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2nd roll notes at GG

Posted By: David Rockwell
Date: Monday, 21 December 2009, at 10:41 p.m.

In Response To: 2nd roll notes at GG (neilkaz)

You got fourth place, albeit only .0072 back.

Second best is 62H (Hit 13-11, 8-2*)

In third place is R (Run 24-16) behind the leader by .0046.

Even at GG, it is often best to avoid leaving a checker on the bar under the four stack on the eight point. S allows opener too much on hitting aces and other moves such as 31P when the spare remains to threaten responder next turn. This concept is discussed in the book of course.

At 5k, these could certainly reverse when extended. I expect $ will remain on top. H just looks dumb with the near worthless 13-11 development combined with the anti-thematic tempo hit when the opener can't do much of anything on non-doublets anyway. R doesn't address the score. And, S is a problem as discussed above. $ looks like the lesser of evils.

The score (after 0 games) is: gnubg 2, Readers 1 (match to 3 points, Crawford game)

Move number 2: Readers to play 26

gnubg161


2O ' ' ' '5X '4X ' ' '5O

1X1X ' ' '5O '3O ' ' '4X

Readers167

Position ID: 4PPgASjgc/ABMA Match ID: 8Al5ACAACAAA

Messages In This Thread

 

# Ply Move Equity
1 R 13/5 +0.1765
0.46050.12780.0158-0.53950.25520.0533 +0.1765 +0.1765
0.00120.00100.0012-0.00120.00350.0022 0.0032 0.0032
Full cubeful rollout with var.redn.
5184 games, Mersenne Twister dice gen. with seed 811585332 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 13/11 8/2* +0.1762 ( -0.0003)
0.46160.12650.0167-0.53840.26300.0654 +0.1762 +0.1762
0.00160.00110.0013-0.00160.00370.0026 0.0042 0.0042
Full cubeful rollout with var.redn.
5184 games, Mersenne Twister dice gen. with seed 811585332 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]
3 R 24/16 +0.1719 ( -0.0046)
0.47950.10650.0129-0.52050.21880.0346 +0.1719 +0.1719
0.00120.00090.0011-0.00120.00330.0019 0.0030 0.0030
Full cubeful rollout with var.redn.
5184 games, Mersenne Twister dice gen. with seed 811585332 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]
4 R 24/18 13/11 +0.1693 ( -0.0072)
0.47570.10900.0133-0.52430.23240.0372 +0.1693 +0.1693
0.00110.00100.0011-0.00110.00340.0019 0.0030 0.0030
Full cubeful rollout with var.redn.
5184 games, Mersenne Twister dice gen. with seed 811585332 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]
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