Réti Opening: Anglo-Slav Variation, with g3 4. b3 g6
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Statistics from Lichess
12,712 games: White 50.5% / Draw 8.1% / Black 41.4%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 8,1098,109 | ||
| 4,4834,483 | ||
| 4646 | ||
| 2424 | ||
| 1717 | ||
| 1212 | ||
| 1212 | ||
| 55 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026
Engine evaluation
+0.30 White is slightly better
Best play: 5. Bb2 Bg7 6. Bg2 O-O 7. O-O a5 8. Nc3 Re8 9. d4 Ne4
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
Overview
Réti Opening: Anglo-Slav Variation, with g3 (ECO A11, Flank Openings) is a variation of the English Opening: Caro-Kann Defensive System, reached after 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. b3 g6 (4 moves).
In 12,712 rated Lichess games between players rated 1600 to 2500, White won 50.5%, Black 41.4% and 8.1% were drawn. White's most played move here is 5. Bb2, in 64% of those games.
Written from the Lichess opening list and explorer. Know this line well? Write about it.
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How to answer 4…g6
The most played answer, 5. Bb2, also scores best for White: 55.2%, with White winning 51.1% and Black 40.8% of 8,109 games. Of the main answers, 5. Bg2 scores lowest: 53.6%. Stockfish's first choice is also 5. 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: Anglo-Slav Variation, with g3 (A11)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/reti-opening-anglo-slav-variation-with-g3-4