exf6 Nxc2 30.Qe6+ Kf8 31.Rxc2 Rc7 32.Rc3 Qd4+ 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Minic, Dragoljub"]
[Black "Gasic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2330"]
[ECO "B09"]
[EventDate "1972.03.20"]
[PlyCount "49"]
[Source "Perpetual Check"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.e5 dxe5 6.dxe5 Qxd1+ 7.Kxd1 Ng4 8.Ke1
Be6 9.h3 Nh6 10.g4 Nc6 11.Bb5 O-O-O 12.Bxc6 bxc6 13.Be3 f6 14.exf6 Bxf6 
15.Nf3 Nf7 16.Bxa7 Nd6 17.Bd4 Nc4 18.Bxf6 exf6 19.b3 Ne3 20.Kf2 Nxc2 21.
Rad1 Nb4 22.Ne4 f5 23.Nc5 Bd5 24.gxf5 Rhf8 25.Ne6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Bukal, Vladimir"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2530"]
[ECO "A10"]
[EventDate "1972.03.20"]
[PlyCount "48"]
[Source "Perpetual Check"]

1.c4 g6 2.Nc3 Bg7 3.Nf3 e5 4.d4 exd4 5.Nxd4 Nc6 6.Nxc6 bxc6 7.g3 Ne7 8.Bg2
O-O 9.O-O Rb8 10.Qa4 a6 11.Rd1 c5 12.Qc2 d6 13.b3 Bd7 14.Bb2 Nc6 15.Bxc6 
Bxc6 16.Nd5 Bxb2 17.Qxb2 f5 18.e3 a5 19.Qc3 a4 20.h4 Rb7 21.Rd2 Kf7 22.Kf1
Re8 23.Rb1 Re4 24.f3 Rxc4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Jansa, Vlastimil"]
[Black "Bogdanovic, Rajko"]
[Result "1-0"]
[WhiteElo "2450"]
[BlackElo "2435"]
[ECO "B52"]
[EventDate "1972.03.20"]
[PlyCount "91"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.d4 cxd4 7.Nxd4 Nf6 8.
Nc3 g6 9.f3 Bg7 10.Be3 O-O 11.O-O a6 12.a4 Rac8 13.b3 Rfe8 14.Qd2 Qd8 15.
Rfd1 Nd7 16.Rab1 Nc5 17.Nce2 Qc7 18.Nxc6 Qxc6 19.a5 Qc7 20.Nf4 Bh6 21.Nd5 
Bxe3+ 22.Qxe3 Qc6 23.Qg5 f6 24.Qd2 Nd7 25.Kh1 Rcd8 26.Rbc1 Kg7 27.b4 e6 
28.Ne3 Ne5 29.Qd4 Qc7 30.f4 Nc6 31.Qc3 e5 32.Nd5 Qd7 33.Rf1 Rf8 34.Rcd1 
Nd4 35.h3 Rde8 36.Qe3 Qc6 37.Rc1 Qd7 38.Rfd1 Qf7 39.Kh2 Rc8 40.Rf1 Rcd8 
41.fxe5 dxe5 42.Rxf6 Qxf6 43.Nxf6 Rxf6 44.b5 Rc8 45.Qg5 Rc5 46.Rf1 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.21"]
[Round "2"]
[White "Szabo, Laszlo"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2605"]
[ECO "D87"]
[EventDate "1972.03.20"]
[PlyCount "63"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Ne2 
Nc6 9.Be3 O-O 10.O-O Qc7 11.Rc1 Rd8 12.f4 Bg4 13.f5 Na5 14.Bd3 Qd7 15.d5 
gxf5 16.c4 b5 17.h3 fxe4 18.Bxe4 Bh5 19.cxb5 Rac8 20.Qe1 Qxb5 21.Nf4 Bg6 
22.Nxg6 fxg6 23.Bg5 Bf6 24.Bxf6 exf6 25.Bxg6 Rf8 26.Qg3 Kh8 27.Bxh7 Qb2 
28.Bf5 Qd4+ 29.Kh1 Rg8 30.Qf3 Rce8 31.Qh5+ Kg7 32.Qh7+ 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Hort, Vlastimil"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2615"]
[ECO "D56"]
[EventDate "1972.03.20"]
[PlyCount "35"]
[Source "Perpetual Check"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 Ne4 8.Bxe7 
Qxe7 9.Qc2 Nxc3 10.Qxc3 c6 11.Bd3 Nd7 12.O-O dxc4 13.Bxc4 b6 14.b4 Bb7 15.
Be2 a5 16.a3 axb4 17.axb4 c5 18.bxc5 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Bogdanovic, Rajko"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2525"]
[ECO "B57"]
[EventDate "1972.03.20"]
[PlyCount "56"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6 7.Nb3 e6 8.O-O 
a6 9.Be3 Qc7 10.Bd3 b5 11.f4 Be7 12.Qf3 Bb7 13.a4 b4 14.Ne2 Na5 15.Bd4 e5 
16.Nxa5 Qxa5 17.fxe5 dxe5 18.Qf5 O-O 19.Rae1 Rad8 20.Kh1 g6 21.Qxe5 Qxe5 
22.Bxe5 Nxe4 23.Nf4 Nd2 24.Rf2 Bh4 25.Rxd2 Bxe1 26.Re2 Bh4 27.h3 Rfe8 28.
Bc4 Bg3 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Matulovic, Milan"]
[Black "Jansa, Vlastimil"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2450"]
[ECO "B09"]
[EventDate "1972.03.20"]
[PlyCount "125"]
[Source "Perpetual Check"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.e5 dxe5 8.dxe5 
Nd5 9.Bd2 Ncb4 10.Be4 c6 11.Nxd5 cxd5 12.Bxb4 dxe4 13.Qxd8 Rxd8 14.Nd2 e3 
15.Nb3 Bf5 16.c3 Rd7 17.Bc5 Be4 18.Rg1 b6 19.Bxe3 f6 20.exf6 exf6 21.Kf2 
Kf7 22.Rgd1 Rad8 23.Rxd7+ Rxd7 24.a4 Bd5 25.Nd2 f5 26.Nf3 Bc6 27.a5 b5 28.
Ng5+ Kg8 29.a6 Bf6 30.Ne6 Kf7 31.Nc5 Rc7 32.Bd4 Be7 33.Nd3 Be4 34.Ne5+ Ke6
35.Ra5 b4 36.Nf3 bxc3 37.bxc3 Bf6 38.Bxf6 Kxf6 39.Ra3 Bxf3 40.Kxf3 Ke6 41.
Ke3 Kd5 42.Kd3 Kc5 43.Rb3 Rd7+ 44.Ke3 Re7+ 45.Kf2 Re6 46.Rb7 Rxa6 47.Rxh7 
Kc4 48.Rc7+ Kd3 49.Kf3 Ra3 50.g4 fxg4+ 51.Kxg4 Rxc3 52.Rxa7 Rc1 53.Rd7+ 
Ke4 54.Re7+ Kd4 55.Re5 Rg1+ 56.Kf3 Rf1+ 57.Kg3 Rg1+ 58.Kf2 Ra1 59.Re6 Ra3 
60.Kg2 Ra2+ 61.Kf3 Kd5 62.Rxg6 Rxh2 63.Kg4 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Gasic, Bozidar"]
[Black "Bukal, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2330"]
[BlackElo "2440"]
[ECO "A37"]
[EventDate "1972.03.20"]
[PlyCount "36"]
[Source "Perpetual Check"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.e3 Nge7 7.O-O O-O 8.d4 cxd4
9.Nxd4 Nxd4 10.exd4 d5 11.cxd5 Nxd5 12.Nxd5 exd5 13.Qb3 Bxd4 14.Bh6 Bg7 
15.Bxg7 Kxg7 16.Bxd5 Rb8 17.Rad1 Qf6 18.Rfe1 Bg4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Petrosian, Tigran"]
[Black "Minic, Dragoljub"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2490"]
[ECO "A56"]
[EventDate "1972.03.20"]
[PlyCount "59"]
[Source "Perpetual Check"]

1.c4 g6 2.d4 Bg7 3.Nc3 c5 4.d5 d6 5.e4 Nf6 6.Bd3 O-O 7.Bg5 h6 8.Bd2 e6 9.
h3 exd5 10.exd5 Re8+ 11.Nge2 a6 12.a4 Nfd7 13.f4 Qh4+ 14.Kf1 b6 15.Qe1 Qd8
16.g4 a5 17.Qg3 Nf6 18.f5 Nbd7 19.fxg6 fxg6 20.Bxg6 Rf8 21.Kg2 Ne5 22.Bd3 
Ra7 23.Nf4 Raf7 24.Be2 Nh7 25.Rhf1 Nf6 26.Rae1 Re7 27.b3 Rfe8 28.Bd1 Nf7 
29.Rxe7 Rxe7 30.Be2 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Ivanovic, Bozidar"]
[Black "Basagic, Zlatko"]
[Result "1-0"]
[ECO "C65"]
[EventDate "1972.03.20"]
[PlyCount "55"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.c3 O-O 6.d4 Bb6 7.Re1 exd4 8.Nxd4 
Nxd4 9.cxd4 d5 10.e5 Ng4 11.Bf4 Nxf2 12.Kxf2 Qh4+ 13.Ke3 g5 14.Bg3 Qe4+ 
15.Kd2 Qxd4+ 16.Kc1 Qc5+ 17.Nc3 d4 18.Bf2 Bf5 19.Qf3 Bg6 20.Ba4 Rad8 21.
Bb3 g4 22.Qf6 Ba5 23.e6 Bxc3 24.Re5 Bxb2+ 25.Kxb2 Qc3+ 26.Ka3 fxe6 27.
Qxe6+ Kh8 28.Bh4 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Tatai, Stefano"]
[Black "Vukic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2430"]
[ECO "E74"]
[EventDate "1972.03.20"]
[PlyCount "110"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 a6 8.a4 Qa5 9.
Bd2 e6 10.Nf3 exd5 11.exd5 Bg4 12.O-O Qc7 13.h3 Bxf3 14.Bxf3 Nbd7 15.Qc2 
Rfe8 16.Rae1 Re5 17.Rxe5 Nxe5 18.Be2 Re8 19.g4 h6 20.f4 Ned7 21.Qd3 Nh7 
22.Bd1 Qd8 23.Kg2 Re7 24.Bc2 Ndf6 25.Re1 Rxe1 26.Bxe1 Nf8 27.Qe2 N8d7 28.
Bd2 Kf8 29.b3 Qe7 30.Qxe7+ Kxe7 31.a5 Ne8 32.Ne2 Bb2 33.Ng3 Ba3 34.f5 g5 
35.f6+ Kxf6 36.Bc3+ Ke7 37.Nf5+ Kf8 38.Nxh6 Bb4 39.Bxb4 cxb4 40.Nf5 Nc5 
41.Kf3 f6 42.Ke3 Kf7 43.Kd4 Nd7 44.Ng3 Ke7 45.Ne2 Nc7 46.Bf5 Nc5 47.Nc1 
Na8 48.Bc2 b6 49.Nd3 Nxd3 50.Bxd3 bxa5 51.c5 Nc7 52.c6 a4 53.bxa4 a5 54.
Bc4 Na8 55.Bb3 Nb6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.22"]
[Round "3"]
[White "Rajkovic, Dusan"]
[Black "Kosanski, Stanko"]
[Result "0-1"]
[WhiteElo "2410"]
[ECO "A41"]
[EventDate "1972.03.20"]
[PlyCount "80"]
[Source "Perpetual Check"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 d6 4.d4 Bg4 5.d5 Nb8 6.e4 Nd7 7.Be2 Ngf6 8.O-O g6 
9.Be3 Bg7 10.b4 b6 11.Nd2 Bxe2 12.Qxe2 O-O 13.Nb3 Qe7 14.Rfc1 Rfc8 15.a4 
a5 16.bxa5 bxa5 17.Nb5 Nxe4 18.Na7 Rf8 19.Nxa5 Nec5 20.N5c6 Qh4 21.Ra3 f5 
22.f3 e4 23.f4 g5 24.Rf1 Nd3 25.g3 Qh3 26.Nb5 gxf4 27.Bxf4 N7e5 28.Bxe5 
Nxe5 29.Ncd4 Rab8 30.a5 Nd3 31.Ne6 Rf6 32.a6 Rg6 33.a7 Ra8 34.Qg2 Qh6 35.
Kh1 Be5 36.Rxd3 exd3 37.Nf4 Bxf4 38.Rxf4 Qxf4 39.gxf4 Rxg2 40.Kxg2 d2 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Keres, Paul"]
[Black "Kosanski, Stanko"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[ECO "B08"]
[EventDate "1972.03.20"]
[PlyCount "40"]
[Source "Perpetual Check"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Nf6 5.e5 dxe5 6.Nxe5 O-O 7.Bc4 c5 8.dxc5 
Qa5 9.O-O Qxc5 10.Qe2 Nh5 11.Ng4 Nc6 12.Ne4 Bxg4 13.Nxc5 Bxe2 14.Bxe2 Nd4 
15.Bd1 Rfc8 16.c3 Rxc5 17.g4 Nf6 18.cxd4 Rb5 19.Bf3 Rd8 20.Rd1 Nd5 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Vukic, Milan"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2410"]
[ECO "A37"]
[EventDate "1972.03.20"]
[PlyCount "113"]
[Source "Perpetual Check"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.c4 e5 6.Nc3 Nge7 7.d3 O-O 8.a3 d5 
9.cxd5 Nxd5 10.Nxd5 Qxd5 11.Be3 Qd6 12.Nd2 b6 13.b4 cxb4 14.axb4 Bb7 15.
Qa4 e4 16.b5 Ne7 17.Rac1 Nd5 18.Nxe4 Qd7 19.Bd4 Nf4 20.gxf4 Bxd4 21.e3 Bg7
22.Qb3 h5 23.d4 Rfe8 24.Rc6 Bxc6 25.bxc6 Qxc6 26.Ng5 Qd7 27.Nxf7 Kh7 28.
Ng5+ Kh6 29.Bh3 Qc7 30.d5 Bf8 31.Rd1 Bd6 32.Be6 Re7 33.Qb2 Rf8 34.Rc1 Bc5 
35.Ne4 Qb8 36.Qb5 Qe8 37.Qxe8 Rfxe8 38.Nxc5 bxc5 39.Rxc5 Ra8 40.Ra5 Rb8 
41.Kg2 Kg7 42.h4 Rb6 43.e4 Rb4 44.f3 Rb2+ 45.Kg3 Rd2 46.f5 Rb7 47.e5 gxf5 
48.Bxf5 Rdb2 49.d6 Rd2 50.Be4 Rd7 51.Bc6 Rf7 52.Bd5 Rd7 53.Kf4 Rd4+ 54.Kg5
Kf8 55.Be4 Rd1 56.Bg6 Rg1+ 57.Kf6 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Basagic, Zlatko"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[BlackElo "2440"]
[ECO "B03"]
[EventDate "1972.03.20"]
[PlyCount "65"]
[Source "Perpetual Check"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 dxe5 6.fxe5 Bf5 7.Nc3 e6 8.Nf3 Nc6
9.Be3 Bg4 10.Qd2 Be7 11.O-O-O a5 12.h3 Bxf3 13.gxf3 a4 14.Ne4 O-O 15.Rg1 
f5 16.exf6 Bxf6 17.Bg5 Bxg5 18.Nxg5 Rf6 19.Qe3 Qe7 20.Qe4 Rg6 21.h4 a3 22.
b3 Rd8 23.Bh3 Re8 24.Bxe6+ Kh8 25.Nf7+ Qxf7 26.Bxf7 Rxe4 27.fxe4 Rxg1 28.
Rxg1 Nxd4 29.Rd1 Nc6 30.h5 g5 31.h6 g4 32.Be6 g3 33.Rf1 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Minic, Dragoljub"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[ECO "C93"]
[EventDate "1972.03.20"]
[PlyCount "35"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 15.b3 Nc6 
16.d5 Ne7 17.Be3 Ng6 18.Qd2 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Bukal, Vladimir"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2640"]
[ECO "A37"]
[EventDate "1972.03.20"]
[PlyCount "53"]
[Source "Perpetual Check"]

