Complex sentence: In 2003, they also won the National Open Cup amateur championship; they have also finished as runners-up in this tournament on several occasions, in 1983,1994,1999 and 2000.
Split into simpler sentences: In 2003, they also won the National Open Cup amateur championship. They have also finished as runners-up in this tournament on several occasions, in 1983,1994,1999 and 2000.