Three-time world champion Ronnie O'Sullivan feels he is being 'blackmailed' by the game's governing body making ranking points available for smaller tournaments.
The 35-year-old won the seventh in a series of 12 Players Tour Championship events staged by World Snooker.
Valuable ranking points have been tagged to the events, created in a bid to address claims that there were not enough tournaments.
"I feel blackmailed," O'Sullivan said.
"They put these ranking events on and ranking points at these tournaments and it just feels like the winner's prize is not great.
"Most players are going there and losing money, but they're putting ranking points on so it's forcing the players to play in it, which is not great, but what do you do? You have to go," O'Sullivan, a five-time world number one but currently ranked 12, added.
O'Sullivan, who is one of the richest players on the professional snooker circuit with career earnings topping the £6m mark, he insists there are players lower down the ladder who are losing money by taking part in the tournaments.
"The lower-ranked players can't afford it and the top-ranked players don't really get rewarded for what they do, so no-one is a winner.
"But I have to play in them, there's not a lot you can do, you've got to do it. But I don't agree with them."
O'Sullivan beat Matthew Stevens 4-2 in the most recent tournament in Gloucester, earning valuable ranking points as he bids to stay in the world's top 16 for next season - which would mean he would not be forced to qualify for major tournaments.
World Snooker was unavailable for comment.
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