![]() Eric Jannersten, a Swedish expert bridge player, author and founder of the largest European bridge equipment manufacturer, Jannersten Förlag AB bought the patent in 1970 being attributed by some as the inventor. In addition, oral bidding causes noise in tournament halls, and auctions can be easily overheard at the other tables.īidding boxes were invented in 1962 in Sweden by Gösta Nordenson and first used at a World Bridge Championships game in Stockholm in 1970. Such long auctions are hard to memorize and review. With the transition from auction bridge to modern contract bridge, the bidding has become more complex, and conventional auctions often last through several rounds of bidding. For storage purposes, the boxes usually have either a covered compartment at the bottom to store the bidding cards or a cover which is placed over the bidding cards attaching to the box base.Ī bridge auction consists of a sequence of calls (a bid, pass, double, or redouble) made by each player in turn, until it is concluded by a sequence of three consecutive passes. Another alternative is to use side tables, so that bidding boxes as well as refreshments and other belongings can be kept off the playing table. This is inserted into a slit in a free-standing bidding box, which then functions like a clamped one. ![]() In some tournaments an L-shaped metal bracket is slid under the tabletop corners, leaving its other end standing up. The latter has the advantage that it does not occupy space on the table, but it can hamper the players' passage to and from their seats, so it gets damaged more easily. The hanging variant is smaller, with two holders closer together, and attached to the side of the table using C-clamps. There are two main types of bidding boxes: the more common ones are free-standing, placed in the corners on the tabletop. (Left-handed bidding cards overlap in the opposite direction from right-handed ones, and a left-handed player may take their own bidding box while moving through the room.) There is one bidding box for each of the four players, usually placed at the corner of the table to the player's right in duplicate tournaments, boxes remain stationary on the tables. In the other slot are a supply of Pass cards (usually 6-10 cards, commonly colored green), a few Double (red, usually marked X) and Redouble (blue, XX) cards, an Alert card (light or dark blue), a Stop card (red), and, optionally, a Tournament Director card (orange). On the backside of each bidding card are written up all possible results of the corresponding contract: if made exactly or with extra tricks if doubled or redoubled both non-vulnerable and vulnerable. The 35 bid cards are cut with tabs (as in a rolodex) and arranged in a staggered fashion so that any desired bid can be easily removed and placed on the table. One slot contains 35 cards with symbols of bids (5 denominations-clubs ( ♣), diamonds ( ♦), hearts ( ♥), spades ( ♠), and notrump (NT)-in seven levels of bidding, numbered 1–7). Use of bidding boxes has several advantages over oral bidding: it reduces noise in the room, prevents bidding being overheard at neighboring tables, allows easier review of the auction, and reduces the opportunity to pass unauthorized information to one's partner (intentionally or not) by the manner and intonation in which one makes one's bid.Ī bidding box is typically a plastic box with two slots, each containing a set of bidding cards. Their usage eventually spread in Europe, United States and around the world, and today they present a virtually indispensable piece of equipment even for home-played games. ![]() Invented in Sweden in 1962, they were first used at a World Bridge Championships game in 1970. Made in various configurations and sizes, it is typically a plastic box with two holding slots, each containing a set of bidding cards: one with 35 cards with symbols of bids, and the other with cards for other calls (pass, double, etc.). A bidding box is a device used for bidding in bridge, usually in duplicate bridge competitions.
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