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
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Anti-Moscow Semi-Slav defence D43 Anti-Moscow gambit
6. Bh4 · Anti-Moscow
White has decided to enter the Anti-Moscow variation of the Semi-Slav, a tactically rich and theoretically heavy opening.
Black's main move is /6...dxc4/, taking the pawn that White has declined to defend.
Theory table
all 6...dxc4 7. e4 g5 8. Bg3 b5 6...Be7 6...g5 6...Nbd7
References
Semi-Slav Defence Anti-Moscow_Variation:_5...h6_6.Bh4_dxc4