[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.14"]
[Round "1"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1969.04.14"]
[PlyCount "112"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nc6 6.Nxc6 bxc6 7.O-O d5 8.Nd2 
Nf6 9.Qe2 Be7 10.b3 O-O 11.Bb2 a5 12.f4 g6 13.Rad1 Nd7 14.c4 a4 15.f5 exf5
16.exf5 Bf6 17.Bxf6 Nxf6 18.Qf2 axb3 19.axb3 Ra2 20.fxg6 fxg6 21.h3 Qe7 
22.Qd4 c5 23.Qf4 Bb7 24.Rde1 Qg7 25.Qe3 d4 26.Qe6+ Qf7 27.Qe2 Re8 28.Qf2 
Rxe1 29.Qxe1 Qe8 30.Qxe8+ Nxe8 31.Be4 Rxd2 32.Bxb7 Nd6 33.Bd5+ Kg7 34.b4 
cxb4 35.c5 Nf5 36.c6 Rc2 37.g4 Nd6 38.Rf4 d3 39.Rd4 d2 40.Bb3 Rxc6 41.Rxd2
Ne4 42.Rd7+ Kf6 43.Rxh7 Rc1+ 44.Kg2 Nc5 45.Bf7 b3 46.g5+ Kxg5 47.h4+ Kf6 
48.h5 Rc2+ 49.Kf3 b2 50.Ba2 gxh5 51.Rxh5 Rc1 52.Rh6+ Ke5 53.Rb6 Na4 54.
Re6+ Kd4 55.Re4+ Kc5 56.Rxa4 Ra1 0-1

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.16"]
[Round "2"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D34"]
[EventDate "1969.04.14"]
[PlyCount "121"]

1.c4 e6 2.d4 d5 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Bg4 12.Nb3 Be6 13.Rc1 Re8 14.Nb5 Qd7 15.
N5d4 Bh3 16.Nxc6 bxc6 17.Qd3 Bxg2 18.Kxg2 a5 19.Rc2 a4 20.Nd2 Qb7 21.Kg1 
Rac8 22.Rfc1 Nd7 23.Nf3 c5 24.b3 axb3 25.axb3 Bf8 26.Ra1 Nf6 27.Rca2 Ra8 
28.Rxa8 Rxa8 29.Rxa8 Qxa8 30.Qc2 Ne4 31.Nd2 Nxd2 32.Bxd2 Qa6 33.Kf1 Qb5 
34.Bc3 g6 35.Qd1 Qc6 36.f3 Qe6 37.Kg2 h5 38.h3 Bd6 39.Qd3 Be5 40.Bxe5 Qxe5
41.h4 Kf8 42.Kf1 Ke7 43.Kf2 Qe6 44.Qb5 Qd6 45.Qb7+ Kf6 46.Qb5 Qc7 47.Qd3 
c4 48.bxc4 dxc4 49.Qc3+ Ke6 50.Ke3 Qc5+ 51.Qd4 Qa3+ 52.Kd2 Qa5+ 53.Kc2 Qb5
54.Kc3 Qb3+ 55.Kd2 Qb4+ 56.Kc2 Qa4+ 57.Kc3 Qa5+ 58.Kxc4 Qc7+ 59.Kd3 Qxg3 
60.Qc4+ Kf6 61.Qd4+ 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.18"]
[Round "3"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "B36"]
[EventDate "1969.04.14"]
[PlyCount "86"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 Nxd4 7.Qxd4 d6 8.Be3 
Bg7 9.f3 O-O 10.Qd2 Be6 11.Rc1 Qa5 12.Be2 Rfc8 13.b3 a6 14.Nd5 Qxd2+ 15.
Kxd2 Nxd5 16.cxd5 Bd7 17.Rxc8+ Rxc8 18.Rc1 Rxc1 19.Kxc1 Kf8 20.Kc2 e6 21.
a4 exd5 22.exd5 Ke7 23.Bd3 Be5 24.g3 Ke8 25.Kd2 Ke7 26.Bb6 Be8 27.f4 Bg7 
28.g4 Bd7 29.h3 h5 30.Be2 hxg4 31.hxg4 Bb2 32.Ke3 Bc1+ 33.Kf3 Bb2 34.Bd3 
Bc3 35.f5 gxf5 36.Bxf5 Bxf5 37.gxf5 Kd7 38.Ke4 Be1 39.Kd3 Kc8 40.Kc4 Bd2 
41.b4 Be1 42.b5 Bd2 43.Bd4 Be1 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.21"]
[Round "4"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "D34"]
[EventDate "1969.04.14"]
[PlyCount "82"]

