Supplementary Details

   

2-suited hands 5-5 or better - shown by opening bids:-

3C shows Clubs & Hearts; 3D shows Diamonds & Spades

3C & 3D are 2-suited partner must choose D¦H or H¦S respectively OR force with 3N

2D Multi and rebids of 3C | 3D shows C+H & D+S

CDH (Clubs, Diamonds & Hearts)

2C Shows  Clubs and One or Two higher suits 4-4 or better
2D Shows Diamonds and one or two Majors 4-4 or better
2H Shows Both Majors 4-4 or better

Rubinsohl (2NT, 3C, 3D, 3H, 3S)

Used over 1NT and weak twos - usually a 6 card suit or very good 5 card
All Rubinsohl bids are transfers & * is a T-O
Also used after 1NT * ?
All are transfers showing 5+ card suit &  ** is a T-O showing equal length in minors asking partner to choose, while 2C & 2D are preference bids to stop.
Rubinsohl is also used after 1NT-2X-? with bids of 2N & 3-level transfers.
As above but transfer to X or indicated suit, shows 4 cards in a highest unbid major
All are transfers AND after 2NT-3C  PASS,3D,H,S are to play & promising a guard in X or its indicated suit.

1NT Overcall - NOT BETA's 12-14 opening. Rebid describes the hand.

Usable in 2nd or protective positions..
Responder must bid 2C if RHO passes, 2D is available if Diamonds is the anchor suit  OR if RHO bids: PASS or * with support for anchor suit
Rebids:
2 Anchor suit         To play
3C                           Promises the lowest 2 unbid suits (one of which is the anchor suit). This is a weak 2-suiter. If Hearts is one of the suits
2H.                           Strong 2-suiter in the lowest 2 unbid suits
2NT                         3 suited in the unbid suits 4441 or 4450 - opponents suit excluded. Partnerchooses his best fit
2S                            shows a minor pre-empt, doubler bids 2N to ask which.
2D(if available)         2D Distributional 2C.
3Anchor suit             Strong (15)16+HCP, & 6+ card suit
3Opponents suit        Strong 3-suited hand (same suits as 2S above) (17)18+ HCP
3anyother suits          Strong 6+ card suit, 16+ HCP,   and 4+ cards in Anchor suit                

2C Opening: Responses
2D: 0-4 No Ace or King
2H: 1Ace or 1King or 2Kings
2S: 2Aces OR 1Ace + 1or 2Kings OR 3 or 4 Kings
2NT: 5+ No Ace or King
3NT: 5+ KC A=2, K=1
3X: No Ace or King 7 card suit
Trump Request: responses
Step 1: Jx or less
Step 2: Jxx or less
Step 3: Jxxx or less
Step 4: Qxxx or more

Control Request: responses
Step 1: No 1st or 2nd control
Step 2: 2nd round control (King or Singleton)
Step 3: 1st round control (Ace or Void)
Step 4: AK or AQ or A singleton

Interference in 2C Sequences
Before responder (NT bids included)
  1. PASS: step 1
  2. *¦**:  step 2
  3. Next:  step 3
  4. Next+1: step 4
Before Opener rebids (NT bids ignored)