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Rollout: Making the best of a bad roll

Posted By: Timothy Chow
Date: Sunday, 23 August 2009, at 11:32 p.m.

In Response To: Making the best of a bad roll (Timothy Chow)

Chuck Bower and neilkaz have correctly analyzed this position, which is not all that hard once you realize how disastrous it is to get another checker sent behind the opponent's prime. During the game I played the worst of the plausible plays, 8/2 6/2, thinking that since I had to leave a direct shot I should try to equalize boards. Wrong thinking, of course. Minimizing shots is very important here, and the 9-point is much more valuable than the 2-point in this position.

I'm still learning my way around gnubg and I don't know how to post the rollout results prettily. I did 1296 games at 2-ply checker/cube for each of the four plausible plays.

13/9 8/2	-0.883
13/9 13/7	-0.937
13/3*	-0.943
8/2 6/2	-1.000

Messages In This Thread

• Making the best of a bad roll
  Timothy Chow -- Friday, 21 August 2009, at 10:48 p.m.
  • Making the best of a bad roll
    Gustavo Goldfarb -- Saturday, 22 August 2009, at 1:18 a.m.
  • Making the best of a bad roll
    Paul Vianna -- Saturday, 22 August 2009, at 1:54 a.m.
  • Making the best of a bad roll
    neilkaz -- Saturday, 22 August 2009, at 3:07 a.m.
  • Making the best of a bad roll
    Chuck Bower -- Saturday, 22 August 2009, at 6:36 p.m.
  • Rollout: Making the best of a bad roll
    Timothy Chow -- Sunday, 23 August 2009, at 11:32 p.m.
    • Rollout: Making the best of a bad roll (gnubg posting info)
      Bob Koca -- Sunday, 23 August 2009, at 11:41 p.m.