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Daily Quiz 1/26: XGR+ evals

Posted By: Timothy Chow
Date: Monday, 30 January 2012, at 12:34 a.m.

In Response To: Daily Quiz 1/26 (Daily Quiz)

Position 1 is an excellent DQR candidate. Further comments below...





White is Player 2

score: 0
pip: 174
1 point match
pip: 61
score: 0

Blue is Player 1
XGID=-cBBCCDa----b-a--aacba----:0:0:1:11:0:0:0:1:10
Blue to play 11

1.XG Roller+5/4(2) 5/3eq: +0.611
Player:
Opponent:		 80.54% (G:60.10% B:10.63%)
19.46% (G:0.00% B:0.00%)
2.XG Roller+6/5 6/3eq: +0.595 (-0.016)
Player:
Opponent:		 79.76% (G:60.20% B:11.65%)
20.24% (G:0.00% B:0.00%)
3.XG Roller+6/5(4)eq: +0.574 (-0.037)
Player:
Opponent:		 78.68% (G:59.21% B:11.53%)
21.32% (G:0.00% B:0.00%)
4.XG Roller+6/4(2)eq: +0.565 (-0.046)
Player:
Opponent:		 78.25% (G:58.81% B:11.44%)
21.75% (G:0.00% B:0.00%)
5.XG Roller+6/3 5/4eq: +0.564 (-0.047)
Player:
Opponent:		 78.20% (G:58.69% B:11.11%)
21.80% (G:0.00% B:0.00%)
6.XG Roller+6/3 4/3eq: +0.552 (-0.059)
Player:
Opponent:		 77.58% (G:58.63% B:10.95%)
22.42% (G:0.00% B:0.00%)
7.XG Roller+6/2eq: +0.541 (-0.070)
Player:
Opponent:		 77.05% (G:57.97% B:10.55%)
22.95% (G:0.00% B:0.00%)

eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross

In position 323 in Robertie's 501 Problems, shown below, he recommends clearing the 5pt. However, a GNU rollout says that clearing the 5pt is a blunder.

Money Game
Blue to play 31
White152

Blue60
GNUBg Id: 2LYFKDDebg8AAA:QYkMAAAAAAAA
XGID=-bDBCBDaa-------abbbbb----:1:-1:1:31:0:0:0:0:10

Here's another position in my files where clearing an interior point is right.

Money Game
Blue to play 11
White141

Blue51
GNUBg Id: tjXBADh+2wcAAA:QYkEAAAAAAAA
XGID=-cFBBE------b----a-babbb--:1:-1:1:11:0:0:0:0:10
White is Player 2

score: 0
pip: 143
Money session
Jacoby Beaver
pip: 175
score: 0

Blue is Player 1
XGID=----BbCaB----E-b-bccb-B-A-:0:0:1:21:0:0:3:0:10
Blue to play 21

1.XG Roller+24/21eq: -0.771
Player:
Opponent:		 32.02% (G:4.96% B:0.17%)
67.98% (G:17.84% B:0.64%)
2.XG Roller+24/22 13/12eq: -0.839 (-0.067)
Player:
Opponent:		 31.21% (G:5.10% B:0.17%)
68.79% (G:19.95% B:0.83%)
3.XG Roller+24/22 8/7* eq: -0.845 (-0.074)
Player:
Opponent:		 31.70% (G:4.98% B:0.16%)
68.30% (G:20.32% B:0.93%)

eXtreme Gammon Version: 1.21
White is Player 2

score: 0
pip: 134
Money session
Jacoby Beaver
pip: 94
score: 0

Blue is Player 1
XGID=--bDB-DB-b--Ca-----cbc-b--:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?


Analyzed in XG Roller+
Player Winning Chances: 68.70% (G: 10.35% B: 0.29%)
Opponent Winning Chances: 31.30% (G: 3.62% B: 0.10%)
Cubeless Equities
No Redouble:+0.443
Redouble:+0.892
Cubeful Equities
No Redouble:+0.732
Redouble/Take:+0.704 (-0.028)
Redouble/Drop:+1.000 (+0.268)
Best Cube action: No Redouble / Take

eXtreme Gammon Version: 1.21

Variant:





White is Player 2

score: 0
pip: 134
Money session
Jacoby Beaver
pip: 98
score: 0

Blue is Player 1
XGID=--bCB-DC-b--Ca-----cbc-b--:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?


Analyzed in XG Roller+
Player Winning Chances: 72.84% (G: 9.18% B: 0.26%)
Opponent Winning Chances: 27.16% (G: 2.57% B: 0.07%)
Cubeless Equities
No Redouble:+0.525
Redouble:+1.061
Cubeful Equities
No Redouble:+0.858 (-0.031)
Redouble/Take:+0.889
Redouble/Drop:+1.000 (+0.111)
Best Cube action: Redouble / Take

eXtreme Gammon Version: 1.21

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