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BGonline.org Forums
And now a serious ... Magriel's Theorem
Posted By: Daniel Murphy In Response To: And now a serious ... Magriel's Theorem (Bob Koca)
Date: Wednesday, 21 October 2009, at 9:17 p.m.
There's no Quizfactorfooling Bob Koca. Yes, the plays are equal. Here's another position I found a while ago, where the wrong move costs 0.00015 equity.
DMP. Blue to Play 6-1
White 18
Blue 35 Position ID: vx8AACD/EgAAAA Match ID: cAknAAAAAAAA
• Blue moves 6/off 1/off
# Ply Move Equity • 1 R 6/off 1/off -0.332816
0.333592 0.000000 0.000000 - 0.666408 0.000000 0.000000 -0.332816 -0.332816 0.000003 0.000000 0.000000 - 0.000003 0.000000 0.000000 0.000005 0.000006 Full cubeful rollout with var.redn. 46656 games, Mersenne Twister dice gen. with seed 871394066 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] 2 R 6/off 3/2 -0.332969 ( -0.000153)
0.333516 0.000000 0.000000 - 0.666484 0.000000 0.000000 -0.332969 -0.332969 0.000003 0.000000 0.000000 - 0.000003 0.000000 0.000000 0.000005 0.000006 Full cubeful rollout with var.redn. 46656 games, Mersenne Twister dice gen. with seed 871394066 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]
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