English

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Noun

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over-the-board (uncountable)

  1. (chess, of a match) Taking place in person with players facing each other across the chessboard, as opposed to correspondence games, online tournaments, etc.
    Synonym: OTB
    • 2022 September 7, Sean Ingle, “Magnus Carlsen leaves Sinquefield Cup amid Niemann chess ‘cheating’ furore”, in The Guardian[1]:
      It is extremely difficult to prove cheating in over-the-board chess and there is no evidence of wrongdoing on Niemann’s part at the event.