Missouri Jump Bid, also known as the Missouri Convoy Bid or the Missouri Mention Jump, is a strategic bidding technique used in the game of contract bridge. It is employed specifically in the context of duplicate bridge, a popular form of the game where each hand is played multiple times with different partners and opponents at various tables. In duplicate bridge, the goal is not to achieve the highest score on a single hand but rather to outperform other pairs who have played the same hand. Missouri Jump Bid is a convention primarily utilized when the opponents open the bidding with one of a suit, and it becomes advantageous for the responder to bid an artificial jump shift in another suit, which is known as the Missouri Jump Bid. By making a jump bid, the responder aims to disrupt the opponents' bidding communication and potentially push them too high or make it more challenging for them to find the optimal contract. The Missouri Jump Bid is considered a preemptive maneuver as it increases the bidding level swiftly, preventing the opponents from comfortably exploring their alternative suit contracts. There are different variations of the Missouri Jump Bid, each serving a unique purpose: 1. Standard Missouri Jump Bid: The standard approach employs a jump bid by the responder at the two-level in a new suit. This bid conveys a strong hand with a long suit and emphasizes the need to take an aggressive stance in the bidding process. The responder's suit is typically expected to be at least five cards in length. 2. Non-Standard Missouri Jump Bid: In this variant, the responder may make a jump bid at the three-level with a suit that is not of the same length as the standard approach. This bid shows a powerful hand with fewer cards in the suit and aims to disrupt the opponents' bidding as effectively as the standard bid. 3. Missouri Mention: A Missouri Jump Bid can also be employed as a "mention," where the responder jumps to a new suit without necessarily possessing a strong hand. This bid is used to alert the partner that the suit mentioned is potentially desirable, encouraging further exploration and possible development of a competitive contract. 4. Missouri Convoy: The Missouri Convoy is a refined form of the jump bid, aiming to indicate a strong hand with a long suit and additional side suit(s). By bidding at a high level (four or higher), the responder conveys an even more powerful holding, putting heavy pressure on the opponents' bidding decision. The Missouri Jump Bid's effectiveness lies in its ability to disrupt the opponents' communication, making it difficult for them to find a suitable contract. However, it does carry an inherent risk of going down in a high-level contract if the responder's long suit does not receive sufficient support from the partner. Therefore, proper partnership understanding and agreement regarding the usage and interpretations of the bid are crucial.
Para su conveniencia, debajo del texto en español le brindamos la versión completa de este formulario en inglés. For your convenience, the complete English version of this form is attached below the Spanish version.