Five-card majors for offensive purposes. However, if the trump cards break 4-1 or 1-4, then drawing trump will result in no trumps left for offensive purposes. The value of five-card majors can be understood then on two levels: But five-card majors have several drawbacks: Both partners must agree to follow the five-card major bidding treatment on their opening bid. Opener must have at least five cards in hearts or spades to start the bidding with that suit. Responder is expected to show support with three-card support, indicating an eight-card fit. With only four cards in a major suit, the opening bidder is
Reverse auction expires. The buyer with the highest offer wins the right to purchase the item for the price determined at the end of the auction. A reverse auction is different in that a single buyer offers a contract out for bidding (by either using specialized software or through an on-line marketplace). Multiple sellers are then able to offer bids on the contract. As the auction progresses, the price decreases as sellers compete to offer lower bids than their competitors whilst still meeting all of the specifications of the original contract. Bidding performed in real-time via the Internet results in a dynamic,