ECO A09 · Réti Opening

Réti Opening: Advance Variation, Navara Gambit

1. Nf3 d5 2. c4 d4 3. b4 g5

abcdefgh87654321
White to move. The arrow shows Stockfish’s best move.
Best move

4. Qa4++0.03

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Réti Opening: Advance Variation, Navara Gambit (A09), reached after 1. Nf3 d5 2. c4 d4 3. b4 g5, Stockfish 18 recommends 4. Qa4+ for White. The position is roughly equal (+0.03).

Top engine moves

  1. +0.034. Qa4+ Bd7 5. b5 Bg7 6. Nxg5 e5 7. Ne4 Nf6 8. Nc5 b6
  2. −0.044. h3 h6 5. Qa4+ Bd7 6. b5 c5 7. g3 Bg7 8. Bg2 Qc7
  3. −0.094. g3 g4 5. Nh4 e5 6. Bg2 Be7 7. Qa4+ c6 8. d3 Bxh4

Frequently asked questions

What is the best move in the Réti Opening: Advance Variation, Navara Gambit?
After 1. Nf3 d5 2. c4 d4 3. b4 g5, Stockfish 18 at depth 18 recommends 4. Qa4+ for White, continuing Bd7 5. b5 Bg7 6. Nxg5 e5 7. Ne4 Nf6 8. Nc5 b6. The position is roughly equal (+0.03). The next best moves are 4. h3 (−0.04) and 4. g3 (−0.09).
Is the Réti Opening: Advance Variation, Navara Gambit a good opening?
Stockfish rates the position at +0.03: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Réti Opening: Advance Variation, Navara Gambit?
A09. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).