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v2.00
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@Sazgr Sazgr released this 04 Oct 11:51
· 148 commits to main since this release
v2.00
0bccff2

This release consists mainly of the addition of NNUE. Peacekeeper now uses a 768->256x2->1 neural net with CReLU as the activation function, trained on 197M selfplay positions generated from previous nets and the original HCE. Singular extensions have also been added, with a variety of add-ons.

In standard chess, this release is 220 elo stronger in selfplay, and 177 elo stronger in a gauntlet against other opponents of similar strength.

ELO   | 219.87 +- 23.21 (95%)
CONF  | 5.0+0.05s Threads=1 Hash=8MB
GAMES | N: 1000 W: 691 L: 131 D: 178

In DFRC, this release is 512 elo stronger in selfplay.

ELO   | 511.50 +- 52.03 (95%)
CONF  | 5.0+0.05s Threads=1 Hash=8MB
GAMES | N: 1000 W: 936 L: 36 D: 28

Based on the strength gains, v2.00 should have a blitz elo of about 3280, LTC elo of about 3180, and FRC elo of about 3390 (on CCRL scales).

A note on executables: Different executables for windows have been compiled for different instruction sets. AVX512 is the fastest, followed by AVX2, and POPCNT. Pick the fastest one that doesn't crash on your computer.

Assets 5