Five-suit bridge called "Castle Bridge", in which the fifth suit of Castles looked like a Rook chess piece and was colored green. This pack reused the diamond courts for the new suit. The manual that came with this deck did not use Marseille's rules but Ammiel F. Decker's 1933 rules. Ultimately, the complexity of adding a new suit to the game led to it falling out of popularity by the summer of 1938. The rules are similar to regular contract bridge but the new fifth suit is ranked higher than spades but lower than no-trump in bidding. Decks usually came with one
Bidding maximum bid and stay in the auction. At the end of the auction, whoever's maximum bid is the most wins the lot. Live bidding is a traditional room-based auction. These can be broadcast via a website where viewers can hear live audio and see live video feeds. The idea is that a bidder places their bid over the Internet in real-time. Effectively it is like being at a real auction, in the comfort of the home. Timed bidding, on the other hand, is a separate auction altogether, which allows bidders to participate without the need to see or hear the