A15

English Opening: Anglo-Indian Defense, Queen's Indian Formation

1. c4 Nf6 2. Nf3 b6

The English Opening: Anglo-Indian Defense, Queen's Indian Formation is a chess opening classified under ECO code A15. It is reached after the moves 1. c4 Nf6 2. Nf3 b6.

It belongs to the English Opening family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

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