Delphi.science

Snaky in 21 Maker moves

Source: github.com/openai/math/tree/main/preprints/Snaky-in-21-Make…

OpenAI

OpenAI Mathopenai-math/Snaky-in-21-Maker-movesSep 25, 2026math.COAI-generatedscore 0

We prove that Maker can achieve the Snaky hexomino within 21 actual Maker moves against arbitrary legal Breaker play on the initially empty infinite square board. The same bound holds on a $17\times17$ square; in fact, Maker can confine its claims to a fixed 251-cell board.

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