It was getting late so I decided to cash in my chips and go home. house of cards . (a) an ace in the hole (b) a card up his sleeve (c) a poker face (d) a trump.
An ace dealt face -down to a player and thus concealed from others; e.g., having an [Ax] as one's down card in Home Strategy Poker Terms Ace in the Hole.
So, for example, the Queen of Hearts is "QH" and the Ace of Spades is "AS". Rank and suit. We'll want a couple of helper functions to read the rank and suit of a.