jnlt3 / blackmarlin

WIP Chess Engine
GNU General Public License v3.0
95 stars 7 forks source link

Less LMR for move that increases threats #262

Closed jnlt3 closed 6 months ago

jnlt3 commented 6 months ago

Reduce LMR if the move results in more threats for the current side to move.

Passed STC:

Elo   | 5.95 +- 3.74 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=8MB
LLR   | 2.97 (-2.94, 2.94) [0.00, 4.00]
Games | N: 10390 W: 2609 L: 2431 D: 5350
Penta | [84, 1177, 2522, 1301, 111]

Passed LTC:

Elo   | 4.27 +- 2.90 (95%)
SPRT  | 40.0+0.40s Threads=1 Hash=64MB
LLR   | 2.98 (-2.94, 2.94) [0.00, 4.00]
Games | N: 13672 W: 3196 L: 3028 D: 7448
Penta | [42, 1449, 3676, 1637, 32]