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AI Finally Masters Hidden-Information Game Stratego

Original: With most information hidden, the game Stratego had stumped AI–until now https://www. nature.com/articles/s41586-026 -11

Researchers report a breakthrough in getting artificial intelligence to play Stratego, a board game long considered a hard challenge because most information is hidden from players. The findings are published in Nature, with a supporting paper on arXiv. Unlike chess or Go, Stratego requires reasoning under deep uncertainty, making it a benchmark for imperfect-information AI. Discussion of the result is just beginning to spread among technology and research communities online.

Why now: A new Nature paper claims an AI breakthrough on a game long used as a benchmark for imperfect-information reasoning.

StrategoNaturearXiv

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• With most information hidden, the game Stratego had stumped AI–until now https://www. nature.com/articles/s41586-026 -11036-y https:// arxiv.org/abs/2511.07312 Comments URL: https:// news.ycombinator.com/item?id=4 9933740 Points: 3 # Comments: 0 https://… · techwire@gamefan.net · 2

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