Chess __, Shorthand Descriptions of Chess Moves
Puzzle 11 of Famous Women in Science Hard Pack
Question is: Chess __, Shorthand Descriptions of Chess Moves
and the answer is: NOTATION
Word Meaning:
NOTATION — (uncountable) The act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters.
Definitions from Wiktionary.