Spiral Cues.
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The spiral cue is the next bid (including NT) other than the agreed trump
suit after an RKC response. Inquirer asks replier to show a number of
important cards with each bid. (Note again there is no need for 4N to be
the RKC ask).
REPLIER SKIPS ONE STEP FOR EACH CONSECUTIVE CARD HELD IN SPIRAL SEQUENCE.
Suppose replier is known to be 4531 precisely, then the cards he might
hold, in order of importance, are:-
1 Q trumps (QH in this case)
2 K of side suit (KS)
3 K of fragment suit (KD)
4 Q of side suit (QS)
5 Q of fragment suit (QD)
6 J of trumps
etc.
Example 1
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KQxx Axx 1H 2N
Qxxxx AKxx 3S 4C (relay)
Kxx AQx 4H (4531) 4S (RKC)
A Jxx 5C (1 ace) 5D (spiral)
6D 7H
The 6D bid showed QH,KS,KD,QS and denied QD.
Example 2
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KQxx Axx 1H 2N
Jxxxx AKxx 3S 4C (relay)
Kxx AQx 4H (4531) 4S (RKC)
A Jxxx 5C (1 ace) 5D (spiral)
5H 6H
The 5H response denied the QH.
IF REPLIER'S RESPONSE SHOWED OR DENIED THE TRUMP Q, IT IS REMOVED
FROM THE SPIRAL.
Example 3
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Kxxx AQx 1H 2N
Qxxxx AKxx 3S 4C (relay)
Axx KQx 4H (4531) 4S (RKC)
A Jxx 5H (2A+QH) 5S (spiral)
6C 7H
The 6C bid showed the KS and denied the KD.
IF ENQUIRER IS NOT INTERESTED IN A PARTICULAR STEP HE MISSES ONE STEP.
Example 4
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Kxxx AQx 1H 2N
Kxxxx AQxx 3S 4C (relay)
AKx Qxx 4H (4531) 4S (RKC)
A Qxx 4N (0 or 3) 5D (spiral but no interest in QH)
5N 7H
The 5H bid showed KS,KD and denied QS.
IF REPLIER'S SHAPE IS UNKNOWN, SIDE SUITS KINGS AND QUEENS ARE SHOWN IN
RANK ORDER (S,H,D,C).
IF REPLIER OR INQUIRER HAVE SHOWN A SIDE SUIT THAT IS THE KEY SUIT (side
suit in earlier examples).
IF BOTH INQUIRER AND REPLIER HAVE SHOWN A SIDE SUIT THEN INQUIRER'S SUIT
IS THE FIRST KEY SUIT (side suit above) AND REPLIER'S SUIT IS THE SECOND
KEY SUIT (fragment above).