| 1. | Bernard Magee also points out that the LTC can overvalue doubletons.
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| 2. | In addition, many believe that worthless singletons and doubletons are generally overvalued.
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| 3. | The Rosencranz redouble is also used to indicate a doubleton honor in overcaller's suit.
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| 4. | There are four possibilities to first identify the three-card suit and three possibilities to next identify the doubleton.
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| 5. | Because of singletons and doubletons, missing Aces that add losers to a hand tend to outnumber missing Queens that add losers.
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| 6. | A balanced hand contains no voids or singletons, at most one doubleton and not more than five cards in any suit.
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| 7. | A hand with two doubletons will usually have more immediate losers than one with a singleton and 3 cards in the other suit.
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| 8. | Consequently, with NLTC, the number of losers in a singleton or doubleton suit can exceed the number of cards in the suit.
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| 9. | Note that this maneuver will work with any doubleton honor with West, but will cost if West holds QJx, Q10x, or J10x
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| 10. | In the latter case, declarer's only chance to get two tricks from this suit is to play East for ace-jack doubleton.
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