1.c4 g6 2.Nc3 Bg7 3.Nf3 c5 4.g3 Nc6 5.Bg2 Nh6 6.O-O Nf5 7.b3 b6 8.Bb2 Bb7 
9.e3 O-O 10.Na4 Bxb2 11.Nxb2 e6 12.d3 Qf6 13.Na4 Rad8 14.Rc1 d5 15.cxd5 
exd5 16.Qd2 Rfe8 17.Rfd1 Re7 18.Qb2 Qxb2 19.Nxb2 Kg7 20.g4 Nd6 21.d4 cxd4 
22.Nxd4 Nxd4 23.Rxd4 Nb5 24.Rd2 d4 25.Bxb7 Rxb7 26.a4 Nc3 27.Kg2 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Jansa, Vlastimil"]
[Black "Gasic, Bozidar"]
[Result "1-0"]
[WhiteElo "2450"]
[BlackElo "2330"]
[ECO "B36"]
[EventDate "1972.03.20"]
[PlyCount "65"]
[Source "Perpetual Check"]

1.Nf3 c5 2.c4 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 g6 6.e4 Nxd4 7.Qxd4 d6 8.f3 
Bg7 9.Be3 O-O 10.Qd2 Qa5 11.Rc1 Be6 12.Nd5 Qxa2 13.Nxe7+ Kh8 14.Be2 Rfe8 
15.Nd5 Bxd5 16.cxd5 Rac8 17.O-O a6 18.Ra1 Qb3 19.Bd3 Nd7 20.Rfb1 a5 21.
Rxa5 Ra8 22.Rb5 Qa2 23.Rxb7 Nc5 24.Rxf7 Reb8 25.Bc2 Kg8 26.Rc7 Na6 27.Rd7 
Nc5 28.Rxd6 Rxb2 29.Rxb2 Qxb2 30.Bxc5 Ra1+ 31.Kf2 Rc1 32.Rd8+ Kf7 33.Qf4+ 
1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Szabo, Laszlo"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2530"]
[ECO "A56"]
[EventDate "1972.03.20"]
[PlyCount "36"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.Bd3 e6 7.Nge2 exd5 8.exd5 Ng4
9.Ne4 O-O 10.O-O Ne5 11.Bg5 Qc7 12.N2c3 Bf5 13.Bf6 Nbd7 14.Bxg7 Kxg7 15.
Be2 Bxe4 16.Nxe4 Rfe8 17.Qc2 f5 18.Ng5 Nf8 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.23"]
[Round "4"]
[White "Hort, Vlastimil"]
[Black "Bogdanovic, Rajko"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2435"]
[ECO "E92"]
[EventDate "1972.03.20"]
[PlyCount "75"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 8.Bg5 h6 9.
Bh4 Na6 10.Nd2 Bd7 11.O-O Qe8 12.b3 Nh7 13.a3 h5 14.f3 Bh6 15.Bf2 Qe7 16.
Qc2 f5 17.Rab1 Nc5 18.b4 axb4 19.axb4 Na4 20.Nxa4 Bxa4 21.Qc3 Bd7 22.c5 
Ra2 23.Rb2 Rfa8 24.Qc2 Rxb2 25.Qxb2 Nf6 26.Bd3 Kg7 27.h3 fxe4 28.fxe4 Nh7 
29.Nc4 Rf8 30.Bg3 Rxf1+ 31.Kxf1 Kg8 32.b5 h4 33.Bf2 Bg7 34.b6 dxc5 35.bxc7
b5 36.Nb6 c4 37.Bxc4 bxc4 38.Nxd7 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Bogdanovic, Rajko"]
[Black "Keres, Paul"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2615"]
[ECO "C72"]
[EventDate "1972.03.20"]
[PlyCount "70"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.d4 Nf6 7.Re1 b5 8.Bb3 Nxd4
9.Nxd4 exd4 10.c3 dxc3 11.Nxc3 Be7 12.f4 O-O 13.Qf3 b4 14.Ne2 d5 15.Bxd5 
Bc5+ 16.Kh1 c6 17.Bc4 Bg4 18.Qd3 Qxd3 19.Bxd3 Rfd8 20.Bc2 Bf2 21.Rf1 Bxe2 
22.Rxf2 Bd3 23.Bxd3 Rxd3 24.g3 Nxe4 25.Rc2 c5 26.b3 Rd1+ 27.Kg2 Rad8 28.a3
Nd2 29.Raa2 Nxb3 30.Be3 R1d3 31.Kf2 h5 32.axb4 cxb4 33.Rxa6 Nd2 34.Rb6 
Ne4+ 35.Kf3 Nc3 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Matulovic, Milan"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2605"]
[ECO "B13"]
[EventDate "1972.03.20"]
[PlyCount "34"]
[Source "Perpetual Check"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c3 Nc6 5.Bf4 Nf6 6.Bd3 Bg4 7.Qb3 Qc8 8.Nd2 
e6 9.Ngf3 Be7 10.Ne5 Nxe5 11.Bxe5 O-O 12.Qc2 Bf5 13.Bxf5 exf5 14.O-O Ne4 
15.Rfe1 Qd7 16.f3 Nxd2 17.Qxd2 Rfe8 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Gasic, Bozidar"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo "2330"]
[BlackElo "2525"]
[ECO "A47"]
[EventDate "1972.03.20"]
[PlyCount "100"]
[Source "Perpetual Check"]

1.d4 Nf6 2.Nf3 b6 3.Bf4 Bb7 4.Nbd2 g6 5.e3 Bg7 6.h3 O-O 7.Bd3 c5 8.c3 d6 
9.Qe2 Nc6 10.O-O Qc7 11.Ba6 Bxa6 12.Qxa6 e5 13.dxe5 dxe5 14.Bh2 Rad8 15.
Rad1 Rd5 16.e4 Rd7 17.Qe2 Rfd8 18.Rfe1 Qd6 19.Rb1 Nh5 20.Nf1 Qe6 21.a3 Nf4
22.Qc2 Nd3 23.Re2 c4 24.Ne3 Bh6 25.Ng4 Bf8 26.Rf1 h5 27.Ne3 Bh6 28.Nd2 b5 
29.a4 a6 30.axb5 axb5 31.b3 Nf4 32.Bxf4 exf4 33.Nd1 cxb3 34.Nxb3 f3 35.
Ree1 Qf6 36.Ne3 Qh4 37.Nd5 Qg5 38.g3 h4 39.Kh2 Bg7 40.Rg1 hxg3+ 41.fxg3 
Ne5 42.Rgf1 Qh5 43.Kg1 Qxh3 44.Qh2 Qxh2+ 45.Kxh2 f5 46.Nc5 Ra7 47.Ne6 Rd6 
48.Nxg7 Kxg7 49.Nb4 Rd2+ 50.Kg1 Ra8 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Petrosian, Tigran"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2450"]
[ECO "B36"]
[EventDate "1972.03.20"]
[PlyCount "54"]
[Source "Perpetual Check"]

1.c4 g6 2.e4 c5 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 Nf6 6.Nc3 d6 7.f3 Nxd4 8.Qxd4 
Bg7 9.Be3 O-O 10.Qd2 Qa5 11.Rc1 Be6 12.Be2 Rfc8 13.b3 a6 14.Na4 Qxd2+ 15.
Kxd2 Nd7 16.Rhd1 Rab8 17.Nc3 f5 18.exf5 gxf5 19.Ke1 Bxc3+ 20.Rxc3 b5 21.
Bd4 bxc4 22.Rdc1 Nc5 23.Bxc5 Rxc5 24.Bxc4 Re5+ 25.Kf2 Kf7 26.Bxe6+ Rxe6 
27.Rc4 Rb5 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Ivanovic, Bozidar"]
[Black "Bukal, Vladimir"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "C19"]
[EventDate "1972.03.20"]
[PlyCount "98"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Qa5 8.Bd2 
Nbc6 9.a4 Bd7 10.Bd3 c4 11.Be2 f6 12.exf6 gxf6 13.Nh4 O-O-O 14.f4 Ng6 15.
Nxg6 hxg6 16.O-O Rh7 17.Rf3 Rdh8 18.h3 Qc7 19.Bf1 Ne7 20.Qe1 Nf5 21.a5 Nd6
22.Re3 Kb8 23.Bc1 Re8 24.Ba3 Nf5 25.Rf3 Bc6 26.Qf2 Ka8 27.Bc5 Qg7 28.Re1 
Qc7 29.Bb4 Rhh8 30.g4 Nd6 31.Bxd6 Qxd6 32.Rfe3 Bd7 33.Bg2 f5 34.Re5 Ref8 
35.g5 Qa3 36.Rxe6 Bxe6 37.Rxe6 Qxa5 38.Rxg6 Qxc3 39.h4 Rd8 40.Re6 a5 41.g6
a4 42.Bf3 a3 43.Qe3 Qb2 44.g7 Rhg8 45.Qe5 a2 46.Ra6+ bxa6 47.Bxd5+ Rxd5 
48.Qxd5+ Ka7 49.Qf7+ Qb7 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Tatai, Stefano"]
[Black "Minic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2490"]
[ECO "C69"]
[EventDate "1972.03.20"]
[PlyCount "32"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 Bxf3 9.gxf3 fxe5 10.Be3 Nf6 11.Nd2 O-O-O 12.Nc4 Rxd1+ 13.Rxd1 Nd7 14.
Kf1 Be7 15.Ke2 Rf8 16.Rg1 g6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Rajkovic, Dusan"]
[Black "Basagic, Zlatko"]
[Result "0-1"]
[WhiteElo "2410"]
[ECO "D33"]
[EventDate "1972.03.20"]
[PlyCount "90"]
[Source "Perpetual Check"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 7.Bg2 Bb4 8.O-O 
Nge7 9.a3 Bxc3 10.bxc3 O-O 11.Nd2 Bg4 12.Kh1 b5 13.f3 Be6 14.e4 a5 15.f4 
f5 16.exf5 Bxf5 17.Re1 Qd7 18.Nf3 Ng6 19.Be3 Be4 20.Qd2 Qd6 21.Ne5 Bxg2+ 
22.Qxg2 Nge7 23.Reb1 Rab8 24.Qd2 b4 25.axb4 axb4 26.cxb4 Rxb4 27.g4 Rfb8 
28.Rxb4 Qxb4 29.Qf2 Qb2 30.Qxb2 Rxb2 31.Ra8+ Rb8 32.Rxb8+ Nxb8 33.Kg2 Nbc6
34.Nd7 Nc8 35.f5 Nd6 36.Nb6 c3 37.Kf3 Nb4 38.Ke2 Ne4 39.Kf3 c2 40.h4 Nc3 
41.f6 gxf6 42.Bd2 Kf7 43.Ke3 Ke6 44.Bc1 Ne4 45.Nc8 Na2 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.25"]
[Round "5"]
[White "Kosanski, Stanko"]
[Black "Vukic, Milan"]
[Result "0-1"]
[BlackElo "2430"]
[ECO "B11"]
[EventDate "1972.03.20"]
[PlyCount "56"]
[Source "Perpetual Check"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3 Nf6 6.d3 e6 7.g4 Bb4 8.Bd2 d4 
9.Nb1 Bxd2+ 10.Nxd2 Qa5 11.h4 h6 12.Qe2 e5 13.Bg2 Nbd7 14.a3 Nf8 15.O-O-O 
Ne6 16.g5 Nf4 17.Qf3 N6h5 18.Bh3 g6 19.Bg4 Ng7 20.Rdg1 h5 21.Bh3 b5 22.Nb3
Qb6 23.c3 dxc3 24.bxc3 Qxf2 25.Bd7+ Kxd7 26.Qxf2 Nxd3+ 27.Kc2 Nxf2 28.Rh2 
Ng4 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Keres, Paul"]
[Black "Vukic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2430"]
[ECO "B10"]
[EventDate "1972.03.20"]
[PlyCount "56"]
[Source "Perpetual Check"]

1.e4 c6 2.c4 d5 3.exd5 cxd5 4.cxd5 a6 5.Nc3 Nf6 6.Qb3 g6 7.Nge2 Bg7 8.Nf4 
O-O 9.Be2 Nbd7 10.O-O b5 11.d3 Rb8 12.Be3 Nb6 13.Bf3 Bb7 14.Rfe1 Re8 15.
Rac1 Ba8 16.a3 Qd7 17.Rc2 g5 18.Nh5 g4 19.Nxf6+ exf6 20.Be2 f5 21.Rec1 Be5
22.Qb4 f4 23.Bc5 Nxd5 24.Nxd5 Qxd5 25.Bf1 Re6 26.Ba7 Rbe8 27.Rc8 Bb7 28.
Rxe8+ Rxe8 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Basagic, Zlatko"]
[Black "Kosanski, Stanko"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1972.03.20"]
[PlyCount "30"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Bg4 8.Nbd2
O-O 9.Nc4 Nd7 10.h3 Bxf3 11.Qxf3 Bf6 12.Ne3 Re8 13.Ng4 Bg5 14.Qf5 Bxc1 15.
Raxc1 f6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Minic, Dragoljub"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2490"]
[BlackElo "2410"]
[ECO "C04"]
[EventDate "1972.03.20"]
[PlyCount "79"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Nb3 a5 7.a4 b6 8.Bf4 Be7 
9.h4 Ba6 10.Bxa6 Rxa6 11.c3 Na7 12.Rh3 c5 13.Rg3 c4 14.Nbd2 g6 15.h5 Nf8 
16.h6 Qb8 17.Bg5 Nc6 18.Bxe7 Nxe7 19.Ng5 Ra7 20.Qf3 Ng8 21.b3 cxb3 22.c4 
Qd8 23.Qxb3 Nxh6 24.Qb5+ Rd7 25.Ngf3 Nf5 26.Rh3 Ne7 27.Rb1 Nc8 28.Rh6 Qc7 
29.Ke2 Ke7 30.Rhh1 Rd8 31.Rhc1 Qd7 32.Qb3 h6 33.c5 bxc5 34.Rxc5 Qa7 35.Qc3
Ke8 36.Ke1 Qd7 37.Rc7 Qxa4 38.Rxc8 Nd7 39.Rc7 Ke7 40.Ra1 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Bukal, Vladimir"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2440"]
[ECO "A34"]
[EventDate "1972.03.20"]
[PlyCount "42"]
[Source "Perpetual Check"]

