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Rollout GNUbg 0-ply 50K trials for the 8/5 plays

Posted By: leobueno
Date: Friday, 13 May 2011, at 9:39 a.m.

In Response To: Rollout GNUbg 0-ply (leobueno)

In case the poor showing by 8/5 6/1 (top play in Neil's rollout) was due to the relatively low number of trials in the original rollout, I ran all three 8/5 plays to 50,000 trials. Note 8/5 61 still did poorly.

I am wondering whether this is a good example of why 0-ply rollouts may not be realiable in complex positions.

Later this weekend I will try rolling the three 8/5 plays and possible one or two more at 2-ply. Won't be as many trials though, else we will be retired by the time the rollout is done.

The score (after 0 games) is: GNUbg 0, You 1 (match to 7 points)

Move number 6: You to play 53

GNUbg235


'1X '1X1X1X ' ' ' ' '2O

1O2X2X2X3O2O3X3O2X2O2O '

You120

Position ID: UgGYYxvh5mwGAA Match ID: QYnuAAAACAAE

• You moves 13/10 13/8

Alert: very bad move ( -0.222)

# Ply Move Equity
1 R 11/6 8/5 -0.152
0.4590.3280.050-0.5410.0890.009 +0.137 -0.152
0.0010.0010.001-0.0010.0010.000 0.003 0.004
Full cubeful rollout with var.redn.
50000 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
2 R 10/5 8/5 -0.175 ( -0.023)
0.4580.3210.048-0.5420.0930.010 +0.125 -0.175
0.0010.0010.001-0.0010.0000.000 0.003 0.004
Full cubeful rollout with var.redn.
50000 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
3 R 13/10 11/6 -0.181 ( -0.029)
0.4530.3230.049-0.5470.0930.010 +0.115 -0.181
0.0010.0010.001-0.0010.0010.000 0.003 0.005
Full cubeful rollout with var.redn.
39932 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
4 R 11/8 10/5 -0.195 ( -0.043)
0.4520.3240.049-0.5480.0980.011 +0.110 -0.195
0.0010.0010.001-0.0010.0010.000 0.004 0.006
Full cubeful rollout with var.redn.
22530 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
5 R 13/5 -0.208 ( -0.056)
0.4490.3170.049-0.5510.0960.009 +0.095 -0.208
0.0020.0020.001-0.0020.0010.001 0.006 0.009
Full cubeful rollout with var.redn.
10765 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
6 R 11/8 11/6 -0.290 ( -0.138)
0.4320.2970.038-0.5680.1000.010 +0.029 -0.290
0.0050.0050.003-0.0050.0030.002 0.015 0.022
Full cubeful rollout with var.redn.
1132 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
7 R 13/8 11/8 -0.305 ( -0.152)
0.4320.3010.043-0.5680.1090.012 +0.025 -0.305
0.0050.0050.004-0.0050.0030.002 0.016 0.023
Full cubeful rollout with var.redn.
1354 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
8 R 8/5 6/1 -0.339 ( -0.187)
0.4270.2920.036-0.5730.1130.013 -0.003 -0.339
0.0010.0010.000-0.0010.0010.000 0.002 0.003
Full cubeful rollout with var.redn.
50000 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
• 9 R 13/10 13/8 -0.374 ( -0.222)
0.4170.2740.036-0.5830.1160.011 -0.043 -0.374
0.0070.0070.005-0.0070.0060.003 0.023 0.035
Full cubeful rollout with var.redn.
406 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
10 R 11/8 6/1 -0.468 ( -0.316)
0.4000.2670.034-0.6000.1230.021 -0.101 -0.468
0.0070.0070.005-0.0070.0060.005 0.022 0.033
Full cubeful rollout with var.redn.
362 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]
11 R 13/10 6/1 -0.510 ( -0.357)
0.3950.2710.036-0.6050.1360.021 -0.134 -0.510
0.0080.0100.008-0.0080.0070.005 0.028 0.043
Full cubeful rollout with var.redn.
362 games, Mersenne Twister dice gen. with seed 887527231 and quasi-random dice
Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
Play: 0-ply cubeful [expert]
Cube: 0-ply cubeful [expert]

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