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OLM Sa 03/03/12 ROLLOUT — Alternative 3-ply, 165k Rollout

Posted By: Taper_Mike
Date: Sunday, 11 March 2012, at 4:13 a.m.

In Response To: OLM Sa 03/03/12 ROLLOUT (Jason Lee)

–

I have long been interested in bot plays where the computer eschews making a point in favor of scattering blots or even breaking an inside point. I have been trying to understand what the machine sees that humans have missed. In this case, I think there is a theme we can take away:

Two slotted points with three builders will often cover faster than one open point and three builders.

My 3-ply rollout follows.

Mike

P.S. Are you aware of any other general principles that sometimes apply is these sorts of positions? Praytell, please share.

–
White is Player 2

score: 2
pip: 94
15 point match
pip: 107
score: 9

Blue is Player 1
XGID=-B-ABBCAA--Ab-----ecBbb-a-:0:0:1:62:9:2:0:15:10
Blue to play 62
1.Rollout111/9 8/2eq: -0.4859
Player:
Opponent:		35.88% (G:1.61% B:0.03%)
64.12% (G:1.82% B:0.08%)		Conf.: ±0.0006 (-0.4865...-0.4852) - [80.4%]
Duration: 5 hours 20 minutes
2.Rollout18/2 5/3eq: -0.4863 (-0.0004)
Player:
Opponent:		35.80% (G:1.63% B:0.02%)
64.20% (G:1.91% B:0.09%)		Conf.: ±0.0007 (-0.4870...-0.4856) - [19.5%]
Duration: 4 hours 57 minutes
3.Rollout211/3eq: -0.4875 (-0.0016)
Player:
Opponent:		35.61% (G:1.52% B:0.03%)
64.39% (G:1.64% B:0.03%)		Conf.: ±0.0009 (-0.4884...-0.4866) - [0.1%]
Duration: 2 hours 39 minutes
4.Rollout28/2 6/4eq: -0.4905 (-0.0047)
Player:
Opponent:		35.69% (G:1.57% B:0.03%)
64.31% (G:1.92% B:0.08%)		Conf.: ±0.0009 (-0.4915...-0.4896) - [0.0%]
Duration: 2 hours 07 minutes
5.Rollout211/5 6/4eq: -0.4910 (-0.0052)
Player:
Opponent:		35.55% (G:1.49% B:0.03%)
64.45% (G:1.77% B:0.05%)		Conf.: ±0.0009 (-0.4919...-0.4902) - [0.0%]
Duration: 2 hours 10 minutes
6.Rollout311/5 4/2eq: -0.5074 (-0.0216)
Player:
Opponent:		35.14% (G:1.38% B:0.02%)
64.86% (G:1.54% B:0.03%)		Conf.: ±0.0040 (-0.5114...-0.5035) - [0.0%]
Duration: 5 minutes 53 seconds
7.Rollout38/2 7/5eq: -0.5088 (-0.0229)
Player:
Opponent:		35.07% (G:1.51% B:0.03%)
64.93% (G:1.87% B:0.04%)		Conf.: ±0.0035 (-0.5123...-0.5053) - [0.0%]
Duration: 10 minutes 28 seconds
8.Rollout38/2 4/2eq: -0.5091 (-0.0233)
Player:
Opponent:		35.14% (G:1.64% B:0.03%)
64.86% (G:2.13% B:0.10%)		Conf.: ±0.0037 (-0.5128...-0.5054) - [0.0%]
Duration: 9 minutes 59 seconds
9.Rollout311/5 7/5eq: -0.5094 (-0.0236)
Player:
Opponent:		34.94% (G:1.50% B:0.03%)
65.06% (G:1.82% B:0.04%)		Conf.: ±0.0034 (-0.5129...-0.5060) - [0.0%]
Duration: 8 minutes 17 seconds
10.Rollout311/5 8/6eq: -0.5202 (-0.0343)
Player:
Opponent:		34.49% (G:1.49% B:0.03%)
65.51% (G:1.88% B:0.04%)		Conf.: ±0.0036 (-0.5238...-0.5166) - [0.0%]
Duration: 7 minutes 57 seconds
1 165888 Games rolled with Variance Reduction.
Dice Seed: 49943193
Moves: 3-ply, cube decisions: XG Roller

2 82944 Games rolled with Variance Reduction.
Dice Seed: 49943193
Moves: 3-ply, cube decisions: XG Roller

3 5184 Games rolled with Variance Reduction.
Dice Seed: 49943193
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.01, MET: Kazaross XG2

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