Dipbridge on Bridge Systems

October 28, 2008

DIP: 0.2.2

Filed under: Bridge, DIP, Opening Bids — dipbridge @ 12:39 pm

Cogitare, Constituere, Conficere!

Below is the new front page for DIP.  It will contain the system and ideas contained that have been discussed in the blog.  The other posts in the blog will be in reverse chronological order, so the most recent post is the next one down.

Openings Bids (1st/2nd Seat)

  • 1::  ART, STR, 15.0+ fpc
  • 1::  4+, 10.0 to 14.8 fpc:  inc 45m but not 46+m, inc 44, not < unless 454m, not 3433
  • 1::  4+, 10.0 to 14.8 fpc:  inc 45m but not 46+m, inc 5+5+, >=, not 4333
  • 1::  5+, 10.0 to 14.8 fpc:  usually 6+ (unless 5+4+), inc 6+4M, not 2254
  • 1NT::  BAL, 12.0 to 14.8 fpc:  inc 5m4m22, no M unless 4M333
  • 2::  5+, 10.0 to 14.8 fpc:  usually 6+ (unless 5+4), inc 6+4M, not 2245
  • 2::  4+, 6.0 to 9.8 fpc:  long pointed, short round, “Jammer”:  4-5, 3-5, 3-5 RND, 0-2 O-RND
  • 2::  4+, 6.0 to 9.8 fpc:  long round, short pointed, “Jammer”, 4-5, 3-5, 3-5 PTD, 0-2 O-PTD
  • 2::  5, 6.0 to 9.8 fpc:  5332 or 54m22

Openings Bids (3rd Seat)

  • 1::  ART, STR, 17.0+ fpc
  • 1::  0+, 11.0 to 16.8 fpc:  inc 45, if BAL then 11.0 to 13.8 fpc
  • 1::  5+, 11.0 to 16.8 fpc: 
  • 1::  5+, 11.0 to 16.8 fpc: 
  • 1NT::  BAL, 14.0 to 16.8 fpc:  not 5M332, inc 5m422
  • 2::  6+, 11.0 to 16.8 fpc:  inc 6+4M
  • 2::  4+, 0.0 to 10.8 fpc:  long diamond “Jammer”, 4-5, 3-5X, 3-5Y, 0-2Z
  • 2::  5-6, 0.0 to 10.8 fpc:  6322, 5332 or 5422
  • 2::  5-6, 0.0 to 10.8 fpc:  6322, 5332 or 5422

Openings Bids (4th Seat)

  • 1::  ART, STR, 17.0+ fpc
  • 1::  0+, 11.0 to 16.8 fpc:  inc 45, if BAL then 14.0 to 16.8 fpc
  • 1::  5+, 11.0 to 16.8 fpc: 
  • 1::  5+, 11.0 to 16.8 fpc: 
  • 1NT::  BAL, 11.0 to 13.8 fpc:  not 5M332, inc 5m422
  • 2::  6+, 11.0 to 16.8 fpc:  inc 6+4X
  • 2::  6+, 14.0 to 16.8 fpc:  good suit, usually KQxxxx or better
  • 2::  6+, 14.0 to 16.8 fpc:  good suit, usually KQxxxx or better
  • 2::  6+, 14.0 to 16.8 fpc:  good suit, usually KQxxxx or better

Definitions & Abbreviations

Where possible, definitions will conform to WBF Abbreviations, a copy of which can be found here

http://www16.plala.or.jp/KOKO33/system/abbrevi.html

In addition, there are the following

  • fpc:  “Fifths Point Count”:  (A=4.0, K=2.8, Q=1.8, J=1, T=0.4), Note that fcp ≈ hcp = both 40 point decks
  • inc:  “Includes”:  normally meaning it includes the subsequent hand shape

Version Control Log

  • 0.2.2::  Added in the motto “cogitare, constituere, conficere”
  • 0.2.1:: Changed the 2 Jammer opening in 3rd seat to guarantee 4-5 (rather than 3-5)
  • 0.2.0::  Added in weak range openings up to 2
  • 0.1.0::  Added in 3rd and 4th seat strong and intermediate range openings as described in 30/10/2008 blog.
  • 0.0.0::  First version of system using “fpc”:  Earlier information from the blog also included.

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