[Event "World Championship 21th"] [Site "Moscow RUS"] [Date "1957.03.30"] [Round "11"] [White "Botvinnik, Mikhail M"] [Black "Smyslov, Vassily V"] [Result "1/2-1/2"] [ECO "D79"] [EventDate "1957.03.05"] 1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.c4 c6 5.d4 d5 6.cxd5 cxd5 7.Nc3 O-O 8.Ne5 Nc6 9.O-O Bf5 10.Nxc6 bxc6 11.Na4 Nd7 12.b3 e5 13.dxe5 Bxe5 14.Bh6 Re8 15. Rc1 Rc8 16.Qd2 Qe7 17.Rfe1 Bd6 18.Qd4 Qf6 19.Qxf6 Nxf6 20.Nc5 Nd7 21.Nxd7 Bxd7 22.e4 Ba3 23.Rcd1 Bg4 1/2-1/2