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Two additional variants

Posted By: Nack Ballard
Date: Friday, 9 October 2015, at 8:38 p.m.

In Response To: Hit two or run - XGR++ + Variant (Stick)





White is Player 2

score: 0
pip: 127
11 point match
pip: 151
score: 0

Blue is Player 1
XGID=----a-E-C-BadD---b-b-ab-bA:0:0:1:64:0:0:0:11:10
Blue to play 64

1.XG Roller++Bar/21* 10/4* eq: +0.240
Player:
Opponent:
56.15% (G:16.63% B:0.86%)
43.85% (G:14.51% B:0.41%)
2.XG Roller++Bar/21* 21/15eq: +0.148 (-0.091)
Player:
Opponent:
55.88% (G:8.57% B:0.35%)
44.12% (G:11.81% B:0.17%)

Above is the XGR++ evaluation (as posted by Stick) of the original position.

Stick also posted a nicely contrasting variant, which is not shown here but easy to visualize. Lift White's 14pt checker to her midpoint, and Blue should run to the 15pt (by .033, according to XGR++ eval); there is only the usual single return shot.

I offer two additional contrasters below, both of which keep White's 14pt checker. In the second of these two variants, a third play rises to the top.

Nack





White is Player 2

score: 0
pip: 131
11 point match
pip: 151
score: 0

Blue is Player 1
XGID=----a-E-C-BadD---b-bba--bA:0:0:1:64:0:0:0:11:10

Variant 1
[R K83 Z164] "<=1


1.Rollout1Bar/21* 21/15eq: +0.183
Player:
Opponent:
56.37% (G:8.87% B:0.37%)
43.63% (G:12.31% B:0.20%)
Conf.: กำ 0.011 (+0.172...+0.194) - [100.0%]
Duration: 1 hour 08 minutes
2.Rollout1Bar/21* 10/4* eq: +0.100 (-0.083)
Player:
Opponent:
53.23% (G:15.90% B:0.85%)
46.77% (G:15.91% B:0.48%)
Conf.: กำ 0.015 (+0.085...+0.116) - [0.0%]
Duration: 1 hour 03 minutes
3.Rollout1Bar/21* 13/7eq: +0.019 (-0.164)
Player:
Opponent:
51.68% (G:12.89% B:0.72%)
48.32% (G:16.08% B:0.41%)
Conf.: กำ 0.013 (+0.006...+0.032) - [0.0%]
Duration: 1 hour 04 minutes
 
1 1296 Games rolled with Variance Reduction.
Dice Seed: 9265210
Moves: 3-ply, cube decisions: XG Roller





White is Player 2

score: 0
pip: 128
11 point match
pip: 149
score: 0

Blue is Player 1
XGID=---a--E-CB-adD---b-b-ab-bA:0:0:1:64:0:0:0:11:10

Variant 2
[Z R2 K45] "<=10*5


1.Rollout1Bar/21* 13/7eq: +0.252
Player:
Opponent:
57.19% (G:14.43% B:0.71%)
42.81% (G:13.90% B:0.31%)
Conf.: กำ 0.005 (+0.247...+0.257) - [69.3%]
Duration: 8 hours 36 minutes
2.Rollout1Bar/21* 21/15eq: +0.251 (-0.002)
Player:
Opponent:
58.13% (G:10.08% B:0.49%)
41.87% (G:12.75% B:0.21%)
Conf.: กำ 0.005 (+0.246...+0.255) - [30.7%]
Duration: 9 hours 14 minutes
3.Rollout2Bar/21* 9/3* eq: +0.207 (-0.045)
Player:
Opponent:
55.63% (G:17.03% B:0.89%)
44.37% (G:15.52% B:0.41%)
Conf.: กำ 0.007 (+0.200...+0.214) - [0.0%]
Duration: 4 hours 05 minutes
 
1 10368 Games rolled with Variance Reduction.
Dice Seed: 7059602
Moves: 3-ply, cube decisions: XG Roller

2 5184 Games rolled with Variance Reduction.
Dice Seed: 7059602
Moves: 3-ply, cube decisions: XG Roller

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