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21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout

Posted By: Timothy Chow
Date: Monday, 28 July 2014, at 5:26 p.m.

In Response To: 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout (Ian Dunstan)

Ian wrote:

a 1296 gnubg rollout and 1296 XG rollout differ a LOT in their reported accuracy

I've noticed this too, and have wondered what's behind it. In general one should expect that a stronger bot should yield lower variance, because I think a perfect neural net should get the equity exactly right with every rollout trial. So I attributed the lower variance to XG's stronger net. (In fact, if I recall correctly, there was a noticeable difference between XG1 and XG2 in this regard.)

But that was for GNU 0.x rather than GNU 1.x. Are you using GNU 1.x? I haven't don't many rollouts with GNU 1.x and for those that I have done, I haven't looked closely at the variance to compare it with that of XG. The new GNU neural net should be close in strength to XG2, so I would expect that it should report similar results.

Messages In This Thread

• Early 42 to play
  Ian Dunstan -- Thursday, 24 July 2014, at 10:53 a.m.
  • Early 42 to play
    Keene -- Thursday, 24 July 2014, at 2:49 p.m.
  • Early 42 to play
    Timothy Chow -- Thursday, 24 July 2014, at 5:20 p.m.
    • Variation
      Ian Dunstan -- Saturday, 26 July 2014, at 2:46 a.m.
  • Early 42 to play
    Sam Pottle -- Friday, 25 July 2014, at 3:22 a.m.
    • Early 42 to play
      neilkaz -- Friday, 25 July 2014, at 3:35 p.m.
  • Early 42 to play
    Fatboy -- Friday, 25 July 2014, at 5:59 a.m.
  • Early 42 to play
    Ian Shaw -- Friday, 25 July 2014, at 6:53 a.m.
    • Early 42 to play
      neilkaz -- Friday, 25 July 2014, at 3:33 p.m.
    • Early 42 to play
      Timothy Chow -- Friday, 25 July 2014, at 5:08 p.m.
      • Early 42 to play
        Taper_Mike -- Sunday, 27 July 2014, at 6:44 a.m.
  • Rollout
    Ian Dunstan -- Saturday, 26 July 2014, at 2:12 a.m.
    • Wow**NM**
      Fatboy -- Saturday, 26 July 2014, at 10:24 p.m.
    • 42P-31P-66B-42 – Unlimited Games – 3-ply XG2 Rollout
      Taper_Mike -- Monday, 28 July 2014, at 11:02 a.m.
  • 21$-66B-51P-42P-42 – A Related Variant
    Taper_Mike -- Sunday, 27 July 2014, at 7:47 a.m.
    • 21$-66B-51P-42P-42 – A Related Variant
      Timothy Chow -- Sunday, 27 July 2014, at 2:58 p.m.
    • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
      Taper_Mike -- Monday, 28 July 2014, at 11:12 a.m.
      • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
        Ian Dunstan -- Monday, 28 July 2014, at 1:09 p.m.
        • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
          Timothy Chow -- Monday, 28 July 2014, at 5:26 p.m.
          • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
            Ian Dunstan -- Tuesday, 29 July 2014, at 7:51 a.m.
            • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
              Tom Keith -- Tuesday, 29 July 2014, at 12:39 p.m.
              • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
                Ian Dunstan -- Tuesday, 29 July 2014, at 1:06 p.m.
            • 21$-66B-51P-42P-42 – Unlimited Games – 3-ply XG2 Rollout
              Timothy Chow -- Wednesday, 30 July 2014, at 12:40 a.m.