Marcel Nijman
Games
Chess
Games Database
PGN Viewer
How to include a chess diagram in HTML
Draughts
A Course in Draughts
Various
Dice
Puzzles
Sudoku
Math
Geogebra
Language
Esperanto
Word Frequency List
toki pona
Vocabulary list
Various
Happy Birthday!
Olympics 2024
marcel @ marcelnijman . eu