Brik- og problemnotation

Twelve Unicode characters represent the six classical chess pieces in white and black forms.

The Unicode range U+1FA00 to U+1FA6F for variant pieces and other specialized chess characters.

A compact language for describing how a piece can move, especially in chess variants.

An extension of Betza that can describe compound moves, intermediate conditions, and special effects for variant pieces.

It is the compact notation that states the exact task of a chess composition.