'Shit! Why would I do that?!' Sheva cursed inwardly, only realizing his mistake after the move was made. 'This gives him a tempo to breathe! I need to recover quickly!' He gripped his fist nervously, and tension started to take over his body.
The mistake he made wasn't that obvious. Hell, it only lay in a move order, which was impossible to notice during a blitz game where any move was made in a split second. In this case, Sheva really wanted to get rid of Master Priasmoro's light bishop, as it stared directly at his king's hiding spot.