*** OKbridge Convention Card Format 2 *** General Approach:Natural, Very-Light-Openings, Very-Light-Overcalls Very-Light-Preempts Notrump 3C:54 in minors, 2NT:Minors weak, 1NT:14-16 1st/2nd 3D:55 minors strong, 1NT-Alt:15-17 3th/4th, 3H:6+Hearts strong Often-5CM, 3S:6+Spades strong, Stayman, 2D-Xfer-To-H, Texas 3NT:18-22 long mino, Smolen, 2H-Xfer-To-S, Lebensohl 2S:Trf to Clubs, 1NT-2NT:Trf to Diamond Majors Seldom-4-Cards-1&2, Seldom-4-Cards-3&4, Double-Raise-Limit JR-In-Comp-Limit, 2NT-Conv-Raise, Splinters Other:2C=3+lim or 11-13 bal or Nat , 1NT-Semi-Forcing 2NT-Forcing, 2NT-Desc:4+trump + 15+HCP 3NT-Desc:13-15 HCP and any 4333, Note:Weak Jumps at 2level. Minors 1C-Shows-3+, 1D-Shows-3+, JR-In-Comp-Weak, May-Bypass-1D 1NT/1C:8-11, 2NT-Forcing, 2NT-Desc:13-15 or 18-19HCP 3NT-Desc:16-17 HCP, Note:Weak jump at 2 level 2C Desc:Weak H/S or strong NT or strong 1-suiter, Other Resp:2H/2S preference 2N=Strong 2D Desc:Weak-2 H or strong NT or Strong 2-suiter, Artificial Resp:xH is to play., 2NT-Forcing, New-Suit-NF 2H Desc:Weak-2 S or strong NT or strong 3-suiter, Artificial Resp:xS is to play, 2NT-Forcing, New-Suit-NF 2S Desc:3-9 HCP 5Spades + 4+Minor, Artificial Resp:xS is to playt, 2NT-Forcing, New-Suit-NF OtherConv WJS, 4SF-To-Game Doubles Neg-At-High-Levels, Responsive-Thru:3S, Maximal, Card-Showing Note:All doubles on fits are comp. Overcalls Range:5+HCP, Often-4-Cards, Very-Light-Style New-Suit-Nonforcing, JR-Weak Jmp-Over Intermediate, Weak, Note:Weak at 3 lev Intermediate at 2 lev Preempts Light, Very-Light Cuebids Note:Cue=highest and 2N=lowest. NT-Over Conventional, Note1:14-17 HCP or any Weak-2 Balancing-Range:9-13 HCP, Unusual-For-2-Lower Vs.NT 2C-Case1:Transfer, 2D-Case1:Transfer, 2H-Case1:Transfer 2S-Case1:5+S and 5+m, Dbl-Case1:Clubs Other:Double is penalty over weak-NT Vs.Doubles NSF-1-Level, NSF-2-Level, JS-Invites, JS-Weak Rdbl-Implies-No-Fit, 2NT/Majors-Limit+, 2NT/Minors-Limit+ Vs.Preempts Takeout-Doubles, Takeout-Dbl-Thru:4H, Lebensohl Slam-Bids 1430, DOPI, ROPI Carding Count-Is-Primary Suit-Leads Xx, XXxx, XXX, XXxxx, Akx, Kqx, KjTx, Qjx, ktNx, Jtn, qtNx Kqtn, 3rd&5th, Std-Carding NT-Leads Xx, XXxx, XXX, XXxxX, Akjx, aQjx, ajTn, atNx, kqJx, kQtn, kjTn ktNx, Qjtx, qtNx, Jtnx, tnXX, 3rd&5th, Std-Carding Notes Defence against 2C opener: Alternative 1: 2Major overcall: Natural, good hand. 2N by partner is forcing. 2N : 15-18 balanced, stoppers in both majors. Proceed as if 2N was openened 3minor overcall: Natural, good hand. Bid stoppers. 3Major : Short, both minors. Double : Good hand. Double by partner is takeout/cards Alternative 2: 2Major overcall: Short in the suit bid. 2N by partner is forcing. 2N : 15-18 balanced, stoppers in both majors. Proceed as if 2N was openened 3minor overcall: Natural, good hand. Bid stoppers. 3Major : Natural. Double : Good hand. Double by partner is takeout/cards. 2Major is stopper, 3Major(jump) is natural. 3M : Short, both minors. After 2C pass 2D double is a good hand. 2Major is natural, 3Major is stopper. Defence against 2D opener: 2hearts overcall: Takeout double of 2H. Lebensohl follow up. 2N : 15-18 balanced, stoppers in hearts. Proceed as if 2N was openened 3Hearts : Asks stopper. 3Spades : Excellent playing hand. About 8 1/2 tricks. Double : Good hand. Double by partner is takeout/cards Defence against 2H opener: 2Spades overcall: Takeout double of 2S. Lebensohl follow up. 2N : 15-18 balanced, stoppers in spades. Proceed as if 2N was openened 3spades : Asks stopper. Double : Good hand. Double by partner is takeout/cards ------------------------------------------------------------ 2D development: -------------- 2D 2H 3C is nog gewoon Klaveren met Ruiten of Klaveren met Harten ! 2D 2H 3C 3D 3H met Harten 5+/5 3S met Schoppen 6/4 (5/5 was al ontkend) 3N met Ruiten 5+/5 4C met Harten ???? 4D met Ruiten 6/4 (5/5 is al ontkend) 4H met Harten 6/4 (5/5 is al ontkend)