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
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Semi-Slav defence Semi-Slav defence D43
5...h6
This move invites White into either the positional Moscow variation after /6. Bxf6/, or the tactical Anti-Moscow variation after /6. Bh4/.
Theory table
Moscow 6. Bxf6 Qxf6 Anti-Moscow 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5
References
Semi-Slav Defence