Trompowsky Attack (A45)
Coups: 1. d4 Nf6 2. Bg5 c5
├── A45 - 1. d4 Nf6 2. Bg5 c5 3. Bxf6 - Trompowsky Attack (3)
└── A45 - 1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3 - Trompowsky Attack: Poisoned Pawn Variation (1)