Berserk - UCI chess engine ( written in C).
Author: Jay Honnold Rating CEDR=3181 (8 place)
v.8
Another release with an improved NNUE evaluation and small search patches (same as last time).
The newest network was trained using a custom trainer on 1.2B FENs from Berserk 6 self play games. Most of the improvements for this release come from tweaks in the trainer and not a largely improve architecture or better data.
Changes
NN Trainer improvements
Tuned hyper parameters
Tuned Eval vs WDL weighting from training data
L1 Penalty
LMR Tweaks
Cut Node reduction added to captures/promotions in LMR
Simplified out useless reductions
RFP Tweaks
RFP Margin Adjusted
NMP Tweaks
Margin adjusted via improving flag
Raw null search score returned
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