DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS WBF Convention Card 2.19 OVERCALLS (Style; Responses; 1/2 Level; Reopening) OPENING LEADS STYLE 1 LEVEL: 9 - 17 HCP, always 5 c ards, at least 3HCP in the suit Lead In Partner's Suit Responses: 1/1 F 9+ HCP ; 2/1 F12+ with always 5 cards Suit 2 nd / 4 th 2 nd / 4 th Responses after DBL from opener res ponder: non forcing with no fit NT 2 nd / 4 th 2 nd / 4 th Category: Green Country: Bridge Champ Cue bid response: 10+ hcp with fit Subseq 2 nd / 4 th 2 nd / 4 th Players: B ridge Champ Bot Event: ALL Other: Version: B C CC v1.1 Updated: 2023.02.26 1NT OVERCALL (2ND/4TH Live; Responses; Reopening) LEADS SYSTEM SUMMARY 2nd/4th live= 15 - 17 with a stopper in opponent suit Lead Vs. Suit Vs. NT GENERAL APPROACH AND STYLE Responses= same as over 1NT opening Ace A/AX/AK+ AKQ/AKQ+/AKJ/AKJ+/AK109+ SAYC Reopen ing= 11 - 14 May be semi - balanced King K/KX/KQ10/KQ+ KQJ/KQJ+/KQ10+ 1}= 3 + cards/1{= 3 + cards Queen Q/QX/QJ/QJ+ QJ10/QJ10+/QJ9+ 1]/[=5+ cards Jack J/JX/J10/J10+ AJ10+/KJ10+/J109/J108+ 1NT=15 - 17 Balanced hand. JUMP OVERCALLS (Style; Responses; Unusual NT) 10 K109/Q109/10/10+/109+ A109+/K109+/Q109+/1098/1097+ 2 NT= 20 - 22 Balanced hand 1 - Suit: Weak 9 9/9X/98+ 98X+ 2 - Suit: M ich a els. 1M - 2nt= Both minors weak (up to 11 hcp); Cue bid: Other Major+ one minor Hi - x Even Even 1NT Openings: 15 - 17 Responses= 2NT/4NT ask for the minor - minor request Lo - x Odd Odd 2 OVER 1 Responses are forcing for one round at least Reopen: System on SIGNALS IN ORDER OF PRIORITY SPECIAL BIDS THAT MAY REQUIRE DEFENCE DIRECT and JUMP CUE BIDS (Style; Responses; Reopen) Partners Lead Declarer's Lead Discarding Cappelletti over 1NT opening Michaels cue bid Suit 1 st Attitude not implement ed C ount Lavinthal Two openings are weak (only two clubs in strong) Over 1M cue bid will show other Major and one of the minors (5 - 5 at least) and 7 - 11 hcp 2 nd Count Suit preference Count Jordan 2NT (1M(x) 2NT shows 10+ with at least 4 cards fit) Over 1m cue bid will show both Majors and 7 - 11 hcp 3 rd Michaels cue bid NT 1 st Attitude not implemented count Lavinthal VS. NT (vs. Strong / Weak; Reopening; PH) 2 nd Count Suit preference Count Cappelletti 2 nd and 4 th seat 3 rd X= strong hand 17+ HCP (partner should pass with 5+ hcp) Signals (including Trumps): standard count and attitude 2CL= 6 card s at least in one suit 9 - 16 hcp; pa rtner may pass with clubs/bid 2d for pass or correct/ bid his own 6 cards major suit Smith Eco at notrump (high card likes ) not implemented 2D= Both Majors - at least 5 - 5; partner may pass with no majors and long diamonds/ part ner may choose his better Major 2H/2SP= 2 suiters Major + minor 5/5 and 10 - 16 hcp; p artner may bid 2nt for minor request DOUBLES 2NT= both minors 5/5 at least; p art ner may choose his better minor TAKEOUT DOUBLES (Style; Responses; Reopening) VS. PREEMPTS (Doubles; Cue - bids; Jumps; NT bids) We may make a light takeout double with good shape Leaping Micha e ls Responses= natural : not jump 0 - 7, jump 8 - 12, cue bid shows 13+ N.T biddings natural, over 2n .t 15 - 17, transfers and stayman Balancing double or double after passed hand can be 9+ hcp DOUBLE= standard take out double at the two level or any big double hand Responses for double after passed hand: not jump 0 - 9, jump 10 - 14, cue bid shows 15+ VS. ARTIFICIAL STRONG OPENINGS SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES/REDOUBLES SPECIAL FORCING PASS SEQUENCES System On Doubles