Puzzle 350467:
Puzzle 350467:
GM Vincent Keymer (2591) - GM Alan Pichot (2630)
54th Biel GM Blitz 2021 Biel SUI, 2021.07.31 Keymer - Pichot, Biel 2021
54th Biel GM Blitz 2021 Biel SUI, 2021.07.31 Keymer - Pichot, Biel 2021