ShashChess - UCI chess engine. Rating CEDR=3718 (01.05.2023) ShashChess is a free UCI chess engine derived from Stockfish family chess engines. v.ShashChessGZ: Stockfish patch Simplify stats assignment for Pv nodes This version is a release to demonstrate the superiority of ShashChess vs Stockfish thanks to a LTC (25+10) match on a 200 games suite on all common positional opening characteristics (thanks to italian expert Afro Ambanelli) a test suite on 258 hard positions See the results on the wiki Individual statistics: ShashChess 28 - 504 games (+133,=365,- 6), 62.6 % Critter 1.6a : 6 (+ 5,= 1,- 0), 91.7 % Komodo 13.02 : 2 (+ 2,= 0,- 0), 100.0 % RofChade 3.0 : 8 (+ 3,= 5,- 0), 68.8 % SlowChess 2.9 : 8 (+ 2,= 6,- 0), 62.5 % Fisherov chess monk 1.2 : 22 (+ 1,= 19,- 2), 47.7 % Demolito 2021-10-21 : 2 (+ 2,= 0,- 0), 100.0 % Revenge 3.0 : 14 (+ 2,= 12,-