Opening explorer
Walk any move order through the catalog: pick a book continuation and watch the board, or open the matching ECO lines on the side. By default move orders are strict — flip the toggle to group by position and pull in transpositions.
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Grouping by position: lines that reach this position by a different move order are included too.
1. f4
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♞ You have reached Bird Opening A02 — the catalogued line ends exactly here.
Book continuations win% from 1.5M rated games
Matching openings 27
- Bird Opening: From's Gambit A02 1 ply deeper
- Bird Opening: Hobbs Gambit A02 1 ply deeper
- Bird Opening: Horsefly Defense A02 1 ply deeper
- Bird Opening: Myers Defense A02 1 ply deeper
- Bird Opening: Dutch Variation A03 1 ply deeper
- Bird Opening: From's Gambit, Bahr Gambit A02 2 plies deeper
- Bird Opening: Mujannah A02 2 plies deeper
- Bird Opening: Wagner-Zwitersch Gambit A02 2 plies deeper
- Bird Opening: Dutch Variation, Dudweiler Gambit A03 2 plies deeper
- Bird Opening: Sturm Gambit A03 2 plies deeper
- Bird Opening: Williams Gambit A03 2 plies deeper
- Bird Opening: Double Duck Formation A02 3 plies deeper
…and 15 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia