[Event "World Championship 26th"]
[Site "Moscow RUS"]
[Date "1966.04.18"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "E08"]
[EventDate "1966.04.11"]

1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Be7 5.O-O O-O 6.d4 c6 7.b3 b6 8.Bb2 Bb7 9.
Nc3 Nbd7 10.Qc2 Rc8 11.Rad1 b5 12.c5 b4 13.Na4 Ba6 14.Ne1 Bb5 15.Nd3 a5 
16.a3 bxa3 17.Bxa3 Rb8 18.Rb1 Re8 19.Nc3 Ba6 20.Rfd1 Bf8 21.e4 dxe4 22.
Nxe4 Bxd3 23.Qxd3 Nd5 24.Rdc1 N7f6 25.Nd6 Bxd6 26.cxd6 Qd7 27.Qa6 Rec8 28.
Qxa5 Ne8 29.Qc5 Rb5 30.Qc4 Rbb8 31.Qc5 Rb5 32.Qc4 h6 33.Rc2 Rbb8 34.Rbc1 
Nxd6 35.Bxd6 Qxd6 36.Bxd5 exd5 37.Qa4 Rb6 38.Rc5 Qe6 39.b4 Rcb8 40.Rxc6 
Rxc6 41.Qxc6 Qxc6 42.Rxc6 Rxb4 43.Kf1 Rxd4 44.Ke2 1/2-1/2

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