Chapman/Judy Relays
1NT - 2
Responder could have :
- A weak 5-5 minor hand
- A weak single suited minor hand
- A slammish hand with one or both minors
Opener assumes that responder has a weak 5-5 minor hand and bids:
- 2NT says I prefer
- 3
says I prefer
Responder with the weak hand bids a minor to play
After opener`s rebid:
- 3
bid by responder is a slam try in
- 3
is a slam try in 
Opener bids
- 3NT with only a doubleton and no slam interest. However responder can push on by cuebidding .
- With support for the minor , opener cuebids up the line.
- 4
is not a cuebid ( when
the suit ) but is keycard gerber. 4
is keycard when
are the suit.