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Important match scores

Posted By: Philippe Michel
Date: Saturday, 26 February 2011, at 11:02 p.m.

In Response To: OLM Sa 02/26/11 (Stick)

I have all the opening moves rolled out at -4 -2 and of course at pure gammon go. I don't have many (if any) at lopsided scores that aren't likely to repeat with any sort of frequency.

-4:-2 and GG are not that frequent either. -4:-2 should happen in maybe 10% of matches (10% in aggregate, 5% from each side).

Important match scores (importance defined as frequency weighted by match equity exchanged from there) are :

  1. Equal score (by far, with an important contribution of 0-0)
  2. Two-apart
  3. DMP (not that frequent but a lot of equity involved)
with four-apart overriding DMP in longer matches (11+ points).

GG, GS and any specific score but DMP are probably not too important (in opening checker play, it's different for early blitz cube action obviously).

In the early play rollouts, it would probably be more useful to have, beside money and DMP and instead of GG and GS (or in addition to them) something like -11:-7 and -7:-11. The latter being less important by themselves than similar 2-apart scores, but I would be more comfortable interpolating from them than extrapolating from a closer score.

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