EntityQ1339614· pop 23· linked from 544 articlesdouble checkSign in to savein chess, a check delivered by two pieces simultaneouslyConnectionsdiscovered attackEntityonline chessEntitychessEntityInternational Standard Book NumberEntitypawnEntityrookEntitykingEntityqueenEntityknightEntitybishopEntityFIDEEntitycastlingEntityGrandmasterEntitychess openingEntityChess OlympiadEntitycheckmateEntityxiangqiEntityOxford University PressEntitychess pieceEntityDeep BlueEntityCategoriesChess terminology