EntityQ3555314· pop 7· linked from 8 articlesExcelsiorSign in to savechess problemConnectionsonline chessEntitychessEntitypoetryEntityHenry Wadsworth LongfellowEntitypawnEntityrookEntitykingEntityqueenEntityknightEntitybishopEntityFIDEEntitycastlingEntityGrandmasterEntitychess openingEntityChess OlympiadEntitycheckmateEntityDeep BlueEntitychess pieceEntitySicilian DefenceEntityen passantEntityCategories1861 in chessChess problems