1.c4 e6 2.d4 d5 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Bg4 12.Nb3 Be6 13.Rc1 Re8 14.Re1 Qd7 15.
Bc5 Rac8 16.Bxe7 Qxe7 17.e3 Red8 18.Qe2 Bg4 19.f3 Bf5 20.Rcd1 Ne5 21.Nd4 
Bg6 22.Bh3 Rc4 23.g4 Rb4 24.b3 Nc6 25.Qd2 Rb6 26.Nce2 Bh7 27.Bg2 Re8 28.
Ng3 Nxd4 29.exd4 Re6 30.Rxe6 Qxe6 31.Rc1 Bg6 32.Bf1 Nh7 33.Qf4 Nf8 34.Rc5 
Bb1 35.a4 Ng6 36.Qd2 Qf6 37.Kf2 Nf4 38.a5 Bd3 39.Nf5 Qg5 40.Ne3 Qh4+ 41.
Kg1 Bxf1 0-1

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.23"]
[Round "5"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1969.04.14"]
[PlyCount "59"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.
cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O b6 13.Rad1 Bb7 14.Rfe1
Rc8 15.d5 exd5 16.Bxd5 Na5 17.Qf4 Qc7 18.Qf5 Bxd5 19.exd5 Qc2 20.Qf4 Qxa2 
21.d6 Rcd8 22.d7 Qc4 23.Qf5 h6 24.Rc1 Qa6 25.Rc7 b5 26.Nd4 Qb6 27.Rc8 Nb7 
28.Nc6 Nd6 29.Nxd8 Nxf5 30.Nc6 1-0

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.25"]
[Round "6"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D56"]
[EventDate "1969.04.14"]
[PlyCount "94"]

1.c4 e6 2.d4 d5 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 O-O 7.Rc1 Ne4 8.Bxe7 
Qxe7 9.e3 c6 10.Qc2 Nxc3 11.Qxc3 Nd7 12.a3 dxc4 13.Bxc4 b6 14.O-O Bb7 15.
Rfd1 Rfd8 16.Be2 Rac8 17.b4 Rc7 18.Rc2 Ra8 19.Nd2 a5 20.Bf3 Ra7 21.Rb1 
axb4 22.axb4 Qf8 23.h3 Qe7 24.Rcc1 Ba6 25.Qb3 Bb5 26.Ne4 Nf6 27.Nxf6+ Qxf6
28.Qb2 Qe7 29.Ra1 Rxa1 30.Rxa1 Ra7 31.Rxa7 Qxa7 32.Be4 Qe7 33.Qa3 g5 34.
Qc3 Qd6 35.Bf3 Kf8 36.e4 Kg7 37.e5 Qe7 38.Be4 Qd8 39.Qa1 Qe7 40.Qa3 Qd8 
41.Qa1 Qe7 42.Qc3 Qa7 43.Kh2 Qa2 44.Qf3 Qd2 45.Qf6+ Kg8 46.Qd8+ Kg7 47.
Qf6+ Kg8 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.04.30"]
[Round "7"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "D19"]
[EventDate "1969.04.14"]
[PlyCount "53"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O 
Nbd7 9.Qe2 O-O 10.e4 Bg6 11.Bd3 Re8 12.e5 Nd5 13.Bxg6 fxg6 14.Bd2 Be7 15.
Qe4 Nf8 16.a5 Rc8 17.Rfc1 a6 18.Qg4 h6 19.Ne4 Qd7 20.h4 Red8 21.Rc4 Qe8 
22.Rac1 Rc7 23.Ng3 Qf7 24.Ne1 Rcd7 25.Nf3 Rc7 26.Qe4 Rcd7 27.Qg4 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.02"]
[Round "8"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "D37"]
[EventDate "1969.04.14"]
[PlyCount "88"]

