Puzzle 312640:
Puzzle 312640:
GM Francisco Vallejo Pons (2704) - GM Valentin Dragnev (2553)
World Blitz 2019 Moscow RUS, 2019.12.29 Vallejo Pons - Dragnev, Moscow 2019
World Blitz 2019 Moscow RUS, 2019.12.29 Vallejo Pons - Dragnev, Moscow 2019