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The Strong Club System is a set of bidding conventions and agreements used in the game of contract bridge and is based upon an opening bid of 1 ♣ as being an artificial forcing bid promising a strong hand. [1] The strong 1 ♣ opening is assigned a minimum strength promising 16 or more high card points. All other bids would therefore be ...
Ogust is a bridge convention used by responder after his partner has made a weak-two opening bid; its purpose is to gauge the strength of the weak-two bidder's hand. Named after Harold A. Ogust from the United States, the convention is also known as the 'Blue Club response' from the bidding system developed by Benito Garozzo.
Other popular Precision variations on opening bids are using a strong 1NT (14–16 is most common), using 2 ♣ to show only a 6+ club suit and expanding the possible hand patterns for the 2 ♦ bid to include the usual 4–4–1–4 and 4–4–0–5 as well as 4–3–1–5 and 3–4–1–5,1 ♦ bid promises at least 2 diamonds.
The Baron Three Clubs is an alternative to the responder using Stayman over a 2NT opening bid. The responder will have five points or more and an unbalanced hand. The responder bids 3 ♣, which asks opener to bid his four-card suits in ascending order. If clubs are the only four-card suit, the opener bids 3NT.
North - opens the bidding with '1 Heart' East - overcalls by bidding '1 Spade' South - responds by bidding '2 hearts' West - makes a bid of '4 Spades' This bid by West, because it has raised the level of the auction by more than 1 (from 2 hearts to 4 spades), is known as a 'jump bid' and most regulating authorities require him to either say ...
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.
Aspro [1] is a contract bridge bidding convention devised by Terence Reese [2] as a British variant on the Astro convention [3] to intervene over a 1NT opening bid.. Like Astro, Aspro is initiated by a 2-level overcall in a minor suit when the overcaller or intervenor [4] holds an unbalanced hand with at least nine cards in two suits (i.e. 5 in one and 4 in the other), at least one of which is ...
3-1=4-5 distributional hands in the balancing seat regularly double, even with no 4-card major suit. Strong hands, with 19 high card points plus, start with a double and then rebid 2 Notrump (or double) to try to expose a psychic bid. Good 4-4=4-1 distributional hands with a stiff minor suit can start with 2 ♣.