1.c4 e6 2.d4 d5 3.Nc3 Be7 4.Nf3 Nf6 5.Bf4 c5 6.dxc5 Na6 7.e3 Nxc5 8.cxd5 
exd5 9.Be2 O-O 10.O-O Be6 11.Be5 Rc8 12.Rc1 a6 13.h3 b5 14.Bd3 d4 15.Bxd4 
Nxd3 16.Qxd3 Bc4 17.Qb1 Bxf1 18.Rxf1 Nd5 19.Ne2 Bf6 20.Rd1 Qc7 21.Bxf6 
Nxf6 22.Nfd4 Qe5 23.Qd3 Rfd8 24.a4 bxa4 25.Ra1 Ne4 26.Qxa6 Ra8 27.Qd3 Re8 
28.Nf4 g6 29.Qa3 Qf6 30.Nd3 Rec8 31.Rd1 Rc4 32.b4 Rac8 33.b5 Rc3 34.Qa1 
Rxd3 35.Rxd3 Qxf2+ 36.Kh2 Qg3+ 37.Kg1 Qf2+ 38.Kh2 Qg3+ 39.Kg1 Nf2 40.Nc6 
Nxh3+ 41.Kh1 Nf2+ 42.Kg1 Nxd3 43.Ne7+ Kf8 44.Nxc8 Qxe3+ 0-1

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.05"]
[Round "9"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1969.04.14"]
[PlyCount "130"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 6.Bd3 Na6 7.Nge2 Nb4 8.Bb1 Bg7 
9.h3 Bd7 10.Be3 O-O 11.Qd2 Na6 12.Bd3 Nb4 13.Bb1 Na6 14.a3 Nc7 15.Bd3 Rb8 
16.b4 b6 17.g4 h5 18.g5 Nh7 19.h4 f6 20.O-O-O fxg5 21.hxg5 Bg4 22.Rdg1 Qe8
23.b5 Ra8 24.Kc2 Rf3 25.Ng3 a6 26.a4 axb5 27.cxb5 Qf7 28.Be2 Rf4 29.f3 
Rxf3 30.Bxf3 Qxf3 31.Rh2 Qf8 32.Rf2 Qc8 33.Nf1 Ra7 34.Qd3 Qa8 35.Qc4 Qd8 
36.Nh2 Bd7 37.Nf3 Bg4 38.Qf1 Bd7 39.Kb3 Be8 40.Nd2 Nf8 41.Nc4 Nh7 42.Qg2 
Bf8 43.Ra2 Rb7 44.Kc2 Be7 45.Rb1 Qb8 46.Rab2 Na8 47.Ra2 Bd8 48.Kd3 Bd7 49.
Rba1 Nf8 50.Kc2 Be8 51.Qe2 Bc7 52.Rf1 Bd8 53.Raa1 Nh7 54.Rg1 Nf8 55.Bd2 
Nh7 56.Ra3 Nf8 57.Rga1 Nh7 58.a5 bxa5 59.Nxa5 Bxa5 60.Rxa5 Nc7 61.Rb1 Nf8 
62.Be3 Nd7 63.Qf2 Kg7 64.Kd3 Kg8 65.Qa2 Nb6 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.09"]
[Round "10"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1-0"]
[ECO "E48"]
[EventDate "1969.04.14"]
[PlyCount "75"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 b6 6.Ne2 d5 7.O-O dxc4 8.Bxc4 
Bb7 9.f3 c5 10.a3 cxd4 11.axb4 dxc3 12.Nxc3 Nc6 13.b5 Ne5 14.Be2 Qc7 15.e4
Rfd8 16.Qe1 Qc5+ 17.Qf2 Qe7 18.Ra3 Ne8 19.Bf4 Ng6 20.Be3 Nd6 21.Rfa1 Nc8 
22.Bf1 f5 23.exf5 exf5 24.Ra4 Re8 25.Bd2 Qc5 26.Qxc5 bxc5 27.Rc4 Re5 28.
Na4 a6 29.Nxc5 axb5 30.Nxb7 Rxa1 31.Rxc8+ Kf7 32.Nd8+ Ke7 33.Nc6+ Kd7 34.
Nxe5+ Kxc8 35.Nxg6 hxg6 36.Bc3 Rb1 37.Kf2 b4 38.Bxg7 1-0

