ECO D44
6 named openings and variations are classified as D44. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Semi-Slav Defense AcceptedD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4
- Semi-Slav Defense: Botvinnik VariationD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4
- Semi-Slav Defense: Botvinnik Variation, Alatortsev SystemD441. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5
- Semi-Slav Defense: Botvinnik Variation, Ekstrom VariationD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5
- Semi-Slav Defense: Botvinnik Variation, Lilienthal VariationD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3
- Semi-Slav Defense: Botvinnik Variation, Szabo VariationD441. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3