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Bot Info and Variants

Posted By: Nack Ballard
Date: Friday, 27 November 2015, at 7:02 p.m.

In Response To: another position from Vegas (Phil Simborg)

		White is Player 2 score: 0 pip: 139 1 point match pip: 59 score: 0 Blue is Player 1
XGID=abBBDCC----------bbbbbb---:0:0:1:32:0:0:0:1:10
Original Position

1.	XG Roller++	6/3 5/3	eq: +0.592
	Player: Opponent: 79.59% (G:51.70% B:7.55%) 20.41% (G:0.00% B:0.00%)
2.	XG Roller++	6/3 4/2	eq: +0.568 (-0.024)
	Player: Opponent: 78.40% (G:51.09% B:7.48%) 21.60% (G:0.00% B:0.00%)
3.	XG Roller++	6/4 5/2	eq: +0.520 (-0.072)
	Player: Opponent: 76.02% (G:48.60% B:7.03%) 23.98% (G:0.00% B:0.00%)
4.	XG Roller++	5/Off	eq: +0.505 (-0.087)
	Player: Opponent: 75.24% (G:48.53% B:7.61%) 24.76% (G:0.00% B:0.00%)
5.	XG Roller++	5/2 4/2	eq: +0.444 (-0.148)
	Player: Opponent: 72.20% (G:45.36% B:6.15%) 27.80% (G:0.00% B:0.00%)

Above is an XGR++ evaluation of Phil's original position. (If bot info has been posted somewhere else, I haven't seen it.)

Below are three variants.

Backgammon is a compendium of tradeoffs rather than platitudes.

Nack

		White is Player 2 score: 0 pip: 139 1 point match pip: 61 score: 0 Blue is Player 1
XGID=abCBDCC----------bbbbbb---:0:0:1:32:0:0:0:1:10
Variant 1 Compared to the original, Blue is adusted by 0/2

1.	Rollout1	6/3 2/Off	eq: +0.559
	Player: Opponent: 77.93% (G:52.92% B:25.63%) 22.07% (G:0.00% B:0.00%) Conf.: กำ 0.002 (+0.557...+0.561) - [100.0%] Duration: 52 minutes 13 seconds
2.	Rollout1	6/3 5/3	eq: +0.542 (-0.016)
	Player: Opponent: 77.12% (G:52.19% B:23.04%) 22.88% (G:0.00% B:0.00%) Conf.: กำ 0.002 (+0.540...+0.544) - [0.0%] Duration: 47 minutes 06 seconds
3.	Rollout2	6/3 4/2	eq: +0.496 (-0.063)
	Player: Opponent: 74.81% (G:50.00% B:21.90%) 25.19% (G:0.00% B:0.00%) Conf.: กำ 0.004 (+0.492...+0.500) - [0.0%] Duration: 10 minutes 31 seconds
4.	Rollout2	5/Off	eq: +0.449 (-0.110)
	Player: Opponent: 72.45% (G:48.18% B:21.50%) 27.55% (G:0.00% B:0.00%) Conf.: กำ 0.004 (+0.445...+0.453) - [0.0%] Duration: 10 minutes 50 seconds
5.	Rollout2	6/4 5/2	eq: +0.445 (-0.113)
	Player: Opponent: 72.26% (G:47.77% B:19.29%) 27.74% (G:0.00% B:0.00%) Conf.: กำ 0.004 (+0.441...+0.449) - [0.0%] Duration: 10 minutes 52 seconds
1 5284 Games rolled with Variance Reduction. Dice Seed: 31961703 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 31961703 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 0 pip: 139 1 point match pip: 63 score: 0 Blue is Player 1
XGID=abBBECC----------bbbbbb---:0:0:1:32:0:0:0:1:10
Variant 2 Compared to the original, Blue is adusted by 0/4

