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Caissa v1.11

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@Witek902 Witek902 released this 23 Jul 23:45
· 199 commits to master since this release

Changes

  • Improve performance in time controls without increment
  • Changed neural network architecture: introduced 5 king buckets. Trained on 2.3B positions.
  • Added StaticContempt and DynamicContempt UCI options
  • Fix eval saturation
  • Multiple optimizations (speedups)

Elo gain

TC=10+0, Book=UHO_MEGA_2022_+110_+149.pgn

Score of Caissa 1.11 AVX2 vs Caissa 1.10 AVX2: 253 - 97 - 237  [0.633] 587
Elo difference: 94.6 +/- 21.9, LOS: 100.0 %, DrawRatio: 40.4 %

TC=8+0.08, Book=DFRC.epd

Score of Caissa 1.11 AVX2 vs Caissa 1.10 AVX2: 194 - 88 - 328  [0.587] 610
Elo difference: 61.0 +/- 18.7, LOS: 100.0 %, DrawRatio: 53.8 %

TC=8+0.08, Book=8moves_v3.epd

Score of Caissa 1.11 AVX2 vs Caissa 1.10 AVX2: 66 - 28 - 217  [0.561] 311
Elo difference: 42.7 +/- 21.0, LOS: 100.0 %, DrawRatio: 69.8 %

TC=8+0.08, Book=UHO_MEGA_2022_+110_+149.pgn

Score of Caissa 1.11 AVX2 vs Caissa 1.10 AVX2: 392 - 249 - 610  [0.557] 1251
Elo difference: 39.9 +/- 13.8, LOS: 100.0 %, DrawRatio: 48.8 %