The Mott-Smith Trophy, named for writer and cryptographer Geoffrey Mott-Smith, is awarded to the player with the best overall individual performance in the Spring Nationals, the spring event of the American Contract Bridge League (ACBL) North American Bridge Championship (NABC).
[2] He became co-chairman of the ACBL Laws Commission, editor of the ACBL Bridge Bulletin 1935–36, a contributor to The Bridge World, a writer and cryptographer.
During World War II, Mott-Smith served as chief instructor for the OSS in the training of cryptographers and cryptanalysts.
He wrote or co-wrote more than 29 books on games and served as games consultant for the Association of American Playing Card Manufacturers.
[3] Boldface numerals represent a record-breaking number of masterpoints.