Gilbert lost to Ronnie O’Sullivan in the opening round of last year’s World Championship

Snooker’s governing body will consider changes to its one-frame Shoot Out after controversy on the final day of this year’s tournament in Watford.

World number 21 Dave Gilbert was knocked out in the quarter-finals after referee Rob Spencer failed to call a time foul on China’s Xiao Guodong.

Gilbert, 35, expressed his anger