In 1st and 2nd seat if the next bid by opener is 1NT promises 15-17 (could open a 5 card diamond suit with a NT distribution)
ANNOUNCE: Could be as short as 2 clubs
Pass - ≤4 HCP
1♦ - 4+ points
- XYZ is still available, XYNT is off if NT is bid
- If there is a 4 card major usually promises more values than just bidding the major directly
1♥ - 4+ HCP and promises a 4+ heart suit
XYZ is still available, XYNT is off if NT is bid
1♠ - 4+ HCP and promises a 4+ spade suit
XYZ is NOT available because 1NT systems are on
1NT - 6-9 HCP and no 4 card major
2♣ - Game force inverted Minor
- Should have 5+ clubs
ALERT
2♦ - Criss-Cross Inverted Minor
- Should have 5+ clubs
ALERT
ALERT
ALERT
2NT - 10-11 HCP and denies a 4 card major
Is this response when opener is in 1st/2nd seat still 5-5 minors, just pick one (so bust hand)? do not think so, this is only way to invite with 3-3-4-3 or 3-3-3-4 hands.
3♣ - Inverted Minor 6-9 HCP with 6+ card club support
ALERT
3♥ - 5-5 in the majors with Invitational values
3♠ - 5-5 in the majors with Game + values
3NT - 13-16 HCP and denies a 4 card major