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.12"]
[Round "11"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "0-1"]
[ECO "E12"]
[EventDate "1969.04.14"]
[PlyCount "111"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.e3 Nbd7 7.cxd5 exd5 8.Be2 
Bd6 9.b4 O-O 10.O-O a6 11.Qb3 Qe7 12.Rb1 Ne4 13.a4 Ndf6 14.b5 Nxc3 15.Qxc3
Ne4 16.Qc2 Rfc8 17.Bb2 c6 18.bxc6 Bxc6 19.Qb3 Qd7 20.Ra1 b5 21.a5 Bb7 22.
Ne5 Qd8 23.Rfd1 Qh4 24.g3 Qe7 25.f3 Ng5 26.h4 Ne6 27.f4 f6 28.Nf3 Nd8 29.
Kf2 Nf7 30.Nd2 Rc4 31.Qd3 Re8 32.Bf3 Bb4 33.Ba3 Bxa3 34.Rxa3 Nd6 35.Re1 f5
36.Raa1 Ne4+ 37.Bxe4 fxe4 38.Qb1 Qd7 39.Ra2 Rec8 40.Nxc4 dxc4 41.d5 Bxd5 
42.Rd1 c3 43.Rc2 Qh3 44.Rg1 Qg4 45.Kg2 Qf3+ 46.Kh2 Qxe3 47.f5 Qc5 48.Rf1 
b4 49.f6 b3 50.Rcf2 c2 51.Qc1 e3 52.f7+ Kf8 53.Rf5 b2 54.Qxb2 c1=Q 55.
Qxg7+ Kxg7 56.Rg5+ 0-1

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.14"]
[Round "12"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D34"]
[EventDate "1969.04.14"]
[PlyCount "97"]

1.c4 e6 2.d4 d5 3.Nf3 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.O-O Be7 8.Nc3 
O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Bg4 12.Qa4 Na5 13.Rad1 Nc4 14.Bc1 Qc8 15.
Qc2 Rd8 16.b3 Ne5 17.Bb2 Qd7 18.f3 Bh5 19.Qf5 Nc6 20.Qxd7 Rxd7 21.Nxc6 
bxc6 22.Na4 Ne8 23.Rc1 Rc7 24.Be5 Bd6 25.Bxd6 Nxd6 26.Rfd1 Nb5 27.Kf2 f6 
28.e3 Bf7 29.Bf1 Nd6 30.Rc3 Kf8 31.Nc5 a5 32.Rdc1 Re7 33.Bh3 Raa7 34.a4 g5
35.Rd1 Kg7 36.Nd3 Be8 37.Nc1 f5 38.Ne2 g4 39.Bg2 gxf3 40.Bxf3 Ne4+ 41.Bxe4
fxe4 42.Nd4 Rf7+ 43.Kg2 Rf6 44.Rf1 Rxf1 45.Kxf1 h5 46.Kg2 Bd7 47.Rc2 Ra6 
48.g4 hxg4 49.Kg3 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.16"]
[Round "13"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1969.04.14"]
[PlyCount "49"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Qxe2+ 8.
Bxe2 Be7 9.Nc3 c6 10.O-O-O Na6 11.Ne4 Nxe4 12.dxe4 Nc5 13.Rhe1 Bxg5+ 14.
Nxg5 Ke7 15.Nf3 Rd8 16.Nd4 g6 17.Bf1 Kf8 18.b4 Ne6 19.Nb3 b6 20.Re3 Bb7 
21.a3 Rd7 22.g3 Re8 23.h4 Rdd8 24.Bc4 Nc7 25.Rde1 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.19"]
[Round "14"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D55"]
[EventDate "1969.04.14"]
[PlyCount "111"]

