Mark Allen compiled a rare 147 break at the snooker world championship on Friday.
The 39-year-old from Northern Ireland made the maximum break, earning a lucky fan $33,000.
## What happened?
The fan, Brian Nicholls, was chosen to receive the cash prize if a player completed a maximum break.
Nicholls was watching a different match when Allen made the 147 break.
He had to watch on a screen as Allen finished off his maximum.
## Why it matters for Mark Allen
Allen's 147 break is only the 15th made at the Crucible.
He is set to receive nearly $60,000 for making the maximum break.
The prize money is more than the $26,600 received by first-round losers.
## What comes next?
The world championship is being broadcast by the BBC.
Allen's achievement is a significant one in the tournament.
The lucky fan, Brian Nicholls, had never been to the Crucible before.
He was bought a ticket by his son as a present for his 75th birthday.
The maximum break was made on one of the tables at the Crucible Theatre.
The other table was separated by a partition, where Nicholls was watching.
TV footage showed Nicholls celebrating after Allen potted the final black.
The 147 break is a rare achievement in snooker.
It requires a player to pot all the reds, followed by all the colors.
Allen's achievement is a notable one in the world of snooker.
He has made a significant impact on the tournament.
The fan, Brian Nicholls, was a lucky recipient of the cash prize.
He received $33,000 for being chosen to receive the prize.
The prize money is a significant amount for a fan.
It is more than the amount received by some players in the tournament.