The original Apple II Trek program ported from Integer BASIC to FreeBASIC. It should run on any Windows platform.

JChess is a tiny java applet which allos you to play chess with a friend over a network connection. All that is required is two computers with java and connected by a TCP/IP network (this is most computers) and you are away.

Excel spreadsheet which performs an Elo and Glicko-1 calculation side by side. Useful for doing calculations in either system or for comparing the two.

Performs a Glicko-2 calculation. This involves a root-finding procedure and so the Macro Security level should be set to Low to enable unsigned macros.