1.c4 c5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 O-O 7.O-O Nbd7 8.d4 a6 
9.a3 Qc7 10.b3 Rb8 11.Bb2 b5 12.Nd5 Nxd5 13.cxd5 b4 14.Qc2 Qb6 15.dxc5 
Qxc5 16.Qxc5 Nxc5 17.Bxg7 Kxg7 18.Nd4 Bd7 19.Rfb1 bxa3 20.Rxa3 Rb6 21.Bf1 
Rfb8 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Jansa, Vlastimil"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2450"]
[ECO "C79"]
[EventDate "1972.03.20"]
[PlyCount "81"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Nf6 6.Re1 Bd7 7.c3 g6 8.d4 b5 9.
Bc2 Bg7 10.Nbd2 O-O 11.dxe5 Nxe5 12.Nxe5 dxe5 13.Nb3 Qe7 14.Be3 Rfd8 15.f3
Nh5 16.Qd2 a5 17.Qf2 Nf4 18.Nc5 Bc6 19.a4 Rdb8 20.axb5 Bxb5 21.Ra2 Bf8 22.
Rea1 Qg5 23.h4 Qh6 24.Kh2 Be7 25.g3 a4 26.b4 Rd8 27.Bxa4 Bxa4 28.Rxa4 Rxa4
29.Rxa4 Rd1 30.Ra8+ Kg7 31.Ra2 g5 32.Rd2 Rb1 33.Rb2 Rd1 34.Rd2 Rb1 35.gxf4
gxf4 36.Qg2+ Kh8 37.Bf2 Bxh4 38.Qh3 Bg3+ 39.Kg2 Qg5 40.Qg4 Bxf2 41.Qxg5 
1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Szabo, Laszlo"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2640"]
[ECO "A56"]
[EventDate "1972.03.20"]
[PlyCount "29"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Nge2 O-O 7.Ng3 e6 8.Be2 exd5 
9.cxd5 a6 10.a4 Re8 11.Bf4 Qc7 12.Qd2 Nbd7 13.O-O b6 14.Bh6 Bh8 15.h3 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Hort, Vlastimil"]
[Black "Gasic, Bozidar"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2330"]
[ECO "D09"]
[EventDate "1972.03.20"]
[PlyCount "53"]
[Source "Perpetual Check"]

1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3 Be6 6.Nbd2 Qd7 7.Bg2 Nge7 8.O-O 
Ng6 9.Ng5 Ngxe5 10.Nxe6 Qxe6 11.Nf3 O-O-O 12.Qb3 Na5 13.Qb5 Nxf3+ 14.Bxf3 
Nc6 15.Bd5 Qd7 16.Rd1 a6 17.Qb3 Bc5 18.Qf3 Kb8 19.Bf4 f6 20.b4 Bd6 21.b5 
axb5 22.cxb5 Na5 23.Bd2 Bc5 24.Be4 b6 25.Rdc1 Bd6 26.Bxa5 bxa5 27.Rc6 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.26"]
[Round "6"]
[White "Bogdanovic, Rajko"]
[Black "Matulovic, Milan"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2530"]
[ECO "B47"]
[EventDate "1972.03.20"]
[PlyCount "68"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be2 a6 7.f4 b5 8.Nxc6 
Qxc6 9.Bf3 Bb7 10.e5 Qc7 11.Be3 Bb4 12.O-O Bxc3 13.bxc3 Ne7 14.Bxb7 Qxb7 
15.a4 Nf5 16.Bf2 O-O 17.Qd3 Qc6 18.Rfd1 h5 19.h3 Rfc8 20.Ra3 bxa4 21.Qxd7 
Qe4 22.Qd2 Rc4 23.g3 Rac8 24.Re1 Qc6 25.Rea1 Rc7 26.Rxa4 Rxa4 27.Rxa4 Rd7 
28.Rxa6 Qb7 29.Rb6 Qc7 30.Qe2 Nxg3 31.Qf3 h4 32.Qc6 Ne2+ 33.Kh2 Nxf4 34.
Qxc7 Rxc7 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Matulovic, Milan"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2615"]
[ECO "C72"]
[EventDate "1972.03.20"]
[PlyCount "36"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.d4 Nf6 7.c3 g6 8.Re1 b5 9.
Bb3 Bg7 10.h3 O-O 11.Bg5 h6 12.Bh4 Qc8 13.a4 Nh5 14.axb5 axb5 15.Rxa8 Qxa8
16.dxe5 Nxe5 17.Nxe5 Bxe5 18.Nd2 Bc6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Gasic, Bozidar"]
[Black "Bogdanovic, Rajko"]
[Result "1/2-1/2"]
[WhiteElo "2330"]
[BlackElo "2435"]
[ECO "A05"]
[EventDate "1972.03.20"]
[PlyCount "135"]
[Source "Perpetual Check"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d5 6.d3 a5 7.a4 Nc6 8.Nbd2 d4 
9.c3 e5 10.cxd4 exd4 11.O-O Nd5 12.Rc1 Ndb4 13.Nc4 Re8 14.Re1 Be6 15.Qd2 
h6 16.Ba3 b6 17.Red1 Rc8 18.e3 Nd5 19.Bb2 Ndb4 20.exd4 Nxd4 21.Bxd4 Bxd4 
22.Qxh6 Bg4 23.Qf4 Bxf3 24.Qxf3 Re6 25.Ne3 Rf6 26.Qe2 Qe7 27.Be4 Rd8 28.
Re1 Rfd6 29.Qg4 c5 30.h4 Qe6 31.Qd1 Na2 32.Rc4 Nc3 33.Qc2 f5 34.Bf3 Qf6 
35.Kg2 Kg7 36.Rc1 Bxe3 37.fxe3 Nd5 38.Bxd5 Rxd5 39.Rc3 Qd6 40.Rd1 Re8 41.
Qf2 Re4 42.Qf3 Qe5 43.dxe4 fxe4 44.Qf4 Qxf4 45.exf4 Rxd1 46.Re3 Rd2+ 47.
Kf1 Rd4 48.Ke2 Kf6 49.g4 Rb4 50.Rc3 Ke6 51.Rh3 Kf6 52.h5 gxh5 53.gxh5 Kg7 
54.h6+ Kh7 55.f5 b5 56.axb5 Rxb5 57.Kd2 c4 58.bxc4 Rxf5 59.Rc3 Rf2+ 60.Ke1
Rf3 61.Rc2 a4 62.c5 a3 63.c6 a2 64.Rxa2 Rc3 65.Ra6 Kxh6 66.Kd2 Rc4 67.Ke3 
Kg5 68.Ra5+ 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Petrosian, Tigran"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2605"]
[ECO "A13"]
[EventDate "1972.03.20"]
[PlyCount "51"]
[Source "Perpetual Check"]

1.Nf3 c5 2.b3 d5 3.e3 Nf6 4.Bb2 e6 5.c4 Nc6 6.cxd5 exd5 7.Be2 Be7 8.O-O 
O-O 9.d4 Bg4 10.dxc5 Bxc5 11.Nc3 Rc8 12.Rc1 Be7 13.Nd4 Bxe2 14.Ncxe2 Qd7 
15.Nf4 Rfd8 16.Qd3 Ne4 17.Nxc6 bxc6 18.Rc2 Bf8 19.Rfc1 Qb7 20.Qe2 Re8 21.
Qg4 g6 22.Qd1 Bd6 23.Nxd5 Rcd8 24.Rxc6 Bb8 25.f4 Re6 26.Qd4 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Ivanovic, Bozidar"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[BlackElo "2525"]
[ECO "B99"]
[EventDate "1972.03.20"]
[PlyCount "86"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 
9.Bh4 Nbd7 10.O-O-O Qc7 11.Bd3 g5 12.fxg5 Ne5 13.Qe2 Nfg4 14.h3 hxg5 15.
Bg3 Nf6 16.Rhf1 Bd7 17.Nf3 Nh5 18.Bh2 f6 19.Nd4 O-O-O 20.Kb1 Kb8 21.Qe3 
Qc5 22.Bg1 Nf4 23.Nce2 Nexd3 24.cxd3 e5 25.Rc1 exd4 26.Nxd4 Nxg2 27.Qf2 
Nf4 28.Rxc5 dxc5 29.Nb3 Bb5 30.Ka1 Nxd3 31.Qf5 Nf4 32.Bh2 Bxf1 33.Bxf4+ 
Ka8 34.Bc1 Bxh3 35.Qf2 Be6 36.Kb1 Rh1 37.Kc2 Bg4 38.Be3 Bd1+ 39.Kc3 Rh3 
40.Nc1 f5 41.exf5 Bf6+ 42.Kc4 Rh4+ 43.Kxc5 Be7+ 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Tatai, Stefano"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2450"]
[ECO "C08"]
[EventDate "1972.03.20"]
[PlyCount "31"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nf6 5.exd5 exd5 6.Bb5+ Bd7 7.Qe2+ Be7 8.
O-O O-O 9.dxc5 Re8 10.Nb3 Bxc5 11.Qd3 a6 12.Bxd7 Nbxd7 13.Bg5 Qb6 14.Bxf6 
Nxf6 15.Nxc5 Qxc5 16.Rfe1 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Rajkovic, Dusan"]
[Black "Bukal, Vladimir"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2440"]
[ECO "D45"]
[EventDate "1972.03.20"]
[PlyCount "81"]
[Source "Perpetual Check"]

1.c4 Nf6 2.Nc3 c6 3.d4 d5 4.Nf3 e6 5.e3 Nbd7 6.b3 Bd6 7.Be2 O-O 8.Qc2 e5 
9.cxd5 Nxd5 10.Bb2 Nxc3 11.Bxc3 exd4 12.Nxd4 Nf6 13.O-O Nd5 14.Bb2 Qg5 15.
f4 Qe7 16.Rf3 Ba3 17.Bxa3 Qxa3 18.e4 Nb6 19.Qc3 Qe7 20.Rg3 g6 21.Re3 Rd8 
22.Nc2 Re8 23.Rf1 Bd7 24.a4 Rad8 25.a5 Nc8 26.e5 Bf5 27.Nd4 Nd6 28.Rg3 Ne4
29.Nxf5 Qf8 30.Qe3 Nxg3 31.Nxg3 Qb4 32.Ne4 Kg7 33.Bc4 Qxa5 34.Nf6 Rh8 35.
Qg3 Rd2 36.f5 Rhd8 37.Nh5+ Kh8 38.fxg6 fxg6 39.Qg5 Qc5+ 40.Kh1 Rf8 41.
Rxf8+ 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Kosanski, Stanko"]
[Black "Minic, Dragoljub"]
[Result "1-0"]
[BlackElo "2490"]
[ECO "B56"]
[EventDate "1972.03.20"]
[PlyCount "85"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nbd7 6.Be3 a6 7.f4 g6 8.Be2 
Bg7 9.g4 Nc5 10.e5 dxe5 11.Nf3 Qxd1+ 12.Rxd1 Ncd7 13.g5 Ng4 14.Bg1 exf4 
15.Nd5 O-O 16.Nxe7+ Kh8 17.Nxc8 Raxc8 18.Rxd7 Rxc2 19.Nd4 Rc1+ 20.Kd2 Ne5 
21.Kxc1 Nxd7 22.Nf3 Re8 23.Bd1 Ne5 24.Bd4 Rc8+ 25.Kb1 Nc4 26.Bxg7+ Kxg7 
27.Bb3 Na5 28.Rd1 Nxb3 29.axb3 h6 30.h4 hxg5 31.hxg5 Re8 32.Rd4 Re3 33.
Rxf4 Rxb3 34.Ne5 Rg3 35.Nxf7 b5 36.Nd8 a5 37.Ne6+ Kh7 38.Rf7+ Kh8 39.Ra7 
a4 40.Rb7 Rb3 41.Ka2 Kg8 42.Rg7+ Kh8 43.Rxg6 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.27"]
[Round "7"]
[White "Vukic, Milan"]
[Black "Basagic, Zlatko"]
[Result "1-0"]
[WhiteElo "2430"]
[ECO "A30"]
[EventDate "1972.03.20"]
[PlyCount "79"]
[Source "Perpetual Check"]

