*** OKbridge Convention Card Format 1 *** General Names:James & Karel Approach:2/1 (see 2openers) - We can psych but very rarely 2/1-Game-Force, Very-Light-Openings Strong Other:see notes !! Notrump 1NT:15-17, 2NT:21/22 Bal, NF-Stayman, 3NT:gambling 4-Suit-Transfers, 3m-Invites 3-Major:Forcing 3 in other major 4+/5+ in minors, Neg-Doubles Note1:3m = top 2/3 top hons in minor not Note2:Rubenshol see notes Majors Seldom-4-Cards-1&2, Seldom-4-Cards-3&4, Double-Raise-Weak Double-Raise-In-Comp:preempt, 2NT-Conv-Raise, Splinters 1NT-Semi-Forcing, Note1:Rev Bergen 3D=6-9pts Note2:3C = 10-12 pts 4CM support Minors 1C-Shows-3+, 1D-Shows-3+, Double-Raise-Weak Double-Raise-In-Comp:preempt, Single-Raise-Forcing 1NT/1C:6-10, Up-The-Line, 2NT:0-5 raise, 3NT:13-15 2C Desc:4+/4+ Majors 5 - 10 or ANY 23+GF Resp:2D waiting see notes 2D Desc:weak hearts or any 20+ or 8+ playing, Natural Resp:trick hand 2H Desc:weak spades or any 20+M/m 2 suiter, Natural 2S Desc:4+/5+ minors 5-10 or 20+, Natural OtherConv WJS-Always, 4SF-To-Game, Note3:at 2 or 3 level 1c 1d 1h 1s GF Note4:CBS !!!, Note6:Suggested def to above 2's see notes !! Doubles Negative:thru 4D, Responsive:thru 4D, Support Overcalls Range:8-16, Cuebid:1 rd. force, Jump-Raise:weak Jmp-Over Weak Preempts Sound, Light, Other:depending on vul Cuebids Artificial-Natural, Two-Suits:Michaels NT-Over Range:15-18, Systems-On, Jump-To-2NT-Range:unusal Unusual-For-2-Lower Vs.NT Weak, Strong, Direct, Balance, 2C:Don't vs strong 2D:Anti vs weak Vs.Doubles NSF-1-Level, JS-Weak, 2NT:good raise in openers suit Vs.Preempts Takeout-Dbl-2-Level, Takeout-Dbl-3-Level Slam-Bids Gerber, Gerber-Note:over 1NT and 2NT only, Roman-Keycard Other:4130, Note2: DOPI Suit-Leads Xx, xxXx, XxX, xxXxX, Akx, Tnx, Kqx, kJtx, Qjx, kTnx, Jtn qTnx, Kqtn, Std-Count, Std-Attitude, Std-Suit-Pref, 3rd&5th Discards:roman lavinathal - count - lavinthal NT-Leads Xx, xxXx, XxX, xxXxX, Akjx, aQjx, aJtn, aTnx, Kqjx, kQtn, kJtn kTnx, Qjtx, qTnx, Jtnx, Tnxx, Std-Count, Std-Attitude Std-Suit-Pref, 3rd&5th Discards:roman lavinthal - count - lavinathal Notes Suggested defence to 2 openers -------------------------------- 2C opening - 4+/4+ Majors 0-11 pts - Suggest ignoring 2C bid (including overcalling 4 card major natural !!) - Lebenshol - Normal methods versus weak 2's 2D opening - 1) weak hearts 2) GF hearts 3) 23/24 or 25/26 with hearts - Usual defence versus multi 2 - Treat as weak 2 (80% of time it is) - With 5+ suit 13+ bid NAT with stronger hand pass (you always get another bid cos of 2H relay) - With intermediate balanced pass - see what happens (reopen with double if weak) - If you feel lucky NV vs V try double with a flat 13 count - 2NT 15 - 17 balanced - Lebenshol 2H opening - 1) weak spades 5-10 pts 5/6 suit 2) GF with spades 3) Balanced 23/24 with spades - Treat as weak 2 (80% of time it is) - With 5+ suit 13+ bid NAT with stronger hand pass (you always get another bid cos of 2S