 Complete the following phrase:  Bad luck for rivals and excellent on-track performances from the Colombian meant he was a title contender, particularly after a key victory at the German Grand Prix. Williams, however, were unable to keep pace with the latest developments from Ferrari, coupled with a mid-season amendment to tyre regulations that forced the Michelin-shod Williams, among others, to quickly make a new design to avoid being disqualified. With that, the Bridgestone-shod Ferraris returned to form. Montoya failed to claim another victory that year. A drive-through penalty at the 