96/05/24 (update)
1NT OPENING
^^^^^^^^^^^^^
1. Responses
OPN RSP
1NT ??
2C = Stayman ; may have no 4 MAJ
2D = Jacoby transfer to 2H ; promises 5+HEA unless Walsh Relay
2H = Jacoby transfer to 2S ; promises 5+SPA
2S = Minor Suit Stayman ;
1) weak 6+DIA 2) weak 5-5 MIN 3) strong 5-4/5-5 MIN
2NT = transfer to 3C ; 1) weak 6+CLU 2) strong Any 4441
3C/3D = good 6 CLU/DIA with 2/3 TOP, INV
3H = 3145/3154/3244 with good 3 HEA, F to 3NT/4 C
3S = 1345/1354/2344 with good 3 SPA, F to 3NT/4C
3NT = to play, S/O
4C = Gerber
4D/4H = Texas transfer to 4H/4S ; promises 6+HEA/SPA
--4H/4S --4NT = RKC Blackwood
4NT = INV to 6NT
5NT = INV to 7NT
2. Opener's Rebid and Further Develpment
2-1. After Stayman 2C
OPN RSP
1NT 2C
??
2D = no 4 MAJ
--2H/2S = Smolen transfer ; 5-4/4-5 MAJ, INV+
--3C/3D = 5+CLU/DIA, promises 4 unbid MAJ, GF
--3H = Smolen transfer ; 5-5 MAJ, INV
--3S = Smolen transfer ; 5-5 MAJ, GF with no SLAM
--3NT = to play, S/O
--4C = Gerber
--4D/4H = Texas transfer ; 6+HEA/SPA & 4 O_MAJ
--4NT = INV to 6NT
2H = with 4 HEA, may have 4 SPA
--2S = 4 SPA, INV
--2NT = no 4 SPA, INV
--3C/3D = 5+CLU/DIA, promises 4 unbid MAJ, GF
--3H = INV to 4H
--3S = Artificial Splinter Raise ; 4+SUP, with SIN, SLAM
--3NT = ASK for SIN
--4C/4D/4H = SIN showing ( 4H=SPA )
--3NT = to play, choice of 3NT/4S
--4C = Gerber
--4D = Swiss Raise ; 4+SUP, no SIN, SLAM
--4H = to play, S/O
--4NT = INV to 6S/6NT
2S = with 4 SPA, denies 4 HEA
--2NT = may have 4 HEA, INV
--3C/3D = 5+CLU/DIA, promises 4 unbid MAJ, GF
--3H = Artificial Splinter Raise ; 4+SUP, with SIN, SLAM
--3S = ASK for SIN
--4C/4D/4H = SIN showing
--3S = INV to 4S
--3NT = to play, S/O
--4C = Gerber
--4D = Swiss Raise ; 4+SUP, no SIN, SLAM
--4S = to play, S/O
--4NT = INV to 6NT
2-2. After Jacoby Transfer 2D/2H
OPN RSP
1NT 2D
??
2H = forced rebid
--2S = Walsh Relay ; transfer to 2NT, GF
--2NT --3C/3D = poor 6+CLU/DIA, GF
--3H/3S = good 6+CLU/DIA, GF
--3C/3D = 5+HEA & 4+CLU/DIA, GF
--3S/4C/4D = Splinter Bid ; good 6+HEA, SIN showing, SLAM
--4H = good 6 HEA, no SIN, mild SLAM
2S = good hand for HEA, promises 4 HEA
--2NT = retransfer to 3H ; promises 5+HEA
--3C/3D = poor 6+CLU/DIA, GF
--3H/3S = good 6+CLU/DIA, GF
OPN RSP
1NT 2H
??
2S = forced rebid
--3C/3D = 5+SPA & 4+CLU/DIA, GF
--3H = 5-5 MAJ, SLAM
--4C/4D/4H = Splinter Bid ; good 6+SPA, SIN showing, SLAM
--4S = good 6+SPA, no SIN, mild SLAM
3S = good hand for SPA, promises 4 SPA
2-3. After Minor Suit Stayman 2S
OPN RSP
1NT 2S
??
2NT = no 4 MIN
--3C = weak 5-5 MIN
--3D = weak 6+DIA
--3H/3S = strong 5-4/5-5 MIN, SIN showing
--3NT = strong 2254/2245, mild SLAM
--4C/4D = strong 6-4/7-4 MIN, SLAM
3C = with 4+CLU
--Pass = weak 5-5 MIN
--3D = weak 6+DIA
--3H/3S = strong 5-4/5-5 MIN, SIN showing
--3NT = strong 2254/2245, mild SLAM
--4C = strong 5-4/5-5 MIN, SLAM
--4D = strong 6+DIA and 4+CLU, SLAM
3D = with 4+DIA
--Pass = weak 6+DIA or weak 5-5 MIN
--3H/3S = strong 5-4/5-5 MIN, SIN showing
--3NT = strong 2254/2245, mild SLAM
--4C = strong 6+CLU and 4+DIA, SLAM
--4D = strong 5-4/5-5 MIN, SLAM
2-4. After 2NT Response
OPN RSP
1NT 2NT
??
3C = forced rebid
--Pass = weak 6+CLU
--3D/3H/3S/3NT/4C = strong 4441, SIN showing ( 3NT=CLU ), GF
2-5. After 3X Response
OPN RSP
1NT 3C
??
Pass = with poor CLU
3D/3H/3S = with good CLU, STP showing
3NT = with good CLU, to play
OPN RSP
1NT 3D
??
Pass = with poor DIA
3H/3S = with good DIA, STP showing
3NT = with good DIA, to play
OPN RSP
1NT 3H
??
3NT = with HEA STP, to play
4C/4D = to play, S/O
4S = to play, S/O
5C/5D = to play
OPN RSP
1NT 3S
??
3NT = with SPA STP, to play
4C/4D = to play, S/O
4H = to play, S/O
5C/5D = to play