last trick in a round captures the nest and scores any counters in it. The Rook Bird card The Rook Bird card may be played at any time, even if the player who holds it is able to follow suit, and is the only card that may be played this way. If the Rook Bird card is led, all other players must play a trump card, if they have one. The Rook Bird must be played when the trump suit is led and the player holding the Rook Bird card cannot follow suit. Scoring When all possible tricks have been taken, each team adds the counters they captured. If the bidding team failed to make the number of points bid, the team loses a number of points equal to the amount of the bid, and does not make any points for counters captured in the round. The opposing team receives points for any counters they captured. Variants Standard playing cards Kentucky Discard Rook may be played with standard playing cards by removing the 2s, 3s, and 4s from the deck, playing Aces high, and adding one joker to be used as the Rook Bird card. When playing with such a deck scoring changes as follows: each 5 is worth 5 points, each ace and 10 is worth 10 points, and the joker is worth 20 points. A common alternate form of the game (as described in Hoyle's Rules of Games) uses a complete deck of standard playing cards but assigns the point cards differently (aces = 15, kings = 10, tens = 10, fives = 5), and is essentially similar to the 1-High Partnership described below. Four-player partnership Since the game of Rook has been played for over a century, many local variants are in existence for the four-player partnership form of the game. Perhaps foremost is that the game can be played exactly according to the above Kentucky Discard Tournament rules, except using the entire deck, giving all players 13 cards with a 5-card nest. Other variants, including the original form of Kentucky Discard, do not include the Rook Bird, while still others make the Rook Bird the lowest trump or change its relative value, are played without a nest, add the 1 as a 15-point counter that is the highest card in each suit, or give a 20-point bonus for winning the majority of tricks or the last