[Event "Botvinnik - Smyslov World Championship Match"]
[Site "Moscow URS"]
[Date "1957.03.12"]
[EventDate "?"]
[Round "4"]
[Result "0-1"]
[White "Vasily Smyslov"]
[Black "Mikhail Botvinnik"]
[ECO "B62"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2
a6 8.O-O-O h6 9.Be3 Bd7 10.f3 b5 11.Nxc6 Bxc6 12.Qf2 Qc7
13.Bd3 Be7 14.Qg3 g6 15.Kb1 O-O-O 16.Qf2 Kb7 17.Ne2 e5 18.Nc1
d5 19.exd5 Nxd5 20.Rhe1 f5 21.Nb3 Nxe3 22.Qxe3 Bd6 23.c4 bxc4
24.Bxc4 Qb6 25.Qe2 Ka7 26.Rc1 Bb7 27.Red1 e4 28.Bd5 Bf4
29.Bxb7 Bxc1 30.Bd5 Be3+ 31.fxe4 fxe4 32.Qc4 Rh7 33.Qxe4 Rhd7
34.Rd3 Bg5 35.Qf3 Rxd5 36.Rxd5 Qg1+ 37.Kc2 Rc8+ 38.Kd3 Qb1+
39.Kd4 Qxb2+ 40.Ke4 Re8+ 41.Kd3 0-1