A09

Réti Opening: Advance Variation, Navara Gambit

Chess diagram: Réti Opening: Advance Variation, Navara Gambit after 3…g5

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

8,421 games: White 44.3% / Draw 4.7% / Black 51.0%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
2,9532,953
2,2362,236
1,3591,359
627627
315315
302302
296296
292292

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 29, 2026

Engine evaluation

+0.10 The position is about equal

Best play: 4. h3 h6 5. g3 Bg7 6. d3 e5 7. Bg2 Ne7 8. Nbd2 O-O

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

Overview

Réti Opening: Advance Variation, Navara Gambit (ECO A09, Flank Openings) is a gambit in the Réti Opening: Advance Variation, reached after 1. Nf3 d5 2. c4 d4 3. b4 g5 (3 moves).

In 8,421 rated Lichess games between players rated 1600 to 2500, White won 44.3%, Black 51.0% and 4.7% were drawn. White's most played move here is 4. Bb2, in 35% of those games.

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

4. Qb3 scores best for White: 53.7%, with White winning 50.4% and Black 43.1% of 627 games. The most played, 4. Bb2, scores 44.5% in 2,953 games, and 4. Nxg5 scores lowest: 43.3%. Stockfish's first choice is 4. h3.

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

Cite this page

Caissa Codex. “Réti Opening: Advance Variation, Navara Gambit (A09)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/reti-opening-advance-variation-navara-gambit