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akimbo v0.4.0
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@jw1912 jw1912 released this 04 Jul 12:06
· 168 commits to main since this release
v0.4.0
89d5b81
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Learn about vigilant mode.

EDIT: Prefer the akimbo-x86_64-win-v1.exe binary for older CPUs, the other one was miscompiled.

akimbo became a member of this OpenBench Instance recently, thanks to all involved.

Lines of Code

SLOC: 852     (not counting blank lines and comments)
TLOC: 1039    (counting the above)

Changelog

  • Added History Gravity
  • Added Late Move Pruning
  • Added Aspiration Windows
  • Improving in RFP
  • Reduce Passed Pawns Less
  • Various Tweaks

Self-Play ELO

ELO   | 150.10 +- 12.36 (95%)
CONF  | 60.0+0.60s Threads=1 Hash=128MB
GAMES | N: 2000 W: 1019 L: 205 D: 776
https://chess.swehosting.se/test/2280/

Binaries

Follows the microarchitecture levels:

  • v1 is for compatibility with really old architectures
  • v2 is popcnt, sse, etc
  • v3 is for CPUs that are Haswell/Excavator or newer
  • v4 is for the most modern CPUs that support avx512

Please raise an issue if any of the binaries do not work as intended.

Full Changelog: https://github.com/JacquesRW/akimbo/commits/v0.4.0

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