This note is only a list of conventions for my precision system. You are recommended to print them out.
If you want to take a quick look, please go to my convention abstract

Principle: Effiecient, Natural and Easy to remember!
All bids marked * are forcing.
Opening Bids
1*------- Artificial, 16+ HCP, any distribution except for 22-23 HCP balanced hands, 4414 (singleton ) hands
1---------11-15 HCP, 3+ diamonds, no 5-card majors.
1/1-----11-15 HCP, 5+ card suit.
1NT--------13-15 HCP, no 5-card majors, maybe single.
2---------11-15 HCP, either 6+ club suit or 5 club suit plus a 4-card major suit.
2*------- 4414 shape, singleton hands
2---------6-10 HCP 6 hearts..
2---------6-10 HCP 6.
2NT--------21-23 HCP balanced hand
3/3-----8+ HCP, 7+ suit.
3NT--------Gambling, one 7+ solid minor suit.
---------------------------------------------------------------------------------
Responses to 1

(1) Negative: 1*-- 0-7 HCP or 4441 shape
      1NT-- 16-18 balanced, may have 5-card minor
              Pass------- 0-5 HCP, balanced.
              2-------- 6-7 HCP, Stayman
              2/2---- Jacoby
              2NT------- 7 HCP, inviting 3NT.
              3/3/3/3*: single suit, 7+ HCP.
      2NT-- 19-21 balanced.
              Pass-------- 0-3 HCP
              other same as 1NT considering the total points.
      3NT-- 24-26 balanced, may have 5-card minor
              Pass-------- 0-4 HCP
              4--------- Gerber. 7+ HCP and have single suit.
              4/4----- Texas transfer to 4/4.
    1/1-- 5+ card suit.
              Pass----------------0-3 HCP.
              Raise to 2/2-- 4-7 HCP, min 3-card support
              Raise to 3/3-- 6-7 HCP, 4+ card support.
              Raise to 4/4-- 8+ HCP, good hand, 4 card support.
             1---------------- 4-7 HCP, 4+-card suit, deny 3-card support.
             1NT--------------- 5-7 HCP, no 5-card suit.
             2NT--------------- 8+ HCP single for bid suit.
             jumped new suit*-- 8+ HCP single suit.
    2/2-- 5+ card suit, may have a 4-card major.
             Pass--------------- 0-3 HCP.
             jumped new suit*-- 8+ HCP single suit.
             other natural
    Jump to 2/2/3/3*-- 22+ HCP. 5+-card suit.
             Minimum NT-------- 0-4 HCP, minimum and no support.
             Minimum raise------- 0-4 HCP, minimum and 3-card support.
             Jump raise----------- 5-7 HCP 3+ card support
             New suit*------------4-7 HCP, values in the suit.
             Jump NT-------------5-7 HCP, denies 3-card support.
             4NT----------------- blackwood.

(2) Constructive: 2H:/2S:- 4-7 HCP, 6-card suit; little strength outside.
     Pass-------------- Game unlikely.
     Raise to game (including 3NT).
     New suit*--------- 5+
                 Raise---------------- 3+ support (or Qx).
                 Rebid H:/S:---------- minimum, no support.
                 Cue-bid under 3NT-- singleton or void.
     3H:/3S:----------- support in suit, forcing
                 Rebid H:/S:---- minimum
                 New suit------ singleton or void in suit bid
     2NT/3NT-------- Natural
     4NT-------------- Blackwood.
(3) Positive: 1H: /1S:/2C:/2D:*-- 8+ HCP, 5+ card suit
     New suit*--------- 5+ card suit
           New suit------------------ 4-card suit.
           Rebid original suit-------- 6+ card suit, semi-solid for minors.
           Raise-------------------- 3+ card support.
           Minimum no-trump------ 5332 distribution.
     Trump asking*--- 2H:/2S:/3C:/3D:

1NT-- 8-10 HCP, balanced, no 5-card major suit.

