What do GM Larsen and GM Carlsen have in common? According to GM Bojkov, more than just a rhyming name. They are both optimists when it comes to evaluating their positions. Bojkov also says that Larsen was not going to be outworked, and that tenacity helped him beat one of the most solid world champions. Here the great Dane stays up all night during the adjournment, helping him take out Tigran Petrosian as black!