1.Nf3 c5 2.c4 Nf6 3.g3 d5 4.Bg2 Nc6 5.O-O e5 6.cxd5 Nxd5 7.Nc3 Nc7 8.d3 
Be7 9.Be3 O-O 10.Rc1 Bd7 11.Nd2 b6 12.Nc4 f6 13.f4 exf4 14.gxf4 f5 15.Bf2 
Rb8 16.e3 b5 17.Nd2 Nb4 18.Nf3 Bc6 19.Ne5 Bxg2 20.Kxg2 Qe8 21.d4 Rd8 22.
Qf3 Bd6 23.Bh4 Rb8 24.a3 cxd4 25.exd4 Bxe5 26.dxe5 Nc6 27.Ne2 Rb6 28.Bf2 
Ra6 29.Rfd1 Ne6 30.Rd6 Nb8 31.Rxa6 Nxa6 32.Bxa7 Qd7 33.Bf2 Nac7 34.Rc6 Qd2
35.Bb6 Qd7 36.Bxc7 Nxc7 37.Rd6 Qf7 38.Nd4 Qa2 39.Qb3+ Qxb3 40.Nxb3 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Keres, Paul"]
[Black "Basagic, Zlatko"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[ECO "C65"]
[EventDate "1972.03.20"]
[PlyCount "54"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.Nxe5 Nxe4 6.Qe2 Nxe5 7.d4 Be7 8.
dxe5 Nc5 9.Qg4 O-O 10.Bh6 Ne6 11.Nc3 f5 12.exf6 Rxf6 13.Bd2 d5 14.Qh5 c6 
15.Bd3 g6 16.Qh6 Bf8 17.Qh4 Be7 18.Rae1 Rf4 19.Qh3 Nc5 20.Qg3 Rf7 21.Ne2 
Bd6 22.Qe3 Nxd3 23.Qxd3 Bf5 24.Qc3 Qh4 25.h3 Raf8 26.Qd4 Qxd4 27.Nxd4 Bd7 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Minic, Dragoljub"]
[Black "Vukic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2430"]
[ECO "B14"]
[EventDate "1972.03.20"]
[PlyCount "120"]
[Source "Perpetual Check"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6 6.cxd5 Nxd5 7.Bb5+ Bd7 8.Qb3
Nb6 9.Nf3 Bg7 10.a4 a5 11.Bxd7+ N8xd7 12.O-O O-O 13.Bf4 Nf6 14.Be5 Ra6 15.
Rfe1 Nfd5 16.Bxg7 Kxg7 17.Rac1 e6 18.Nb5 Nd7 19.Ne5 Nxe5 20.dxe5 Rc6 21.
Rxc6 bxc6 22.Nd6 Qc7 23.Rc1 Rb8 24.Qf3 Kg8 25.g3 f5 26.Qe2 Rb4 27.Qa6 Ne7 
28.Rc5 Rxb2 29.Qc4 Nd5 30.Rxc6 Qa7 31.Qc5 Qxc5 32.Rxc5 f4 33.Kg2 fxg3 34.
hxg3 Nb6 35.Rxa5 Ra2 36.Ra6 Nxa4 37.Ra8+ Kg7 38.Ra7+ Kf8 39.Rxh7 Nc5 40.
Rf7+ Kg8 41.Rf6 Re2 42.Rxg6+ Kh7 43.Rg5 Nd3 44.Kf3 Rxe5 45.Rxe5 Nxe5+ 46.
Ke4 Nd7 47.Kf4 Kg6 48.Nc4 Kf6 49.Kg4 Kg6 50.Kh4 Kf5 51.g4+ Kf4 52.g5 Nf8 
53.Kh5 e5 54.Ne3 Kf3 55.Ng4 e4 56.Nf6 Ne6 57.g6 Nf4+ 58.Kh6 Nxg6 59.Kxg6 
Kxf2 60.Nxe4+ Ke3 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Bukal, Vladimir"]
[Black "Kosanski, Stanko"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[ECO "C99"]
[EventDate "1972.03.20"]
[PlyCount "29"]
[Source "Perpetual Check"]

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.Nf1 Rac8 15.Bd3 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Jansa, Vlastimil"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2410"]
[ECO "B44"]
[EventDate "1972.03.20"]
[PlyCount "107"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 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 Qc7 14.f3 Ned7 15.
Rfd1 Rac8 16.Qd2 Qb8 17.Kh1 Rfe8 18.Bf1 h6 19.Nc2 Bf8 20.Bf4 Ne5 21.Qd4 
Nxf3 22.gxf3 e5 23.Qxb6 exf4 24.Qd4 Re5 25.Qd2 Nh5 26.Nd4 Rce8 27.Nd5 g6 
28.Bh3 Bg7 29.Bd7 Rf8 30.Rc2 Qd8 31.Bg4 Nf6 32.Qxf4 Nxg4 33.Qxg4 Rh5 34.
Rg2 Bc8 35.Qxc8 Qxc8 36.Ne7+ Kh7 37.Nxc8 Rxc8 38.b3 Be5 39.Rgd2 Rh3 40.Rf1
Bf4 41.Rg2 a5 42.Ne2 Be3 43.Nc3 Bc5 44.Nd5 Kg7 45.Re2 Rh5 46.f4 Rh3 47.Rd1
Re8 48.Kg2 Rh5 49.Rde1 f6 50.Kg3 g5 51.h3 Kf7 52.Rf1 Bd4 53.Kg2 Rg8 54.Rf3
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Szabo, Laszlo"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2440"]
[ECO "A30"]
[EventDate "1972.03.20"]
[PlyCount "63"]
[Source "Perpetual Check"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qf4 O-O 10.Rd1 d6 11.b3 Qd7 12.Bb2 Rfd8 13.Bh3 Qe8 14.Nb5 Qf8 15.Nc7
e5 16.Qd2 Rab8 17.Nd5 Nxd5 18.cxd5 Na5 19.Bc3 Ba6 20.e4 Nb7 21.b4 Bb5 22.
Rdc1 Bd7 23.Bxd7 Rxd7 24.Bb2 Rc8 25.Rc6 Rb8 26.Rac1 Nd8 27.Rc8 Rdb7 28.
R1c7 Rxc8 29.Rxc8 Qe8 30.Qc2 Qd7 31.Qc6 g6 32.Bxe5 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Hort, Vlastimil"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2605"]
[ECO "E74"]
[EventDate "1972.03.20"]
[PlyCount "109"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 h6 8.Bf4 e5 9.
Be3 Qa5 10.Bd2 Kh7 11.h4 Qd8 12.g4 Ne8 13.Nf3 Na6 14.h5 g5 15.Nh2 Nac7 16.
Nf1 Rb8 17.a3 Bd7 18.Ne3 Rg8 19.b4 b6 20.Bd3 Nf6 21.Rb1 Re8 22.Kf1 Qc8 23.
Rg1 Kh8 24.Rg3 Bf8 25.Kg1 a6 26.Rg2 b5 27.f3 bxc4 28.Nxc4 Nb5 29.Ne2 cxb4 
30.Bxb4 Qc7 31.Kh1 Rec8 32.Qg1 Rb7 33.Rb2 Qb8 34.Qe3 Kg8 35.Rg1 Ne8 36.
Rgb1 Nd4 37.Bc3 Rxb2 38.Rxb2 Qc7 39.Ba5 Qa7 40.Bb6 Qa8 41.Nxd4 exd4 42.
Bxd4 Bg7 43.Bxg7 Kxg7 44.a4 Rc7 45.Kg2 Qd8 46.Qd4+ Kg8 47.Nb6 a5 48.Nxd7 
Rxd7 49.Rb6 Rc7 50.Qb2 Rc8 51.Rb7 Rc7 52.Qb6 Qe7 53.Rb8 Rc5 54.Qd8 Kf8 55.
Bb5 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Bogdanovic, Rajko"]
[Black "Petrosian, Tigran"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2640"]
[ECO "C16"]
[EventDate "1972.03.20"]
[PlyCount "74"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.Qg4 Bf8 6.a3 Ne7 7.Nf3 Qd7 8.b4 c6 9.
Rb1 Nf5 10.Bd3 Ba6 11.b5 cxb5 12.Nxb5 Nc6 13.O-O h5 14.Qf4 g6 15.h4 Be7 
16.g3 Kf8 17.Rd1 Rc8 18.Kg2 Na5 19.a4 Nc4 20.Nd2 Bb7 21.Nxc4 dxc4+ 22.Be4 
Kg7 23.Nc3 Rhd8 24.a5 Bxe4+ 25.Qxe4 bxa5 26.d5 exd5 27.Rxd5 Qe6 28.Bg5 
Rxd5 29.Qxd5 Bxg5 30.hxg5 Re8 31.Qxe6 Rxe6 32.f4 Rb6 33.Ra1 Rb2 34.Nd5 
Rxc2+ 35.Kf3 Nd4+ 36.Ke4 Nb3 37.Ra4 Nc5+ 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.28"]
[Round "8"]
[White "Matulovic, Milan"]
[Black "Gasic, Bozidar"]
[Result "0-1"]
[WhiteElo "2530"]
[BlackElo "2330"]
[ECO "B96"]
[EventDate "1972.03.20"]
[PlyCount "76"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 
Qc7 9.O-O-O b5 10.e5 Bb7 11.Qh3 dxe5 12.Nxe6 fxe6 13.Qxe6+ Be7 14.Bxb5 
axb5 15.Nxb5 Qc6 16.Nd6+ Kd8 17.fxe5 Nd5 18.Bxe7+ Nxe7 19.Nxb7+ Qxb7 20.
Rxd7+ Qxd7 21.Rd1 Ra7 22.Qb6+ Kc8 23.Rxd7 Rxd7 24.Qa6+ Kb8 25.Qb6+ Rb7 26.
Qd6+ Ka8 27.Qa3+ Ra7 28.Qf3+ Kb8 29.Qb3+ Rb7 30.Qc4 Ng6 31.e6 Re8 32.b4 
Nf8 33.b5 Nxe6 34.a4 Rc7 35.Qh4 h6 36.a5 Rec8 37.Qg3 Nd4 38.b6 Ne2+ 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Gasic, Bozidar"]
[Black "Keres, Paul"]
[Result "0-1"]
[WhiteElo "2330"]
[BlackElo "2615"]
[ECO "D04"]
[EventDate "1972.03.20"]
[PlyCount "78"]
[Source "Perpetual Check"]

1.d4 Nf6 2.Nf3 c5 3.e3 d5 4.b3 cxd4 5.exd4 Nc6 6.Bb2 Bg4 7.Nbd2 e6 8.Bd3 
Bd6 9.h3 Bh5 10.O-O O-O 11.Re1 Nb4 12.g4 Nxd3 13.cxd3 Bg6 14.Ne5 Nd7 15.
Nxg6 hxg6 16.Nf3 Re8 17.Ne5 Nf8 18.Kg2 g5 19.Bc1 Rc8 20.Bd2 f6 21.Nf3 Ng6 
22.Rc1 Qd7 23.Re2 Ba3 24.Rxc8 Rxc8 25.Be3 Qc7 26.Bd2 Bc1 27.Be3 Ba3 28.Bd2
Kf7 29.Qe1 Bc1 30.Be3 Qc3 31.Qd1 Rc6 32.Re1 Ba3 33.Kf1 Qa5 34.Bxg5 fxg5 
35.Nxg5+ Kf6 36.Rxe6+ Kxg5 37.Qf3 Rc1+ 38.Kg2 Nh4+ 39.Kg3 Rg1+ 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Petrosian, Tigran"]
[Black "Matulovic, Milan"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2530"]
[ECO "A87"]
[EventDate "1972.03.20"]
[PlyCount "79"]
[Source "Perpetual Check"]

1.c4 g6 2.Nf3 Bg7 3.d4 f5 4.g3 Nf6 5.Bg2 O-O 6.O-O d6 7.d5 c5 8.Nc3 Na6 9.
Rb1 Bd7 10.b3 Nc7 11.a4 a6 12.b4 cxb4 13.Rxb4 Rb8 14.Qb3 Ne4 15.Nxe4 fxe4 
16.Ng5 a5 17.Rb6 Na6 18.Be3 Nc5 19.Bxc5 dxc5 20.Ne6 Bxe6 21.Rxe6 Rf6 22.
Bxe4 Qc7 23.f4 Qd7 24.Bf3 Rxe6 25.dxe6 Qd4+ 26.Kg2 Qc3 27.Qxc3 Bxc3 28.Rd1
Kf8 29.Rd7 b6 30.Bd5 Ke8 31.e4 h6 32.Kf3 Kf8 33.e5 g5 34.Ke4 gxf4 35.gxf4 
Ke8 36.f5 Rc8 37.Rb7 Rd8 38.f6 exf6 39.Bc6+ Kf8 40.e7+ 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Ivanovic, Bozidar"]
[Black "Bogdanovic, Rajko"]
[Result "1/2-1/2"]
[BlackElo "2435"]
[ECO "B56"]
[EventDate "1972.03.20"]
[PlyCount "145"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nbd7 6.Bd3 a6 7.Bg5 e6 8.f4 
Qb6 9.Nb3 h6 10.Bxf6 Qe3+ 11.Qe2 Qxe2+ 12.Bxe2 Nxf6 13.Bf3 e5 14.g3 Be7 
15.O-O-O Be6 16.Na5 O-O-O 17.Nd5 Bxd5 18.exd5 exf4 19.gxf4 Rd7 20.Nc4 Bd8 
21.a4 Re8 22.Rhe1 Rxe1 23.Rxe1 Kb8 24.Re3 Re7 25.Kd2 Rxe3 26.Kxe3 Kc7 27.
a5 Nd7 28.b4 Bf6 29.Kd3 g5 30.Bg4 Nf8 31.fxg5 Bxg5 32.Ke4 Ng6 33.Bh5 Bh4 
34.Bxg6 fxg6 35.Nb2 Be1 36.Nd3 Bc3 37.h3 Kd7 38.b5 Bxa5 39.bxa6 bxa6 40.c4
Bb6 41.Nf4 g5 42.Ne2 a5 43.Nc3 Ke7 44.Na4 Bc5 45.Kf5 Kf7 46.Nc3 Ba3 47.Na4
Bb4 48.Nb6 Bd2 49.Nc8 Bf4 50.Nb6 Be3 51.Na4 h5 52.Nc3 Ke7 53.Na4 g4 54.
hxg4 h4 55.Ke4 h3 56.Kf3 h2 57.Kg2 Bf4 58.c5 dxc5 59.Nxc5 Bd6 60.Na4 Kf6 
61.Nb2 Bg3 62.d6 Kg5 63.d7 Bc7 64.Nd3 Kxg4 65.Nc5 Kf5 66.Na6 Bb6 67.Nc5 
Ke5 68.Kxh2 Kd5 69.Na4 Bc7+ 70.Kg2 Kc4 71.Kf3 Kb4 72.Nb2 Kb3 73.Nd3 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Tatai, Stefano"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2605"]
[ECO "B06"]
[EventDate "1972.03.20"]
[PlyCount "99"]
[Source "Perpetual Check"]

