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BGonline.org Forums
32D-22 and related positions
Posted By: Nack Ballard In Response To: 32D-22 RO..10k XG 4 ply (Christian Munk-Christensen)
Date: Friday, 16 April 2010, at 8:14 p.m.
Here is data for 32D-22:
32D-22
Money
Snowie .. [N E8 @10] 31k
GnuBG .. [E=N @10] 46k 15k@, and d[N E11 M24] 5k
XG 3-ply [N E2 @12] 51k
XG 4-ply [N E8 @23] 10k (just posted by Neil)Keep in mind that the 4-ply rollout is only 10k, so far. If all three plays are extended, I believe @ will improve, and E may improve a bit.
Nactation key: N = Near (13/11(2) 6/4(2), E = Each (24/22(2) 6/4(2), @ = anchor (24/20(2)), and M = Mayfair split (24/22 13/11 6/4(2)). Error sizes are in thousandths of a point.
A "d" before the brackets stands for double match point (DMP); otherwise assume the result is for money. The "k" after the brackets denotes the number of trials (in thousands, rounded down).
For example, "[N E8 @10] 31k" means that (for money) N is best, E is -.008 and @ is -.010, after 31000+ trials. And "d[N E11 M24] 5k" means that at DMP, N is best, E is -.011 and M is -.024, after 5000+ trials.
At GS, @ is best by far.
At GG, N is best by far.
For comparison, 43D-22 is shown below, with approximate values at the four scores listed below the diagram.43D-22 at four scores (money, DMP, GS, GG):
43D-22
m[E N37 @40 H50 M70]
d[N E11 H35]
s[@ E28 H77 N102]
g[N E16 n27 M36 H43]E, N, @ and M mean the same as before. H = Hit (24/16*, n = near 13/9 6/4(2).
The other two-down positions are diagrammed below, followed by approximate values at all four scores:52D-22 [N E12], d[N E12], s[@ E19], g[N E53 n55]
52D-22
54D-22
54D-22 [E N45 H96], d[E N10 H46], s[E @10? N72 H75], g[N E7 H79]
Summary of four positions:For money, play E against 9pt builder, else N.
At DMP, play N (except 54D-22, E is a bit better).
At GS, play @ (except 54D-22, E is a bit better).
At GG, play N.Nack
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