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PlentyChess 2.0.0
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@Yoshie2000 Yoshie2000 released this 12 Jun 08:11
· 22 commits to main since this release
v2.0.0
f27c662
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Learn about vigilant mode.

Performance vs. PlentyChess 1.0.0

STC

Elo   | 61.20 +- 3.49 (95%)
Conf  | 8.0+0.08s Threads=1 Hash=16MB
Games | N: 20000 W: 6995 L: 3508 D: 9497
Penta | [40, 1356, 4318, 3649, 637]
https://chess.aronpetkovski.com/test/567/

LTC

Elo   | 49.14 +- 4.76 (95%)
Conf  | 40.0+0.40s Threads=1 Hash=64MB
Games | N: 10000 W: 3144 L: 1739 D: 5117
Penta | [2, 744, 2253, 1849, 152]
https://chess.aronpetkovski.com/test/568/

Improvements

This version includes the following improvements compared to version 1.0.0:

  • Multithreading improvements due to thread voting
  • Much stronger NNUE architecture featuring king buckets
  • Many small improvements to the search algorithm and move selection
  • UCI "Ponder" option
  • Various bugfixes, including ones that were affecting strength

Binary guide

  • generic: Slowest
  • avx2: Faster, compatible with most modern CPUs
  • bmi2: Faster, includes avx2, not recommended for Zen1/2 CPUs
  • avx512: Fastest, includes bmi2

A big thank you to the members of my new OpenBench testing instance for our great collaboration.

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