Réti Opening: Anglo-Slav Variation, Capablanca Variation

The Réti Opening: Anglo-Slav Variation, Capablanca Variation is a chess opening classified under ECO code A12 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 4 moves: 1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4. The resulting position leaves white to move.