In The Dream of Rhonabwy, a prose tale associated with the Mabinogion, King Arthur and Owain mab Urien play the game with golden men on a silver board.
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A magic gwyddbwyll comparable to Gwenddoleu's appears in the Arthurian romance Peredur son of Efrawg; a number of French versions of the Holy Grail story feature similar chessboards with self-moving pieces, following the Second Continuation of Chrétien de Troyes' Perceval, the Story of the Grail, though in these only one side moves, while the hero plays the other.