     2C:*-- Stayman
                 2D:/2H:/2S:/3C:*-- shows a good suit.
     2NT-- 11-13 HCP, balanced
           3C:-- Stayman
                 3D:/3H:/3S:/4C:*-- shows a good suit.
After interventions
Double--
     Pass-- 0-4 HCP
     other remain the same


At 1 level--
     Pass------------ 0-4 HCP
     Suit------------ 5-10 HCP, 5+ card suit
     Jump in a suit--- 8-10 HCP, 6+-card suit
     1NT------------ 8-10 HCP, with a stopper
     2NT------------11-13 HCP, with one or two stoppers
     Double--------- 5-8 HCP, no 5-card suit, negative
     Cuebid*-------- 9+ HCP, game-forcing
1NT--
     Pass------------ 0-4 HCP
     Suit------------- 5-8 HCP, 5+ card suit
     Double--------- 5+ HCP
At 2 level--
     Pass------------ 0-4 HCP
     Suit------------- 5-8 HCP, 5+ card suit
     Double--------- 5-8 HCP no 5+ card suit, negative double.
     cue bid--------- 9+ HCP
At 3 level--
     Double--------- 5+ HCP, takeout
At 4 level –
     pass------------ weak hand
     double*-------- takeout
After intervention to asking bids (P0D1):
     Pass----------- 1 steps
     Double-------- 2 step

Control asking bids

After trump-asking bids, any new suit bid by opener is asking for holding in that suit.
     1 step--- no control
     2 steps-- Singleton or Kx (2nd round control)
     3 steps-- void or Ace (1st round control)
     4 steps-- AK or AQ (Two top controls)

Responses to 1D:

Open 1D: with 11-15 HCP, garantee 3+ card D:.
Pass--------- 0-7 HCP.
1H:/1S:*----- 8+ HCP, 4+ card suit, forcing one round. 1S: denies 4-card H:suit.
     1S: over 1H:---- 4-card S:suit, denies 4-card H:suit.
               1NT----------- sign-off
               2C:*----------- fourth-suit forcing, “do something clever!”.
     1NT------------ Balanced, denies 4-card support.
               2C:*----------- new-minor forcing, “do something clever!”.
     2D:      ----------- 6+ card or good 5-card D:suit, no 4-card major.
     2C:      ----------- unbalanced, 5-4 in minors, no 4-card major.
     raise -------------- 4-card support. 11-13 HCP
     double raise---- 4-card support. 14+ HCP
     3D:      ----------- 6+ card D:suit, no 4-card major. 14+HCP
     3C:      ----------- unbalanced, at least 5-5 in minors, no 4-card major. 14+HCP
2C:/2D:*----- Inverted minors, 11-15 HCP, 4+ card suit, forcing, responder denies a 4-card major. Opener rebids:
     2H:      ----------- stopper in H:, no stopper in S:.
     2S:      ----------- stopper in S:, no stopper in H:.
     2NT ------------- stopper in both majors.
     2D:/3D: ---------- no stopper in majors
     3H:      ----------- stopper in H:, no stopper in S:.
     3S:      ----------- stopper in S:, no stopper in H:.
     3NT--------------- stopper in both majors.
     3C:      ----------- no stopper in majors
2H:/2S:------ weak jump shifts. 5+ suit, non-forcing
2NT --------- 11-12 HCP, no 4-card major
     3C:      ----------- both minors, asking the responder to decide 3C:/3D:/3NT.
     3D:      ----------- longer diamonds, asking the responder to decide 3D:/3NT.
3D: ----------- up to 10 HCP, preemptive; 5+-card support for diamonds
3NT --------- 14-15 HCP, balanced.

After intervention
Double
     Pass------------ 0-4 HCP, show later
     New suit------ 5-8 HCP
     1NT ----------- 6-8 HCP, balanced.
     2-3D: ---------- less than 8 HCP, preempt, 4+-card support
     Redouble----- 9+ HCP
Suite call up to 2S: level:
     Double ------- 8-10 HCP, other 4-card major, negative
     Suite call----- 5-card suit for major
     2D:/3D: ------ 6-11 HCP, support in D:
     NT ------------ balanced, stopper in opponent's suit

Responses to 1H:/1S:

