Chess Engines Diary

  QuintBot is a chess engine developed in C++ and inspired by the video Coding Adventure by Sebastian Lague. Rating CEDR= No tests yet v.1.2.0: Features Implemented fail-hard TT lookups Two-fold repetitions count as draws Disabled clearing TTs Implemented null move pruning Implemented UCI options Added and tuned new eval components Bug fixes Fixed illegal move bug Store null moves correctly in TT Formatting Added Makefile Removed unnecessary pointers Split header files Replaced c-arrays with std::arrays Individual statistics: QuintBot 1.0.0 - 142 games (+  8,=  3,-131),  6.7 % (Windows) Critter 1.6a                  :   2 (+  0,=  0,-  2),  0.0 % Baron 3.44.1                  :   1 (+  0,=  0,-  1),  0.0 % Dimitri 5.2.3                 :   1 (+  0,=  0,-...

QuintBot is a chess engine developed in C++ and inspired by the video Coding Adventure by Sebastian Lague. Rating CEDR=1945 v.1.2.0: Features Implemented fail-hard TT lookups Two-fold repetitions count as draws Disabled clearing TTs Implemented null move pruning Implemented UCI options Added and tuned new eval components Bug fixes Fixed illegal move bug Store null moves correctly in TT Formatting Added Makefile Removed unnecessary pointers Split header files Replaced c-arrays with std::arrays Individual statistics: QuintBot 1.0.0 - 142 games (+  8,=  3,-131),  6.7 % Critter 1.6a                  :   2 (+  0,=  0,-  2),  0.0 % Baron 3.44.1                  :   1 (+  0,=  0,-  1),  0.0 % Dimitri 5.2.3                 :   1 (+  0,=  0,-  1),  0.0 % Asymp...

QuintBot is a chess engine developed in C++ and inspired by the video Coding Adventure by Sebastian Lague. Rating CEDR=1951 v.1.1.0: Features Returned manual move overhead Much lower TT entry size Compatibility with other (all?) compilers through removing intrinsic functions Improved move ordering Bug fixes Don't abort search when a quicker mate might be available Fixed king safety evaluation bugs Fixed TT 50-move-rule bug resulting in illegal moves Related features/bug fixes Major QuintTest improvements LOS Pool infrastructure Automatic task size Better output format Tuning engines with parameters (incomplete) Better error handling Refactoring Evaluation: piece values   QuintBot 1.1.0 download

QuintBot is a chess engine developed in C++ and inspired by the video Coding Adventure by Sebastian Lague.   QuintBot 1.0.0 download