Marcel Nijman

Games

Chess

Tjes for MS-DOS

Games Database

PGN Viewer

How to include a chess diagram in HTML

Draughts

A Course in Draughts

Puzzles

Sudoku

Various

Dice

Math

Geogebra

Gnuplot for iOS

Language

Esperanto

Word Frequency List

Jokes

Bookbox

toki pona

Vocabulary list

Various

Happy Birthday!

Olympics 2024