 Complete the following phrase:  It was widely believed that Ivanchuk might become world champion. He came close in 2002, when he reached the final of the FIDE World Chess Championship 2002. Ivanchuk consistently ranked among the top 10 from July 1988 to October 2002 and among the top 20 up June 2009, but Mark Crowthers The Week in Chess said his erratic play was due to poor temperament. His results saw him drop as low as 30th in July 2009, but he returned to the top ten in the next list. His inability to become world champion despite his immense talent and longevity has been attributed to his admittedly poor nerves, demonstrated by blunders such as at the 1994 London Grand Prix blitz, when he failed to complete a strong attack on Viswanathan Ad with a mate in one despite having 1:14 left on the clock. Ivanchuks nerves were notably exposed during the high-tension atmosphere of World Championship match-format tournaments, such as in 2002 where he was heavily favored in the FIDE championship final after having defeated defending champion Ad in the semifinals, only to lose to countryman Ruslan Ponomariov in a major upset, denying him the championship. Subsequent match-play tournaments in World Championship cycles saw Ivanchuk consistently underperform; in the 