2 decks. Easy. 1 redeal.
Grandfather Solitaire uses 104 cards (2 decks). You have 20 tableau piles with one card per pile and 8 foundations.
The top cards of tableau piles are available for play on foundations. You can place the cards from the waste pile on any tableau pile in any suit and rank. Each pile may contain up to 2 cards. Spaces are filled automatically from the waste or the stock piles. Cards cannot be moved from one tableau pile to another.
When you have made all the moves initially available, begin turning over cards from the stock to the waste pile. The top card of the waste pile is available for play on the foundations or the tableau.
There is one redeal.
Grandfather Solitaire is one of the solitaire card games included into the BVS Solitaire Collection.