and redoubles may usually show cards/points - Redouble after the partner opened at the 1 level show 10+ hcp and Redou b le after the partner opened weak two shows 16+ hcp When clear situation pass ask partner to double or bid 5 level not implemented Support double and Redouble up to 2spades not implemented When opponents double penalty our 1NT opening not implemented DEPO - after opponents bid over our 4NT RKBC – double shows even number of key cards and Pass shows odd number of keycards. IMPORTANT NOTES THAT DON'T FIT ELSEWHERE OVER OPPONENTS' TAKE OUT DOUBLE After opponents dbl out 1 level bids= any bid is NF up to 9 hcp and XX shows 10+ hcp. 2NT over 1M will be Jordan 2NT. Lead directing double Psychics: very rare W hen the opponents dbl our weak two opening, an y bid is non forcing except 2nt; XX will show strength 16+ hcp (might include distributional points) OPENING TICK IF ARTIFICIAL MIN. NO. OF CARDS NEG.DBL THRU DESCRIPTION RESPONSES SUBSEQUENT ACTION COMPETITIVE & PASSED HAND BIDDING 1 - 3 4 LEVEL Better minor, 3 - 3 Usually 1♣ Nat, can skip ♦ if have ♥ /♠ and weak Check back stayman not implement ed Jump new suit by opener - forcing Jump new suit by responder - invitational 1 - 3 4 LEVEL Better minor. Can be 3 cards when 4432 or ♦ Much stronger than ♣ Nat 1 LEVEL 6+ at least 4 cards 1nt - 6 - 9 hco 2nt - 10 - 12 hcp no majors 3nt=13+ hcp no majors Check back stayman not implemented Jump new suit by opener - forcing Jump new suit by responder - invitational 1 - 5 4 LEVEL 11 - 21 5+ hearts 2nt jacoby, Bergen, 1M - 3M: 2 - 5 (after X) 1 LEVEL 6+ at least 4 cards 2 LEVEL 10+ hcp 1nt - 6 - 9 hco 2nt - 10 - 12 hcp no majors 3nt=13+ hcp no majors Check back stayman not implemented Jump new suit by opener - forcing Jump new suit by responder - invitational 1 - 5 4 LEVEL 11 - 21 5+ spades 2nt jacoby, Bergen, 1M - 3M: 2 - 5 (after X) 1 LEVEL 6+ at least 4 cards 2 LEVEL 10+ hcp 1nt - 6 - 9 hco 2nt - 10 - 12 hcp no majors 3nt=13+ hcp no majors INT - Bal 2 - 4 - 5 - 2 2 - 2 - 3 - 6 15 - 17 4 Suit transfers (2Nt ♦ ) non - forcing , Stayman , Texas, Smolen, 3 ♦ : 55M 5 - 6 not implemented points, 3M: 1 - 3 - 4 - 5, GF not implemented , Min/Max, Gerber (4♣) X - penalty 2 X - 23+ OR 9 Tricks with 17+ hcp or 22+ unbalanced 2 ♦ : Relay 0 - 7 hcp , Suit: Good 5 cards suit, 8+ , 2nt =8+ balanced or no good suit 2♣ - 2x 2Nt: Sys tem on 2 - 6 (5) W eak 5 - 10 HCP Nat , NEW SUIT IS FORCING , 2NT - feature , 3 Level support: Not inviting not implemented 2 - 6 (5) W eak 5 - 10 HCP Nat, NEW SUIT IS FORCING , 2NT - feature , 3 Level support: Not inviting not implemented 2 - 6 (5) W eak 5 - 10 HCP Nat , NEW SUIT IS FORCING , 2NT - feature , 3 Level support: Not inviting not implemented 2NT - Bal 2 - 4 - 5 - 2 2 - 2 - 3 - 6 20 - 22 3 ♦ / ♥ Transfers, stayman 3 - 7 (6) W eak 5 - 9 HCP Nat , NEW SUIT IS FORCING 3 - 7 (6) W eak 5 - 9 HCP Nat. NEW SUIT IS FORCING 3 - 7 (6) W eak 5 - 9 HCP Nat. NEW SUIT IS FORCING 3 - 7 (6) W eak 5 - 9 HCP Nat. NEW SUIT IS FORCING HIGH LEVEL BIDDING 3NT X 8 (7) Solid minor not implemented ♣ or ♦ with 6 - 10 HCP and at least 1 honor. 4♣ asking about the suit: pass or correct not implemented Key Card Blackwood 0314(out of 5) Queen of trump asking Gerber 0314 Splinters not implemented Quantitative 4NT Quantitative 5NT Asking for kings (5cl or 5nt depends if was gerber before so 5cl, if was RKBC so 5nt) 4 - 8 (7) W eak Nat 4 - 8 (7) W eak Nat. 4 - 8 (7) W eak Nat. 4 - 8 (7) W eak Nat. 4NT - 6 - 5 Not weak (usually 12 HCP) 2 minors