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Ataraxos defeats the strongest human Stratego player at low cost

2 reports 2 reporting sources 2026-10-02New

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The Ataraxos system developed by the research team defeated Niemeijer, the strongest player in history, with an 85% effective win rate in Stratego matches, ending human dominance in this imperfect-information board game.

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Latest development10/2 00:28 (UTC+8)

Ataraxos beats the strongest human Stratego player in history with 16 GPUs Ars Technica · AI

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10/2

00:28
Ars Technica · AI
Ataraxos beats the strongest Stratego player ever with 16 GPUs
Ataraxos, an AI system developed by researchers at Carnegie Mellon, MIT, NYU, and Stanford, beat Pim Niemeijer, considered the strongest Stratego player ever, with 15 wins, one loss, and four draws. Training used only 16 GPUs and cost a few thousand dollars.

10/1

20:58
The Decoder
Ataraxos beats Stratego's strongest human player at about one-five-hundredth of DeepNash's compute cost
Researchers' Ataraxos achieved an 85% effective win rate against Niemeijer, the strongest Stratego player ever, ending human dominance in the imperfect-information board game.

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Ataraxos defeats the strongest human Stratego player at low cost

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