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ROLLOUT confirmed by GNUbg

Posted By: leobueno
Date: Thursday, 9 June 2011, at 11:27 a.m.

In Response To: RO etc (neilkaz)

1. GNUbg confirms XG's rollout.

2. Note that for top plays 2, 3 and 4, JSDs did NOT reach 4. (It would be nice if GNUbg listed the JSDs, so we would not have to calculate them.)

3. I was surprised to see that the order of the plays matched XG's, and generally so did the equities.

4. This rollout took a hell of a long time compared to simpler positions.

The score (after 0 games) is: leo 0, gnubg 0 (match to 1 point, post-Crawford play)

Move number 3: gnubg to play 56

leo200


' ' '2X '2X3X1X '1O '2O

2O2X2O5X2O2O '3O ' ' '1O

gnubg107

Position ID: mF0A8Bkzm0MTAA Match ID: cIk6AAAAAAAE

• gnubg moves 13/8 12/6

Alert: doubtful move ( -0.007)

# Ply Move Equity
1 R 12/6 8/3 +0.100
55.0 45.0 17.2- 45.0 6.2 0.6 +0.100 +0.100
0.2 0.4 0.6- 0.2 0.3 0.1 0.004 0.004
Full cubeful rollout with var.redn.
2478 games, Mersenne Twister dice gen. with seed 885366813 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 20 more moves within equity 0.44
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
• 2 R 13/8 12/6 +0.093 ( -0.007)
54.6 44.2 15.7- 45.4 5.4 0.4 +0.093 +0.093
0.2 0.4 0.5- 0.2 0.3 0.1 0.004 0.004
Full cubeful rollout with var.redn.
2477 games, Mersenne Twister dice gen. with seed 885366813 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 20 more moves within equity 0.44
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
3 R 15/10 12/6 +0.091 ( -0.009)
54.5 43.8 15.4- 45.5 6.3 0.6 +0.091 +0.091
0.2 0.4 0.5- 0.2 0.3 0.1 0.004 0.004
Full cubeful rollout with var.redn.
2475 games, Mersenne Twister dice gen. with seed 885366813 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 20 more moves within equity 0.44
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
4 R 13/7 12/7 +0.086 ( -0.014)
54.3 44.0 16.0- 45.7 6.9 0.7 +0.086 +0.086
0.2 0.4 0.5- 0.2 0.3 0.1 0.004 0.004
Full cubeful rollout with var.redn.
2476 games, Mersenne Twister dice gen. with seed 885366813 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 20 more moves within equity 0.44
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
5 R 15/9 8/3 +0.073 ( -0.026)
53.7 42.9 15.2- 46.3 7.0 0.9 +0.073 +0.073
0.2 0.6 0.7- 0.2 0.4 0.2 0.005 0.005
Full cubeful rollout with var.redn.
1208 games, Mersenne Twister dice gen. with seed 885366813 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 20 more moves within equity 0.44
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
6 R 15/9 12/7 +0.070 ( -0.029)
53.5 42.3 14.4- 46.5 8.1 0.7 +0.070 +0.070
0.3 0.7 0.9- 0.3 0.6 0.2 0.006 0.006
Full cubeful rollout with var.redn.
848 games, Mersenne Twister dice gen. with seed 885366813 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 20 more moves within equity 0.44
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

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