1♦ - 12-21, Promises 4+ Diamonds

1♥ - 4+ HCP with 4+ card ♥

  • XYZ is still available
  • Followed by 1NT is likely a NT hand that was not in the point range based on seat position

 

1♠ - 4+ HCP with 4+ card ♠

  • XYZ is still available 

 

1NT - 6-9 HCP denies a major.

 

2♣ - Game Force 3+ clubs

 

2♦ - Game Force Inverted Minor

  • At least 4+ diamonds

ALERT

 

2♥ - Constructive Jump Shift

 

2♠ - Constructive Jump Shift

 

2NT - 10-11 HCP Invitational over a Minor

  • Partner may pass or escape to a minor they are unlikely to have a balanced hand with top range otherwise they would open 1NT
  • Rebid of a minor is an escape and not an invite

 

 

3♣ - Criss-Cross Inverted Minor

 

3♦ - Inverted Minor (6-9 HCP)

  • At least 4+ diamonds and could be weaker with interference

ALERT

 

3♥ - 5-5 in the majors invitational (12-13 HCP)

ALERT

 

3♠ - 5-5 in the majors and game force (14+ HCP)

ALERT

 

3NT - 13-16 HCP denies 4 card major