[Event "USSR Championship"] [Site "?"] [Round "0"] [White "Kan"] [Black "Botvinnik"] [Result "1-0"] [ECO "C51"] [Opening "Evans Gambit"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Nc3 Nf6 7. Nd5 {White grab s some space in the center and offers his opponent a pawn. Black takes the bait but soon finds himself swamped in the middle.} 7... Nxe4 8. O-O O-O 9. d3 Nf6 {Botvinnik must have felt that with his king out of the center there was no danger, but he quickly realizes that this is not the case.} 10. Bg5 d6 11. Nd2 {Kan uses his lead in development to gang up on f6. If White can occupy f6, mate will follow effortlessly. Botvinnik tries heroically to stop this, but the cost is too high.} 11... Bg4 12. Bxf6 Qc8 13. Nxb6 cxb6 14. f3 Be6 15. Bh4 Nxb4 16. Be7 Qc5+ 17. Kh1 Rfe8 18. Ne4 Qc6 19. Bxd6 {Even Botvinnik , a pioneer of dynamic play, could lose like one of Morphy's opponents when he broke the rules in an open game.} 1-0