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Like other manakins, the blue-backed manakin is a compact, brightly coloured forest bird, typically 13 cm long and weighing 19 g. The male is mainly black with a bright blue back, and pale orange legs. The crown is typically red, but yellow in C. pareola regina from the south-west Amazon.
Blue Club gave significant advances in finding safe slams, which other systems of that time could miss. Non Blue Club players consider the system to be complicated and artificial but practitioners will point out that it is relatively natural, for instance, other than the artificial one club opening, all one-level opening bids promise at least four cards in the suit, whereas in many other ...
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 ...
The blue manakin or swallow-tailed manakin (Chiroxiphia caudata) is a small species of bird in the family Pipridae. It is found mainly in the Atlantic Forest of south-eastern Brazil, eastern Paraguay and far north-eastern Argentina. Its typical habitat is wet lowland or montane forest and heavily degraded former forest.
The Roman Club system, developed in the 1950s, included a treatment of these three suited hands with 2 ♣ showing a weaker hand and 2 ♦ a stronger hand. A response by partner of 2NT was forcing to game. [1] The Blue Club system of bidding was developed and became widely popular in the 1960s and included a 2 ♦ bid to show a 4-4-4-1 hand ...
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.
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.
Multi-coloured 2 diamonds, is a contract bridge convention whereby the opening bid of 2D shows a defined range of hand types. These always include a weak-two bid in a major suit, and the second option, that must be a strong. The inherent ambiguity as to both suit and strength makes a powerful, and hence popular.