Puzzle 23077:
Puzzle 23077:
GM Martyn Kravtsiv (2665) - GM Ding Liren (2777)
FIDE World Cup 2017 Tbilisi GEO, 2017.09.08 Kravtsiv - Ding Liren, Tbilisi 2017
FIDE World Cup 2017 Tbilisi GEO, 2017.09.08 Kravtsiv - Ding Liren, Tbilisi 2017