[Event "World-ch20 Smyslov-Botvinnik +6-3=13"]
[Site "Moscow"]
[Date "1957.04.25"]
[Round "21"]
[White "Botvinnik, Mikhail"]
[Black "Smyslov, Vassily V"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nc3 Bg7 7. Nf3 O-O 8. Ne5 Bf5 9. O-O Ne4 10. Nxe4 Bxe4 11. f3 Bf5 12. Be3 Nd7 13. Nxd7 Qxd7 1/2-1/2