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Planning a Compound Squeeze

  1. The first thing to do is to determine your squeeze cards and threats number.
    You must have two squeeze cards in the same hand. The hand facing the squeeze cards must have at least one idle card.
    The two hands must share three one card threats : two bilateral threats and one unilateral threat.
    The unilateral threat is the t threat. The bilateral threats are either u,v p,q . The u and v threats are beside the squeeze card. The p and q threats are facing the squeeze card. The unilateral threat is guarded by its own right hand opponent.
  2. The second thing to do is to count the loosers.
    If You have exactly one looser you may be able to catch the opponents in a compound squeeze.
    If you have two loosers exactly you may eventually think of another squeeze. If you can't find another squeeze or if you have more loosers and want to go on for a compound squeeze, you must loose as many tricks as necessary to reduce your looser count to exactly only one.
    Each threat in a hand is a looser. So, a hand with two threats have two loosers. This looser count is reduced to one when there is in front of these two threats, a squeeze card or a high card in the third threat suit :
    • When the bilateral threats and the squeeze card are in the same hand, the high card must be in the unilateral threat suit which should be enhamced
    • When the bilateral threats are splitted and the squeeze card is in the hand with the two threats, , the high card must be in the suit of the bilateral threat facing the unilateral threat which should be like AKb/x.
    If your threats and squeeze cards arrangement in place and number require such a high card, the compound squeeze will not be possible if you don't have this card. That is an easy way to find out that no compound could be possible with your cards.
  3. The third thing to check is the Total. The Total is the number of cards one defender must keep in order to
    1. guard all of your threats
    2. and follow on your high cards
    . Calculated with the three threats for one defender, the total must be N+2 where N is the number of cards in each hand.
  4. A fourth thing to do is to count the number of high cards in front of the bilateral threat :

Mechanism

The defender who guards the unilateral threat is the primary one. He guards three suits and will be squeezed on the first squeeze card. He can't discard the guard of the unilateral threat so he will discard the guard of one of the bilateral threat who will became an unilateral threat. The Compound Squeeze transforms into a Double Squeeze which is called the Deriving Double Squeeze.

As for the double Squeeze, there is two different ways for playing a Compound Squeeze

  1. The two bilaterals threats are no in the same hands The Squeeze cards are in the hand with two threats. The solitary bilateral threat is AKb/x

    The declarer do not need any other lead transferring lines. The compound squeeze will always transform in an effective double squeeze.
    If the declarer discards the AKb/x bilateral,the declarer plays all the high cards in the squeeze cards hand besides those of the still bilateral threat and give the lead to the other hand using the former bilateral threat.
    If the declarer discards the bilateral beside the squeeze cards, the declarer play first all the high cards in the other hand then come back to his hand, using the former bilateral threat.

  2. The two bilateral threats are not in the same hand. The Squeeze cards are in the hand with only one bilateral threat which is not AKb/x

    1. First Step : Stripping the right threat suit
      After the play of the first squeeze card, the bilateral threat which has been discarded on the first squeeze card became the right threat of the Deriving Double Squeeze, the left threat of which will be the initial unilateral threat. The declarer must eliminate all the high cards of the right threat suit in both hands. Having been a bilateral threat, the right threat will always provide a way to give the lead to the hand facing the squeeze card The declarer will play all the high cards of this suit and return to the squeeze card hand in order to eliminate the remaining high cards of the right threat suit. Any threat suit may be used to give back the lead. With the cards on the left,$co and $ca can be used
      At the end of this step, the lead must be in the bilateral threat hand with a lead tansferring line to the other hand in either the bilateral threat suit $pi or the left threat suit $ca still at his disposal.
    2. Second Step : stripping the bilateral threat hand.
      All the other high cards of the hand besides those of the bilateral suit must be played. They may be played in any order. The last high card of the squeeze card suit must be played when the bilateral threat have the lead (and because the first step had already been completed,there is no more high card of the right threat suit in any hand}.
    3. Third Step : Stripping the other hand.
      At the end of the second step, the hand facing the bilateral threat may have high cards in only two suits : either the bilateral threat suit or the left threat suit.
      Only one high card is needed if there is one samll card of the same suit in the bilateral threat hand. If there is more than one high card, any of those two suits may be used to transfer the lead. After the lead had been transferred, the high cards of this hand may be played in any order.

  3. All the other cases

    4. The declarer needs only one lead transferring line giving the lead to the hand with the initial unilateral threat in order to be able to accomplish the two steps process
    1. First Step : Stripping the bilateral threat hand.
    2. Second Step : Stripping the other hand.
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