 Complete the following phrase:  He was invited to play in the first international chess tournament, the London 1851 tournament, where he scored 12212 and was defeated in the first round by the eventual winner Adolf Anderssen. One of the games was finished in a mere 20 minutes after a horrific blunder Staunton described as having been never equalled even among beginners of the game. The other loss was equally one-sided. During his time in London, however, Kieseritzky also played an offhand game against Anderssen which has so thrilled generations of chess players that it has been dubbed 