Forum Archive :
Match Equities
GNUBG 7pt Match Equity Table
Method: Full rollouts of initial position, 6480 trials x 2 (or less
when SE are low enough). Settings: 0-ply checker play, 2-ply 25%
(100% for Post-Crawford) cube.
Note: 95% confidence intervals mostly around or below 0.100% MWC, the
extra digits in the MET are for calculation purposes and to preserve
as much accuracy as possible when extending the table.
The scores are to be read as "n points-to-go", more commonly known as
"n-away"
(Pre-)Crawford % MWC
1-away 2-away 3-away 4-away 5-away 6-away 7-away
------ ------ ------ ------ ------ ------ ------
1 50.000 68.145 75.077 81.768 84.451 89.025 90.898
2 31.855 50.000 59.964 67.184 74.524 80.195 84.430
3 24.923 40.036 50.000 57.373 65.026 71.424 76.514
4 18.232 32.816 42.627 50.000 57.745 64.533 70.186
5 15.549 25.476 34.974 42.255 50.000 56.828 62.867
6 10.975 19.805 28.576 35.447 43.172 50.000 56.315
7 9.102 15.570 23.486 29.814 37.133 43.685 50.000
Post-Crawford % MWC Trailer
1-away 2-away 3-away 4-away 5-away 6-away
------ ------ ------ ------ ------ ------
1 50.000 48.811 31.770 30.588 18.538 17.763
This MET is somewhat close to (especially) the Jacobs MET, but there's
also some notable differences. You can use "Menu: Analyse -> Match
Equity Table" to see the MET your gnubg is using, and click "Load
table..." to select different ones (*.xml files).
Zorba
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Robert-Jan Veldhuizen writes:
[April 2004]
Method: Full rollouts, 0-ply checker play, 2-ply 25% cube, 2160 trials or
more twice per score, SE's <0.06% MWC with a couple of exceptions.
11 point MET generated using GNUBG full rollouts by Zorba
(Pre-)Crawford
1-away 2-away 3-away 4-away 5-away 6-away 7-away 8-away 9-away 10away 11away
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
1 .50000 .68145 .75077 .81768 .84451 .89025 .90898 .93560 .94591 .96147 .96784
2 .31855 .50000 .59964 .67184 .74524 .80195 .84430 .87749 .90373 .92537 .94122
3 .24923 .40036 .50000 .57373 .65026 .71424 .76514 .80908 .84335 .87438 .89731
4 .18232 .32816 .42627 .50000 .57745 .64553 .70186 .74855 .79129 .82755 .85733
5 .15549 .25476 .34974 .42255 .50000 .56828 .62867 .68040 .72739 .76917 .80443
6 .10975 .19805 .28576 .35447 .43172 .50000 .56315 .61776 .66954 .71561 .75629
7 .09102 .15570 .23486 .29814 .37133 .43685 .50000 .55605 .60994 .65847 .70268
8 .06440 .12251 .19092 .25145 .31960 .38224 .44395 .50000 .55493 .60525 .65171
9 .05409 .09627 .15665 .20871 .27261 .33046 .39006 .44507 .50000 .55048 .59896
10 .03853 .07463 .12562 .17245 .23083 .28439 .34153 .39475 .44952 .50000 .54949
11 .03216 .05878 .10269 .14267 .19557 .24371 .29732 .34829 .40104 .45051 .50000
Post-Crawford
1-away 2-away 3-away 4-away 5-away 6-away 7-away 8-away 9-away 10away 11away
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
.50000 .48811 .31770 .30588 .18538 .17763 .11064 .10574 .06667 .06277 .03988
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Match Equities
- Constructing a match equity table (Walter Trice, Apr 2000)
- Does it matter which match equity table you use? (Klaus Evers+, Nov 2005)
- Does it matter which match equity table you use? (Achim Mueller+, Dec 2003)
- Does it matter which match equity table you use? (Chuck Bower+, Sept 2001)
- ME Table: Big Brother (Peter Fankhauser, July 1996)
- ME Table: Dunstan (Ian Dunstan+, Aug 2004)
- ME Table: Escoffery (David Escoffery, Nov 1991)
- ME Table: Friedman (Elliott C Winslow, Oct 1991)
- ME Table: Kazaross (Neil Kazaross, Dec 2003)
- ME Table: Kazaross-XG2 (neilkaz, Aug 2011)
- ME Table: Rockwell-Kazaross (Chuck Bower+, June 2010)
- ME Table: Snowie (Chase, Apr 2002)
- ME Table: Snowie (Harald Retter, Aug 1998)
- ME Table: Woolsey (Raccoon, Apr 2006)
- ME Table: Woolsey (Kit Woolsey, May 1994)
- ME Table: Woolsey (William R. Tallmadge, Jan 1994)
- ME Table: Zadeh (Jørn Thyssen, Mar 2004)
- ME Table: Zorba (Robert-Jan Veldhuizen+, Dec 2003)
- ME at 1-away/2-away (crawford) (Fabrice Liardet+, Nov 2007)
- ME at 1-away/2-away (crawford) (Ian Shaw+, Apr 2003)
- Match equities--an alternate view (Durf Freund, Oct 1994)
- Neil's new numbers (neilkaz, Aug 2011)
- Neil's numbers (Kit Woolsey+, Oct 1994)
- On calculating match equity tables (Neil Kazaross, July 2004)
- Turner formula (Gregg Cattanach, Feb 2003)
- Turner formula (Stephen Turner, June 1994)
- Using a match equity table (Michael J. Zehr, June 1992)
- Value of free drop (Neil Kazaross, Oct 2002)
- Which match equity table is best? (Martin Krainer+, Oct 2003)
- Which match equity table is best? (Ian Shaw+, Dec 2001)
- Why use a match equity table? (Kit Woolsey, Feb 1999)
- Worth memorizing? (Alef Rosenbaum+, Feb 2003)
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