Lesson 8 – LD Precision Club Bidding System
Review
Interference after 1M Open
1M – (Double) - Ignore 1H – (1S) - Ignore 1M – (1NT) – Stolen bid double or ignore 1M – (2X) -
1NT=>Double 3C(8-9)=>2M 3C(10-12)=>2NT 3D=>3X (Cue bid) All other bids remain the same
1D Open
Responses
1M : 8-12 HCP, 4+ suit 1NT : 8-12 HCP, no 4M, <4D 2X : 13+ HCP, 4+ suit 2D : 8-12 points, 4+ D 3D : 13-15 points, 4+D 4D : 16-18 points, 4+D
Transfer Lebensohl
Used after overcall of 1NT when system bids and stolen bid double are unavailable Used after opponents open weak 2 and partner doubles
Slow path
2NT requesting puppet bid of 3C. Rebid is invitational Rebid of opponents suit indicates 3NT values, stopper, and 4+ cards in unbid majors Rebid of 3NT indicates 3NT values, stopper, no 4 card majors
Fast path
3X is a transfer bid, can be weak or strong Transfer into opponents suit indicates 3NT values, no stopper and 4+ cards in unbid majors 3NT indicates 3NT values, no stopper, no 4 card majors
Competitive Bidding (Opponents open the bidding)
(1X) - ?
1NT : 8-12 HCP, 3+ cards in unbid suits, alertable 1Y/2Y :10-15 HCP, 5+ suit Double : either 13-15 HCP with 3+ cards in unbid suits 13-15 HCP, balanced with stopper in opponents suit NT systems on 16+ HCP and will rebid new suit Weak Jump Overcalls (WJO) in D/H/S 6-10 HCP, 6+ cards in suit 2X (cue bid) : <11 HCP, 5/5 in top 2 unbid suits 2NT : <11 HCP, 5/5 in bottom 2 unbid suits 3C : <11 HCP, 5/5 in top and bottom unbid suits
Practice
Weak 2 – 2D/2H/2S
2X/3X : 11-15 HCP, strong 5 card suit or 6+ card suit 2NT : 11-15 HCP, balanced, stopper Double : 11+ HCP, requesting Transfer Lebensohl response
Practice
1NT (Strong)
Meckwell Defense
Double : Strong or single suited
Pass : Balanced, 8+ HCP 2C : <8 HCP Pass or correct 2D : 8+ HCP Pass or correct
2X : 2-suited hand, see website/spreadsheet 3X : 3-suited hand, see website/spreadsheet