This variation of the Compound Guard Squeeze includes the element of the trump suit. An illustration will clarify the situation and the conditions surrounding the squeeze.
AJ10 A7 A4
K6 K5 K6 8
Q75 Q4 Q3
62 87 AKQ
Clubs are trump. When South leads the Ace of Clubs, South discards from dummy a red-suit loser
East becomes squeezed in three suits and must discard either a Heart or a Diamond.
When South next leads the King of Clubs, West discards the suit which his partner East has not discarded. If East discarded a Heart, West must discard a Diamond. If East discards a Diamond, West must discard a Heart.
South discards the second red-suit loser from the dummy.
East discards from the red suit which he has already unguarded, either a Heart or a Diamond, but becomes trump-squeezed by a lead to that Ace by South to that red-suit.
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.