Puzzle 400829:
Puzzle 400829:
GM Pavel Ponkratov (2659) - GM Alexander Motylev (2624)
74th ch-RUS 2021 Ufa RUS, 2021.10.12 Ponkratov - Motylev, Ufa 2021
74th ch-RUS 2021 Ufa RUS, 2021.10.12 Ponkratov - Motylev, Ufa 2021