Open 1H:/1S: with 11-15 HCP, 5+ card suit. Open 1H: denies 5 card S:-suit.
Pass     ------------ 0-7 HCP, poor support.
2H:/2S: ------------ constructive, 7-10 HCP, 3+card support.
3H:/3S:------------ 11+ HCP, 4+-card support.
4H:/4S: ------------ 6-10 HCP, 5+card support.
1S:* (over 1H:)- 8-15 HCP, 4+ card suit
     1NT           ----------- 11-13 HCP, minimum
     2H:           ------------- 11-13 HCP, 6-card suit, non-forcing
     2C:/2D:      ------------ 11-15 HCP, non-forcing, 4+ suit.
     2S:           ------------- 11-13 HCP, 4-card support
     2NT           ----------- 14-15 HCP, balanced, stoppers in remaining two suits
     New suit at 3 level- 14-15 HCP, semi-forcing
     3H:           ------------ good 6-card suit, at least AQJxxx
2C:/2D:/2H:*----- 11+ HCP, maybe 4 card minor suit while 2H: is a 5+ card suit
     Rebid 2H:/2S: ------ not necessarily a 6-card suit
     Reverse in 2S: ------ 14-15 HCP, forcing
     New suit: 4+suit--- 11-13 HCP
     2NT      --------------- 11-13 HCP, stoppers in remaining two suits
     3C:/3D:/3H: --------- 11-13 HCP, good support, non-forcing
     Jump a new suit---- 14-15 HCP, good support, control in suit
     Jump original suit--- 14-15 HCP, very good 6 card suit
     3NT           ----------- 15 HCP, stoppers in remaining suits
1NT --------------- 8-10 HCP, balanced hand without support for opener's suit
      pass:           ----------- 11-13 HCP, no game.
     2C:/2D:/2H: ----------- lower ranking 5-card suit, 11-13 HCP
     Rebids 2H:/2S: ------- 6 card suit, sign off
     Jump-rebids 3H:/3S:-- 6 card solid suit (at least AKQxxx) 14-15 HCP
     Jumps in second 5 card suit-- 14--15HCP
     2NT           ----------- 5-3-3-2 distribution. 14--15 HCP, invite to game.
2NT* ----------- Jacoby 2NT, game-forcing 13+ HCP
            New suit ------ singleton or void
            Original suit--- minimum, no singleton/void
Double Jump Shift*-- Splinter, game forcing, singleton or void in suit to be bid, 4+ card support for opener, slam invitation.
4H:/4S: ------ to play
     New Suit ------ Cue-bid Ace, slam try.
3NT ----------- 14-15 HCP, to play
After intervention
Double (Meka) –
     Pass ----------- 0-4 HCP or 9-10 HCP, show it later
     Raise ---------- less than 8 HCP, preemptive, 3+-card support.
     New suit------ 5-8 HCP 5+-card suit
     1NT ----------- 6-8 HCP balanced
     2NT ----------- Jacoby 2NT
     Redouble*-- 12+ HCP, support in opener’s suit
Suit Overcall--
     Pass ----------- 0-7 HCP
     Raise ---------- 6-10, 3+ support. law of total
     jump raise*-- 11+, 3+ support.
     Double ------- 8-12 HCP, negative double
     NT ------------ 8-12 HCP, stopper in opponent’s overcall suit
     Cue-bid ------ 13+ HCP, singleton or void in opponent’s suit, forcing.

Responses to 1NT Opening

Open 1NT with 13-15 HCP, balanced hands. Only clubs can be 5 cards long.
2C: ------ 10+ HCP, Stayman.
2D: ------ Jacoby transfer to hearts
2H:------- Jacoby transfer to spades
2S: ------ Minor suit Stayman
            New suit after transfer*-- game forcing
            2NT/Raise      --------------- invitational
3C:/3D:/3H:/3S:*-- game forcing with good suits
4C:------- Gerber. “Aces?”
4D:/H:--- Texas transfer to 4H:/S:.
4NT----- 17-18 HCP, balanced, quantitative.
6NT----- 19-21 HCP, balanced.
5NT----- 22+ HCP, balanced, Grand Slam Force.
After intervention
Double
     Pass ----------- weak, nowhere to escape
     Redouble---- 12+ HCP
     3C:3D:/3H:/3S:- 6+-card suit, invitational
     other natural
Suit overcall
     Double ------ Penalty
     cue-bid:------12+ HCP
     other natural

