Complex sentence: In 1969 he was joint winner of the U.S. Open chess tournament with Pal Benko and Arthur Bisguier and in 1975 he finished third in the U.S. Championship ahead of Samuel Reshevsky, Robert Byrne, Benko and Bisguier among others.
Split into simpler sentences: In 1969 he was joint winner of the U.S. Open Chess Championship, along with Pal Benko and Arthur Bisguier. In 1975, he finished third in the U.S. Championship ahead of Samuel Reshevsky, Robert Byrne, Benko and Bisguier among others.