cf. Bernard Parham's "Matrix Notation", which uses the same shapes for pawns, bishops, rooks, and (almost) queens: https://www.thechessdrum.net/talkingdrum/TheM

cf. Bernard Parham's "Matrix Notation", which uses the same shapes for pawns, bishops, rooks, and (almost) queens: https://www.thechessdrum.net/talkingdrum/TheMatrix/index.html https://www.thechessdrum.net/talkingdrum/TheMatrix/index.htm...