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Various Strength ROs

Posted By: Bob Koca
Date: Saturday, 28 June 2014, at 12:21 a.m.

In Response To: Mochy backgame "minimum pip trail to take", assumptions? (mochy)

Looks like a comfortable take. What is the explanation for XG roller being so much closer than XG+ or XG++? Also surprised that going to ++ did not show an easier take. It is the backgame side which is more difficult to play right?

XG roller 1.019

XG+ 1.059

XG++ 1.058

1296 game 3 ply RO with roller cubes .998

1296 game XG+ XG+ RO .967

1296 game XG++ XG++ with huge search space .967





White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby Beaver
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller No double Double/Take
Player Winning Chances: 64.583% (G:32.419% B:5.292%) 64.675% (G:32.619% B:5.433%)
Opponent Winning Chances: 35.417% (G:1.511% B:0.054%) 35.325% (G:1.561% B:0.055%)
Cubeless Equities +0.6531 +1.3157
Cubeful Equities
No double:+0.9390 (-0.0610)
Double/Take:+1.0191 (+0.0191)
Double/Pass:+1.0000
Best Cube action: Double / Pass

eXtreme Gammon Version: 2.10
White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby Beaver
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No double Double/Take
Player Winning Chances: 64.908% (G:32.553% B:5.215%) 65.315% (G:32.626% B:5.190%)
Opponent Winning Chances: 35.092% (G:1.495% B:0.054%) 34.685% (G:1.296% B:0.045%)
Cubeless Equities +0.6603 +1.3421
Cubeful Equities
No double:+0.9654 (-0.0346)
Double/Take:+1.0586 (+0.0586)
Double/Pass:+1.0000
Best Cube action: Double / Pass

eXtreme Gammon Version: 2.10
White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby Beaver
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller++ No double Double/Take
Player Winning Chances: 65.205% (G:32.602% B:5.216%) 65.467% (G:32.373% B:5.131%)
Opponent Winning Chances: 34.795% (G:1.338% B:0.044%) 34.533% (G:1.302% B:0.038%)
Cubeless Equities +0.6685 +1.3420
Cubeful Equities
No double:+0.9664 (-0.0336)
Double/Take:+1.0575 (+0.0575)
Double/Pass:+1.0000
Best Cube action: Double / Pass

eXtreme Gammon Version: 2.10
White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby Beaver
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 64.880% (G:32.320% B:5.286%) 64.981% (G:31.981% B:5.298%)
Opponent Winning Chances: 35.120% (G:1.463% B:0.055%) 35.019% (G:1.494% B:0.063%)
Cubeless Equities +0.6585 +1.3137
Cubeful Equities
No double:+0.9401 (-0.0577)±0.0134 (+0.9267..+0.9535)
Double/Take:+0.9978±0.0222 (+0.9756..+1.0200)
Double/Pass:+1.0000 (+0.0022)
Best Cube action: Double / Take
Rollout details
1296 Games rolled with Variance Reduction.
Dice Seed: 60367227
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:57.7%
Duration: 4 minutes 14 seconds

eXtreme Gammon Version: 2.10
White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby Beaver
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 64.606% (G:32.049% B:5.114%) 64.808% (G:31.779% B:5.012%)
Opponent Winning Chances: 35.394% (G:1.510% B:0.068%) 35.192% (G:1.464% B:0.077%)
Cubeless Equities +0.6480 +1.2973
Cubeful Equities
No double:+0.9170 (-0.0499)±0.0124 (+0.9046..+0.9294)
Double/Take:+0.9670±0.0172 (+0.9498..+0.9842)
Double/Pass:+1.0000 (+0.0330)
Best Cube action: Double / Take
Rollout details
1296 Games rolled with Variance Reduction.
Dice Seed: 56132000
Moves and cube decisions: XG Roller+
Search interval: Large
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 4 hours 57 minutes

eXtreme Gammon Version: 2.10
White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:D:0:0:1:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 64.714% (G:32.134% B:5.139%) 64.735% (G:31.499% B:5.013%)
Opponent Winning Chances: 35.286% (G:1.431% B:0.053%) 35.265% (G:1.502% B:0.068%)
Cubeless Equities +0.6522 +1.2883
Cubeful Equities
No double:+0.9203 (-0.0465)±0.0100 (+0.9102..+0.9303)
Double/Take:+0.9668±0.0162 (+0.9506..+0.9830)
Double/Pass:+1.0000 (+0.0332)
Best Cube action: Double / Take
Rollout details
1296 Games rolled with Variance Reduction.
Dice Seed: 60367227
Moves and cube decisions: XG Roller++
Search interval: Huge
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 1 day 11 hours 29 minutes

eXtreme Gammon Version: 2.10

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