Ranma ½ (1989)

S1E103 Shogi Showdown

A skilled practitioner of the enigmatic martial art known as Battle Shogi confronts Genma, insisting on a rematch to reclaim the honor he lost in front of his wife. After Genma triumphs once more, the defeated challenger resolves to transform the entire yard into an enormous Shogi board, escalating the stakes of their rivalry.