Checksum programs

University of Queensland library number checksum calculator. C version; Python version
University of Queensland student number checksum calculator. C version;Python version
My first π program. Turbo Pascal version; PC compiled version; C version

Latin square and critical set programs

Find large critical sets
find trades in 3xn Latin rectangles

Gurobi and C Source code for project in the paper: "The size of the smallest uniquely completable set in order 8 Latin squares"
6x6 Latin square main classes for program
7x7 Latin square main classes for program
8x8 Latin square main classes for program

Chess

Count chess positions at small depths (The first program to calculate perft(10) and number of mates at plies 7 and 8.)