[Event "World Championship 25th"]
[Site "Moscow RUS"]
[Date "1963.04.17"]
[Round "11"]
[White "Petrosian, Tigran V"]
[Black "Botvinnik, Mikhail M"]
[Result "1/2-1/2"]
[ECO "D32"]
[EventDate "1963.03.23"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.e3 d5 5.d4 Nc6 6.cxd5 exd5 7.Bb5 Bd6 8.dxc5 
Bxc5 9.O-O O-O 10.b3 Be6 11.Bb2 Qe7 12.Ne2 Rac8 13.a3 Rfd8 14.Ned4 Bg4 15.
Be2 Ne4 16.Qd3 Bd6 17.g3 Nc5 18.Qb1 Ne4 19.Qd3 Nc5 20.Qd1 Ne6 21.Re1 Bc5 
22.Nxc6 bxc6 23.b4 Bb6 24.Qa4 Qe8 25.Rad1 f6 26.Rd2 Qh5 27.Qd1 c5 28.Nd4 
Bxe2 29.Qxe2 Qxe2 30.Nxe2 Ng5 31.Kg2 Ne4 32.Rdd1 cxb4 33.axb4 Rc2 34.Bd4 
Bxd4 35.Rxd4 Rb2 36.h4 Rc8 37.Rxd5 Rcc2 38.Kf3 Nd2+ 39.Kg2 Ne4 40.Kf3 Nd2+
41.Kg2 Nc4 1/2-1/2

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