Réti Accepted: 2...dxc4 3.e3 is variation 2 of 6 in the Réti Opening and King's Indian Attack course, a intermediate opening course for White (ECO A09). It runs 23 moves and begins 1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 …. Black takes the c4 pawn. White regains it simply with e3 and Bxc4, then develops with b3, Bb2 and Qe2, aiming at the centre with d4 or e4. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. Nf3 – Develops and controls e5 and d4.
1... d5 – Black takes the centre.
2. c4 – Attacks d5 from the flank.
2... dxc4 – Black accepts, giving up the centre for a moment.
3. e3 – Opens the f1 bishop so it can recapture on c4.
3... Nf6 – Develops; Black does not try to hold the pawn.
4. Bxc4 – Regains the pawn and develops the bishop to an active diagonal.
4... e6 – Opens the f8 bishop and supports d5 and f5.
5. O-O – White castles quickly.
5... c5 – Black hits d4 so White cannot take the centre easily.
6. b3 – Prepares Bb2 to aim at the long diagonal and the e5 square.
6... Nc6 – Develops and controls d4 and e5.
7. Bb2 – The bishop aims at the long diagonal toward Black's kingside.
7... a6 – Prepares ...b5 to chase the c4 bishop.
8. a4 – Stops ...b5, keeping the bishop on its good diagonal.
8... Be7 – Develops and prepares castling.
The lesson goes on for 7 more moves, each with its explanation.
chessGM