peterlane/chess_data: Library for searching/filtering datasets of chess games based on combinations of pieces.

Peter Lane 0a00717cfd iterator for playing through game		11 lat temu
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read-database.rb	3b22548033 robust failure to errors by rescuing exceptions in search and reading games	11 lat temu
show-game.rb	0a00717cfd iterator for playing through game	11 lat temu