Puzzle 100294:
Puzzle 100294:
GM Evgeny Postny (2605) - GM Konstantin Sakaev (2596)
World Blitz 2019 Moscow RUS, 2019.12.30 Postny - Sakaev, Moscow 2019
World Blitz 2019 Moscow RUS, 2019.12.30 Postny - Sakaev, Moscow 2019