Notation and standards
Piece and problem notation
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Unicode chess-piece symbols
Level: AdvancedTwelve Unicode characters represent the six classical chess pieces in white and black forms.
Unicode Chess Symbols block
Level: ExpertThe Unicode range U+1FA00 to U+1FA6F for variant pieces and other specialized chess characters.
Betza notation
Level: AdvancedA compact language for describing how a piece can move, especially in chess variants.
Extended Betza notation
Level: ExpertAn extension of Betza that can describe compound moves, intermediate conditions, and special effects for variant pieces.
Chess problem stipulation notation
Level: AdvancedIt is the compact notation that states the exact task of a chess composition.