About this opening
Réti Opening: Anglo-Slav Variation, Capablanca Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A12. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 8 half-moves from the
starting position, with the move sequence 1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4.
It belongs to the Réti Opening family.
Within that family this is a level-2 branch (the Anglo-Slav Variation → Capablanca Variation line). The immediate parent line is Réti Opening: Anglo-Slav Variation, transitioned via 4…Bg4.
The opening sequence in prose form: 1.c4 Nf6, 2.Nf3 c6, 3.b3 d5, 4.Bb2 Bg4. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.