Puzzle 516:
Puzzle 516:
GM Jeffery Xiong (2618) - GM Gata Kamsky (2678)
ch-USA 2016 Saint Louis USA, 2016.04.18 GM Jeffery Xiong (2618) - GM Gata Kamsky (2678)
ch-USA 2016 Saint Louis USA, 2016.04.18
ch-USA 2016 Saint Louis USA, 2016.04.18 GM Jeffery Xiong (2618) - GM Gata Kamsky (2678)
ch-USA 2016 Saint Louis USA, 2016.04.18