Responder realizes we are missing between 3 and 5 hcp .
Some just bid Gerber and took a flier at the grand slam when no ace was missing.
How would you handle this ?
- - - - - - - - - - - - - - - - - -
One possibility is the structure from the May 2006 ACBL Bulletin :
2NT - 3S! = relay to 3NT
3NT - ?? then:
.......... Pass = to play;
............. ( Needed since direct 3N is major 44 )
.......... 4C = slam try in ♣ ( later versions reverse the 4C/4D attempting to "right-side" )
.......... 4D = slam try in ♦
.......... 4H = ♥ splinter, both minors
.......... 4S = ♠ splinter, both minors
After the 4S-splinter, I don't know the follow-ups.
My suggestion for ANY of the options above is for Opener to just REPLY as if RKC were "asked" .
For example if Responder had bid 4C ( the long minor ) , then 4D ( next step ) = 0/3 ; 4H = 1/4, etc.
And for the BOTH minor cases, Opener would reply 6-Ace RKC .
Responder can continue with some additional "asks", if necessary, and then place the final contract in CLUBS for "pass or correct" ... or place it in 6/7NT.

Help

