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Caissa v1.8
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@Witek902 Witek902 released this 25 Apr 18:05
· 310 commits to master since this release
1.8
e21812e
  • Refactor training data loading in neural net trainer
  • Experiment with Adam optimizer, different activation functions (both experiments failed)
  • New neural net and piece-square tables trained on 1.2B positions
    • Switch back to 1536 accumulator size
    • Increase last layer bucket count from 4 to 8
    • Two training sessions, 48 hours in total
  • Fix 'hashfull' reporting zero
  • Minor search tweaks

TC=60+0.6

Score of Caissa 1.8 vs Caissa 1.7: 512 - 360 - 673  [0.549] 1545
...      Caissa 1.8 playing White: 410 - 60 - 303  [0.726] 773
...      Caissa 1.8 playing Black: 102 - 300 - 370  [0.372] 772
...      White vs Black: 710 - 162 - 673  [0.677] 1545
Elo difference: 34.3 +/- 13.0, LOS: 100.0 %, DrawRatio: 43.6 %
SPRT: llr 2.95 (100.1%), lbound -2.94, ubound 2.94 - H1 was accepted

Full Changelog: 1.7...1.8

Assets 3
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