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52S-21 for Money

Posted By: Nack Ballard
Date: Monday, 24 May 2010, at 2:27 a.m.

In Response To: GNU RO (David Rockwell)


2O ' ' ' '5X '4X ' ' '5O

1X '1X ' '5O '3O ' ' '4X

52S-21


Thanks, Stick and David. Prior to seeing your ROs, I had only Snowie d[S H10 $13 U13] as a weak indicator (doesn't play checkers AtS) and so played S even at DMP. Now, I'll switch to the near-dead-heat $ against most players -- until other ROs swing me back the other way :)

For those interested, here are money results for 52S-21:

Snowie .. [S U25 H27 D45 $47 V59] 31k 5k$DV
GnuBG .. [S H9 U29] 46k 5kU
XG 3-ply [S H18 U24] 46k 15kU

Legend: S = Split (24/23 13/11), U = Up (24/21), H = Hit (6/3*), D = Down (13/10), $ = Slot (13/11 6/5), V = Variant-Up (24/23 24/22).

Error sizes are in thousandths. After the brackets is the number of trials (in thousands, rounded down). For example, "[S H18 U24] 46k 15kU" means that S is best, H is -.018, and U is -.024, after 46000+ trials (but only 15000+ for the U play).

While $ is a fine play at DMP, it is quite a bad play (fifth and -.047) for money.

It is interesting that Snowie and Gnu disagree on H's error size (.027 versus .009), with XG right in the middle in this case.

Nack

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