1.c4 e6 2.d4 d5 3.Nf3 Nf6 4.Bg5 Be7 5.e3 O-O 6.cxd5 exd5 7.Nc3 Nbd7 8.Bd3 
b6 9.O-O Bb7 10.Rc1 c5 11.Bf5 Re8 12.Re1 Nf8 13.dxc5 bxc5 14.Na4 Ne4 15.
Bxe7 Qxe7 16.Nd2 Nd6 17.Bg4 c4 18.Nf3 f5 19.Bh3 Nd7 20.g3 Nf6 21.Nd4 g6 
22.Nc3 Nde4 23.Bf1 Rac8 24.Rc2 Qb4 25.Nxe4 Nxe4 26.Qe2 Nc5 27.Qd2 a5 28.b3
Qxd2 29.Rxd2 Ba6 30.Red1 Red8 31.Rb1 Kf7 32.Be2 Nd3 33.Rdd1 Ke7 34.Kf1 Nb4
35.a3 Na2 36.bxc4 Nc3 37.Rb6 Rd6 38.Rxd6 Kxd6 39.Rc1 Nxe2 40.Kxe2 dxc4 41.
Kd2 Rb8 42.Kc3 Kd5 43.Rd1 Ke4 44.f3+ Kxe3 45.Rd2 Rb3+ 46.Nxb3 cxb3 47.Rd7 
h5 48.Ra7 Bf1 49.f4 h4 50.gxh4 Kxf4 51.Rxa5 Ke4 52.Kxb3 f4 53.Rg5 f3 54.
Rxg6 Bh3 55.Rg1 f2 56.Rc1 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.21"]
[Round "15"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1969.04.14"]
[PlyCount "38"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Qxe2+ 8.
Bxe2 Be7 9.Nc3 c6 10.O-O-O Na6 11.Rhe1 Nc7 12.Bf1 Ne6 13.Bd2 Bd7 14.d4 h6 
15.Bd3 d5 16.h3 Rd8 17.a3 O-O 18.Be3 Bc8 19.Nh4 Rfe8 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.23"]
[Round "16"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D34"]
[EventDate "1969.04.14"]
[PlyCount "62"]

1.c4 e6 2.d4 d5 3.Nf3 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 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.Rc4 Nd4 18.Nxd4 Rxd4 19.Rxd4 Bxd4 20.e3 
Bc5 21.Rd1 Rf7 22.Be4 g6 23.h4 Rc7 24.Kg2 Be7 25.Kf3 Kg7 26.Rd2 Bb4 27.Rc2
Rxc2 28.Bxc2 Kf6 29.Bd3 h6 30.Be4 g5 31.h5 Be1 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.05.28"]
[Round "17"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "B42"]
[EventDate "1969.04.14"]
[PlyCount "115"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nc6 6.Nxc6 bxc6 7.O-O d5 8.Nd2 
Nf6 9.b3 Bb4 10.Bb2 a5 11.c3 Be7 12.c4 O-O 13.Qc2 h6 14.a3 Ba6 15.Rfe1 Qb6
16.exd5 cxd5 17.cxd5 Bxd3 18.Qxd3 Rfd8 19.Nc4 Qa6 20.Qf3 Rxd5 21.Rad1 Rf5 
22.Qg3 Rg5 23.Qc7 Re8 24.Bxf6 gxf6 25.Rd7 Rc8 26.Qb7 Qxb7 27.Rxb7 Kf8 28.
a4 Bb4 29.Re3 Rd8 30.g3 Rd1+ 31.Kg2 Rc5 32.Rf3 f5 33.g4 Rd4 34.gxf5 exf5 
35.Rb8+ Ke7 36.Re3+ Kf6 37.Rb6+ Kg7 38.Rg3+ Kf8 39.Rb8+ Ke7 40.Re3+ Kf6 
41.Rb6+ Kg7 42.Rg3+ Kf8 43.Rxh6 f4 44.Rgh3 Kg7 45.R6h5 f3+ 46.Kg3 Rxh5 47.
Rxh5 Rd3 48.Nxa5 Kg6 49.Rb5 Bxa5 50.Rxa5 Rxb3 51.Ra8 Ra3 52.a5 Kf5 53.a6 
Kg6 54.a7 Kg7 55.h4 Kh7 56.h5 Kg7 57.h6+ Kh7 58.Kf4 1-0

