Queen’s Gambit Declined (D30)
Coups: 1. d4 d5 2. c4 e6 3. Nf3
├── D30 - 1. d4 d5 2. c4 e6 3. Nf3 a6 - Queen's Gambit Declined (1)
├── D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nd7 - Queen's Gambit Declined (3)
└── D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 - Queen's Gambit Declined (10)
    ├── D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. cxd5 - Queen's Gambit Declined (2)
    ├── D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 - Queen's Gambit Declined (5)
    ├── D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 (0)
    ├── D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 - Queen's Gambit Declined: Three Knights Variation (0)
    ├── D30 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 h6 - Queen's Gambit Declined: Capablanca Variation (1)
    ├── D30 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 - Queen's Gambit Declined: Three Knights Variation (1)
    └── D30 - 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 h6 - Queen's Gambit Declined: Traditional Variation (1)