Indian Defense: London System

1.
1. d4
2. Nf6
2.
3. Nf3
4. e6
3.
5. Bf4

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The Indian Defense: London System is a chess opening classified under ECO code A46 (Flank openings). It is a variation of the Indian Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.