Puzzle 549170:
Puzzle 549170:
H. Boulahfa (2097) - GM Ulf Andersson (2544)
74th Noteboom Open 2014 Leiden NED, 2014.02.28 Boulahfa - Andersson, Leiden 2014
74th Noteboom Open 2014 Leiden NED, 2014.02.28 Boulahfa - Andersson, Leiden 2014