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