Réti Opening: Advance Variation, Michel Gambit

An entry in the Encyclopedia of Chess Openings (ECO A09), reached after 6 half-moves: 1. Nf3 d5 2. c4 d4 3. b4 c5.

Black rook — Use ← → arrows or click moves to step through.

Black knight — Use ← → arrows or click moves to step through.

End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Réti Opening: Advance Variation, Michel Gambit is an opening in the Encyclopedia of Chess Openings, classified under code A09. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 6 half-moves from the starting position, with the move sequence 1. Nf3 d5 2. c4 d4 3. b4 c5.

It belongs to the Réti Opening family. Within that family this is a level-2 branch (the Advance Variation → Michel Gambit line). The immediate parent line is Réti Opening: Advance Variation, transitioned via 3…c5.

The opening sequence in prose form: 1.Nf3 d5, 2.c4 d4, 3.b4 c5. 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.