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Integral v2

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@aronpetko aronpetko released this 07 Jun 21:31
· 391 commits to main since this release
v2
495ee23

Focused on improving the evaluation by adding several evaluation terms and tuning. Time management has been reworked as well.

Estimated Elo Rating

+207 elo at STC over Integral v1

Score of ./integral.exe vs ./integral_x86_64_bmi2.exe: 157 - 26 - 62  [0.767] 245
...      ./integral.exe playing White: 84 - 10 - 29  [0.801] 123
...      ./integral.exe playing Black: 73 - 16 - 33  [0.734] 122
...      White vs Black: 100 - 83 - 62  [0.535] 245
Elo difference: 207.3 +/- 41.7, LOS: 100.0 %, DrawRatio: 25.3 %
SPRT: llr 2.95 (100.1%), lbound -2.94, ubound 2.94 - H1 was accepted

Credits

  • Everyone in the Stockfish Discord who were extremely helpful and kind
  • Andrew Grant's paper on Texel Tuning and Weiss' implementation of it
  • Alexandria for the time management scaling factors
Assets 8
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