El Ajedrecista, the world's first chess machine, was constructed in 1912 by Spanish engineer Leonardo Torres Quevedo.
The electromechanical automaton, which played rook and king versus king endgames, served as a precursor to modern computer chess engines.
El Ajedrecista's achievement prompted other engineers and scientists to create their own chess-playing machines.
Leonardo Torres Quevedo's AI prototype, El Ajedrecista, is currently on display at Madrid's Museo Nacional de Ciencia y Tecnología de España.
Today, Its achievement is in chess and artificial intelligence history, where computer chess engines can outsmart even the most skilled human players.
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