Career
FIDE International Master (1977). From 1951 to 1979 Stefan Witkowski played eighteen times in the Polish Chess Championship"s finals. In 1955 he made his debut on the international stage.
Witkowski represented his country in nineteen matches and more than thirty international tournaments.
He was a multiple medalist in Polish Team Chess Championship, including eleven gold. Stefan Witkowski played for Poland in Chess Olympiads:
In 1958, at fourth board in the 13th Chess Olympiad in Munich (+6, =2, -4).