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Upside
Down Count and Attitude (UDCA) - Inverting the "standard" meanings and
depending on whether count or attitude signals are appropriate:
Also see books on
Signals
Attitude
signals:
A high-low signal shows
negative
attitude
A low-high signal shows
a positive attitude
Examples:
Partner leads a SK, obviously the top of a sequence. Partner
signals:
Low-High shows interest in the suit, or no
interest in switching to another suit
High-low shows disinterest in the suit,
requesting leader to switch to another suit
Conditions
for attitude signals:
One partner leads the suit,
other partner follows playing to the trick
Either side leads a suit,
partner is void, discarding in a side suit
When the value of providing
attitude signals to partner exceeds the value to Declarer
Also see
Smith Echo
Count
signals:
High-low shows an odd number of cards in
the suit
Low-high shows an even number of cards in
the suit
Conditions
for count signals:
Opponent leads a suit
One partner leads the suit,
other partner follows playing to the trick (although most players show
attitude signals in this scenario)
When the value of providing count signals to partner exceeds the value to
declarer
Also see
Details on signaling
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