Mochy's backgammon study: bearoff

ラベル bearoff の投稿を表示しています。すべての投稿を表示

2011/02/13

I never understand this

I never understand what is the best play and why. Any ideas?

is Player 2

score: 0
pip: 34

Money session
Jacoby Beaver

pip: 134
score: 0

is Player 1

XGID=--BBBBC------------c-BcBg-:1:1:1:32:0:0:3:0:10

to play 32

Rollout¹

21/16

eq: -0.683

Player:
Opponent:

33.66% (G:0.00% B:0.00%)
66.34% (G:47.82% B:0.37%)

Conf: ± 0.008 (-0.691...-0.675)
Duration: 58.8 seconds

Rollout¹

23/20 6/4

eq: -0.741 (-0.059)

Player:
Opponent:

33.61% (G:0.00% B:0.00%)
66.39% (G:53.07% B:0.21%)

Conf: ± 0.007 (-0.748...-0.734)
Duration: 53.0 seconds

XG Roller+

21/18 6/4

eq: -0.728 (-0.046)

Player:
Opponent:

32.18% (G:0.00% B:0.00%)
67.82% (G:48.81% B:0.62%)

¹ Truncated at 11 moves using 3 ply.
655 Games rolled with Variance Reduction.
Dice Seed: 44
Moves and cube decisions: 3 ply

eXtreme Gammon Version: 1.21

2010/12/18

It doesn't matter

is Player 2

score: 0
pip: 7

1 point match

pip: 17
score: 0

is Player 1

XGID=--AAC------------------bc-:0:0:1:51:0:0:0:1:10

to play 51

XG Roller+

4/0ff 2/1

eq: -0.157

Player:
Opponent:

42.14% (G:0.00% B:0.00%)
57.86% (G:0.00% B:0.00%)

XG Roller+

4/3 4/0ff

eq: -0.234 (-0.077)

Player:
Opponent:

38.29% (G:0.00% B:0.00%)
61.71% (G:0.00% B:0.00%)

eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross

I was in auto pilot and my plane was fired down!

2010/09/19

Simple bear off

is akaisuisei

score: 2
pip: 26

11 point match

pip: 36
score: 9

is mochy

XGID=----BBC------------ac-aa--:1:1:1:52:9:2:0:11:10

to play 52

Rollout¹

6/4 5/0ff

eq: -0.503

Player:
Opponent:

24.87% (G:0.00% B:0.00%)
75.13% (G:0.00% B:0.00%)

Conf: ± 0.000 (-0.503...-0.503)
Duration: 0.4 second

* 2.

Rollout¹

5/0ff 4/2

eq: -0.525 (-0.022)

Player:
Opponent:

23.76% (G:0.00% B:0.00%)
76.24% (G:0.00% B:0.00%)

Conf: ± 0.000 (-0.525...-0.525)
Duration: 0.4 second

¹ Truncated at 11 moves using 4 ply.
2592 Games rolled with Variance Reduction.
Dice Seed: 1341
Moves and cube decisions: 3 ply

eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross

After 11 years of professional career, I still do not know how to play simple bear off. What a fish.
Black has a clear advantage and Yellow needs to roll something good. Yellow needs to prepare to roll something good. It is time to prepare for fours, not deuce.