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Shill bidding is the most prominent type of online auction fraud where sellers themselves submit bids to increase the price of an item they have put up for sale, without intending to win. [25] Shill bidding is also one of the most difficult types of fraud to detect, since it is usually conducted by the seller in collusion with one or more ...
Bidding systems can be classified into two broad categories: natural systems and artificial systems. In natural systems, most bids (especially in the early phase of the bidding) denote length in the suit bid. In artificial systems, the bids are more highly codified, so that for example a bid of 1 ♣ may not be related to a holding in the club ...
When a player makes a transfer bid, his or her partner must say, "transfer" (or, under EBU rules, state the suit in question). Sponsoring organizations can require players at all or some levels of competition to have a convention card which is a form completed by the partnership, containing general notes of the system, together with the ...
A bidding sequence which involves both partnerships. Also, competitive bidding. Concession A statement by a player as to the number of remaining tricks that he must lose. See also Claim. Condone To act after an opponent's irregularity without arranging for the penalty specified in the Laws to be applied. Congratulatory jack
This is a list of bidding systems used in contract bridge. [1] [2] Systems listed have either had an historical impact on the development of bidding in the game or have been or are currently being used at the national or international levels of competition. Bidding systems are characterized as belonging to one of two broadly defined categories:
It is a bidding system based on five-card majors and a strong notrump; players may add conventions and refine the meanings of bids through partnership agreements summarized in their convention card. One standardised version, SAYC (Standard American Yellow Card), is widely used by casual partnerships and in online bridge.
Contract points, assigned to each odd trick bid and made; Overtrick points, assigned for each trick taken over the contracted number of odd tricks; A slam bonus for a small slam or grand slam contract bid and made; A bonus, colloquially known as 'for insult', is received at the end of any deal in which a doubled or redoubled contract is bid and ...
Precision Club is a bidding system in the game of contract bridge. It is a strong club system developed in 1969 for C. C. Wei by Alan Truscott , and used by Taiwan teams in 1969. Their success in placing second at the 1969 Bermuda Bowl (and Wei's multimillion-dollar publicity campaign) launched the system's popularity.