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. Move orders, not transpositions — exactly the paths over the board. Prefer the family trees? Every opening page has one.
1. b4
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♞ You have reached Polish Opening A00 — the catalogued line ends exactly here.
Matching openings 27
- Polish Opening: Birmingham Gambit A00 1 ply deeper
- Polish Opening: Dutch Defense A00 1 ply deeper
- Polish Opening: Grigorian Variation A00 1 ply deeper
- Polish Opening: Karniewski Variation A00 1 ply deeper
- Polish Opening: Outflank Variation A00 1 ply deeper
- Polish Opening: Symmetrical Variation A00 1 ply deeper
- Polish Opening, with d5 A00 1 ply deeper
- Polish Opening: Bugayev Attack A00 2 plies deeper
- Zukertort Opening: Santasiere's Folly A06 2 plies deeper
- Polish Opening: Baltic Defense A00 3 plies deeper
- Polish Opening: Czech Defense A00 3 plies deeper
- Polish Opening: German Defense A00 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