Chess opening
London SystemA48
The London System is a chess opening classified under ECO code A48. It is reached after the moves:
1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3
Play it vs Stockfish Open in analysis board
Comes from
Main continuations
Related lines in the London System
Train this opening
LibreChess runs Stockfish in your browser — play the London System against the engine at any strength, get hints, and review your game move by move afterwards. Free, no account needed. You can also add this line to your repertoire and drill it with spaced repetition.