<P> The Senior Open Championship , or simply The Senior Open ( and originally known as the Senior British Open ) is a professional golf tournament for players aged 50 and over . It is run by The R&A , the same body that organises The Open Championship . Prize money won in the event is official money on both PGA Tour Champions ( formerly the Senior PGA Tour and Champions Tour ) and the European Senior Tour . The purse , which is fixed in United States dollars , was $2 million in 2011 , with a winner 's share of $315,600 . For sponsorship reasons , it is currently known as The Senior Open Championship presented by Rolex . </P>
what is the purse for the senior open
fixed in United States dollars , was $2 million in 2011 , with a winner 's share of $315,600