Search any chess opening by name (e.g. Caro-Kann Defence) to find all related chess openings. You can also search by Exact Chess Notation or MICOS code.

The MICOS codes are ordered in ascending sequence, reflecting the exact progression of chess notation move-order. This means that when openings are listed by MICOS codes, they are also listed in ascending chess notation order.

Calculate your new ELO rating or simulate new rating before a chess game.

Input your own language Chess Notation from a ‘Face to Face’ Game. Get it translated to English Notation you can use in any Chess Analysis Program. Download a PGN File.

FEN Strings are calculated for each PGN notation to a chess position.

Useful to make if you want to import the position on a chess website that does not support FEN Strings.

Insert your notation or copy an opening notation into Notepad. Save it as a PGN File.