Zurich Challenge G3: Kramnik strikes back, evens score

On move eleven Levon Aronian sacrificed his queen – and it didn't seem to be preparation, as the opening choice by Vladimir Kramnik was very offbeat – a Scotch Four Knights, something he had never played before. He refuted the very dangerous looking attack of Aronian with precise calculation and went on to win an unusually exciting game – for which we bring you extensive commentary.