Bird Opening: Wagner-Zwitersch Gambit

1. f4 f5 2. e4

Bird Opening: Wagner-Zwitersch Gambit after 1. f4 f5 2. e4 87654321abcdefgh

The Bird Opening: Wagner-Zwitersch Gambit is a chess opening classified as ECO A02, reached after 1. f4 f5 2. e4. It is a line of the Bird Opening. Black is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 244 times by this move order. White won 49%, 6% were drawn and Black won 45%. The most popular continuation is 2… fxe4 (57% of games).

Engine evaluation: −0.42 (Stockfish, depth 38; best line 2… fxe4 3. d3 exd3 4. Bxd3 Nf6 5. Nf3)

ECO
A02
Moves
3 plies
FEN
rnbqkbnr/ppppp1pp/8/5p2/4PP2/8/PPPP2PP/RNBQKBNR b KQkq - 0 2
PGN
1. f4 f5 2. e4

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14997044%46%
1500-199912050%45%
2000+5454%43%
All24449%45%

Most played moves

MoveGamesWhite / draw / Black
2… fxe4139 (57%)47%45%
2… Nf634 (14%)59%41%
2… e619 (8%)47%42%
2… d617 (7%)35%65%
2… e512 (5%)42%58%
2… g68 (3%)63%12%25%
2… d57 (3%)71%29%
2… Nh64 (2%)50%25%25%

Master games

39 over-the-board games are classified under this line (White 38%, draw 18%, Black 44%). The strongest:

Search all games of the Bird Opening: Wagner-Zwitersch Gambit and its sub-variations

Highest-rated Lichess games

Comes from

Bird Opening 1. f4

Continuations

More Bird Opening lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.