1.e4 d6 2.d4 g6 3.f4 Bg7 4.Nf3 Bg4 5.c3 Nf6 6.h3 Bd7 7.Bd3 d5 8.e5 Ne4 9.
Bxe4 dxe4 10.Ng5 f6 11.Nxe4 Bc6 12.Qe2 O-O 13.O-O Qd5 14.Re1 Nd7 15.Na3 g5
16.Ng3 fxe5 17.fxe5 h6 18.Nc2 Nb6 19.Nb4 Qe6 20.Nxc6 Qxc6 21.Bd2 Qd5 22.
Qe4 Rad8 23.Rf1 Qxe4 24.Nxe4 Nc4 25.Rxf8+ Bxf8 26.Bc1 e6 27.b3 Nb6 28.Be3 
Nd5 29.Kf2 Ba3 30.Bd2 a5 31.Ke2 b6 32.Rf1 Be7 33.a4 Kg7 34.c4 Nb4 35.Bxb4 
Bxb4 36.Ke3 Ba3 37.Rf6 Bc1+ 38.Kd3 c5 39.d5 exd5 40.Nd6 dxc4+ 41.Kxc4 Bb2 
42.Nf5+ Kg8 43.Rd6 Re8 44.e6 h5 45.g4 hxg4 46.hxg4 Kh7 47.Rxb6 Kg6 48.e7+ 
Bf6 49.Re6 Kf7 50.Kd5 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Rajkovic, Dusan"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2525"]
[ECO "B87"]
[EventDate "1972.03.20"]
[PlyCount "36"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.f4 Bb7 
9.f5 e5 10.Nde2 Nbd7 11.Bg5 Be7 12.Bxf6 Nxf6 13.Qd3 Rc8 14.O-O Rc5 15.Nd5 
Bxd5 16.Bxd5 Nxd5 17.exd5 e4 18.Qxe4 O-O 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Kosanski, Stanko"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[BlackElo "2450"]
[ECO "B48"]
[EventDate "1972.03.20"]
[PlyCount "78"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6 6.Be3 Qc7 7.f4 b5 8.Nxc6 
Qxc6 9.e5 Bb7 10.Qd2 Rc8 11.O-O-O Bb4 12.Bd4 Ne7 13.a3 Bxc3 14.Bxc3 Nd5 
15.Be2 Nxc3 16.bxc3 Rc7 17.Kb2 O-O 18.Bf3 Qc5 19.Qd4 Qxd4 20.Rxd4 Bxf3 21.
gxf3 Rfc8 22.Rd3 Rc4 23.Rhd1 Rxf4 24.Rxd7 g5 25.Rd8+ Rxd8 26.Rxd8+ Kg7 27.
Rd6 Rxf3 28.Rxa6 Rf2 29.c4 bxc4 30.Rc6 Rxh2 31.Rxc4 h5 32.a4 Rh4 33.Rc3 
Rxa4 34.Re3 g4 35.Kb3 Ra8 36.c4 Kg6 37.c5 h4 38.Kb4 g3 39.Re1 g2 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Vukic, Milan"]
[Black "Bukal, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2440"]
[ECO "A12"]
[EventDate "1972.03.20"]
[PlyCount "120"]
[Source "Perpetual Check"]

1.Nf3 Nf6 2.g3 d5 3.c4 c6 4.b3 Bg4 5.Bb2 Nbd7 6.Bg2 e6 7.O-O Be7 8.d3 O-O 
9.Nbd2 a5 10.a3 b5 11.Qc2 Rc8 12.h3 Bh5 13.Rac1 b4 14.a4 h6 15.Rfe1 Nc5 
16.Qb1 Nfd7 17.cxd5 cxd5 18.Rc2 Qb6 19.Rec1 Qb7 20.Qa1 f6 21.Nd4 Bf7 22.
Nb5 Na6 23.Nc4 Qb8 24.Nd2 Rxc2 25.Rxc2 Rc8 26.Qc1 Nb6 27.Nd4 Bc5 28.h4 
Bxd4 29.Bxd4 Rxc2 30.Qxc2 Qc8 31.Qxc8+ Nxc8 32.f4 Kf8 33.e4 Ke7 34.exd5 
exd5 35.Kf2 Kd6 36.Bh3 Be6 37.Bf1 Nc5 38.Be2 Ne7 39.h5 Nc6 40.Ke3 Bf7 41.
f5 Nxd4 42.Kxd4 Nd7 43.g4 Nb8 44.Ke3 Nc6 45.d4 Be8 46.Bb5 Bd7 47.Nf3 Nb8 
48.Be2 Bc8 49.Nh4 Na6 50.Ng6 Nc7 51.Nf4 Bd7 52.Nd3 Bc8 53.Nc5 Kc6 54.Kf4 
Kd6 55.Ke3 Kc6 56.Kd2 Kb6 57.Bf1 Kc6 58.Ke3 Kb6 59.Bg2 Kc6 60.Kf3 Kd6 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.30"]
[Round "9"]
[White "Basagic, Zlatko"]
[Black "Minic, Dragoljub"]
[Result "1/2-1/2"]
[BlackElo "2490"]
[ECO "A65"]
[EventDate "1972.03.20"]
[PlyCount "42"]
[Source "Perpetual Check"]

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 b6 10.Bg5 h6 11.Bh4 Ba6 12.f4 Qc8 13.h3 Bxd3 14.Qxd3 Nbd7 15.Qc4 a6 
16.a4 Re8 17.Ng3 Nh7 18.Nge2 Rb8 19.Ra3 Qb7 20.Qa2 Qc8 21.Qc4 Qb7 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Keres, Paul"]
[Black "Minic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2490"]
[ECO "A10"]
[EventDate "1972.03.20"]
[PlyCount "82"]
[Source "Perpetual Check"]

1.c4 g6 2.Nc3 Bg7 3.Nf3 c5 4.e3 Nf6 5.d4 O-O 6.Be2 cxd4 7.exd4 d5 8.O-O 
Nc6 9.Be3 dxc4 10.Bxc4 Ng4 11.Ne4 Na5 12.Bd3 Be6 13.Qe2 b6 14.Ba6 Bd5 15.
Bf4 Nf6 16.Nxf6+ exf6 17.Rfd1 Re8 18.Qd3 Bf8 19.Qc3 Bd6 20.Bg3 Bxg3 21.
hxg3 Re7 22.Rac1 Nb7 23.Nd2 Nd6 24.Nf1 Ne4 25.Qa3 Qd6 26.Qxd6 Nxd6 27.b3 
Rd8 28.Ne3 Be4 29.Rc3 Bb7 30.Bxb7 Rxb7 31.d5 Rbd7 32.Kf1 Kg7 33.g4 f5 34.
gxf5 Nxf5 35.Nxf5+ gxf5 36.Rcd3 Kf6 37.f4 Rc8 38.Ke2 Rc2+ 39.R1d2 Rc1 40.
d6 Rc6 41.Rd5 Ke6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Bukal, Vladimir"]
[Black "Basagic, Zlatko"]
[Result "0-1"]
[WhiteElo "2440"]
[ECO "A20"]
[EventDate "1972.03.20"]
[PlyCount "74"]
[Source "Perpetual Check"]

1.g3 e5 2.Bg2 Nf6 3.c4 c6 4.Qa4 Be7 5.Nf3 d6 6.d4 Nbd7 7.Nc3 O-O 8.Qc2 Re8
9.O-O Bf8 10.Rd1 a6 11.a4 e4 12.Ng5 d5 13.cxd5 cxd5 14.f3 exf3 15.Bxf3 h6 
16.Nh3 Qa5 17.Nf4 Nb6 18.Qb3 Be6 19.Nxe6 Rxe6 20.Bf4 Bd6 21.Bd2 Qb4 22.
Qxb4 Bxb4 23.Be1 g5 24.h3 Bxc3 25.Bxc3 Ne4 26.Be1 Rc8 27.Bg4 Rc2 28.Bxe6 
fxe6 29.Kf1 Nc4 30.Bf2 Ned2+ 31.Kg2 Nb3 32.Ra2 a5 33.Kf3 h5 34.Be3 g4+ 35.
hxg4 hxg4+ 36.Kf2 Nxb2 37.Kf1 Nxd1 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Jansa, Vlastimil"]
[Black "Vukic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2430"]
[ECO "A49"]
[EventDate "1972.03.20"]
[PlyCount "100"]
[Source "Perpetual Check"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d6 6.d4 Nc6 7.O-O e5 8.dxe5 Ng4
9.c4 Re8 10.Nc3 Ngxe5 11.Nxe5 dxe5 12.Bxc6 bxc6 13.Qxd8 Rxd8 14.Rfd1 Bf5 
15.Na4 f6 16.Bc3 Bf8 17.Ba5 Rxd1+ 18.Rxd1 Rc8 19.f3 Kf7 20.Kf2 Ke8 21.e4 
Bd7 22.Ke2 Bd6 23.Bd2 a6 24.Be3 Rb8 25.Bc5 Ke7 26.Ke3 h5 27.Bxd6+ cxd6 28.
c5 dxc5 29.Nxc5 Bc8 30.Kd3 a5 31.a3 f5 32.Kc4 fxe4 33.fxe4 Bg4 34.Rd2 g5 
35.Kc3 Bh3 36.Nd3 Ke6 37.Nc5+ Ke7 38.Nd3 Ke6 39.Nb2 Bf1 40.Rf2 Bb5 41.Rf5 
Rd8 42.Rxg5 Rd4 43.a4 Be2 44.Nc4 Bxc4 45.bxc4 h4 46.Rg6+ Kd7 47.gxh4 Rxe4 
48.h5 Rh4 49.h6 Rxh2 50.Kd3 Rh4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Szabo, Laszlo"]
[Black "Kosanski, Stanko"]
[Result "1-0"]
[WhiteElo "2525"]
[ECO "A75"]
[EventDate "1972.03.20"]
[PlyCount "81"]
[Source "Perpetual Check"]

