Bird Opening: Siegener Gambit
1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3
The Bird Opening: Siegener Gambit is a chess opening classified as ECO A02, reached after 1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3. It is a line of the Bird Opening. Black is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: −1.14 (Stockfish, depth 32; best line 4… Nf6 5. cxd4 cxd4 6. Nxd4 Bc5 7. Nb3)
- ECO
- A02
- Moves
- 7 plies
- FEN
rnbqkbnr/pp1p1ppp/8/2p5/3p1P2/2P2N2/PP2P1PP/RNBQKB1R b KQkq - 0 4- PGN
1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Comes from
Bird Opening: From's Gambit 1. f4 e5
More Bird Opening lines (all)
- Bird Opening A02
- Bird Opening: Batavo-Polish Attack A02
- Bird Opening: Double Duck Formation A02
- Bird Opening: From's Gambit, Bahr Gambit A02
- Bird Opening: From's Gambit, Langheld Gambit A02
- Bird Opening: From's Gambit, Lasker Variation A02
- Bird Opening: From's Gambit, Lipke Variation A02
- Bird Opening: Hobbs Gambit A02
- Bird Opening: Hobbs-Zilbermints Gambit A02
- Bird Opening: Horsefly Defense A02
- Bird Opening: Lasker Gambit A02
- Bird Opening: Mujannah A02
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.