 Complete the following phrase:  Gilbert struggled to replicate the form he showed in Australia until the final and biggest tournament on the snooker calendar, the World Championship. He qualified with victories over Stuart Carrington, Jimmy Robertson with a final frame decider, Mike Dunn and Fergal OBrien and drew 11th seed Martin Gould in the first round. There he won his first-ever match at the Crucible 108, although he had to withstand two comebacks after leading 62 and 95. In the second round he was defeated by 