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Suit: Chapter 2 Suit Count Shorts Known

Suit Criteria: All eight-plus fits.

4321 count. Trumps = Length - 4. First partner to show five trumps adds 1 point.
Short Side Honors
  • Singletons: Ace = 3, King = 1, Queen = Jack = 0
  • Doubletons: KQ = 4, KJ = 3, QJ = 2, Qx = 1, Jx = 0
Short Suits: Void = 4, Singleton = 2, Doubleton = 0
Number of Short Suits. None = -1, Two = +1, Three = +2
In partner's short suit:
  • Ace = 3, King = 1, Queen = Jack = 0.
  • 2 point bonus with 3 or more.
  • Reduce (short suit count) by 1 with void or singleton.

50-50 Play Points. Points for Game and Slam at IMPs
Contract50-50 PlayIMPs NVIMPs VulAlt. Bid
1, 117.14
2, 219.76
3, 322.43

4, 425.0924.81
24.55
24.43
24.13
2, 2
3, 3

5, 527.9027.64
27.40
27.23
26.92
3, 3
4, 4

6, 630.9730.9630.96 4, 4

7, 734.9735.72
35.31
35.68
35.37
4, 4
6, 6

Batting Average for Game
Points 23 24 25 26 27 28
Percent 79.58 84.75 87.64 87.83 85.80 82.42
Gain or Loss from bidding game with exactly N points
PointsLow 23 24 25 26 27 28HighAlt. Bid
4,4 % 16.83 31.04 48.63 65.66 80.02 89.44
Imps Vul-6 -2.11 -.30 2.18 4.70 6.89 8.35 10 3, 3
Imps Vul-7 -3.53 -1.19 1.68 4.45 6.78 8.30 10 2, 2
Imps NV-5 -1.95 -.85 .75 2.42 3.89 4.88 6 3, 3
Imps NV-5 -2.97 -1.50 .39 2.24 3.81 4.84 6 2, 2

Points versus Tricks   Compare with Normal Curve   Chapter 2   Appendix 1    BACK