1.Nf3 g6 2.d4 Bg7 3.c4 Nf6 4.Nc3 c5 5.d5 d6 6.e4 O-O 7.Be2 e6 8.Bf4 exd5 
9.cxd5 a6 10.a4 Bg4 11.O-O Re8 12.Nd2 Bxe2 13.Qxe2 Nh5 14.Be3 Nd7 15.g4 
Nhf6 16.h3 h5 17.g5 Nh7 18.f4 Bd4 19.Kh1 Bxe3 20.Qxe3 b6 21.Nc4 Qc7 22.e5 
dxe5 23.fxe5 Nxe5 24.Qf4 Nxg5 25.Rae1 f6 26.Nxe5 Rxe5 27.Qxf6 Rxe1 28.Rxe1
Nh7 29.Qxg6+ Kh8 30.Rg1 Rf8 31.d6 Qd7 32.Kh2 Rf2+ 33.Rg2 Rxg2+ 34.Kxg2 Nf8
35.Qxh5+ Kg7 36.Qe5+ Kf7 37.Ne4 Nh7 38.Qh5+ Kf8 39.Qh6+ Ke8 40.Qxh7 Qxh7 
41.Nf6+ 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Hort, Vlastimil"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2410"]
[ECO "B52"]
[EventDate "1972.03.20"]
[PlyCount "47"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Qg4 6.O-O Qxe4 7.d4 cxd4 8.
Nxd4 Nf6 9.Nc3 Qg4 10.Qa4+ Qd7 11.Ndb5 Nc6 12.Bg5 a6 13.Nd5 Rc8 14.Nb6 Qg4
15.Nxc8 Qxg5 16.Nba7 Qa5 17.Qxa5 Nxa5 18.Rfc1 e6 19.b4 Nc6 20.Nxc6 bxc6 
21.b5 Kd7 22.bxa6 Be7 23.Nb6+ Kc7 24.Rab1 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Bogdanovic, Rajko"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2440"]
[ECO "B93"]
[EventDate "1972.03.20"]
[PlyCount "74"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 Nbd7 7.f4 g6 8.Be3 
Bg7 9.g4 e5 10.Nb3 d5 11.exd5 exf4 12.Bxf4 Nb6 13.d6 Nxg4 14.O-O Ne5 15.
Ne4 O-O 16.Nbc5 h6 17.a4 Nbd7 18.Qd5 Nxc5 19.Nxc5 Bh3 20.Rfd1 Nd7 21.Nxd7 
Qxd7 22.Bf3 Rab8 23.c3 Rfe8 24.Re1 Rxe1+ 25.Rxe1 Qxa4 26.Re4 Qa1+ 27.Kf2 
Qf1+ 28.Kg3 g5 29.Be3 Be6 30.Rxe6 fxe6 31.Qxe6+ Kh8 32.d7 Rf8 33.Qd5 Bf6 
34.Bd4 Qe1+ 35.Kg2 Qd2+ 36.Kh3 g4+ 37.Bxg4 Qd3+ 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Matulovic, Milan"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[ECO "C72"]
[EventDate "1972.03.20"]
[PlyCount "148"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Ne7 6.c3 Ng6 7.d4 Bd7 8.Be3 Be7 
9.Nbd2 h6 10.d5 Nb8 11.c4 Bg5 12.Nxg5 hxg5 13.c5 Nf4 14.Bxf4 gxf4 15.Rc1 
Kf8 16.Qb3 Ra7 17.Rc3 Kg8 18.cxd6 cxd6 19.Bxd7 Nxd7 20.Qa3 Rh6 21.Rfc1 Ra8
22.Nc4 Qh4 23.h3 Qg5 24.f3 Rg6 25.R3c2 Qe7 26.Nd2 Qd8 27.Nf1 Qb6+ 28.Kh1 
a5 29.Nh2 Nc5 30.Ng4 Rg5 31.Qc3 f5 32.exf5 Rxf5 33.Nf2 Raf8 34.Qc4 R5f7 
35.b3 Rc7 36.Qe2 Rfc8 37.Kh2 Na6 38.Ne4 Qe3 39.Rxc7 Rxc7 40.Qxe3 fxe3 41.
Re1 Nb4 42.Rxe3 Nxa2 43.Nxd6 Rd7 44.Nc8 Rd8 45.Nb6 Rd6 46.Nc8 Rd8 47.Ne7+ 
Kf7 48.Rxe5 Nc1 49.d6 b6 50.Rb5 Rxd6 51.Nd5 Ne2 52.Nxb6 Nd4 53.Rd5 Nxf3+ 
54.Kg3 Rxb6 55.Kxf3 Rxb3+ 56.Kf4 Ra3 57.Rd7+ Kf6 58.Rd6+ Kf7 59.h4 Ra1 60.
Ra6 Kg8 61.Kg5 Kh7 62.h5 Rg1 63.g4 Rb1 64.Rxa5 Rb6 65.Ra4 Rb5+ 66.Kh4 Rb1 
67.g5 Rh1+ 68.Kg4 Rg1+ 69.Kf5 Rf1+ 70.Rf4 Rh1 71.Re4 Rf1+ 72.Ke6 Rh1 73.
Re5 Rxh5 74.Kf7 Rh1 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.03.31"]
[Round "10"]
[White "Gasic, Bozidar"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2330"]
[BlackElo "2640"]
[ECO "B81"]
[EventDate "1972.03.20"]
[PlyCount "82"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 a6 7.g5 Nfd7 8.Be3 b5 
9.Bg2 Bb7 10.a4 b4 11.Na2 Nc5 12.f3 a5 13.c3 bxc3 14.Nxc3 Be7 15.h4 Nba6 
16.Qe2 O-O 17.Rd1 Qe8 18.Ndb5 Rd8 19.Kf2 f6 20.gxf6 Bxf6 21.Kg1 Qe7 22.h5 
Be5 23.h6 g6 24.Qd2 Nb4 25.Bg5 Bf6 26.Bxf6 Qxf6 27.Nxd6 Bc6 28.Qe3 Nxa4 
29.Nxa4 Bxa4 30.b3 Qe5 31.bxa4 Rxd6 32.Rxd6 Qxd6 33.Qa7 Qe5 34.Qd7 Nc2 35.
Kf2 Qc5+ 36.Kg3 Qg5+ 37.Kf2 Qe3+ 38.Kg3 Qg5+ 39.Kf2 Qc5+ 40.Kg3 Qe5+ 41.
Kf2 Qc5+ 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Petrosian, Tigran"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2615"]
[ECO "D56"]
[EventDate "1972.03.20"]
[PlyCount "32"]
[Source "Perpetual Check"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 O-O 7.e3 Ne4 8.Bxe7 
Qxe7 9.Rc1 c6 10.Bd3 Nxc3 11.bxc3 Nd7 12.O-O e5 13.dxe5 dxc4 14.Bxc4 Nxe5 
15.Nxe5 Qxe5 16.Qd4 Qe7 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Ivanovic, Bozidar"]
[Black "Gasic, Bozidar"]
[Result "1/2-1/2"]
[BlackElo "2330"]
[ECO "B85"]
[EventDate "1972.03.20"]
[PlyCount "149"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Nc6 7.Be3 Be7 8.O-O 
Qc7 9.f4 a6 10.Qe1 O-O 11.Qg3 Kh8 12.Kh1 Bd7 13.Rae1 b5 14.a3 Rab8 15.Bd3 
b4 16.axb4 Nxb4 17.Bc1 Nxd3 18.cxd3 Rb4 19.Nde2 g6 20.Qh3 Qd8 21.g4 Bc6 
22.g5 Nh5 23.Ng3 Nxg3+ 24.hxg3 f5 25.gxf6 Rxf6 26.g4 Rf7 27.Re2 d5 28.Kh2 
dxe4 29.dxe4 Rd4 30.Rff2 Rd3 31.Re3 Rd7 32.Ree2 Bc5 33.Be3 Rd3 34.g5 Qe7 
35.Qg3 Bd6 36.Rd2 Rxd2 37.Bxd2 e5 38.f5 gxf5 39.Rxf5 Rxf5 40.exf5 Qf7 41.
Qh3 Kg8 42.Be3 Qb3 43.Qh6 Qxb2+ 44.Kh3 Qg2+ 45.Kh4 Qh1+ 46.Kg3 Qf3+ 47.Kh4
Qh1+ 48.Kg3 Qxh6 49.gxh6 Kf7 50.Bc1 a5 51.Kg4 a4 52.Nb1 Be4 53.Nc3 Bc2 54.
Kf3 Bc5 55.Ne4 Bd1+ 56.Kg3 Be7 57.Bb2 Bc2 58.Kf3 Bxe4+ 59.Kxe4 Bd6 60.Kd5 
Bc7 61.Kc6 e4 62.Kb5 Bf4 63.Kxa4 Bxh6 64.Kb3 Bg7 65.Bc1 Kf6 66.Bb2+ Kf7 
67.Bc1 Be5 68.Bg5 Kg7 69.Kc4 h6 70.Bh4 Bf6 71.Kd5 e3 72.Ke4 Bxh4 73.f6+ 
Kxf6 74.Kxe3 Kf5 75.Kf3 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Tatai, Stefano"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2530"]
[ECO "B31"]
[EventDate "1972.03.20"]
[PlyCount "63"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.Bxc6 dxc6 7.d3 f6 8.Be3 b6
9.a4 Nh6 10.a5 Be6 11.axb6 axb6 12.Rxa8 Qxa8 13.b4 Ng4 14.Bd2 cxb4 15.Bxb4
c5 16.Bd2 b5 17.h3 Nh6 18.Be3 Qc6 19.Qc1 Nf7 20.Qa3 Bf8 21.Qa7 Bd6 22.Nbd2
O-O 23.Ra1 Rc8 24.Ra6 Qd7 25.c4 Qxa7 26.Rxa7 b4 27.Ne1 f5 28.f3 f4 29.Bf2 
Nd8 30.Ra6 Be7 31.Nb3 Bf7 32.g4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Rajkovic, Dusan"]
[Black "Bogdanovic, Rajko"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2435"]
[ECO "A12"]
[EventDate "1972.03.20"]
[PlyCount "54"]
[Source "Perpetual Check"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 d5 4.c4 c6 5.e3 Bg7 6.Be2 O-O 7.O-O a5 8.a3 Nbd7 
9.d3 Re8 10.Qc2 e5 11.Rd1 Qe7 12.Nc3 e4 13.Nd4 dxc4 14.dxc4 h5 15.Na4 Qd8 
16.b4 Qe7 17.Bc3 axb4 18.axb4 Ne5 19.h3 Nh7 20.Nb6 Rxa1 21.Rxa1 Bxh3 22.
gxh3 Ng5 23.Kg2 Nef3 24.Bxf3 exf3+ 25.Kf1 Qc7 26.Nf5 Qh2 27.Ke1 Ne4 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Kosanski, Stanko"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[BlackElo "2605"]
[ECO "B57"]
[EventDate "1972.03.20"]
[PlyCount "84"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6 7.Nb3 e6 8.Be3 
Qc7 9.f4 Be7 10.g4 Nxe4 11.Nxe4 d5 12.Bd3 dxe4 13.Bxe4 Bh4+ 14.Kf1 Be7 15.
Qf3 Bd7 16.Kg2 O-O 17.Rad1 Rfd8 18.Qh3 g6 19.c3 Bf6 20.Qf3 Bg7 21.g5 Ne7 
22.h4 Bc6 23.Nd4 Bxe4 24.Qxe4 Qc4 25.Qxb7 Nd5 26.Bc1 Rab8 27.Qc6 Qxa2 28.
Nxe6 fxe6 29.Qxe6+ Kh8 30.Kg3 Nxc3 31.Rxd8+ Rxd8 32.Qe7 Rd3+ 33.Kh2 Qa4 
34.Rg1 Ne4 35.Be3 Qc2+ 36.Rg2 Qc6 37.Re2 h5 38.gxh6 Bxh6 39.h5 Nf6 40.hxg6
Ng4+ 41.Kg3 Qxg6 42.Kh4 Nf6 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Vukic, Milan"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2525"]
[ECO "A31"]
[EventDate "1972.03.20"]
[PlyCount "76"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nf3 Bg7 5.g3 d6 6.Bg2 b5 7.cxb5 Qa5+ 8.Nfd2 
Qxb5 9.Nc3 Qa6 10.O-O O-O 11.b3 Nbd7 12.Bb2 Nb6 13.Qc2 Bd7 14.Rab1 Rfc8 
15.Rfc1 Rab8 16.e4 e6 17.Bf1 Qb7 18.dxe6 Bxe6 19.Nb5 Qe7 20.Nxd6 Qxd6 21.
e5 Qe7 22.exf6 Bxf6 23.Ne4 Bd4 24.Re1 Nd5 25.Qd2 Bxb2 26.Qxb2 c4 27.Qe5 
cxb3 28.axb3 Qc7 29.Qd4 Qb6 30.Qd2 Qb4 31.Qh6 Qf8 32.Qh4 Bf5 33.Ra1 Rxb3 
34.Rxa7 Bxe4 35.Rxe4 Rb1 36.Kg2 Rb2 37.Re2 Rxe2 38.Bxe2 Qc5 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Basagic, Zlatko"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[BlackElo "2450"]
[ECO "B30"]
[EventDate "1972.03.20"]
[PlyCount "92"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d3 g6 4.g3 Bg7 5.Bg2 e5 6.O-O Nge7 7.Nh4 d5 8.Nc3 d4 
9.Ne2 Be6 10.f4 Qd7 11.Nf3 f6 12.fxe5 fxe5 13.Ng5 Bg8 14.h4 h6 15.Bh3 Qd6 
16.Nf3 Bf7 17.Bd2 O-O 18.g4 c4 19.a3 b5 20.Ng3 a5 21.Qc1 Kh7 22.h5 c3 23.
bxc3 dxc3 24.Be3 Nd4 25.Nxd4 exd4 26.Bf4 Be5 27.hxg6+ Bxg6 28.Nf5 Bxf5 29.
gxf5 Rf6 30.Rb1 Rb8 31.Bxe5 Qxe5 32.Qf4 Nc6 33.Qxe5 Nxe5 34.Kf2 Rfb6 35.
Kg3 Kg7 36.Kf4 Kf6 37.Rh1 Rg8 38.Rhg1 Rxg1 39.Rxg1 b4 40.axb4 axb4 41.Bf1 
b3 42.cxb3 Rxb3 43.Be2 Rb2 44.Ra1 c2 45.Rc1 h5 46.Bf1 Rb1 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.01"]
[Round "11"]
[White "Minic, Dragoljub"]
[Black "Bukal, Vladimir"]
[Result "1-0"]
[WhiteElo "2490"]
[BlackElo "2440"]
[ECO "C07"]
[EventDate "1972.03.20"]
[PlyCount "51"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.Bb5 Bd7 6.exd5 exd5 7.O-O Nxd4 8.
Nxd4 cxd4 9.Re1+ Ne7 10.Bxd7+ Qxd7 11.Nf3 f6 12.Nxd4 Kf7 13.Qh5+ g6 14.Qf3
Nf5 15.Nxf5 Qxf5 16.Qb3 Qd7 17.Be3 Be7 18.Rad1 Rhd8 19.c4 Kg7 20.Rxd5 Qc7 
21.Bf4 Qxf4 22.Rxe7+ Kf8 23.Qa3 Kg8 24.Qe3 Qxe3 25.fxe3 b6 26.Rxa7 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Keres, Paul"]
[Black "Bukal, Vladimir"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2440"]
[ECO "B42"]
[EventDate "1972.03.20"]
[PlyCount "75"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.O-O Nf6 7.b3 b6 8.Bb2 Bb7
9.Nd2 d6 10.c4 Nbd7 11.Re1 g6 12.N4f3 Bg7 13.Qe2 O-O 14.Rad1 Rad8 15.Bb1 
e5 16.Nf1 Nc5 17.N3d2 Nh5 18.Ne3 f5 19.Nd5 Bxd5 20.cxd5 Nf4 21.Qf1 Qe7 22.
g3 Qg5 23.Bc1 Qg4 24.Kh1 Nh3 25.f3 Qh5 26.exf5 gxf5 27.Qe2 Ng5 28.f4 Qxe2 
29.Rxe2 Nf7 30.Bxf5 b5 31.Ne4 Kh8 32.Nxc5 dxc5 33.Be6 exf4 34.Bxf4 Bd4 35.
Kg2 Kg7 36.b4 h6 37.Rc2 Ng5 38.Bxg5 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Jansa, Vlastimil"]
[Black "Minic, Dragoljub"]
[Result "1-0"]
[WhiteElo "2450"]
[BlackElo "2490"]
[ECO "C88"]
[EventDate "1972.03.20"]
[PlyCount "71"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.d3 Be7 8.Nc3 O-O
9.Re1 d6 10.a4 b4 11.Nd5 Nxd5 12.Bxd5 Na5 13.Bxb7 Nxb7 14.c3 bxc3 15.bxc3 
c6 16.d4 Qc7 17.Be3 Na5 18.Qe2 d5 19.Nxe5 f6 20.Nd3 Bd6 21.exd5 Bxh2+ 22.
Kh1 Bd6 23.Qf3 cxd5 24.Nb4 g5 25.Nxd5 Qg7 26.Nb6 Rad8 27.Qd5+ Kh8 28.Qxa5 
Qh6+ 29.Kg1 f5 30.Nc4 Qh2+ 31.Kf1 Bb8 32.Ne5 f4 33.Nf7+ Kg8 34.Nxd8 fxe3 
35.Qxg5+ Kh8 36.Rxe3 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Szabo, Laszlo"]
[Black "Basagic, Zlatko"]
[Result "0-1"]
[WhiteElo "2525"]
[ECO "E70"]
[EventDate "1972.03.20"]
[PlyCount "54"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 e5 6.d5 O-O 7.Ng3 c6 8.Be2 cxd5 
9.cxd5 a6 10.Be3 h5 11.h3 Nbd7 12.Nf1 b5 13.Nd2 Nh7 14.Nb3 f5 15.exf5 gxf5
16.Bxh5 b4 17.Na4 f4 18.Bd2 e4 19.Bxb4 Ne5 20.Be2 f3 21.gxf3 Ng5 22.Nd4 
Ngxf3+ 23.Bxf3 Nd3+ 24.Ke2 Qh4 25.Qg1 exf3+ 26.Kd2 Qf4+ 27.Kd1 Nxb4 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Hort, Vlastimil"]
[Black "Vukic, Milan"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2430"]
[ECO "B10"]
[EventDate "1972.03.20"]
[PlyCount "143"]
[Source "Perpetual Check"]

1.e4 c6 2.d3 d5 3.Nd2 Nf6 4.e5 Ng8 5.d4 Bf5 6.g4 Bd7 7.Bd3 e6 8.c3 c5 9.
Ngf3 Nc6 10.dxc5 h5 11.g5 g6 12.Nb3 Qc7 13.Qe2 Rc8 14.O-O a6 15.Be3 Bg7 
16.Bf4 Nb8 17.a4 Ne7 18.Be3 O-O 19.Bd4 Rfd8 20.Nbd2 a5 21.Bb5 Nec6 22.Nb3 
Be8 23.Nc1 Nd7 24.Nd3 Ra8 25.Rfe1 Rdb8 26.b4 Bf8 27.Rab1 Be7 28.Qe3 Qd8 
29.h4 Qc7 30.Nd2 Rd8 31.Nb3 Ndb8 32.Bxc6 Nxc6 33.b5 Nxd4 34.cxd4 b6 35.c6 
Rdc8 36.Nd2 Bd8 37.Rbc1 Qe7 38.Rc3 Qf8 39.Nf1 Be7 40.Rb1 Rc7 41.Ng3 Rd8 
42.f4 Bd7 43.Qf3 Bc8 44.Nf1 Qg7 45.Ne3 Qh7 46.Kh1 Kg7 47.Rc2 Rh8 48.Rg1 
Kf8 49.Rcg2 Bd8 50.f5 Ke8 51.Nf4 Ra7 52.Rf2 Rg8 53.Rgf1 Qg7 54.Qh3 gxf5 
55.Rb1 Qf8 56.Neg2 Rh8 57.Qf3 Be7 58.Ne3 Bd8 59.Nf1 Be7 60.Ng3 Kd8 61.Rh2 
Kc7 62.Ngxh5 Kb8 63.Nf6 Bd8 64.h5 Rc7 65.Qe3 Ka7 66.h6 Kb8 67.h7 Be7 68.
Rbb2 Qd8 69.Rbg2 Bf8 70.g6 Bg7 71.Qg3 Ka7 72.N4h5 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Bogdanovic, Rajko"]
[Black "Kosanski, Stanko"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[ECO "B06"]
[EventDate "1972.03.20"]
[PlyCount "49"]
[Source "Perpetual Check"]

