A09

Réti Opening: Advance Variation, Michel Gambit

Chess diagram: Réti Opening: Advance Variation, Michel Gambit after 3…c5

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

48,784 games: White 48.9% / Draw 4.8% / Black 46.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
15,72016K
Réti Opening: Reversed Blumenfeld Gambit 10,69311K
9,9899,989
6,7806,780
3,0963,096
1,2341,234
667667
422422

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

0.00 The position is about equal

Best play: 4. Bb2 f6 5. d3 e5 6. e3 dxe3 7. fxe3 cxb4 8. d4 Nh6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Réti Opening: Advance Variation, Michel Gambit (ECO A09, Flank Openings) is a gambit in the Réti Opening: Advance Variation, reached after 1. Nf3 d5 2. c4 d4 3. b4 c5 (3 moves).

In 48,784 rated Lichess games between players rated 1600 to 2500, White won 48.9%, Black 46.3% and 4.8% were drawn. White's most played move here is 4. bxc5, in 32% of those games.

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How to play against the Réti Opening: Advance Variation, Michel Gambit

4. g3 scores best for White: 55.0%, with White winning 52.0% and Black 42.0% of 3,096 games. The most played answer, 4. bxc5, scores lowest: 48.0% in 16K games. Stockfish's first choice is 4. Bb2.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Transpositions

Cite this page

Caissa Codex. “Réti Opening: Advance Variation, Michel Gambit (A09)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/reti-opening-advance-variation-michel-gambit