問題 11880:
問題 11880:
GM Peter Svidler (2751) - GM Hikaru Nakamura (2791)
4th Sinquefield Cup 2016 Saint Louis USA, 2016.08.09 Svidler - Nakamura, Saint Louis 2016
4th Sinquefield Cup 2016 Saint Louis USA, 2016.08.09 Svidler - Nakamura, Saint Louis 2016