Solved games with their result, method and primary source, and the open problems one step past them. CC0 data.
Freed: a rules-exact Thai Makhos (Thai checkers) engine by Thai people, for Thai people. Native alpha-beta search, NNUE evaluation and 3-6 piece endgame tablebases
Strongly solving Dōbutsu Shōgi: a from-scratch Rust tablebase, a probe API, and a lichess-style explorer.
Every American checkers (English draughts) position with four pieces or fewer, solved exactly: 6,408,836 positions with win/loss/draw and the exact distance to the end. 1.8 MB, CC BY 4.0, with a dependency-free Python reader.
Fixed-past threshold reduction for finite games with repetition rules, with an exact FIDE chess endgame solver under repetition and move-clock rules
Strongly solving Gobblet Gobblers: a from-scratch Rust retrograde tablebase, a probe API, and a move-coloring explorer.
Three-player Chinese Checkers, strongly solved on the 37-cell board: the packed tablebase, the kingmaker analysis, and a live explorer.
Tic Tac Chec, Don Green's 4x4 chess-movement alignment game, strongly solved: a draw under perfect play, with the audited tablebase and a live explorer.
Retrograde-analysis engine for small combinatorial games, plus a browser explorer. Six men's morris strongly solved: a draw over 42,372,745 positions.
Interactive, resumable downloader and verifier for the Gaviota and Syzygy chess endgame tablebases
Shogi4 (4x4 shogi): validated strong-solution engine for the public-domain 4×4 drop-shogi. Rules recovered from the official Android package; 2.1B-position reduced solve; full distributed solve designed and calibrated, not run.
Rules engine, run records, and tablebase experiments for Micro Shogi (4x5 drop-shogi).
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