Judd Trump put his dramatic 6-5 Masters quarter-final victory over Neil Robertson down to learning to handle the pressure.
Trump made four centuries - and Robertson two - making it the first best-of-11 frame match in the sport's history to feature six tons.
"I was so relieved at the end because I didn't want to play like that and lose," said Trump.
"Recently I've been very edgy under pressure so to make a century proved to myself that I can still deal with that. I take a lot of confidence from it.
"We both played as well as we can and it was definitely one of the best games I've been involved in - there could have been eight or nine centuries.
"I play my best snooker when I'm playing fast," added Trump, who faces Barry Hawkins - conqueror of Ulsterman Mark Allen - in today's semi-finals of the £600,000 glamour event at Alexandra Palace in London.