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Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nc3/3...Nf6/4. Nf3/4...e6/5. Bg5/5...dxc4/6. e4
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Botvinnik variation D44 Botvinnik variation
6. e4
White claims the entire center, while revealing the f1 bishop's attack on the c4 pawn. Black must fortify the c4 pawn with /6...b5/.
Theory table
all 6. ... b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5
References
See also