Current position
Trompowsky Attack: Classical Defense
1.d4 Nf6 2.Bg5
The Trompowsky Attack starts with 1.d4 Nf6 2.Bg5 and is catalogued under ECO A45, in the flank openings half of the book. The catalog indexes 10 lines inside it, grouped into 9 named variations, and the position after those moves has 1 playable continuation to walk from here.
Root edges show how often each move is played around your Elo. Use the arrow on a position to reveal the next replies.
Current setup
Move ideas
Takes central space with a protected pawn and frees the queen’s bishop.
Idea: Build a stable center that supports a broad positional setup.
Develops a knight and prevents White from occupying e4 unchallenged.
Idea: Keep the central pawns flexible and choose an Indian setup after White commits.
Develops the bishop to g5, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Advances to e6 to claim central space and control nearby key squares.
Idea: Give the pieces room to develop behind a durable central foothold.
Waiting for Lichess game popularity.
Each line below is an indexed entry under Trompowsky Attack. Open one to load it on the board and keep exploring from that position.
ECO groups openings by the structures they lead to, so these families tend to share plans with the Trompowsky Attack.