Complex sentence: Jens Enevoldsen (23 September 1907--23 May 1980) was a Danish chess master who won the Danish Chess Championship five times (1940,1943,1947,1948, and 1960).
Split into simpler sentences: Jens Enevoldsen (born 23 September 1907-died 23 May 1980) was a danish chess master. He won five times Danish Chess Championship (1940,1943,1947,1948, and 1960).