amusement competition competitive cruise-liner cruise-ship deck deck-shuffleboard entertainment exterior fading families fun game holidaymakers on-board passengers pastime recreation relaxation relaxing score-board scoring shuffleboard weathered decking flooring scuffed adults billard-Hollandais board championships children competitions disks entertaining family goals hobby individual-players indoor-sport international-tournaments jakkolo leisure marked-slots mathematics maths multiple-players multiplying participants participating players polished pucks rough rules schulbach score scores shoot shooting sjoelbak sjoelen sliding slots smooth smooth-finish sport tournaments