Home › Openings › Trompowsky Attack Trompowsky Attack: Poisoned Pawn Variation ECO A45 · 1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3 Related variationsTrompowsky Attack: Classical DefenseTrompowsky Attack: Edge VariationTrompowsky Attack: Raptor VariationTrompowsky Attack: Borg Variation Practice this opening · Play against the computer