Combinatorics · Oct 6, 2026

Snaky in 21 Maker moves

Settles the Snaky achievement problem: Maker can force the six-cell Snaky shape within 21 of its own moves on the initially empty infinite square board. Maker moves first, each player claims one free cell per turn, and translations, rotations and reflections count as wins.

Contributors

Unreleased OpenAI model

AI systems: Unreleased OpenAI model

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