An unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not identifiable as a known object or phenomenon.
Rešitev problema: 1.Gh3 Gh4 2.Gh5 Gh6 3.Gh7 Gh8 4.Ge7 Gd7 5.Gc7 Gb7 6.Ga7+ Ga6 7.Ga5+ Ga4 8.Ga3#