BASIC RESPONSES AUSTRALIAN BRIDGE FEDERATION Jump raises - minors limit forcing Other: Inverted INCORPORATED © Jump raises - majors limit forcing Other: Bergen STANDARD SYSTEM CARD Jump shifts after minor opening Weak but 1A-2B & 1B-3A = limit raise Names: Julian Foster David Weston Jump shifts after major opening Bergen 1C-2D, 1D-3C = 3cs limit raise ABF Nos: 518891 65617 Responses to strong 2 suit opening 2B = negative 0-6(7) Basic System:Weak NT 5 card Major Brown Sticker Responses to 2NT opening 5card stayman, transfers Classification: Green Blue Red Yellow PLAY CONVENTIONS OPENING BIDS 'NT' Versus Notrump 'S' Versus Suit = Both Describe strength, minimum length, or specific meaning Canape Sequence leads: Overlead all All except AK x (x) 1A 3 1B 3 1C 5 1D 5 Underlead Other: AQ = Rev att, K = Rev count 1 NT 11-14 may contain 5 card major Four or more with an honour 4th highest attitude 2A Stayman: simple extended Other: 3rd/5th Other: Transfers 2B to C 2C to D 2D to A From 4 small 2nd highest Other: 2 NTto B Other: From 3 cards (no honour) top middle bottom 2A GF Signal on partner's lead: high encourage low encourage 2B Weak Two 6 card suit } 2NT is a Other: 2C Weak Two 6 card suit } shortage Signal on declarer's lead Rev count 2D Weak Two 6 card suit } ask Discards McKenney high encourage low encourage 2 NT 20-22 Bal odd/even Other: 3 NT Gambling Count natural reverse PRE-ALERTS: CALLS THAT MAY HAVE UNEXPECTED MEANING/S OR REQUIRE SPECIAL DEFENCE CONVENTIONS After 1M-1NT: Rebids are transfers 4NT: Blackwood RKCB Other: 3041 4A Gerber when? Other Conventions 4th suit = GF COMPETITIVE BIDDING Lebehsohl Negative doubles through4C Responsive doubles through 4C 2 way checkback after 1NT rebid Jump overcallsWeak Unusual NT 2 unbid suits Checkback after 2NT rebid 1NT overcall (immediate)15-18 (re-opening) 10-14 Cue raises Immed cue of minor Michaels - majors Immed cue of major Michaels ©ABF Marketing PO Box 397 Over opponent's 1NT (weak) ASPTRO } 2M=Nat, 2A=C+another, 2B=D+another Fyshwick ACT 2609 Over opponent's 1NT (strong) ASPTRO } 2NT=minors Tel: 02 6239 2265 Over weak twos FAX: 02 6239 1816 TO X + Lebensohl Copyright © BCC 6.3.20.1 Over opening threes TO X RESPONSES TO OPENING BIDS CONVENTIONS Describe strength, minimum length or specific meaning Additional responses to 1NT 1A 1B Nat 5+, 4+ B 2NT Nat 10-12 3A/3B 55+ minors, weak / 55+ minors, game force 1C/D Nat 5+, 4+ C/D 3A Weak raise 5-8, 5+ A 3C/3D 55+ majors, invitational / 55+ majors, game force 1NTNat 5-9 3B Splinter 4A Transfer to C, no slam interest 2A Raise 12+, 5+ A 3C Splinter 4B Transfer to D, no slam interest 2B Limit raise 9-11, 5+ A 3D Splinter 4C TP 2C Weak 2-7, 6+ C 3NT TP 4D TP 2D Weak 2-7, 6+ D 4 bids Unusual NT: minors other suits lower 2 unbid suits 1B 1C/D Nat 5+, 4+ C/D 3A Limit raise 9-11, 5+ B other 1NTNat 5-9 3B Weak raise 5-8, 5+ B 2A Nat 10+, 4+ A 3C Splinter Other slam bidding Cue Bids Asking Bids 2B Raise 12+, 5+ B 3D Splinter 4th Suit Forcing One round Game force 2C Weak 2-7, 6+ C 3NT TP NT Checkback Priorities 2D Weak 2-7, 6+ D 4B Defence to 3NT opening X = strong NT, Nat 2NTNat 10-12 4 Other Defence to opening Two's: Multi 2B X=12-15 bal or 19+ any, others = Nat 1C/D 1NTNat 5-9 3A Bergen 6-9, 4+ C/D RCO style 2-s Nat, pass then X = T/O 2A Nat 10+, 4+ A 3B Bergen 10-12, 4+ C/D 2B Nat 10+, 4+ B 3C/D Weak raise 0-6, 4+ C/D Other 2-s TWERB over strong 2C opening 2C/D 1H-2S = limit raise 3NT Balanced game raise 14-15 2NTGF raise > 3L cue, 4L splinter 4A/B Splinter Defence to strong A WOCR^2 X=C or not C, 1B=D or not D, 1C/D/NT=OCR 2A 2B Negative 0-6 (7) 2C/D Positive 5+ suit 2A=ss minor, 2B=ss major 2C/D/NT=OCR 3A+ =TWERB other Lebensohl Over NT interference 2B 2C Nat, F 3A/B A Nat, F / B TP Other uses Over weak twos 2D Nat, F 3C/D Splinter Take out of 4 level pre-empts 4A/4B X 2NTShortage ask 3NT TP 4C X 4D X 2C/D 2NTShortage ask 3NT TP OTHER NOTES 3A/B Nat, F 4A/B Splinter Some anti-lead directing doubles 3C/D Raise / Splinter 4C/D TP 2NT 3A 5 card stayman 4A Nat, slam interest 3B Trf to C 4B Nat, slam interest 3C Trf to D 4C TP 3D Minors 4D TP 3NTTP other.