Stop lmr reduction from overflowing

sroelants / simbelmyne

A somewhat UCI compliant chess engine that could probably beat you.

GNU General Public License v3.0

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Stop lmr reduction from overflowing #241

Closed sroelants closed 4 months ago

sroelants commented 4 months ago

Not expecting this to affect much, but will at least do a regression test, I suppose?

Looks like maybe 5 elo?

Elo   | 5.09 +- 5.60 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=16MB
LLR   | 2.94 (-2.94, 2.94) [-5.00, 0.00]
Games | N: 7298 W: 2245 L: 2138 D: 2915
Penta | [234, 802, 1482, 885, 246]
https://chess.samroelants.com/test/39/

bench 4956902