Defensive Bids ACTION AFTER OPPONENTS INTERVENE WITH
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Opening Point Min. Conventional Special SPECIAL USES OF DOUBLES: Bids Range Length Meaning Responses 1. Responsive In general a double is for takeout when a fit is still possible 1. 10+ 4 2NT Baron. Splinters 2. Game try double when no other bid available. 3. Lightner double v slam 1 10+ 4 2NT Baron. Splinters 4. All Doubles are for penalties after partnership pre-empts 1 10+ 4 2NT Jacoby. Splinters. 3NT flat raise (4S,3H) 1 10+ 4 2NT Jacoby. Splinters. 3NT flat raise (4H,3S) 1 NT 12-14 Stayman. 4 suit transfers. 3bids GF 2. GF Game forcing or balanced 25+: 2=relay: 2NT=8 + bal: SLAM CONVENTION Meaning of Response Action if Interference 2 Multi diamond – see supplementary details Name 5.= 3-0 5= 4-1 5= 2 D= 0 OR 3 2 8-11 6 2NT asks shortage. RKCB 5= 2 + Q trumps P= 1 OR 4 2 8-11 6 2NT asks shortage. 5NT=2 with a useful void Next suit up shows 2 2 NT 20-22 5 Card Stayman. RST Transfers. 3 = 5/4 Bid of next suit asks if have Q of trumps 3 bids <9 6 (3NT Gambling) 5N – bid K held or missing K 4 bids 7 Pre-emptive Other Conventions: UCB (including e.g. 1H X 2N – support for H) 4TH suit forcing Defensive Bids Checkback over 1NT rebid Long suit trial bids Transfer breaks – Jump to 3 of suit minimum, 2NT or new suit maximum. Over Meaning Opponents Defensive Methods Leaping and non-leaping Michaels Calls Open Slam try over 2NT (4C=H etc.) Lebensohl Simple Natural 5+ cards Strong 1. X majors, 1N minors Jump Weak 6+ cards Weak Astpro nd 1NT Opening Leads v. suit contracts 4th highest from 2 HIGHEST FROM A BAD Cue Bid Michaels (Weak/Strong) Strong Asptro honours SUIT 1NT AK AKx KQ10 KQx Direct Protective Weak 2 Michaels, Leaping Michaels K109 QJ10 QJx J10x 10xx 16-19 11-14 X unbal 13+: bal 13-15 or 19+: 109X 987x 10xxx Hxxxx Hxxxxx 1NT 2NT 16-18 Hxxx Hxx xx xxx xxxx Responses: As for opener Weak 3 X T/O. nd Other leads: v. NT contracts 4th highest from 2 HIGHEST FROM A BAD 2NT Direct Protective 4 bids X T/O except 4S X penalty, honours SUIT UNT UNT MULTI As over weak 2 In NT, the lead AKx(x) KQ10 KQx of the King asks K109 QJ10 QJx J10x 10xx for an unblock 10xxx 109x 987x Hxx Hxxxxx or for the count Hxxxx Hxxx xx xxx xxxx ACTION AFTER OPPONENTS INTERVENE WITH to be shown The card usually led is highlighted Simple Double T/O TO 4 Bids ) New suit forcing Overcall Jump Overcall Double T/O TO 4 Bids ) UCB CARDING METHODS Describe Primary Method. State alternative in brackets. Double Redouble New Suit Jump Raise 2NT On Partner's Lead High encouraging – Low discouraging (Count) (SP) 9+ penalty forcing pre-emptive good raise to 3 level (UCB) On Declarer's Lead High even – Low odd (SP) When Discarding 1ST Discard – High enc. Low disc (Count) (SP) Exceptions to above Suit preference. Trump signals – (SP) SUPPLEMENTARY DETAILS Name: David Powell 116001 1NT - X Wriggle – Pass to play, xx bid 2c (5 card suit), any (Chis 3, BN 73, FN 91) other suit attempt to find a 4/3 fit Partner: Roy Lambert 426567 (Chis 58) Multi 2 diamond: Opening bid of 2indicating either a six card weak major (2-7 points) or balanced 23-24 pts Jacoby 2NT over opening 1H/S = opening hand + 4 card major sup but unsuitable for splinter nd Replies: new suit at 3 level 2 suit GENERAL DESCRIPTION OF SYSTEM new suit at 4 level splinter 4 level bid of opener suit = min Bidding Methods: ACOL. 4 Card majors. 3NT shows 4/3/3/3 hand 15/19 Multi 2 3 level bid of opener suit = strong single suit Intermediate 2/ Leads: 4th, 2nd (from bad suits Signals: Attitude (High-Low) Count (High-Even Low-Odd) S/P 1st Discard: Attitude (H/L) ASPECTS OF SYSTEM WHICH OPPONENTS SHOULD NOTE MULTI 2: 2 or 2 weak (2-7 points) or strong balanced hand with 23/24 points WEAK 2 or 2 Intermediate 8-11 points Strength of 1NT openers: 12-14 points, 2. response to 1NT Both players of a partnership must have identically completed convention cards. openers is Stayman – non-promissory Cards must be exchanged with opponents for each round. .