relay) - With intermediate balanced pass - see what happens (reopen with double if weak) - If you feel lucky NV vs V try double with a flat 13 count - 2NT 15 - 17 balanced - lebenshol 2S opening - 1) 4+/5+ minors 5 - 10 pts 2) 5+/5+ minors GF 3) Single minor suiter GF - Double penalise one suit/takeout decide - 3 major 13 - 17 5+ suit nat - unusual vs unusal - 2NT 15 - 17 balanced good stops - Lebenshol Signals -------- 1) odd/even - on a suit opened by pd odd is encouraging even discouraging with a hint of suit preference 2) trumps - high low = 1 even 3 odd suits low high = 1 odd 3 even suits 3) count/lavinthal Rubenshol --------- 1) Over 1NT (2x) - x = penalise suit or one of suits 3y = tx to 5+ suit 2y = NAT 2NT = tx to 3 clubs 3x-1 = stop ask complete tx NO STOP break tx HAVE stop 2) Over (2x) double (pass) 2NT is TX to clubs 3y is tx to next suit 3x-1 = stop ask complete tx NO STOP break tx HAVE stop 3) Over (2x) 2NT is NAT stayman + tx's 3y is NAT double Take out System over 1NT Opener by opps ------------------------------- ANTI over 12 - 14 NT x = penalties 2C = diamonds 5+ or 4+/4+ in majors 2D = hearts 5+ or 4+/4+ spades and minor 2H = 4+/4+ hearts and minor 2S = Spades DONT over 15-17 NT x = single suiter 2x = that suit plus a higher one CAPP x = penalties 2c = Single suiter 2d = majors 2h = hearts + minor 2s = spades + minor 2NT = 5/5 minor unusual vs unusal ------------------ Against a 2 suiter overcall (eg) Ghestem , Michaels, etc Dbl = can penalise one suit 2NT = Nat 10-11 both suits stopped Lower cue = limit or better in pd's suit higher cue = GF 4th suit Norwegian 2C opener -------------------- 2C shows 4+/4+ in Majors 5-10 hcp's or GF with both majors 2C - Pass weak 6 card club suit 0-11 2D Waiting 2H/2S = NAT 2NT = 15-17 Bal, No Fit 3m = Nat mild invit 13 - 16 3M = 11-14 mild invit 3m = 3 card+m GF so 5431 or 5530 etc 2H/2S to play 3+ fit 2NT tx to 3C if opener weak Pass = to play 3D = 15-17 3/3 majors 3H/3S = 15-17 4 card suit 3NT = to play but convertible 4C/4D = slam try in hearts / spades 3C GF relay usually 19+ 3D = 4/4 3H/3S = Longer major 3NT = 5/5 4m = NAT STR 4H/4S = 6/4 H/S or 4/6 H/S 3D Nat 6+ suit pre-emptive 3/4 Major Pre-emptive law raise 3NT to play NOT convertible IF Opponent doubles 2C ------------------------ after 2C-X: pass=suggest to play 2C XX means pd must bid 2D with the weak variation. reponder can pass with Ds, or bid 2H or 2S to show a mild invitational for game. 2D=asking pd to bid his best major Major at any level is preference. 2NT remains the same as above Good Bad 2NT ------------- 2S opener --------- 1) 5+/4+ minors 5-10 pts 2) 5+/4+ minors GF 3) Single suiter minor GF 2S 2NT is an asking bid which is happy to play in a minor at the 4 level 3C weak 3D longer diamonds weakish 3H singleton/void heart 9/10 count 3S singleton/void spade 9/10 count pass = spades weak 3C = pref 3D = pref 3H = Forcing 3S = forcing 3NT = NAT not convertible