Beer card cash nine winners, ending with the beer card. If the diamonds don't break, there's a chance that a defender will be pseudosqueezed and choose to discard a diamond. For declarer to discard three diamond honors risks losing the contract unnecessarily, and so forfeits the beer, even if diamonds turn out to break normally. Alternately, if North-South only exclude diamond partials from beer card enforcement, then the declarer in six diamonds can easily beer assuming trumps break. Declarer wins the (say) heart lead in the South hand and cashes one high trump in the North hand. When they break, declarer cashes
International Playing-Card Society International Playing-Card Society The International Playing-Card Society (IPCS) is a non-profit organisation for those interested in playing cards, their design, and their history. While many of its members are collectors of playing cards, they also include historians of playing cards and their uses, particularly card games and their history. The IPCS is based in the United Kingdom, but has members worldwide, especially in Europe. It produces a quarterly journal "The Playing-Card", which publishes articles mostly in English but also in French, German, Italian and Spanish. It also publishes occasional monographs called "IPCS Papers", and issues pattern sheets which systematize types