Rex Bridge is likely to become the contract, the valuation of the hand is again counted according to the Contract Bridge practice. A second major difference is the possibility to bid at level 8 and 9. This may seem awkward, as it would take 14 or more tricks to make a contract at level 8 or higher. Even if the declarer takes all 13 tricks, he will still incur a one trick penalty. However, the payment for a made grand slam can still outweigh several doubled penalties. How many depends on vulnerable or not. Consciously bidding higher than what the cards says
Bridge Battle of the Century Bridge Battle of the Century The "Bridge Battle of the Century" was the name given to a celebrated 1931–1932 contract bridge challenge match between Ely Culbertson and Sidney Lenz and their partners. The match pitted Culberson's bidding system, which had been laid out in his widely selling "Contract Bridge Blue Book" of 1930 and was sweeping the bridge world, against the Official System which had been developed by a group calling itself the Bridge Headquarters, of which Lenz was a member along with Milton Work, Wilbur Whitehead, Edward Valentine Shepard, George Reith, and others. The two camps, Culbertson and the