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Holding Game Cube - Rollouts + Analysis

Posted By: Stick
Date: Friday, 11 April 2014, at 1:49 a.m.

In Response To: Holding Game Cube (Stick)

As was surmised, why would I post a boring old holding game unless there was a catch. The catch that was caught by a couple, the score. I think a lot of people think "ahead on the scoreboard, cube later, take earlier". While often true, esp. considering non gammonish positions like this one, is not always true.

You could either do the math:

  • Double/Pass for 6a 3a or 29% ME
  • Double/Take/Lose for 6a 2a or 20% ME
  • Double/Take/Win for 4a 4a or 50% ME

We would be risking 9% to gain 21%. Risk/(risk+gain) or 9/30 or 30% as the dead cube take point. The 4 cube take point is around 25% so there's no extra recube vig to figure in meaning our TP AtS is clearly higher than its money counterpart.

Or you might try thinking about it commonsensical. (oh, it's word SON) You strive to keep away from 3a many away score because of how handcuffed you are using the cube. Alternately how nice it is to get to 2a. Grain of salt advice.

AtS





White is Player 2

score: 1
pip: 126
7 point match
pip: 116
score: 3

Blue is Player 1
XGID=----bBEBB-B-bB---babbbaa--:0:0:1:00:3:1:0:7:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 72.24% (G:2.66% B:0.12%) 72.65% (G:2.27% B:0.09%)
Opponent Winning Chances: 27.76% (G:1.56% B:0.06%) 27.35% (G:1.33% B:0.04%)
Cubeless Equities +0.463 +1.126
Cubeful Equities
No double:+0.847 (-0.047)±0.006 (+0.841..+0.853)
Double/Take:+0.894±0.007 (+0.887..+0.901)
Double/Pass:+1.000 (+0.106)
Best Cube action: Double / Take
Rollout details
2592 Games rolled with Variance Reduction.
Dice Seed: 76453195
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 41 minutes 16 seconds

eXtreme Gammon Version: 2.10, MET: Kazaross XG2


Money





White is Player 2

score: 0
pip: 126
Unlimited Game
Jacoby Beaver
pip: 116
score: 0

Blue is Player 1
XGID=----bBEBB-B-bB---babbbaa--:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 72.33% (G:2.49% B:0.08%) 72.70% (G:2.42% B:0.13%)
Opponent Winning Chances: 27.67% (G:1.48% B:0.04%) 27.30% (G:1.46% B:0.04%)
Cubeless Equities +0.457 +0.929
Cubeful Equities
No double:+0.763±0.007 (+0.756..+0.770)
Double/Take:+0.758 (-0.005)±0.007 (+0.750..+0.765)
Double/Pass:+1.000 (+0.237)
Best Cube action: No double / Take
Percentage of wrong pass needed to make the double decision right: 2.0%
Rollout details
2592 Games rolled with Variance Reduction.
Dice Seed: 76453195
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:83.4%
Take Decision confidence:100.0%
Duration: 52 minutes 37 seconds

eXtreme Gammon Version: 2.10

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