2...dxc4
Réti Opening · A09 · you play White. 1.Nf3 d5 2.c4 dxc4 3.e3 Nf6 4.Bxc4 e6 5.O-O c5
About the 2...dxc4
When Black takes on c4, White wins the pawn back with e3 and Bxc4 and gets a lead in development. a4 stops ...b5 and d4 breaks in the centre, often leaving White with an isolated pawn and active pieces.
As White you reach the 2...dxc4 after 1.Nf3 d5 2.c4 dxc4 3.e3 Nf6 4.Bxc4 e6. It belongs to the Réti Opening (A09), which has 4 lines on this site. Learn the 2...dxc4 move by move, then play it against the computer until the book moves come automatically. After the opening, the page shows the typical middlegame plans, the endgames that often follow and grandmaster games with the 2...dxc4. Use it to build your set of lines to play with White, and test what you remember with speed training or the random-position drill.