Lichess Puzzles By Eco Zip 🔥 Must Read

While the official Lichess database provides puzzles in a single large CSV or BZ2 file, the "By ECO" organization was a specific project shared by community members: download all puzzles - Lichess.org

: Each puzzle entry includes the starting FEN, the move sequence to solve it, the puzzle's rating, and "Themes" tags (e.g., fork, pin, mate in 2). Lichess Puzzles By Eco zip

: Puzzles are grouped into 5 main folders (A through E) and subdivided into 495 specific PGN files by ECO code. While the official Lichess database provides puzzles in