Version 2: The origin of this defense method is unknown. Once the opponents have opened the bidding auction with a Multi 2 Diamonds, which normally shows one of three possible types of holdings, then the following defense method is employed. Some Multi 2 Diamonds openings also show a fourth type of opening, namely a 4-4-4-1 distribution, so the defenders should first acquaint themselves with the version employed by their opponents.
The following defense method applies only to the immediate seat following the Multi 2 Diamonds opener.
Opponent Intervenor Meaning Multi 2 Double Informative double showing 12 plus high card points. The double is forcing only if the partner of the Multi 2 Diamonds bidder passes. 2 Natural. Shows opening values of minimum 12 high card points, and at least a 5-card solid or a 6-card semi-solid Heart suit. 2 Natural. Shows opening values of minimum 12 high card points, and at least a 5-card solid or a 6-card semi-solid Spade suit. 2 NT This is a transfer bid to Clubs. 3 This is a transfer bid to Diamonds. 3 This is a transfer bid to Hearts. 3 This is a transfer bid to Spades.
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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