Testing stockfish chess Patch#

Simplify the use of classical evaluation when using default settings to only be dependent on piece count and decisive PSQ Simplify both position calls in useClassical To reduce less in the search tree the moves which escape a capture.

Testing stockfish chess Patch#

This patch reuses the threatenedPieces variable (which is calculated in movepicker) Windows 圆4 for Haswell CPUs Windows 圆4 for modern computers + AVX2 Windows 圆4 for modern computers Windows 圆4 + SSSE3 Windows 圆4 Linux 圆4 for Haswell CPUs Linux 圆4 for modern computers + AVX2 Linux 圆4 for modern computers Linux 圆4 + SSSE3 Linux 圆4 In this form the patch reduces mate finding effectiveness, as the large alpha value has negative influence on the reductions. Revert 'Mix alpha and statScore for reduction' !! latest version !! Windows 圆4 for Haswell CPUs Windows 圆4 for modern computers + AVX2 Windows 圆4 for modern computers Windows 圆4 + SSSE3 Windows 圆4 Linux 圆4 for Haswell CPUs Linux 圆4 for modern computers + AVX2 Linux 圆4 for modern computers Linux 圆4 + SSSE3 Linux 圆4

They are compiled with gcc 11.2/mingw 10 on Ubuntu 22.04. Stockfish Development Versions are build automatically if there are changes on the master branch in the git repository ().