Saturday, January 28, 2012

Natural Limited 2C Opening with and without interference


1. Open 2C, 6+ Clubs


2♣: (10)11-15 HCP six-carder ♣ suit or better, with a good suit, may have another 4 or 5-card side suit including a major. Of course, you could open with less than this with a good 7 card suit. Could be opened light in 3rd seat 10-16 HCP. In 4th seat range us 12-16 HCP. In 3rd and 4th seat hands with 10-12 HCP and balanced ( (233)6 defined as balanced for this purpose) are passed. Responses are given for 1st or 2nd seat openings, in 3rd and 4th seat maximum is 15-16 HCP and minimum is (10)12-14 HCP. Responses require 2 points less after a 3rd or 4th seat opening. The listing of 1 or 2 stoppers is more of a minimum, if asked for further description opener responds with suits best stopped.

1.1.       Responses to 2C without interference


(a) Pass: 0-8, no big fit
(b) 2: Relay 9+, F1, game possible. See below for continuations.
(c) 2/2♠:  8-10 5-carder mild invitation.
               Pass:  playable contract
               2♠(over 2): 4 Spades, no Heart fit
               2NT: Maximum 14-15, no fit
               3♣: Minimum 10-13, no fit
               3: Maximum and a fit
               3/3♠: Minimum and fit            
(d) 2NT:  Balanced hand inviting game in no trump. 10-12 with no interest in the majors 

               Pass: to play with a minimum 10-13

                               3: Minimum 10-13, signoff

               3/3/3♠: Maximum 14-15 forcing with a five card suit

              3NT: Maximum 14-15 or solid suit to play

 (e) 3♣:  Pre-emptive               
 (f) 3/3/3♠: 12+, Very Good 6-carder, GF

               Raise: with 2 card support, Hx or xxx

               3NT: scattered strength in unbid suits and no fit

              Rebid clubs: Strength concentrated in Clubs and another suit

  (g) 3NT: 13-16, to play, maybe less with ♣ support with stoppers in the unbid suits  
  (h) 4♣/5♣: Pre-emptive
   (i) 4: 30/14 for ♣
   (j) 4/4♠: to play
2: Relay
               2: 4 card major, any strength
                               2♠:  ask
                                              2NT: 4’s, minimum
                                                             3♣: non-forcing
                                                             3: four card trump  asking bid
                                                             3: non-forcing
                                                             3♠: non-forcing
                                              3♣: 4♠’s, minimum
                                                             pass: to play
                                                             3: four card trump ♠ asking bid
                                                             3/3♠: non-forcing
                                              3: 4’s, maximum
                                                             3: four card trump asking bid
                                              3: 4♠’s, maximum
                                                             3♠: four card trump asking bid
               2♠: maximum, no major, a singleton or void
                               2NT: asks for shortness (SORR exception)
                                              3♣: any void
                                                             3:  asks (SORR exception)
                                                                            3: Hearts void
                                                                            3♠: Spade void
                                                                            3NT: Diamond void
                                              3: singleton 
                                              3: singleton 
                                              3♠: singleton ♠
               2NT: maximum, balanced, at least 2 stoppers
                               3♣: non-forcing
                               3: stopper ask (shows suits best stopped with all suits partially stopped)
                                              3:  &  stopper
                                              3♠:  & ♠ stopper
                                              3NT:  & ♠ stopper  
               3♣: minimum. no major may have a singleton or void
                               3: stopper ask
                                              up the line, 3NT =  stopper
               3: natural, 5+ Diamonds, 6+ Clubs
                               4♣: sign-off in Clubs
                               4: 30/14 in Clubs
                               4: 30/14 in Diamonds
               3: natural, 5+ Hearts, 6+ Clubs
                               4:  30/14 in Clubs
                               4♠: 30/14 in Hearts 
               3♠: Solid  Club suit , hoping partner can bid 3NT (Don’t forget this one) With bal. max bid 2NT.
                               4: 30/14 in Clubs
               3NT: 6+ Clubs and 5 Spades
                               4: 30/14 in Clubs

1.2.       Responses to 2C with interference


Double

                        Redouble: Penalty oriented 10+

                        Balance of responses stay the same

            2 of suit:

            Pass: Weak or Trap (10+)

            Double: over 2 overcall double is the 2 relay. Otherwise Negative or 1 suited force

            2 of suit: 7-10 non-forcing

            2NT: 10-11 with a stopper

            3 of suit (jump): forcing

            3 of suit (non-jump): non-forcing

            Cue-bid: 12+ with full or partial stopper, asking opener to bid 3NT with partial stopper

            Raises: Pre-emptive or competitive

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