crunched 32 backgame ROLLOUTS

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crunched 32 backgame ROLLOUTS

Posted By: Petter Bengtsson
Date: Sunday, 16 August 2009, at 9:51 p.m.

In Response To: crunched 32 backgame (Petter Bengtsson)

I always have trouble finding the best play in positions like this one. Should I keep the prime or make a trap play, and which trap play? I got this one right :-)
Neil had a very good point why breaking the bar-point is the best idea. If you haven't read what he wrote, please do so.
Three rollouts here; the posted position and two variants with minor changes to White's home board.

The score is: gnubg 0, petter 0 (match to 5 points)
petter to play 62

gnubg 171

petter 100
Position ID: rwMA4Bu42zYEAA Match ID: QQmrAAAAAAAA

• petter moves 13/11 7/1

# Ply Move Equity

• 1 R 13/11 7/1 +1,6477

0,9367 0,5957 0,0346 - 0,0633 0,0014 0,0000 +1,6773 +1,6477

0,0018 0,0029 0,0016 - 0,0018 0,0003 0,0000 0,0056 0,0065

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866708922 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 7/5 7/1 +1,6178 ( -0,0299)

0,9265 0,5916 0,0382 - 0,0735 0,0009 0,0001 +1,6556 +1,6178

0,0018 0,0028 0,0016 - 0,0018 0,0004 0,0001 0,0055 0,0065

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866708922 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 R 13/5 +1,5982 ( -0,0495)

0,9274 0,5760 0,0356 - 0,0726 0,0011 0,0001 +1,6348 +1,5982

0,0018 0,0028 0,0014 - 0,0018 0,0006 0,0001 0,0054 0,0065

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866708922 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]

4 R 13/7 8/6 +1,5671 ( -0,0806)

0,9216 0,5652 0,0350 - 0,0784 0,0014 0,0000 +1,6086 +1,5671

0,0017 0,0028 0,0015 - 0,0017 0,0003 0,0001 0,0053 0,0062

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866708922 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]

5 R 8/6 7/1 +1,4953 ( -0,1524)

0,9099 0,5338 0,0336 - 0,0901 0,0054 0,0001 +1,5374 +1,4953

0,0020 0,0030 0,0015 - 0,0020 0,0005 0,0000 0,0062 0,0071

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866708922 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]

The score is: gnubg 0, petter 0 (match to 5 points)
petter to play 62

gnubg 172

petter 100
Position ID: twMA4Bu42zYEAA Match ID: QQmrAAAAAAAA

• petter moves 13/11 7/1

# Ply Move Equity

• 1 R 13/11 7/1 +1,5489

0,9213 0,5572 0,0288 - 0,0787 0,0028 0,0000 +1,5894 +1,5489

0,0018 0,0027 0,0012 - 0,0018 0,0004 0,0000 0,0052 0,0062

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866917274 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 7/5 7/1 +1,5458 ( -0,0031)

0,9165 0,5633 0,0302 - 0,0835 0,0019 0,0000 +1,5899 +1,5458

0,0019 0,0029 0,0012 - 0,0019 0,0004 0,0017 0,0055 0,0065

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866917274 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 R 13/5 +1,5122 ( -0,0367)

0,9113 0,5491 0,0282 - 0,0887 0,0014 0,0000 +1,5588 +1,5122

0,0019 0,0028 0,0012 - 0,0019 0,0004 0,0023 0,0053 0,0062

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866917274 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]

4 R 13/7 8/6 +1,4712 ( -0,0777)

0,9107 0,5232 0,0231 - 0,0893 0,0021 0,0001 +1,5179 +1,4712

0,0017 0,0026 0,0011 - 0,0017 0,0003 0,0000 0,0049 0,0058

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866917274 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]

The score is: gnubg 0, petter 0 (match to 5 points)
petter to play 62

gnubg 170

petter 100
Position ID: bwMA4Bu42zYEAA Match ID: QQmrAAAAAAAA

• petter moves 13/11 7/1

# Ply Move Equity

• 1 R 13/11 7/1 +1,6163

0,9366 0,5763 0,0321 - 0,0634 0,0017 0,0000 +1,6481 +1,6163

0,0017 0,0030 0,0016 - 0,0017 0,0004 0,0000 0,0056 0,0063

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866992395 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 7/5 7/1 +1,6105 ( -0,0058)

0,9316 0,5806 0,0330 - 0,0684 0,0013 0,0001 +1,6455 +1,6105

0,0017 0,0028 0,0013 - 0,0017 0,0017 0,0001 0,0053 0,0061

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866992395 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 R 13/5 +1,5917 ( -0,0246)

0,9314 0,5638 0,0334 - 0,0686 0,0010 0,0000 +1,6249 +1,5917

0,0018 0,0029 0,0013 - 0,0018 0,0005 0,0000 0,0056 0,0065

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866992395 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]

4 R 13/7 8/6 +1,5356 ( -0,0807)

0,9254 0,5396 0,0266 - 0,0746 0,0016 0,0000 +1,5739 +1,5356

0,0017 0,0027 0,0013 - 0,0017 0,0005 0,0000 0,0051 0,0061

Full cubeful rollout with var.redn.

1296 games, Mersenne Twister dice gen. with seed 866992395 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]

gnubg	171

petter	100
Position ID: `rwMA4Bu42zYEAA` Match ID: `QQmrAAAAAAAA`

gnubg	172

petter	100
Position ID: `twMA4Bu42zYEAA` Match ID: `QQmrAAAAAAAA`

gnubg	170

petter	100
Position ID: `bwMA4Bu42zYEAA` Match ID: `QQmrAAAAAAAA`

Messages In This Thread

crunched 32 backgame
Petter Bengtsson -- Friday, 14 August 2009, at 3:35 p.m.
- crunched 32 backgame
  Rich Munitz -- Friday, 14 August 2009, at 3:43 p.m.
- crunched 32 backgame
  Chuck Bower -- Friday, 14 August 2009, at 3:48 p.m.
- crunched 32 backgame
  Keene -- Friday, 14 August 2009, at 4:34 p.m.
- crunched 32 backgame
  Matt Cohn-Geier -- Friday, 14 August 2009, at 4:37 p.m.
- crunched 32 backgame
  Fabrice Liardet -- Friday, 14 August 2009, at 4:49 p.m.
- crunched 32 backgame
  neilkaz -- Friday, 14 August 2009, at 10:10 p.m.
- crunched 32 backgame ROLLOUTS
  Petter Bengtsson -- Sunday, 16 August 2009, at 9:51 p.m.

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