- Active between 1920 - 1970
- Did not specialize in gambits or king fiachettos
- At some time point among the Top 50 in the world
- Improvers < 1500 should pick a player who played e4/d4 and who responded "1. e4 e5" or "1. d4 d5"
There is a book available occasionally in used book store with a collection of Gösta's finest games. Bonus points are awarded for a suggested chess hero who is available in one or more books.