The tournament saw models from Anthropic, Google, xAI and DeepSeek compete against each other to be crowned the top AI chess ...

Ding Liren became China’s first world chess champion in 2023 before hitting one of the most inexplicable slumps the game has ever seen. Now he’s locked in a tense battle to defend his crown.

Checkmate: OpenAI's o3 swept Musk's Grok 4 in an AI chess showdown.