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.06.02"]
[Round "18"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D34"]
[EventDate "1969.04.14"]
[PlyCount "117"]

1.c4 e6 2.d4 d5 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Rc1 Bf8 13.Nb3 Be6 14.Nb5 Bg4 15.
h3 Bf5 16.N5d4 Nxd4 17.Nxd4 Bd7 18.Qb3 Qa5 19.a3 Bd6 20.Qd3 Qd8 21.Rfd1 
Qe7 22.Bd2 Ne4 23.Be1 Be5 24.Qb3 Bxd4 25.Rxd4 Bc6 26.h4 Qe5 27.Qe3 Qf6 28.
Bxe4 Rxe4 29.Rxe4 dxe4 30.Bc3 Qf5 31.Rd1 Re8 32.Rd6 f6 33.Rd4 a6 34.Kh2 
Qg4 35.a4 Kf7 36.Kg1 Re5 37.Rd6 Rf5 38.b3 Qh3 39.Be1 Qg4 40.Bc3 Qh3 41.Bd4
h5 42.Bc3 Kg8 43.Rd8+ Kh7 44.Rd6 Qg4 45.a5 Qg6 46.b4 Qf7 47.Bd4 Qc4 48.Bc5
Re5 49.Bd4 Rf5 50.Bc5 Qc2 51.Qd2 Qb3 52.Qd1 Qb2 53.Qd2 Qa1+ 54.Qd1 Qe5 55.
Qd4 Qe8 56.Qc4 Bb5 57.Qe6 Qxe6 58.Rxe6 Rd5 59.Rd6 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.06.04"]
[Round "19"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "B94"]
[EventDate "1969.04.14"]
[PlyCount "47"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 
h6 9.Bxf6 Nxf6 10.O-O-O e6 11.Rhe1 Be7 12.f4 O-O 13.Bb3 Re8 14.Kb1 Bf8 15.
g4 Nxg4 16.Qg2 Nf6 17.Rg1 Bd7 18.f5 Kh8 19.Rdf1 Qd8 20.fxe6 fxe6 21.e5 
dxe5 22.Ne4 Nh5 23.Qg6 exd4 24.Ng5 1-0

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.06.09"]
[Round "20"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1969.04.14"]
[PlyCount "99"]

1.c4 e6 2.d4 d5 3.Nf3 Be7 4.Nc3 Nf6 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Qd2 b6
9.cxd5 exd5 10.b4 Bb7 11.Rb1 c6 12.Bd3 Nd7 13.O-O Re8 14.Rfc1 a5 15.bxa5 
Rxa5 16.Bf5 Ra6 17.Rb3 g6 18.Bd3 Ra7 19.Rcb1 Bg7 20.a4 Qe7 21.Bf1 Ba6 22.
h4 Bxf1 23.Rxf1 h5 24.Re1 Raa8 25.g3 Qd6 26.Kg2 Kf8 27.Reb1 Kg8 28.Qd1 Bf8
29.R3b2 Bg7 30.Rc2 Ra7 31.Rbc1 Nb8 32.Ne2 Rc7 33.Qd3 Ra7 34.Qb3 Ra6 35.Nf4
Rd8 36.Nd3 Bf8 37.Nfe5 Rc8 38.Rc3 Be7 39.Nf4 Bf6 40.Ned3 Ra5 41.Qxb6 Rxa4 
42.Rc5 Ra6 43.Rxd5 Qxf4 44.Qxa6 Qe4+ 45.f3 Qe6 46.Qc4 Qxe3 47.Ne5 Rf8 48.
Rc5 Be7 49.Rb1 Bxc5 50.Rxb8 1-0

