With most information hidden, the game Stratego

Researchers have developed an AI named Ataraxos that successfully defeated the world's top Stratego player. The AI uses a secondary neural network to manage the game's significant hidden information, a feat previously considered impossible for machines.
Why it matters
This breakthrough demonstrates that AI can now master complex games involving imperfect information and long-term strategy, moving beyond perfect-information games like Chess or Go.
I see what you did there With most information hidden, the game Stratego had stumped AI—until now Adding in a second neural network that guesses the identity of hidden pieces was key.
11 Credit: Vectorwin Credit: Vectorwin Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Deep Blue took down Garry Kasparov at chess in 1997, AlphaGo beat Lee Sedol at Go in 2016, and poker bots have been beating professionals for years. But one classic game called Stratego held out. Even DeepMind, with its exceptional budget, couldn’t build a machine that reliably beat the best human players.
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