1.e4 g6 2.d4 Bg7 3.c3 d6 4.f4 Nf6 5.e5 dxe5 6.fxe5 Nd5 7.Nf3 O-O 8.Bc4 Nb6
9.Bb3 c5 10.O-O cxd4 11.cxd4 Nc6 12.h3 Bf5 13.Nc3 Na5 14.d5 Nxb3 15.axb3 
Qc7 16.Be3 Rfd8 17.Kh1 Bxe5 18.Nxe5 Qxe5 19.Bf4 Qf6 20.Bc7 Rd7 21.Bxb6 
Qxb6 22.g4 Qe3 23.gxf5 Qxh3+ 24.Kg1 Qg3+ 25.Kh1 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Matulovic, Milan"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2410"]
[ECO "B33"]
[EventDate "1972.03.20"]
[PlyCount "85"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6 5.Nb3 Nf6 6.Nc3 e6 7.Bd3 Ne5 8.O-O 
a6 9.Be3 Qc7 10.f4 Neg4 11.Bd2 Qb6+ 12.Kh1 Nf2+ 13.Rxf2 Qxf2 14.e5 Nd5 15.
Ne4 Qb6 16.c4 f5 17.cxd5 fxe4 18.Bxe4 g6 19.d6 Bh6 20.Rc1 O-O 21.g3 a5 22.
a4 Ra6 23.Kg2 Qa7 24.Rc7 Qb8 25.Nd4 Rc6 26.Nxc6 bxc6 27.b3 Qb6 28.Qc2 Bg7 
29.Qc3 Qa6 30.Qe3 c5 31.Rxc5 Bb7 32.Rxa5 Bxe4+ 33.Qxe4 Qc8 34.h4 h6 35.Ra7
g5 36.Rc7 Qe8 37.hxg5 hxg5 38.Rc1 g4 39.a5 Qb8 40.b4 Qb5 41.Rh1 Rf5 42.Ra1
Kf7 43.a6 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Gasic, Bozidar"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[WhiteElo "2330"]
[BlackElo "2440"]
[ECO "B35"]
[EventDate "1972.03.20"]
[PlyCount "85"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.d4 cxd4 5.Nxd4 g6 6.Be3 Bg7 7.Bc4 Nc6 8.h3 
O-O 9.O-O Bd7 10.f4 Qa5 11.Bb3 Rad8 12.Nf3 Bc8 13.Qe1 e6 14.Rd1 b5 15.a3 
Bb7 16.f5 gxf5 17.exf5 d5 18.Bg5 Qb6+ 19.Kh1 Na5 20.Qh4 e5 21.Nxe5 Nxb3 
22.cxb3 d4 23.Nxb5 Rd5 24.Nc4 Qxb5 25.Bxf6 Bxf6 26.Qxf6 Qxb3 27.Qg5+ Kh8 
28.Qf6+ Kg8 29.Kh2 Qxc4 30.Rf3 Qc7+ 31.Rg3+ Qxg3+ 32.Kxg3 Rfd8 33.Re1 Bc8 
34.Re5 d3 35.Rxd5 Rxd5 36.Qc6 Rd8 37.Qc7 Rf8 38.Kf4 Ba6 39.Qd6 Bb5 40.a4 
Bc4 41.Qd4 Rc8 42.b3 Ba6 43.Kg5 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.03"]
[Round "12"]
[White "Petrosian, Tigran"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2640"]
[ECO "E82"]
[EventDate "1972.03.20"]
[PlyCount "121"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 a6 8.Nge2 c5 9.
d5 e6 10.O-O exd5 11.cxd5 Nbd7 12.b3 b5 13.h3 Re8 14.Qd2 Nb6 15.Rac1 Bd7 
16.Bf4 Qe7 17.Nd1 Rab8 18.Re1 Rb7 19.Bg5 Rc8 20.Qa5 Be8 21.Kh1 Qc7 22.Qd2 
Qb8 23.Bh6 Re7 24.Bxg7 Kxg7 25.Ng3 Bd7 26.Qb2 Rce8 27.Nc3 Bc8 28.Be2 h5 
29.a4 b4 30.Nd1 h4 31.Nf1 a5 32.Bb5 Bd7 33.Nde3 Bxb5 34.axb5 Re5 35.Ra1 
Qd8 36.Nd2 Kh7 37.Ndc4 Nxc4 38.Nxc4 Rg5 39.Rxa5 Nxd5 40.Qf2 Nf6 41.Qxh4+ 
Rh5 42.Qg3 d5 43.Rd1 Qb8 44.Qxb8 Rxb8 45.exd5 Rxd5 46.Rxd5 Nxd5 47.b6 Nxb6
48.Nxb6 Rxb6 49.Rxc5 f6 50.h4 Kh6 51.Kh2 Rd6 52.Rc4 Rb6 53.g4 Rb5 54.Kg3 
g5 55.hxg5+ Kxg5 56.f4+ Kg6 57.Kh4 Rb8 58.f5+ Kh6 59.Rc6 Kg7 60.Rc7+ Kh6 
61.Rf7 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Ivanovic, Bozidar"]
[Black "Keres, Paul"]
[Result "0-1"]
[BlackElo "2615"]
[ECO "C96"]
[EventDate "1972.03.20"]
[PlyCount "118"]
[Source "Perpetual Check"]

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 Nd7 12.Nbd2 cxd4 13.cxd4 Nc6 14.a4 bxa4 15.Bxa4 
Bb7 16.Nc4 Qc7 17.Ra3 exd4 18.Bxc6 Bxc6 19.Nxd4 d5 20.Rg3 dxc4 21.Nf5 Bf6 
22.Rxg7+ Bxg7 23.Qg4 Qe5 24.Bh6 Qf6 25.Bxg7 Qg6 26.Ne7+ Kxg7 27.Nxg6 hxg6 
28.e5 Rfe8 29.Qxc4 Re6 30.Qd4 Rb8 31.Rc1 Rb7 32.b4 Nf8 33.h4 Kg8 34.Rc5 
Bd7 35.f3 Reb6 36.Rc4 Be6 37.Rc2 Rxb4 38.Qd8 Rd7 39.Qg5 Bf5 40.Ra2 Rb6 41.
h5 Rd5 42.hxg6 Bxg6 43.f4 Ne6 44.Qf6 Rd1+ 45.Kf2 Bb1 46.Ra4 Rb2+ 47.Kg3 
Rg1 48.Rc4 Rgxg2+ 49.Kh3 Rg6 50.Rc8+ Nf8 51.Rxf8+ Kxf8 52.Qh8+ Ke7 53.Qc8 
Rh6+ 54.Kg4 Rg6+ 55.Kh3 Rb3+ 56.Kh4 Rh6+ 57.Kg4 Rg6+ 58.Kh4 Bf5 59.Qxf5 
Rb8 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Tatai, Stefano"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2640"]
[ECO "C01"]
[EventDate "1972.03.20"]
[PlyCount "23"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 c6 5.Ne2 Bd6 6.Bf4 Ne7 7.c3 Bf5 8.O-O 
O-O 9.Bxd6 Qxd6 10.Ng3 Bxd3 11.Qxd3 Nd7 12.Nd2 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Rajkovic, Dusan"]
[Black "Gasic, Bozidar"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2330"]
[ECO "A25"]
[EventDate "1972.03.20"]
[PlyCount "82"]
[Source "Perpetual Check"]

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Nf6 5.Nf3 g6 6.Rb1 Bf5 7.d3 Bg7 8.b4 Qd7 
9.b5 Nd8 10.O-O O-O 11.Nd5 Nxd5 12.cxd5 b6 13.Qc2 Nb7 14.Be3 a6 15.bxa6 
Rxa6 16.h3 Qc8 17.g4 Bd7 18.Rfc1 Nc5 19.d4 exd4 20.Bxd4 Qa8 21.Bxg7 Kxg7 
22.Nd4 Rxa2 23.Qc3 Kg8 24.Ra1 Ra5 25.h4 Rxa1 26.Rxa1 Qd8 27.g5 Qe7 28.Ra7 
Rc8 29.Qd2 Qf8 30.Qe3 Ra8 31.Qa3 Rxa7 32.Qxa7 Qc8 33.e3 Qb7 34.Qxb7 Nxb7 
35.Bf1 Kf8 36.Bb5 Ke7 37.Kg2 Na5 38.Bxd7 Kxd7 39.Kf3 c5 40.dxc6+ Nxc6 41.
Nc2 b5 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Kosanski, Stanko"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[BlackElo "2530"]
[ECO "B47"]
[EventDate "1972.03.20"]
[PlyCount "110"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be2 a6 7.f4 b5 8.Nxc6 
Qxc6 9.Bf3 Bb7 10.e5 Qc7 11.Bxb7 Qxb7 12.Qe2 Rc8 13.O-O Nh6 14.a4 b4 15.
Ne4 Nf5 16.c3 h5 17.Bd2 h4 18.cxb4 Bxb4 19.Bxb4 Qxb4 20.Rac1 Qd4+ 21.Qf2 
Qxf2+ 22.Kxf2 Rb8 23.b4 Ke7 24.Rc4 Rhc8 25.Rfc1 Rxc4 26.Rxc4 f6 27.Nc5 Rc8
28.Ke2 d6 29.exd6+ Nxd6 30.Rc3 a5 31.bxa5 Nb7 32.Ne4 Rxc3 33.Nxc3 Nxa5 34.
Kf3 f5 35.Ke3 Nc6 36.h3 e5 37.fxe5 g5 38.Ne2 Nxe5 39.Nd4 Nc4+ 40.Ke2 Kf6 
41.Nb3 Ke5 42.a5 Nd6 43.a6 Nc8 44.Nd2 Kf4 45.Kf2 g4 46.Nc4 Na7 47.Ne3 Kg5 
48.Nd5 f4 49.Nc3 Kf5 50.Ne2 Kg5 51.Nd4 Nc8 52.Nb5 f3 53.gxf3 gxh3 54.Nc3 
h2 55.Kg2 h3+ 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Vukic, Milan"]
[Black "Bogdanovic, Rajko"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2435"]
[ECO "A12"]
[EventDate "1972.03.20"]
[PlyCount "83"]
[Source "Perpetual Check"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 d5 4.c4 c6 5.e3 Bg7 6.Be2 O-O 7.O-O a5 8.a3 Nbd7 
9.Qc2 Re8 10.d3 e5 11.Nbd2 e4 12.dxe4 dxe4 13.Nd4 Qe7 14.Bc3 h5 15.b4 axb4
16.axb4 Rxa1 17.Rxa1 Nf8 18.N4b3 Ne6 19.Ra8 Ng5 20.Qb1 h4 21.Na5 h3 22.g3 
Qe6 23.Nab3 Rd8 24.Qa1 Qe7 25.Qa5 Ne8 26.Bxg7 Kxg7 27.Qa1+ Kh7 28.Qc3 Nf6 
29.Nd4 Bg4 30.Rxd8 Qxd8 31.Bf1 Nd7 32.c5 Ne5 33.Qa1 Qd5 34.Qb1 Kg7 35.Qa1 
Kh7 36.Qb2 Kh6 37.Qc2 Kg7 38.Bc4 Qd7 39.b5 cxb5 40.Bxb5 Qd5 41.Kf1 Kh7 42.
Kg1 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Basagic, Zlatko"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[BlackElo "2605"]
[ECO "E94"]
[EventDate "1972.03.20"]
[PlyCount "82"]
[Source "Perpetual Check"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 d6 4.d4 Nbd7 5.e4 g6 6.Be2 Bg7 7.O-O O-O 8.dxe5 
dxe5 9.b3 Re8 10.Qc2 c6 11.Rd1 Qc7 12.Na4 b6 13.Bb2 Bf8 14.Ne1 Bb7 15.f3 
Rac8 16.Nd3 b5 17.Nc3 Nc5 18.Nxc5 Bxc5+ 19.Kh1 a5 20.a4 b4 21.Na2 Nh5 22.
Nc1 Nf4 23.Nd3 Nxd3 24.Rxd3 Rcd8 25.Rad1 Rxd3 26.Qxd3 Bc8 27.Qd2 f6 28.Bf1
Kg7 29.g3 Re7 30.Qd8 Qxd8 31.Rxd8 Be6 32.h4 Rd7 33.Rxd7+ Bxd7 34.Kh2 Be3 
35.Bh3 Bxh3 36.Kxh3 h5 37.Kg2 g5 38.Kh3 Kg6 39.g4 gxh4 40.Kxh4 Bg5+ 41.Kh3
h4 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Minic, Dragoljub"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2525"]
[ECO "C42"]
[EventDate "1972.03.20"]
[PlyCount "23"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Nc3 Bg4 8.
Qxe7+ Bxe7 9.Be2 Nc6 10.Be3 O-O-O 11.Nd4 Nxd4 12.Bxd4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.04"]
[Round "13"]
[White "Bukal, Vladimir"]
[Black "Jansa, Vlastimil"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2450"]
[ECO "A16"]
[EventDate "1972.03.20"]
[PlyCount "117"]
[Source "Perpetual Check"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 6.Nf3 Bg7 7.O-O O-O 8.d3 
Nc6 9.Be3 h6 10.Qc1 Kh7 11.a4 a5 12.Nb5 Nd5 13.Bc5 Ncb4 14.Bd4 f6 15.Rd1 
c6 16.Nc3 e5 17.Bc5 Re8 18.e4 Na6 19.Nxd5 cxd5 20.exd5 Bg4 21.Qe3 Qd7 22.
Rdc1 h5 23.Qd2 Nc7 24.d6 Bh6 25.Be3 Bxe3 26.Qxe3 Qxd6 27.Nd2 Ne6 28.Ne4 
Qe7 29.h3 Bf5 30.Nc3 Rac8 31.Nd5 Qf7 32.Qb6 Bxd3 33.Qxa5 Nd4 34.Rxc8 Rxc8 
35.Qb6 Rc6 36.Qd8 Bf5 37.b4 Kg7 38.b5 Rc8 39.Qb6 Be6 40.Ne3 Rc7 41.a5 Nb3 
42.Rd1 Nd4 43.a6 bxa6 44.bxa6 Qd7 45.Ra1 Nb5 46.Rb1 Nc3 47.Qxc7 Qxc7 48.
Rb7 Nb5 49.Rxc7+ Nxc7 50.a7 f5 51.Nd5 Bxd5 52.Bxd5 h4 53.gxh4 Kh6 54.Kg2 
Kh5 55.Kg3 f4+ 56.Kg2 Kxh4 57.a8=Q Nxa8 58.Bxa8 g5 59.Bf3 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Keres, Paul"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2450"]
[ECO "B46"]
[EventDate "1972.03.20"]
[PlyCount "40"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.g3 Nge7 7.Bg2 Nxd4 8.Qxd4
Nc6 9.Qe3 d6 10.O-O Be7 11.b3 Bf6 12.Rd1 O-O 13.Bb2 Qc7 14.Na4 Bxb2 15.
Nxb2 e5 16.Nc4 Be6 17.Qb6 Rac8 18.Qxc7 Rxc7 19.Nxd6 Nd4 20.c4 g6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Szabo, Laszlo"]
[Black "Bukal, Vladimir"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2440"]
[ECO "E70"]
[EventDate "1972.03.20"]
[PlyCount "76"]
[Source "Perpetual Check"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Bg5 h6 6.Be3 d6 7.f3 e5 8.d5 Nh5 9.
Qd2 Kh7 10.O-O-O a6 11.Kb1 Qe8 12.Rc1 Qe7 13.Nge2 Nd7 14.h4 Nb6 15.Bxb6 
cxb6 16.Na4 Qd8 17.Qe3 b5 18.Nb6 Rb8 19.g4 Nf4 20.cxb5 f5 21.exf5 gxf5 22.
Nxc8 Rxc8 23.Rxc8 Qxc8 24.Nxf4 exf4 25.Qxf4 Qc5 26.Bd3 Qf2 27.Bc2 axb5 28.
gxf5 Bf6 29.Qxd6 Rg8 30.a3 Qd4 31.Qd7+ Kh8 32.Qxb5 Rd8 33.Rd1 Qe5 34.Qb4 
Qe2 35.d6 Qxf3 36.d7 Qc6 37.Rd6 Qh1+ 38.Ka2 Kg7 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Hort, Vlastimil"]
[Black "Minic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2490"]
[ECO "B39"]
[EventDate "1972.03.20"]
[PlyCount "36"]
[Source "Perpetual Check"]

