 Complete the following phrase:  As a result of winning this tournament Anderssen was popularly recognised as Europes best player, although as far as is known he was never described as world champion. The idea of a world chess champion had been current at least since 1840, and the earliest known use of the term world champion is in 1845, referring to Staunton and published in Stauntons Chess Players Chronicle. Wilhelm Steinitz was widely recognized as world champion in the 1870s, but the first formal contest for the world title was the 