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Jacoby, Jacoby not, Jacoby, Jacoby not
Posted By: Daniel Murphy In Response To: Rollout (DC-Ohio)
Date: Sunday, 6 May 2007, at 9:44 p.m.
Here are two money game rollouts, the first by DC-Ohio, the second by me. They should be identical in length, seed and parameters except for the Jacoby rule.
Ohio style, with Jacoby:
Alert: very bad move ( -0.278)
Alert: unlucky roll! ( -0.339)
# Ply Move Equity 1 R 21/12 +0.384
0.598 0.097 0.004 - 0.402 0.178 0.007 +0.111 +0.384 0.001 0.002 0.000 - 0.001 0.001 0.000 0.003 0.008 Full cubeful rollout with var.redn. 1296 games, Mersenne Twister dice gen. with seed 1058481698 and quasi-random dice Play: 2-ply cubeful prune [world class] keep the first 0 0-ply moves and up to 12 more moves within equity 0.16 Skip pruning for 1-ply moves. Cube: 2-ply cubeful prune [world class] • 2 R 7/2* 6/2 +0.106 ( -0.278)
0.525 0.101 0.003 - 0.475 0.127 0.005 +0.022 +0.106 0.001 0.002 0.000 - 0.001 0.002 0.000 0.003 0.010 Full cubeful rollout with var.redn. 1296 games, Mersenne Twister dice gen. with seed 1058481698 and quasi-random dice Play: 2-ply cubeful prune [world class] keep the first 0 0-ply moves and up to 12 more moves within equity 0.16 Skip pruning for 1-ply moves. Cube: 2-ply cubeful prune [world class] Oregon style, without Jacoby:
Alert: unlucky roll! ( -0.339)
# Ply Move Equity • 1 R 21/12 +0.38313
0.59789 0.09649 0.00391 - 0.40211 0.17755 0.00730 +0.11134 +0.38313 0.00129 0.00160 0.00047 - 0.00129 0.00118 0.00034 0.00330 0.00804 Full cubeful rollout with var.redn. 1296 games, Mersenne Twister dice gen. with seed 1058481698 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 7/2* 6/2 +0.10751 ( -0.27562)
0.52543 0.10082 0.00261 - 0.47457 0.12700 0.00489 +0.02241 +0.10751 0.00141 0.00153 0.00020 - 0.00141 0.00165 0.00038 0.00329 0.00976 Full cubeful rollout with var.redn. 1296 games, Mersenne Twister dice gen. with seed 1058481698 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] Almost by definition, a weak player is one who can get great dice and not realize it. -- Walter Trice
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