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Laser 1.5

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@jeffreyan11 jeffreyan11 released this 27 Dec 06:23
· 150 commits to master since this release

Roughly 3110 ELO (CCRL 40/4)
Regressions vs. 1.4:
+84 in 8000 games at 3+0.02
+97 in 4000 games at 15+0.05

Major changes from 1.4:

  • Multiple bugfixes
  • Low depth pruning changes
  • Evaluation tuning
  • Implement pondering
    • This is a preliminary release of pondering, which may not work with GUIs other than Cutechess. Pondering support will continue to improve in future versions.

Three binaries are provided:

  • Laser-1_5-BMI2 for Haswell or later processors with BMI2 instruction support
  • Laser-1_5 for 64-bit machines with POPCOUNT instruction support
  • Laser-1_5-NOPOPCNT for 64-bit machines without POPCOUNT