Current setup
Move ideas
Claims the center with a pawn and opens lines for the queen and king’s bishop.
Idea: Build quick development and make early castling possible.
Meets White’s center directly and opens lines for Black’s queen and bishop.
Idea: Fight for equal central space in a balanced, open position.
Develops the king’s knight and attacks Black’s e5-pawn.
Idea: Increase central pressure while getting ready to castle.
Develops the knight to f6, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Develops the knight to c3, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Develops the knight to c6, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Develops the bishop to b5, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Develops the bishop to b4, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Tucks the king away and activates the rook in a single move.
Idea: Finish kingside development so the central pieces can coordinate safely.
Tucks the king away and activates the rook in a single move.
Idea: Finish kingside development so the central pieces can coordinate safely.
Repositions the knight to d5, where it influences a new part of the board.
Idea: Improve the piece’s activity and support the next stage of the plan.
Captures the knight on d5 and changes the local pawn or piece balance.
Idea: Remove an active defender and improve the moving piece’s influence.
Captures the knight on d5 and changes the local pawn or piece balance.
Idea: Open lines in the center and reshape the center for the next phase.
Advances to e4 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 Petrov's Defense. Open one to load it on the board and keep exploring from that position.
19 more named lines sit inside this family — the tree above walks all of them.
ECO groups openings by the structures they lead to, so these families tend to share plans with the Petrov's Defense.