Puzzle 21017:
Puzzle 21017:
Garry Kasparov (2812) - David Navara (2737)
Saint Louis Rapid 2017 Saint Louis USA (7), 2017.08.16 Kasparov - Navara, Saint Louis 2017
Saint Louis Rapid 2017 Saint Louis USA (7), 2017.08.16 Kasparov - Navara, Saint Louis 2017