Responses to 2C:

2C:opener holds 11-15 HCPs and either 5+ clubs with a 4-card major or 6+ clubs.
2D:* ------ 11+ HCP, conventional and forcing . Opener rebids:
     2H: -----------11-13 HCP, 4-card H: suit
     2S: -----------11-13 HCP, 4-card S: suit
     2NT ----------11-13 HCP, 6322 balanced hand, 6-card C: suit, stoppers in two other suits.
           3D:* ----------- to request opener to clarify stoppers. Opener's rebids show:
                 3H:* -----------H: and D: suit
                 3S:* -----------S: and D: suit
                 3NT* ----------H: and S: suit
     3C: ----------- 11-13 HCP, 6-card C:-suit, one other suit stopped.
           3D:* ----------- to request opener to clarify stoppers. Opener's rebids show:
                 3H:* -----------H: suit
                 3S:* -----------S: suit
                 3NT* ----------D: suit
     3NT --------- 14-15 HCP, 6322 balanced hand, 6-card good C: suit.
     3H: -----------14-15 HCP, 4-card H: suit
     3S: -----------14-15 HCP, 4-card S: suit
3H:/3S:----- Jump shift, 6+-card suit. sign off
3D:/2H:/2S:* natural, 4+, 8+ HCP
After intervention
     Negative doubles through 3S:
     Redouble -------10+ HCP
     Cuebid ---------12+ HCP

Open 2D: 11+ HCP, 4414(single D:)

Responses are:
          2H:/2S:/3C:---------- 4+ 0-8 HCP 
          2NT----------------- balanced 9-13HCP
          3H:/3S:/4C:---------- 4+ 9+ HCP 
 

Responses to 2H:/2S: Opening 6--10 HCP

(1)   Responses to 2H::
      2S:/3C:/3D:* ------ 5+ card suit, force 14+ HCP
      2NT*------------- asking for other suit, force 14+ HCP
      Raises in hearts----- preemptive
(2)   Responses to 2S::
     2NT--------------- strong relay, asking for other suits 14+ HCP
     3C:/3D:/3H: ------- 5+ card suit, force 14+ HCP
     Raises in spades--- preemptiv

2NT : 21--23 HCP: balanced

     stayman, Jacoby,Texas
     3NT-- sign off

Gambling 3NT

Opener begins with 3NT with a solid 8+ card minor suit. Opener promises one outside stopper. No void.
     4C:-- Modified Stayman

Preemptive Opening Bids

3C:/3D:/3H:/3S:-- 6-10 HCP, 7 card semi-solid suit.
     New Suit ----------- forcing 1 round, 13+ HCP
     NT------------------14+ invitenal or sign off
     Raises--------------- Pre-emptive

Competitive Bidding

Overcall
1 over 1-- 8+ HCP; 2 over 1-- 10+ HCP-- 5+ card suit.
     Raise------------- 7-10 HCP, preemptive
     Double Raise*----10+ 4+ support
     cue-bid* --------- 9+ HCP
Jump in a suit-- weak, 6+ card suit
     same as weak open bid
Michael's Cue-bids
     14+ HCP, at least 5-5 in two unbid suits
Unusual 2NT
     11+ HCP, with at least 5-5 in 2 lowest unbid suits.
Competive and Double 1NT as natural NT
defend weak bid
Double ------13+ HCP, shortness in opener's suit except for 4C:/4D:/...
new suit------13+ HCP, 5+ card suit
NT---------- stop at open bid. 16+
4C:/4D:
     Double---16+ HCP, for penalty with quick tricks
4H:--
     Double---16+ HCP, Penalty and 4+ S:

Doubles

Takeout------------- over minor the takeout double usually promises 4 card suit in both majors, over opponent’s major opening promises 4+ card in the other major.
Negative------------- through 3S:
Lightner-------------- Requests an unusual opening lead against opponent’s slam contract.
Takeout or Penalty?-- Double is for penalty if at least one partner has defined his shape.

published by xiaowei xu at 01/01/2003