Unidentified chessmasters Heads of Hogwarts

These wizards were famous wizard chess champions.

Lifetime
These wizards were champions in wizard's chess. They were appointed headmasters of Hogwarts School of Witchcraft and Wizardry sometime before Armando Dippet.

post-mortem
After their deaths, their Portrait was hung in the Headmaster's office, so they could give advice to the current head. It had a golden frame

Appearances

 * Harry Potter and the Chamber of Secrets (film)