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6. 1NT OPENING - defunct structure

REQUIREMENT: 11-14 HCP, balanced, 4333, 4432, 5332, no four card major

RESPONSES SUMMARY

2C Transfer to hearts, 2D = 3 card support, outside doubleton and maximum
2D Transfer to spades, 2H = 3 card support, outside doubleton and maximum
2H GAME FORCE RELAY - diamond bust by a passed hand
2S Minors takeout - either balanced game invitation, or takeout with 4+4+ minors, or diamond bust - minors takeout only by a passed hand
2NT transfer to clubs
3C 6-card suit, invitational, at least 2/3 top honours.
3D 6-card suit, invitational, at least 2/3 top honours.
3H 6-card suit, invitational, at least 2/3 top honours.
3S 6-card suit, invitational, at least 2/3 top honours.
3NT To play
4C Preemptive in hearts
4D Preemptive in spades
4H To play
4S To play
4NT Blackwood

After 1NT-2H(R) GF established

(Diamond bust by a passed hand)

Note : minimum/maximum or number of controls is never shown past 3NT without a 4C ask

2S Flat, either 33(43) or (23)44
2NT 5C, (332)5
3C 5D, 2C, i.e. 3352
3D 5D, 2S, i.e. 2353
3H 5D, 2H, i.e. 3253 minimum, 10-12
3S 5D, 2H, i.e. 3253, maximum, 13-14, 0-2 controls
3NT 5D, 2H, i.e. 3253, maximum, 13-14, 3+ controls

After 1NT-2H-2S-2NT (R)

3C 3343
3D 3334
3H 3244
3S 2344, minimum, 10-12
3NT 3244, maximum, 13-14, 0+ controls
  Note: bid shortage

After 1NT-2H-2NT-3C (R)

3D 2D, 3325
3H 2H, 3235
3S 2S, 2335, minimum, 10-12
3NT 2S, 2335, maximum, 13-14, 0+ controls

After 1NT-2S balanced invitation, minors takeout, or diamond bust

2NT minimum, 11-12 HCP
  3C   signoff, minors takeout with club preference or no preference
    3D 3352 or 3343
  3D   signoff, minors takeout with clear diamond preference (64) or diamond bust
  3H   3244, game forcing
  3S   2344, game forcing
3C maximum, 13-14 HCP, 4+C, may have 4D
  3D   signoff, minors takeout with clear diamond preference (64) or diamond bust
  3NT   conversion by a balanced invitation hand
3D maximum, 13-14 HCP, 4+D
  3NT   conversion by a balanced invitation hand
  Note: with equal length, opener will usually give a 3D rather than a 3C response to conceal the balanced hand when opposite diamond bust hands.

6.2 Major Suit Transfer Sequences

    1. if a super accept occurs:
      1. with a 55, bid Step 2. Pard will then bid Step 1 to ask for the second suit if he is interested (very probably).
      2. with a 54 or 64, bid the shortage at least the level of 2NT (i.e. show 15(43) with 2NT over 2D accept).
    2. if a normal accept occurs, bid the shortage naturally with any unbalanced hand. We'd like to show the 55, but we still need two balanced invitational bids, and we have only five bids to play with. Bid intelligently.
    1. if a super accept occurs, bid 3NT for pard to correct to 4H or 4S .
    2. if a normal accept occurs, bid 2NT with 5332 or 5422, or raise with 6332 or 6331

After 1NT-2C

2D 13-14, 3H, outside doubleton
2H Other hands

After 1NT-2C-2D

2H     Weak, signoff
2S     55 game try or better, values concentrated in suits
  2NT   asking relay
    3C, 3D C,D suit
    3H S suit, H preference
2NT, 3C, 3D S,C,D shortage <2, game try or better
  3H   Wastage
    4H Game values anyway - had slam interest opposite no wastage
3S, 4C, 4D Shortage in 6331 or 7330, semi-solid major suit, 15-17 HCP or better
3NT     Game values only, 5332, 5422, 6322 or 6331.
  4H   Correction (nearly forced)

After 1NT-2C-2H

 2S, 3C, 3D S,C,D shortage <2, game try or better
  3H   Wastage
    4H Game values anyway - had slam interest opposite no wastage
2NT     Invitational 5332, 5422
3H     Invitational 6322, 6331
3S, 4C, 4D Shortage in 6331 or 7330, semi-solid major suit, 15-17 HCP or better
3NT     Game values only, 5332 or 5422
4H     Game values only, 6332 or 6331

After 1NT-2D

2H 13-14, 3S, outside doubleton
2S Other hands

After 1NT-2D-2H

2S     Weak, signoff
2NT     55 game try or better, values concentrated in suits
  3C   asking relay
    3D D suit
    3H H suit, S preference
    3S C suit
3C, 3D, 3H C,D,H shortage <2, game try or better
  3S   Wastage
    4S Game values anyway - had slam interest opposite no wastage
4C, 4D, 4H Shortage in 6331 or 7330, semi-solid major suit, 15-17 HCP or better
3NT     Game values only, 5332, 5422, 6322 or 6331.
  4S   Correction (nearly forced)

After 1NT-2D-2S

2NT     Invitational 5332, 5422
3C, 3D, 3H     C,D,H shortage <2, game try or better
  3S   Wastage
    4S Game values anyway - had slam interest opposite no wastage
3S     Invitational 6322, 6331
3NT     Game values only, 5332 or 5422
4C, 4D, 4H     Shortage in 6331 or 7330, semi-solid major suit, 15-17 HCP or better
4S     Game values only, 6322 or 6331