We are sad to report the passing of Richard Kenneth Guy, born 30-ix-1916) who passed away on March 9th 2020 in Calgary aged 103
From Wikipedia :
Richard Kenneth Guy (born 30 September 1916) was a British mathematician and professor emeritus in the Department of Mathematics at the University of Calgary. He was known for his work in number theory, geometry, recreational mathematics, combinatorics, and graph theory. He was best known for co-authorship (with John Conway and Elwyn Berlekamp) of Winning Ways for your Mathematical Plays and authorship of Unsolved Problems in Number Theory. He had also published over 300 papers. Guy proposed the partially tongue-in-cheek “Strong Law of Small Numbers,” which says there are not enough small integers available for the many tasks assigned to them – thus explaining many coincidences and patterns found among numerous cultures. For this paper he received the MAA Lester R. Ford Award.
From 1947 to 1951 Guy was the endings editor for the British Chess Magazine. He is known for almost 200 endgame studies. Along with Hugh Blandford and John Roycroft, he was one of the inventors of the GBR code (Guy–Blandford–Roycroft code), a system of representing the position of chess pieces on a chessboard. Publications such as EG magazine use it to classify endgame types and to index endgame studies.
Here is an appreciation from John Beasley