ECO A02 · Bird Opening

Bird Opening: Wagner-Zwitersch Gambit

1. f4 f5 2. e4

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Black to move. The arrow shows Stockfish’s best move.
Best move

2… fxe4−0.06

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

Analyze this position

In the Bird Opening: Wagner-Zwitersch Gambit (A02), reached after 1. f4 f5 2. e4, Stockfish 18 recommends 2… fxe4 for Black. The position is roughly equal (−0.06).

Top engine moves

  1. −0.062… fxe4 3. Nc3 Nf6 4. g4 g6 5. d3 exd3 6. g5 dxc2 7. Qxc2
  2. +0.202… e6 3. exf5 exf5 4. Nf3 Nf6 5. d4 d5 6. Bd3 c5 7. O-O
  3. +0.432… Nh6 3. e5 c5 4. d4 cxd4 5. Nf3 Nc6 6. Nxd4 Nxd4 7. Qxd4

Frequently asked questions

What is the best move in the Bird Opening: Wagner-Zwitersch Gambit?
After 1. f4 f5 2. e4, Stockfish 18 at depth 18 recommends 2… fxe4 for Black, continuing 3. Nc3 Nf6 4. g4 g6 5. d3 exd3 6. g5 dxc2 7. Qxc2. The position is roughly equal (−0.06). The next best moves are 2… e6 (+0.20) and 2… Nh6 (+0.43).
Is the Bird Opening: Wagner-Zwitersch Gambit a good opening?
Stockfish rates the position at −0.06: 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 Bird Opening: Wagner-Zwitersch Gambit?
A02. 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+).