justNo4b / Equisetum

Drofa chess engine with NNUE evaluation
GNU General Public License v3.0
19 stars 2 forks source link

check legality of the move before updating accumulator #9

Closed justNo4b closed 10 months ago

justNo4b commented 10 months ago

This seems to provide about ~7% speedup, with no additional changes About 7-8 elo at 5+0.05 (pohl book) Score of Equisetum_dev vs Equisetum_2712: 3258 - 3002 - 4780 [0.512] 11040 ... Equisetum_dev playing White: 2763 - 429 - 2328 [0.711] 5520 ... Equisetum_dev playing Black: 495 - 2573 - 2452 [0.312] 5520 ... White vs Black: 5336 - 924 - 4780 [0.700] 11040 Elo difference: 8.1 +/- 4.9, LOS: 99.9 %, DrawRatio: 43.3 %