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sovaz1997
- Posts: 98
- Joined: Sun Nov 13, 2016 9:37 am
Post
by sovaz1997 » Mon Mar 12, 2018 1:14 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
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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
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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
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Graham Banks
- Posts: 30733
- Joined: Sun Feb 26, 2006 9:52 am
- Location: Auckland, NZ
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by Graham Banks » Mon Mar 12, 2018 8:04 pm
Nice improvement Oleg.
Division 8 starts later this week.
My email addresses:
gbanksnz at gmail.com
gbanksnz at yahoo.co.nz
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CMCanavessi
- Posts: 572
- Joined: Thu Dec 28, 2017 3:06 pm
- Location: Argentina
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by CMCanavessi » Mon Mar 12, 2018 8:39 pm
Nice, you'll need every single bit of elo if Zebra wants to survive next season, there will be 16 2500+ new entrants

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sovaz1997
- Posts: 98
- Joined: Sun Nov 13, 2016 9:37 am
Post
by sovaz1997 » Sat Jun 23, 2018 9:46 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
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Kotlov
- Posts: 175
- Joined: Fri Jul 10, 2015 7:23 pm
- Location: Russia
Post
by Kotlov » Sat Jun 23, 2018 9:57 am
sovaz1997 wrote: ↑Sat Jun 23, 2018 9:46 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!
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Graham Banks
- Posts: 30733
- Joined: Sun Feb 26, 2006 9:52 am
- Location: Auckland, NZ
Post
by Graham Banks » Sat Jun 23, 2018 8:57 pm
sovaz1997 wrote: ↑Sat Jun 23, 2018 9:46 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.

My email addresses:
gbanksnz at gmail.com
gbanksnz at yahoo.co.nz