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Rollout teachs GNU how to use checkers effectively

Posted By: neilkaz
Date: Friday, 30 January 2009, at 8:59 p.m.

In Response To: 2 ply/3 ply/4ply (Stick)

Just a short rollout prob is enuf.

The score (after 0 games) is: gnubg 0, ntk 0 (match to 7 points)

Move number 4: ntk to play 36

gnubg134


1O1X2X '2O4X2O2X '3O ' '

' ' '2O2O3O '2X ' ' '4X

ntk181

Position ID: Gs/gYQDYDuCYIQ Match ID: cIn5AAAAAAAA

# Ply Move Equity
1 R 15/9 6/3 -0.1063
0.47460.13390.0058-0.52540.17460.0089 -0.0968 -0.1063
0.00370.00320.0008-0.00370.00370.0011 0.0097 0.0224
Full cubeful rollout with var.redn.
436 games, Mersenne Twister dice gen. with seed 816058301 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 15/6 -0.1685 ( -0.0622)
0.45370.12120.0049-0.54630.14770.0046 -0.1205 -0.1685
0.00320.00290.0011-0.00320.00370.0005 0.0082 0.0171
Full cubeful rollout with var.redn.
436 games, Mersenne Twister dice gen. with seed 816058301 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]
3 2 24/21 15/9 -0.2123 ( -0.1060)
0.4429 0.1147 0.0034 - 0.5571 0.1477 0.0034

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