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Daily Quiz 12/15: XGR+ evals

Posted By: Timothy Chow
Date: Monday, 19 December 2011, at 4:59 p.m.

In Response To: Daily Quiz 12/15 (Daily Quiz)





White is Player 2

score: 0
pip: 160
7 point match
pip: 142
score: 0

Blue is Player 1
XGID=-a---bE-E--BcB---c-cc---A-:0:0:1:53:0:0:0:7:10
Blue to play 53

1.XG Roller+8/3 6/3eq: -0.078
Player:
Opponent:
49.53% (G:9.48% B:0.32%)
50.47% (G:13.57% B:0.44%)
2.XG Roller+24/16eq: -0.113 (-0.035)
Player:
Opponent:
49.79% (G:8.30% B:0.30%)
50.21% (G:15.57% B:0.49%)

eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross






White is Player 2

score: 0
pip: 63
Money session
Jacoby Beaver
pip: 88
score: 0

Blue is Player 1
XGID=aBBBB-BA--BA------A-cbcc--:1:1:1:44:0:0:3:0:10
Blue to play 44

1.XG Roller+18/6 10/6eq: +0.556
Player:
Opponent:
64.03% (G:0.00% B:0.00%)
35.97% (G:1.78% B:0.07%)
2.XG Roller+18/6 11/7eq: +0.478 (-0.079)
Player:
Opponent:
62.83% (G:0.00% B:0.00%)
37.17% (G:0.33% B:0.01%)
3.XG Roller+18/6 7/3eq: +0.470 (-0.087)
Player:
Opponent:
63.15% (G:0.00% B:0.00%)
36.85% (G:0.69% B:0.01%)
4.XG Roller+18/14 11/7 10/2eq: +0.430 (-0.126)
Player:
Opponent:
60.45% (G:0.00% B:0.00%)
39.55% (G:1.33% B:0.04%)
5.XG Roller+18/2eq: +0.424 (-0.132)
Player:
Opponent:
61.46% (G:0.00% B:0.00%)
38.54% (G:2.04% B:0.05%)
6.XG Roller+18/14 11/3 10/6eq: +0.416 (-0.140)
Player:
Opponent:
61.43% (G:0.00% B:0.00%)
38.57% (G:2.02% B:0.08%)
7.XG Roller+18/14 10/6(2) 7/3eq: +0.391 (-0.165)
Player:
Opponent:
58.91% (G:0.00% B:0.00%)
41.09% (G:1.01% B:0.03%)
8.XG Roller+18/14 10/6 10/2eq: +0.389 (-0.167)
Player:
Opponent:
60.33% (G:0.00% B:0.00%)
39.67% (G:2.45% B:0.09%)
9.XG Roller+18/14 11/3 7/3eq: +0.382 (-0.175)
Player:
Opponent:
58.55% (G:0.00% B:0.00%)
41.45% (G:1.27% B:0.04%)

eXtreme Gammon Version: 1.21

The cube location is important. After 18/6 10/6, Blue has a strong double after a dance; after 18/6 11/7, not so much. With White owning the cube:





White is Player 2

score: 0
pip: 63
Money session
Jacoby Beaver
pip: 88
score: 0

Blue is Player 1
XGID=aBBBB-BA--BA------A-cbcc--:1:-1:1:44:0:0:3:0:10
Blue to play 44

1.XG Roller+18/6 10/6eq: +0.159
Player:
Opponent:
63.85% (G:0.00% B:0.00%)
36.15% (G:1.79% B:0.06%)
2.XG Roller+18/6 7/3eq: +0.143 (-0.017)
Player:
Opponent:
63.16% (G:0.00% B:0.00%)
36.84% (G:0.64% B:0.01%)
3.XG Roller+18/6 11/7eq: +0.128 (-0.032)
Player:
Opponent:
62.75% (G:0.00% B:0.00%)
37.25% (G:0.42% B:0.01%)

eXtreme Gammon Version: 1.21

Even with White's 6pt closed, the truncated rollout below favors the four-builder play (if Blue owns the cube):





White is Player 2

score: 0
pip: 68
Money session
Jacoby Beaver
pip: 88
score: 0

Blue is Player 1
XGID=aBBBB-BA--BA------Abbbcb--:1:1:1:44:0:0:3:0:10
Blue to play 44

1.Rollout118/6 10/6eq: +0.643
Player:
Opponent:
65.99% (G:0.00% B:0.00%)
34.01% (G:2.74% B:0.13%)
Conf: ± 0.013 (+0.630...+0.656)
Duration: 22.1 seconds
2.Rollout118/6 11/7eq: +0.615 (-0.028)
Player:
Opponent:
66.03% (G:0.00% B:0.00%)
33.97% (G:0.33% B:0.01%)
Conf: ± 0.014 (+0.601...+0.629)
Duration: 19.3 seconds
1 Truncated at 7 moves using 3 ply.
648 Games rolled with Variance Reduction.
Dice Seed: 2
First 2 moves and cube decisions: 3 ply
Remaining moves: 2 ply, cube decisions: 3 ply

eXtreme Gammon Version: 1.21






White is Player 2

score: 0
pip: 144
Money session
Jacoby Beaver
pip: 135
score: 0

Blue is Player 1
XGID=---b--EBCa--cCB--a-cabb---:0:0:1:42:0:0:3:0:10
Blue to play 42

1.XG Roller+13/9* 9/7eq: +0.576
Player:
Opponent:
67.04% (G:8.46% B:0.28%)
32.96% (G:6.15% B:0.14%)
2.XG Roller+8/4 6/4eq: +0.561 (-0.015)
Player:
Opponent:
66.52% (G:8.51% B:0.22%)
33.48% (G:4.96% B:0.12%)

eXtreme Gammon Version: 1.21

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