In 1920, the machine got a facelift, although it used the same algorithm. Now normal chess pieces were moved by means of electromagnets. A recorded voice would say check or mate (in Spanish ...
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Archaeologists Find a Rare, 1,000-Yr-Old Game Collection and a Well-Preserved Chess Knight Piece Carved From AntlersThe unearthed collection included some exceptionally preserved chess pieces ... After analysis, the pieces came out to be 1,000 years old. All the artifacts were spotted under a collapsed wall ...
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