1.	Rollout1	6/3 4/2	eq: +0.554
	Player: Opponent: 77.72% (G:51.72% B:22.87%) 22.28% (G:0.00% B:0.00%) Conf.: กำ 0.002 (+0.552...+0.556) - [99.6%] Duration: 52 minutes 59 seconds
2.	Rollout1	6/3 5/3	eq: +0.550 (-0.004)
	Player: Opponent: 77.51% (G:51.31% B:23.04%) 22.49% (G:0.00% B:0.00%) Conf.: กำ 0.002 (+0.548...+0.552) - [0.4%] Duration: 48 minutes 07 seconds
3.	Rollout2	6/4 5/2	eq: +0.477 (-0.077)
	Player: Opponent: 73.87% (G:48.55% B:20.72%) 26.13% (G:0.00% B:0.00%) Conf.: กำ 0.004 (+0.473...+0.482) - [0.0%] Duration: 12 minutes 39 seconds
4.	Rollout2	5/Off	eq: +0.471 (-0.083)
	Player: Opponent: 73.55% (G:48.87% B:21.31%) 26.45% (G:0.00% B:0.00%) Conf.: กำ 0.005 (+0.466...+0.476) - [0.0%] Duration: 11 minutes 31 seconds
5.	Rollout2	5/2 4/2	eq: +0.423 (-0.131)
	Player: Opponent: 71.17% (G:47.05% B:18.87%) 28.83% (G:0.00% B:0.00%) Conf.: กำ 0.004 (+0.419...+0.427) - [0.0%] Duration: 11 minutes 21 seconds
1 5184 Games rolled with Variance Reduction. Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 0 pip: 116 1 point match pip: 59 score: 0 Blue is Player 1
XGID=-bBBDCC----------bbbbbba--:0:0:1:32:0:0:0:1:10
Variant 3 Compared to the original, White is adjusted by bar/2

1.	Rollout1	6/3 4/2	eq: +0.719
	Player: Opponent: 85.96% (G:31.76% B:6.01%) 14.04% (G:0.00% B:0.00%) Conf.: กำ 0.001 (+0.718...+0.720) - [100.0%] Duration: 12 minutes 58 seconds
2.	Rollout1	6/3 5/3	eq: +0.714 (-0.005)
	Player: Opponent: 85.69% (G:30.83% B:5.95%) 14.31% (G:0.00% B:0.00%) Conf.: กำ 0.001 (+0.713...+0.715) - [0.0%] Duration: 12 minutes 04 seconds
3.	Rollout2	6/4 5/2	eq: +0.663 (-0.056)
	Player: Opponent: 83.15% (G:29.51% B:5.43%) 16.85% (G:0.00% B:0.00%) Conf.: กำ 0.003 (+0.660...+0.666) - [0.0%] Duration: 8 minutes 18 seconds
4.	Rollout2	5/Off	eq: +0.640 (-0.079)
	Player: Opponent: 81.99% (G:31.04% B:5.25%) 18.01% (G:0.00% B:0.00%) Conf.: กำ 0.003 (+0.637...+0.643) - [0.0%] Duration: 8 minutes 09 seconds
5.	Rollout2	5/2 4/2	eq: +0.589 (-0.130)
	Player: Opponent: 79.44% (G:26.24% B:4.45%) 20.56% (G:0.00% B:0.00%) Conf.: กำ 0.003 (+0.586...+0.591) - [0.0%] Duration: 8 minutes 32 seconds
1 5184 Games rolled with Variance Reduction. Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 31961703 Moves: 3-ply, cube decisions: XG Roller

Messages In This Thread

• another position from Vegas
  Phil Simborg -- Thursday, 26 November 2015, at 6:42 p.m.
  • another position from Vegas
    John Gamalielson -- Thursday, 26 November 2015, at 7:01 p.m.
    • another position from Vegas--still don't have a good reason for the right play
      Phil Simborg -- Friday, 27 November 2015, at 2:24 p.m.
      • another position from Vegas--still don't have a good reason for the right play
        Timothy Chow -- Friday, 27 November 2015, at 3:06 p.m.
        • another position from Vegas--still don't have a good reason for the right play
          Casper Van der Tak -- Friday, 27 November 2015, at 3:26 p.m.
          • another position from Vegas--still don't have a good reason for the right play
            Timothy Chow -- Friday, 27 November 2015, at 5:22 p.m.
            • another position from Vegas--still don't have a good reason for the right play
              Casper Van der Tak -- Friday, 27 November 2015, at 6:08 p.m.
        • White with closed board, RO
          Nack Ballard -- Friday, 27 November 2015, at 5:36 p.m.
      • another position from Vegas--still don't have a good reason for the right play
        Stick -- Friday, 27 November 2015, at 4:51 p.m.
      • another position from Vegas--still don't have a good reason for the right play
        neilkaz -- Saturday, 28 November 2015, at 12:37 a.m.
  • another position from Vegas
    Timothy Chow -- Thursday, 26 November 2015, at 11:13 p.m.
    • another position from Vegas
      Casper Van der Tak -- Friday, 27 November 2015, at 8:11 a.m.
  • another position from Vegas
    neilkaz -- Friday, 27 November 2015, at 1:13 a.m.
  • another position from Vegas
    Mick Z -- Friday, 27 November 2015, at 5:32 a.m.
  • another position from Vegas
    Sean Garber -- Friday, 27 November 2015, at 12:26 p.m.
  • another position from Vegas
    Chuck Bower -- Friday, 27 November 2015, at 4:53 p.m.
  • Bot Info and Variants
    Nack Ballard -- Friday, 27 November 2015, at 7:02 p.m.