English Opening: Anglo-Indian Defense, Queen's Indian Formation (variation 2)

This opening focuses on developing the bishop to a strong diagonal position while maintaining flexibility in the pawn structure.

In this opening, White starts by playing the move c4, aiming to control the center and prepare for a fianchetto of the bishop. Black responds with e6, preparing to develop the light-squared bishop and potentially support a d5 pawn break. White continues with Nf3, developing a knight and preparing for kingside castling. Black mirrors White's knight development with Nf6, aiming to control the center and prepare for kingside castling as well. White then plays g3, preparing to fianchetto the bishop on the long diagonal. Black responds with b6, preparing to fianchetto the light-squared bishop and create a solid pawn structure. White fianchettos the bishop to g2, completing the setup of the bishop on the long diagonal. Black follows suit by fianchettoing the bishop to b7, mirroring White's setup. This opening leads to a flexible pawn structure and allows for various pawn breaks and piece maneuvers for both sides.