Half the games ended decisively on opening day at the second leg of the FIDE Grand Prix in Belgrade. Dmitry Andreikin and Vidit Gujrathi are leading their pools after beating Alexander Grischuk and Alexei Shirov respectively. Meanwhile, both games finished decisively in pool C, with Anish Giri and Nikita Vitiugov scoring full points in the first round. Two draws were seen in pool D. | Photos: Mark Livshitz