1.d4 Nf6 2.Nf3 g6 3.c4 c5 4.Nc3 cxd4 5.Nxd4 Bg7 6.e4 Nc6 7.Be3 Ng4 8.Qxg4 
Nxd4 9.Qd1 Ne6 10.Rc1 O-O 11.Bd3 b6 12.h4 Bb7 13.h5 Nc5 14.Bb1 d6 15.hxg6 
fxg6 16.Qg4 Rf7 17.b4 Qd7 18.Qxd7 Nxd7 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Bogdanovic, Rajko"]
[Black "Basagic, Zlatko"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[ECO "C64"]
[EventDate "1972.03.20"]
[PlyCount "32"]
[Source "Perpetual Check"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4 c6 8.Ba4 
d6 9.dxe5 dxe5 10.Qxd8+ Bxd8 11.Be3 Nf6 12.f3 Be6 13.Nd2 Nd7 14.Bb3 Bxb3 
15.Nxb3 Nb6 16.Bxb6 axb6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Matulovic, Milan"]
[Black "Vukic, Milan"]
[Result "0-1"]
[WhiteElo "2530"]
[BlackElo "2430"]
[ECO "B10"]
[EventDate "1972.03.20"]
[PlyCount "110"]
[Source "Perpetual Check"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Ne7 7.O-O O-O 8.Re1 Nd7 
9.b4 d4 10.a4 b6 11.Nc4 Qc7 12.Bg5 Re8 13.c3 dxc3 14.Qb3 b5 15.axb5 cxb5 
16.Na3 Qb8 17.Nb1 Nb6 18.Nxc3 Be6 19.Qb1 a6 20.Bxe7 Rxe7 21.Ng5 Bc8 22.h4 
h6 23.Nf3 Be6 24.Nd2 Qd6 25.Rc1 Rc7 26.Nd5 Rxc1+ 27.Qxc1 Nxd5 28.exd5 Bxd5
29.Bxd5 Qxd5 30.Rxa6 Rxa6 31.Qc6 Bf8 32.Qxa6 Qxd3 33.Nf1 Bxb4 34.h5 Bc3 
35.hxg6 fxg6 36.Qe6+ Kf8 37.Qf6+ Ke8 38.Qh8+ Kd7 39.Qxh6 b4 40.Qg7+ Kc6 
41.Qg8 Bd4 42.Qa8+ Kc5 43.Kg2 b3 44.Qa5+ Qb5 45.Qa3+ Kc4 46.Nd2+ Kc3 47.
Qc1+ Kb4 48.Qb1 Qc6+ 49.Ne4 Bxf2 50.Qd3 Bd4 51.Kh3 Qc2 52.Qf3 Qc8+ 53.g4 
b2 54.Qd3 Qc1 55.Nd2 Qc3 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Gasic, Bozidar"]
[Black "Kosanski, Stanko"]
[Result "1/2-1/2"]
[WhiteElo "2330"]
[ECO "B09"]
[EventDate "1972.03.20"]
[PlyCount "126"]
[Source "Perpetual Check"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 c5 6.dxc5 Qa5 7.Bd3 Qxc5 8.Qe2 
O-O 9.Be3 Qa5 10.h3 Nbd7 11.O-O e5 12.Rad1 Nh5 13.Nd5 exf4 14.Nxf4 Nxf4 
15.Bxf4 Ne5 16.Nxe5 dxe5 17.Be3 Bd7 18.b4 Qxb4 19.Rb1 Qa4 20.Rxb7 Be6 21.
c4 Qa6 22.Rfb1 Rfd8 23.R1b3 Bf8 24.Qc2 Qc6 25.R7b5 Rxd3 26.Rxd3 Qxc4 27.
Rb2 Qxe4 28.Qe2 a5 29.Bf2 Bb4 30.Qd1 Rc8 31.Re2 Qf4 32.Bg3 Qf6 33.Bxe5 Qg5
34.Rg3 Rc1 35.Rxg5 Rxd1+ 36.Kh2 Bc5 37.Bb2 Bg1+ 38.Kg3 h6 39.Rxa5 g5 40.
Ra8+ Kh7 41.Rxe6 fxe6 42.Rh8+ Kg6 43.Kg4 Rd2 44.Rg8+ Kf7 45.Rg7+ Ke8 46.
Rb7 Rxg2+ 47.Kh5 Be3 48.Bf6 Bc5 49.Kxh6 g4 50.hxg4 Rxg4 51.Rb5 Bf8+ 52.Kh5
Ra4 53.Kg6 Bd6 54.Rb2 Rg4+ 55.Kh5 Ra4 56.Kg6 Rg4+ 57.Kh5 Rg3 58.Rd2 Ba3 
59.Rd8+ Kf7 60.Bh4 Rg2 61.Rd7+ Ke8 62.Rd8+ Kf7 63.Rd7+ Ke8 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Petrosian, Tigran"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2410"]
[ECO "D42"]
[EventDate "1972.03.20"]
[PlyCount "38"]
[Source "Perpetual Check"]

1.d4 Nf6 2.Nf3 e6 3.c4 c5 4.e3 d5 5.Nc3 Nc6 6.cxd5 Nxd5 7.Bd3 Be7 8.O-O 
O-O 9.a3 cxd4 10.exd4 Nxc3 11.bxc3 b6 12.Qe2 Bb7 13.Rd1 Bf6 14.a4 Rc8 15.
Ba3 Re8 16.Bb5 Qd5 17.Rab1 Red8 18.Bd3 Na5 19.Rb5 Qc6 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.05"]
[Round "14"]
[White "Ivanovic, Bozidar"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "B96"]
[EventDate "1972.03.20"]
[PlyCount "88"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.Qf3 Bb7 
9.Bd3 Nbd7 10.O-O-O Qb6 11.Nb3 b4 12.Na4 Qc7 13.Rhe1 Be7 14.Kb1 Rb8 15.Qh3
e5 16.fxe5 dxe5 17.Be3 Qc6 18.g4 g6 19.g5 Nh5 20.Bc4 Bc8 21.Qf1 O-O 22.Rd5
Qxa4 23.Na5 Nb6 24.Bb3 Qe8 25.Rxe5 Be6 26.Qxa6 Bd8 27.Nb7 Qc6 28.Nxd8 
Rfxd8 29.Rb5 Qxe4 30.Bxe6 Qxe3 31.Bxf7+ Kxf7 32.Rf1+ Kg8 33.Rxb4 Rf8 34.
Rxf8+ Rxf8 35.a3 Qe1+ 36.Ka2 Qxb4 37.axb4 Ra8 38.b5 Kf7 39.Kb3 Rxa6 40.
bxa6 Ke6 41.Kb4 Kd6 42.Kb5 Nc8 43.c4 Nf4 44.b4 Ne6 0-1

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Tatai, Stefano"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2615"]
[ECO "C01"]
[EventDate "1972.03.20"]
[PlyCount "27"]
[Source "Perpetual Check"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Nc6 5.c3 Bd6 6.Ne2 Nge7 7.Bf4 Bf5 8.O-O 
O-O 9.Bxd6 Qxd6 10.Ng3 Bg6 11.Qf3 Rae8 12.Nd2 Bxd3 13.Qxd3 Ng6 14.Rfe1 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Rajkovic, Dusan"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[ECO "B32"]
[EventDate "1972.03.20"]
[PlyCount "30"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nb5 Qb8 6.c4 Nf6 7.N1c3 a6 8.Na3 
e6 9.Be2 Be7 10.O-O O-O 11.Be3 d6 12.f4 b6 13.Bf3 Qc7 14.Rc1 Bb7 15.Qe2 
Nb4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Kosanski, Stanko"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[BlackElo "2640"]
[ECO "B80"]
[EventDate "1972.03.20"]
[PlyCount "142"]
[Source "Perpetual Check"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 Nc6 5.Bg2 d6 6.d4 cxd4 7.Nxd4 Bd7 8.O-O Nf6
9.Nce2 Rc8 10.b3 Be7 11.c4 O-O 12.Bb2 Qa5 13.a3 Qb6 14.Rc1 Rfd8 15.h3 Be8 
16.Nxc6 bxc6 17.Qc2 Nd7 18.Bd4 Qc7 19.f4 Rb8 20.g4 e5 21.Be3 Qa5 22.Ra1 
exf4 23.b4 Qc7 24.Bxf4 Ne5 25.Kh1 f6 26.Nd4 Bf7 27.Rfc1 Bf8 28.Bf1 c5 29.
Nf5 cxb4 30.axb4 Rxb4 31.Bd2 a5 32.Bxb4 axb4 33.Ne3 Qc5 34.Nd5 Rb8 35.Rab1
Nc6 36.Qd2 Be7 37.Nxe7+ Nxe7 38.Rd1 Rb6 39.Qd4 Be6 40.Be2 Ng6 41.Ra1 Ne5 
42.Qxc5 dxc5 43.Ra7 Rb8 44.Rc7 Nxc4 45.Re7 Ne3 46.Rd3 b3 47.Rxe3 b2 48.Bd3
Rb3 49.Re2 Rxd3 50.Rxb2 Bb3 51.Kh2 c4 52.e5 fxe5 53.Rxe5 h6 54.Rc5 Kf7 55.
Rc7+ Kf6 56.Rf2+ Ke5 57.Rxg7 c3 58.Rf5+ Kd6 59.Rg6+ Be6 60.Rxh6 Rd2+ 61.
Kg3 c2 62.Rxe6+ Kxe6 63.Rc5 Kd6 64.Rc8 Ke5 65.g5 Kf5 66.Kh4 Rg2 67.Rc5+ 
Kf4 68.Rc6 Rxg5 69.Rc4+ Kf5 70.Rxc2 Rg1 71.Kh5 Rg5+ 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Vukic, Milan"]
[Black "Gasic, Bozidar"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2330"]
[ECO "A94"]
[EventDate "1972.03.20"]
[PlyCount "80"]
[Source "Perpetual Check"]

1.Nf3 f5 2.c4 e6 3.g3 Nf6 4.Bg2 c6 5.O-O d5 6.d4 Be7 7.b3 O-O 8.Ba3 Bxa3 
9.Nxa3 Qe7 10.Qc1 Bd7 11.Nc2 Be8 12.Nce1 Bh5 13.Nd3 Nbd7 14.Qb2 Ne4 15.
Rac1 g5 16.Nfe5 f4 17.f3 Nd6 18.c5 Ne8 19.Qd2 Nxe5 20.Nxe5 Ng7 21.e3 fxg3 
22.hxg3 Rf6 23.e4 dxe4 24.fxe4 Rd8 25.Qe3 h6 26.b4 a6 27.a4 Be8 28.Nc4 Nh5
29.e5 Rxf1+ 30.Rxf1 Bg6 31.Nd6 Ng7 32.Rf6 Bh7 33.g4 h5 34.gxh5 Nxh5 35.Rf7
Qxf7 36.Nxf7 Kxf7 37.Qxg5 Rxd4 38.Qxh5+ Bg6 39.Qh8 Bf5 40.Bf3 Bg4 1-0

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Basagic, Zlatko"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[BlackElo "2530"]
[ECO "A36"]
[EventDate "1972.03.20"]
[PlyCount "30"]
[Source "Perpetual Check"]

1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.e3 e6 6.Nge2 Nge7 7.O-O O-O 8.d4 
cxd4 9.exd4 d5 10.cxd5 Nxd5 11.Nxd5 exd5 12.Qb3 Be6 13.Rd1 Qd7 14.Be3 Na5 
15.Qb4 Nc4 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Minic, Dragoljub"]
[Black "Bogdanovic, Rajko"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2435"]
[ECO "B99"]
[EventDate "1972.03.20"]
[PlyCount "26"]
[Source "Perpetual Check"]

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.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.a3 Rb8 1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Bukal, Vladimir"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2605"]
[ECO "D59"]
[EventDate "1972.03.20"]
[PlyCount "28"]
[Source "Perpetual Check"]

1.c4 e6 2.Nc3 d5 3.d4 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Be2 Bb7 12.O-O Nd7 13.Qa4 c5 14.Ba6 Nf6 
1/2-1/2

[Event "15th Bosna it"]
[Site "Sarajevo YUG"]
[Date "1972.04.07"]
[Round "15"]
[White "Jansa, Vlastimil"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2525"]
[ECO "B14"]
[EventDate "1972.03.20"]
[PlyCount "32"]
[Source "Perpetual Check"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.Bd3 dxc4 8.Bxc4 
Nc6 9.O-O O-O 10.a3 b6 11.d5 Na5 12.Ba2 exd5 13.Nxd5 Nxd5 14.Bxd5 Bb7 15.
Bxb7 Nxb7 16.Bf4 Bf6 1/2-1/2

