Snap Dragon Doubles

The origin of the Snap Dragon Double is unknown as is the origin of the designation. The word snapdragon derives from antirrhinum, which is a genus of plants commonly known as snapdragons from the flowers' fancied resemblance to the face of a dragon that opens and closes its mouth when laterally squeezed, which as a result produces a snap-like sound.

During its course of development and/or employment this concept it also acquired the designation of Fourth Suit Double. The reason for this designation is that the Snap Dragon Double can only be triggered by the player in the fourth seat after the three previous players have bid a suit. A double in the previous bidding sequence is not permitted, which would render any Snap Dragon Double invalid.

The employment of the Snap Dragon Double is triggered in bidding sequences, whereby the Snap Dragon Doubler is the last to bid and is not a passed hand. The Snap Dragon Double promises a 5-card suit in the unbid suit and too few values bid on the two level. The Snap Dragon Double also denies adequate support for the suit of partner.

The following bidding sequences should clarify the concept and the intention of this particular double.

Bidding Sequence I

North   East   South   West   Meaning
1 1 Heart               An opening bid generally promising a 5-card Heart suit.
    2 Two Clubds          

An overcall, also generally promising a 5-card Club suit. Playing Five Card Majors East would have initiated the Takeout Double with 4 cards in Spades and at least 3-card support in the other two unbid suits.

        2 Two Diamonds       A response by partner on the two level in a new suit (forcing) showing sufficient values to compete on the two level. This response does not deny support for Hearts, the suit of partner.
            Double   The Snap Dragon Double. West promises a 5-card Spade suit and insufficient values to bid on the two level. West does not deny insufficient support for Clubs, the suit bid by partner.

 

Bidding Sequence II

North   East   South   West   Meaning
1 1 Heart               An opening bid generally promising a 5-card Heart suit.
    1 Two Clubds           An overcall, also generally promising a 5-card Spade suit.
        2 Two Clubds       A response by partner on the two level in a new suit (forcing) showing sufficient values to compete on the two level. This response does not deny support for Hearts, the suit of partner.
            Double   The Snap Dragon Double. West promises a 5-card Diamond suit and insufficient values to bid on the two level. West also shows insufficient support for Spades, the suit bid by partner.

 

Before using Snap Dragon, both partners should agree:

1. at which level the Snap Dragon Double still applies. The generally accepted guideline is not to employ Snap Dragon Doubles on the three level.
2. upon the strength at which this double can be applied at which level.
3. to make it part of their partnership agreement.

 

 

If you wish to include this feature, or any other feature, of the game of bridge in your partnership agreement, then please make certain that the concept is understood by both partners. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. Check with the governing body and/or the bridge district and/or the bridge unit prior to the game to establish the guidelines applied. Please include the particular feature on your convention card in order that your opponents are also aware of this feature during the bidding process, since this information must be made known to them according to the Laws of Duplicate Contract Bridge. We do not always include the procedure regarding Alerts and/or Announcements, since these regulations are changed and revised during time by the governing body. It is our intention only to present the information as concisely and as accurately as possible.




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