WBF Convention Card 2.19
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DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS OVERCALLS (Style; Responses; 1/2 Level; Reopening) OPENING LEADS STYLE Usually 5+ Lead In Partner's Suit WBF Convention Card 2.19 2N=often a raise in competition; jump cue=mixed raise Suit 3rd and 5th NT 4th (2nd from 3 cards) Category: Subseq Country: England Other: Event: Players: David Gold and David Bakhshi 1NT OVERCALL (2ND/4TH Live; Responses; Reopening) LEADS SYSTEM SUMMARY 15-18 with system on Lead Vs. Suit Vs. NT GENERAL APPROACH AND STYLE 11-14(16) with 2}=ENQ in protective position Ace AK(+) AK(+) 5CM; 1m=natural or balanced King KQ(+) AKJ(+); KQx(+) NV: 2{=4/4+MM weak or 25+NT Queen QJ(+) KQ10(+); QJ(+) NV: 2M=5M/4+m weak Jack HJ10(+); J10(+) HJ10(+); J10(+); (K)QJ9(+) V: 2M=Weak 2 JUMP OVERCALLS (Style; Responses; Unusual NT) 10 H109(+); 109(+); 10x H109(+); 109(+) 1-Suit: Intermediate 9 H98(+); 9x H98(+); 9x 2-Suit: 2N=2 lowest Hi-x Sx HSx; xSx 1NT Openings: (11)12-14 NV; 15-17 V Lo-x HxS; xxS; HxSx; xxSx HxxS(+); xxSx(+) 2 OVER 1 ResponsesART FG style Reopen: 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 1}/{-2{/]=5[/4+] Michaels, with 2}=5/4MM and 2{=5/5MM after they open 1} Suit:1st Low=ENC Low=Odd Low=ENC 1}-2]=INV NT (1m)-(1N)-2}=5/4MM; 2{=5/5MM 2nd Low=ODD SP Low=Odd 1m-2[=INV+ raise 3rd SP 1]-1[=0-4[ NT: 1st Low=ENC Low=Odd Low=ENC VS. NT (vs. Strong / Weak; Reopening; PH) 2nd Low=Odd Smith Low=Odd Dbl=MM; 2}=4[/5+m; 2{=5[/4+m; 2M=natural; 2N=mm (20-22 vs weak) 3rd SP SP Signals (including Trumps): SP overtones; Low=DISC on Ace at T1 DOUBLES TAKEOUT DOUBLES (Style; Responses; Reopening) VS. PREEMPTS ( Doubles; Cue-bids; Jumps; NT bids) Standard approach with equal level conversion Dbl=T/O; Leaping Michaels (NF); Non-leaping michaels after 3{ SPECIAL FORCING PASS SEQUENCES VS. ARTIFICIAL STRONG OPENINGS SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES/REDOUBLES Dbl=MM; NT=mm Generally T/O without a fit Many non-penalty dbls in competitive auctions IMPORTANT NOTES THAT DON'T FIT ELSEWHERE Some 1L and 2L transfers in competition OVER OPPONENTS' TAKE OUT DOUBLE 1L Transfers Psychics: OPENING BID DESCRIPTIONS Opening Artificial Min. Neg Dble thruDescription Responses Subsequent Auction Passed Hand Bidding 1} X 2 clubs or 15-17NT NV 2{=5[/4+]; 2]=INV NT; 2[=INV }; 2N=FG; 3N=good 4Transfers after 1N rebid; 1}-1M-2N=ART 1} clubs or 12-14NT V as NV 2}/{=ART (puppet/FG) after 1M/NT rebid 1{ X 2 diamonds or 18-19NT 2]=5[/4+]; 2[=INV+ {; 2N=FG; 3}=INV }; 3N=good 4Transfers after 1N (18-19) rebid; 1{-1M-2N=ART 1] 5 1[=0-4[; 1N=5+[; 2}=ART FG; 2{=3] INV; 2[=any SPTransfer rebids after 1]-1[ 2}=3+] (9-11); 2{=3+] (7-9); 2N=max 4+] raise 1] 2N={ FG; 3}=} INV; 3{=4] INV; 3[/4}=VOID; 3N={ V 1[ 5 1N=F1; 2}=ART FG; 2{=] FG; 2]=3[ INV; 2N={ FG Transfer rebids after 1[-1N 2}=5+]; 2{=3+[ (9-11); 2]=3+[ (7-9); 2N=max 4+[ rai 1[ 3}=m SPL; 3{=4[ INV; 3]=SPL; 3N=] VOID; 4m=VOID 1NT (11)12-14 NV; 15-17 V 2}=R; 2{/]=]/[; 2[=INV NT, }NF, 1m INV or mm FG 1N-2}-2{=most hands; 1N-2}-2]=4414; 1NT 2N=FG R; 3L=SPL; 4}/{=]/[ 1N-2}-2{-2[=5}/4{ or 4441 /(41)44 2} X FG or 23-24NT 2{=R; 2N/3}=}/{; 3{/]=]/[; 3[=5/5mm 2}-2{-3{=5+{/4+} V 2{ X 4/4+MM weak or 25+NT NV 2N=R; 4}/{=PMKC for ]/[ 2{-2N-3}=any max 2{ FG }/{/[ or {+4M V 2]=R; 2N=] positive 2{-2]-3M=4M/5+{ 2] 5NV; 6V 5]/4+m weak NV 2N=R; 3}=P/C; 3{=] INV 2] Weak2 V New suit=F1; 2N=R 2[ 5NV; 6V 5[/4+m weak NV 2N=R; 3}=P/C; 3{=[ INV 2[ Weak 2 V New suit=F1; 2N=R 2NT 20-22 3}=PUP STAY; 3{/]=]/[; 3[=mm; 4L=2 below S/T 2N-3}-3]=no 4/5M; 2N-3{/]-3]/[=3+ support 3} 6 3{=R; 3M=NF NV 3{ 6 3M=NF NV; 4}=R 3] 6 4}=ART S/T raise 3[ 6 4}=ART S/T raise 3NT X Good 4M opening 4}=S/T; 4{=bid your M; 4M=S/T with short M 4} 7 4{=ART S/T 4{ 7 5}=ART S/T 4] 7 4[ 7 4NT X Good 5m opening 5} 5{ 5] 5[ 5NT HIGH LEVEL BIDDING RKC (1430 if 4N/3041 if not 4N) Exclusion KC (3041) 6 Ace BW if 2 suits agreed PMKC opposite preemptive openings 5N often pick a slam .