Puzzle 420404:
Puzzle 420404:
GM Ian Nepomniachtchi (2717) - GM B. Grachev (2683)
FIDE World Rapid 2013 Khanty-Mansiysk RUS, 2013.06.07 Nepomniachtchi - Grachev, Khanty-Mansiysk 2013
FIDE World Rapid 2013 Khanty-Mansiysk RUS, 2013.06.07 Nepomniachtchi - Grachev, Khanty-Mansiysk 2013