411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nc3/3...Nf6/4. Nf3/4...e6/5. Bg5/5...h6/6. Bh4/6...dxc4
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Anti-Moscow Anti-Moscow D43
6...dxc4
Black takes White's offered pawn, but in doing so has relinquished control of the center allowing /7. e4/.
Theory table
all 7. e4 g5 8. Bg3 b5
References
Semi-Slav Defence Anti-Moscow_Variation:_5...h6_6.Bh4_dxc4