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
Principle of fast arrival to game leave less room for slam investigation, they imply an absence of slam values and therefore discourage more bidding. In addition, on weaker (or limited) hands fast arrival has a pre-emptive effect on the opposition and minimizes the information they might otherwise exchange. Stated conversely as the principle of slow arrival, the approach leaves more bidding space for stronger hands to explore for slam or choose the optimum game contract. Principle of fast arrival In the game of contract bridge, the principle of fast arrival (also known as the principle of slow arrival) is a bidding treatment widely used