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jhonnold / berserk

UCI Chess Engine written in C
GNU General Public License v3.0
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Introduce negative reductions when hash move is singular #424

Closed jhonnold closed 1 year ago

jhonnold commented 1 year ago

Bench: 4452548

This is a play on the idea of singular quiet lmr found in stockfish.

STC

ELO   | 2.13 +- 1.71 (95%)
SPRT  | 10.0+0.10s Threads=1 Hash=8MB
LLR   | 2.95 (-2.94, 2.94) [0.00, 3.00]
GAMES | N: 73080 W: 17185 L: 16738 D: 39157

LTC

ELO   | 3.01 +- 2.30 (95%)
SPRT  | 60.0+0.60s Threads=1 Hash=64MB
LLR   | 2.95 (-2.94, 2.94) [0.00, 3.00]
GAMES | N: 38208 W: 8520 L: 8189 D: 21499