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D40 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 - Queen's Gambit Declined: Semi-Tarrasch Defense (1)
Queen's Gambit Declined: Semi-Tarrasch Defense (D40) Coups: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 -
D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense (4)
Queen's Gambit Declined: Semi-Tarrasch Defense (D41) Coups: 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6