Discussion of anything and everything relating to chess playing software and machines.
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sovaz1997
Posts: 261Joined: Sun Nov 13, 2016 10:37 am
Post by sovaz1997 Mon Mar 12, 2018 2:14 pm
New versions of Zevra (v1.8.4).
https://github.com/sovaz1997/Zevra/rele ... 1.8.4_r650
The elo gain is about 60 points in LTC. Changes in Multi-Cut and moves generator optimizations.
Code: Select all
tc=60+0.6 (LTC)
Hash=16
Score of Zevra v1.8.4 r650 vs Zevra v1.8.3 r636: 347 - 204 - 257 [0.588] 808
Elo difference: 62.14 +/- 19.94
---------------------------
tc=60+0.6 (LTC)
Hash=16
Score of Zevra v1.8.4 r650 vs Zevra v1.8.1 r594 popcnt: 704 - 268 - 394 [0.660] 1366
Elo difference: 114.91 +/- 16.01
---------------------------
tc=10+0.1 (STC)
Hash=16
Score of Zevra Zevra v1.8.4 r650 vs Zevra v1.8.1 r594 popcnt: 648 - 292 - 260 [0.648] 1200
Elo difference: 106.27 +/- 17.97
Graham Banks
Posts: 41415Joined: Sun Feb 26, 2006 10:52 amLocation: Auckland, NZ
Post by Graham Banks Mon Mar 12, 2018 9:04 pm
Nice improvement Oleg.
Division 8 starts later this week.
gbanksnz at gmail.com
sovaz1997
Posts: 261Joined: Sun Nov 13, 2016 10:37 am
Post by sovaz1997 Mon Mar 12, 2018 9:11 pm
Thanks!
CMCanavessi
Posts: 1142Joined: Thu Dec 28, 2017 4:06 pmLocation: Argentina
Post by CMCanavessi Mon Mar 12, 2018 9:39 pm
Nice, you'll need every single bit of elo if Zebra wants to survive next season, there will be 16 2500+ new entrants
sovaz1997
Posts: 261Joined: Sun Nov 13, 2016 10:37 am
Post by sovaz1997 Fri Apr 20, 2018 9:29 am
My lichess bot:
https://lichess.org/@/zevra_chess
All time controlls, rated/unrated, standard variation.
sovaz1997
Posts: 261Joined: Sun Nov 13, 2016 10:37 am
Post by sovaz1997 Sat Jun 23, 2018 11:46 am
New release of Zevra: Zevra v1.8.5. Improved recognition of three-fold repetition of the position, added estimates of mg-eg for pawns, minor changes in the search.
The gain is approximately 20-30 points in 60+0.6.
Code: Select all
tc=60m+0.6s
hash=64mb
Score of Zevra v1.8.5 r664 vs Zevra v1.8.4 r650: 638 - 521 - 459 [0.536] 1618
Elo difference: 25.17 +/- 14.34
Kotlov
Posts: 266Joined: Fri Jul 10, 2015 9:23 pmLocation: Russia
Post by Kotlov Sat Jun 23, 2018 11:57 am
sovaz1997 wrote: ↑ Sat Jun 23, 2018 11:46 am
New release of Zevra: Zevra v1.8.5. Improved recognition of three-fold repetition of the position, added estimates of mg-eg for pawns, minor changes in the search.
The gain is approximately 20-30 points in 60+0.6.
Code: Select all
tc=60m+0.6s
hash=64mb
Score of Zevra v1.8.5 r664 vs Zevra v1.8.4 r650: 638 - 521 - 459 [0.536] 1618
Elo difference: 25.17 +/- 14.34
Great!
Eugene Kotlov
Graham Banks
Posts: 41415Joined: Sun Feb 26, 2006 10:52 amLocation: Auckland, NZ
Post by Graham Banks Sat Jun 23, 2018 10:57 pm
sovaz1997 wrote: ↑ Sat Jun 23, 2018 11:46 am
New release of Zevra: Zevra v1.8.5. Improved recognition of three-fold repetition of the position, added estimates of mg-eg for pawns, minor changes in the search.
The gain is approximately 20-30 points in 60+0.6.
Code: Select all
tc=60m+0.6s
hash=64mb
Score of Zevra v1.8.5 r664 vs Zevra v1.8.4 r650: 638 - 521 - 459 [0.536] 1618
Elo difference: 25.17 +/- 14.34
Thanks.
gbanksnz at gmail.com
CMCanavessi
Posts: 1142Joined: Thu Dec 28, 2017 4:06 pmLocation: Argentina
Post by CMCanavessi Sat Sep 01, 2018 9:36 pm
Nice improvement !!!
