Variant with super strong board

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Variant with super strong board

Posted By: Timothy Chow
Date: Saturday, 7 August 2010, at 10:40 p.m.

In Response To: I didn't know that I didn't know how to play this kind of position (trichard)

Here's a variant of the second position I posted where the opponent has a super strong board. The rollout puts the safer play 14/6 on top, but just barely. This result should underline the danger of having checkers on the 11 point.
gnubg 145

tchow 81
Position ID: tm0A4EHbzdAIAA Match ID: QYkVAAAAiAAA

• tchow moves 14/6

# Ply Move Equity

• 1 R 14/6 +1.091

0.821 0.544 0.004 - 0.179 0.015 0.000 +1.175 +1.091

0.001 0.002 0.001 - 0.001 0.001 0.000 0.003 0.005

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 896607926 and quasi-random dice

Play: supremo 2-ply cubeful prune [world class]

keep the first 0 0-ply moves and up to 16 more moves within equity 0.32

Skip pruning for 1-ply moves.

Cube: 2-ply cubeful prune [world class]

2 R 11/8 11/6 +1.070 ( -0.021)

0.816 0.545 0.004 - 0.184 0.043 0.002 +1.135 +1.070

0.001 0.002 0.000 - 0.001 0.001 0.000 0.003 0.004

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 896607926 and quasi-random dice

Play: supremo 2-ply cubeful prune [world class]

keep the first 0 0-ply moves and up to 16 more moves within equity 0.32

Skip pruning for 1-ply moves.

Cube: 2-ply cubeful prune [world class]