Puzzle 116873:
Puzzle 116873:
GM Alexander Ipatov (2586) - GM Daniil Dubov (2498)
11th Aeroflot Open A Moscow RUS (6), 2012.02.12 Ipatov - Dubov, Moscow 2012
11th Aeroflot Open A Moscow RUS (6), 2012.02.12 Ipatov - Dubov, Moscow 2012