Complex sentence: The Boise Open has been played every year since 1990, the first year of the tour, then known as the Ben Hogan Tour, and is one of four original tournaments remaining on the current schedule.
Split into simpler sentences: The Boise Open has been played every year since 1990, the first year of the tour, then known as the Ben Hogan Tour. It is one of four original tournaments on the current schedule.