Puzzle 219020:
Puzzle 219020:
GM Frode Urkedal (2537) - GM S.P. Sethuraman (2640)
42nd Olympiad 2016 Baku AZE, 2016.09.13 Urkedal - Sethuraman, Baku 2016
42nd Olympiad 2016 Baku AZE, 2016.09.13 Urkedal - Sethuraman, Baku 2016