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Zevra v2.2 r317

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@sovaz1997 sovaz1997 released this 28 Aug 20:50
· 91 commits to master since this release

Hey! Today, 2 years later, I am releasing a new version of Zevra!

I again return to the development of my engine. At the moment, I am also developing my platform for distributed engine testing in parallel, which will be available later. This platform allowed me to automate the testing process.

Changes

  • Improvements in king safety;
  • Fix queen mobility eval;
  • Incremental eval for simple part: material and PSQ-tables;
  • Minor speed-up changes;
  • Fix with threads (gratidute to Rasmus Althoff, CT800 author.

Testing (Zevra v2.2 vs Zevra v2.1.2)

STC

tc=10+0.6 Threads=1 Hash=256
Games: 6000/6000 W: 2038 L: 1499 D: 2463
ELO: 31.30 +- 6.75 (95%) LOS: 100.00%

LTC

tc=60+0.6 Threads=1 Hash=256
Games: 3000/3000 W: 921 L: 634 D: 1445
ELO: 33.34 +- 8.94 (95%) LOS: 100.00%

The zip archive contains source code and builds for Windows and Linux.