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.06.11"]
[Round "21"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "C92"]
[EventDate "1969.04.14"]
[PlyCount "105"]

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 Nd7 10.d4 Bf6 11.Be3 Na5 12.Bc2 Nc4 13.Bc1 Bb7 14.b3 Ncb6 15.Be3 Re8 
16.d5 Rc8 17.Nbd2 c6 18.c4 cxd5 19.cxd5 Qc7 20.Rc1 Qb8 21.a4 Nc5 22.axb5 
axb5 23.Ra1 b4 24.Qe2 Nbd7 25.Bd3 Nxd3 26.Qxd3 Ba8 27.Nc4 Nc5 28.Bxc5 Rxc5
29.Ra4 h6 30.Qd2 Be7 31.Rea1 Bb7 32.Qxb4 f5 33.Ra7 Rc7 34.exf5 Qc8 35.Ne3 
e4 36.Nd4 Bf6 37.Rf1 Ba6 38.Rxc7 Qxc7 39.Qa4 Ra8 40.Rd1 Qb8 41.Nc6 Qb7 42.
Qxe4 Qxb3 43.Re1 Bc3 44.Rb1 Qa2 45.Nb4 Qa4 46.Qe6+ Kh8 47.Qxd6 Be2 48.Nc6 
Qa2 49.Rb8+ Rxb8 50.Qxb8+ Kh7 51.Qg3 Bh5 52.Kh2 Be1 53.f6 1-0

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.06.13"]
[Round "22"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D55"]
[EventDate "1969.04.14"]
[PlyCount "62"]

1.c4 e6 2.d4 d5 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Qd2 b6
9.cxd5 exd5 10.Rd1 Be6 11.g3 Nd7 12.Bg2 Be7 13.O-O c6 14.Qc2 Rc8 15.Ne5 
Nxe5 16.dxe5 f6 17.exf6 Bxf6 18.Ne2 Qd6 19.Rd2 Rfd8 20.Rfd1 Qe7 21.Nf4 Bf7
22.Bh3 Rc7 23.Bf5 g5 24.Ne2 c5 25.e4 Bd4 26.Nxd4 cxd4 27.Qd3 dxe4 28.Bxe4 
Kg7 29.Qf3 Qf6 30.Qxf6+ Kxf6 31.b3 a5 1/2-1/2

[Event "World Ch"]
[Site "Moscow URS"]
[Date "1969.06.16"]
[Round "23"]
[White "Spassky, Boris"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "B48"]
[EventDate "1969.04.14"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be3 a6 7.Bd3 Nf6 8.O-O 
Ne5 9.h3 Bc5 10.Qe2 d6 11.f4 Ned7 12.Nb3 Bxe3+ 13.Qxe3 b6 14.Rae1 Bb7 15.
e5 dxe5 16.fxe5 Nd5 17.Nxd5 Bxd5 18.Rf4 b5 19.Nd4 Rb8 20.c3 g6 21.a3 O-O 
22.Rh4 f5 23.exf6 Rxf6 24.Be4 Nc5 25.Bxd5 exd5 26.Qe7 Qxe7 27.Rxe7 h5 28.
Nf3 Ne4 29.Rd7 Rd6 30.Rxd6 Nxd6 31.Rd4 Nc4 32.Rxd5 Nxb2 33.Rd6 a5 34.Rxg6+
Kh7 35.Rc6 Nc4 36.a4 Nb2 37.axb5 Rxb5 38.c4 Rb7 39.c5 Ra7 40.Rd6 Kg7 41.c6
1/2-1/2

