This line takes a more flexible approach, delaying the development of the kingside pieces and focusing on controlling the center with pawns on d4 and c4. Black often responds with:

The modernized Réti is a dynamic and versatile opening that offers a range of possibilities for White. By understanding the key ideas, strategies, and variations, players can develop a comprehensive repertoire that will serve them well in a variety of situations.

\[3...Nf6\]

One of the key ideas behind the Réti is to delay the development of the kingside pieces, allowing for greater flexibility in the center and on the queenside. This approach also enables White to respond to Black’s central pawns with greater ease.

\[2.c4\]

\[1.Nf3 d5\]