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Position #254

Nov 9th, 2009 by vct

White 1, Red 1 (match to 9 points)

Red to play 12

+-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+

+--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+

Pip counts: White 103, Red 72
Position ID: tt0JAAwe7xsAAA Match ID: QYkoARAACAAA

Red should not make the 4-point, but clear the barpoint instead. He is huge favorite to win if he is not hit anymore and has no need to block White anymore. In fact, he’d love if White broke contact. The 4-point would just be another point Red would risk leaving a shot while clearing.

Ply

Move

Equity

7/6 7/5

+0,756

0,885	0,025	0,000	-	0,115	0,001	0,000	+0,797	+0,756
0,001	0,001	0,000	-	0,001	0,000	0,000	0,002	0,003

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 870236450 and quasi-random dice

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

keep the first 0 0-ply moves and up to 8 more moves within equity 0,16

Skip pruning for 1-ply moves.

Cube: 2-ply cubeful prune [world class]

Different evaluations after 12 plies:

Play: 0-ply cubeful [expert]

Cube: 2-ply cubeful prune [world class]

6/4 5/4

+0,730 ( -0,026)

0,872	0,025	0,000	-	0,128	0,002	0,000	+0,769	+0,730
0,001	0,001	0,000	-	0,001	0,001	0,000	0,002	0,002

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 870236450 and quasi-random dice

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

keep the first 0 0-ply moves and up to 8 more moves within equity 0,16

Skip pruning for 1-ply moves.

Cube: 2-ply cubeful prune [world class]

Different evaluations after 12 plies:

Play: 0-ply cubeful [expert]

Cube: 2-ply cubeful prune [world class]

Posted in Bear off, Checker play, Position

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Position #254

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