Puzzle 3259:
Puzzle 3259:
GM Jeffery Xiong (2618) - GM Fabiano Caruana (2795)
ch-USA 2016 Saint Louis USA, 2016.04.21 Xiong - Caruana, Saint Louis 2016
ch-USA 2016 Saint Louis USA, 2016.04.21 Xiong - Caruana, Saint Louis 2016