Related Openings
Alapin's Opening	e4, e5, Ne2
KP - Lopez Opening	e4, e5, c3
KP - Napoleon's Opening	e4, e5, Qf3
KP - Patzer Opening	e4, e5, Qh5
KP - King's head Opening	e4, e5, f3
KP - Mengarini's Opening	e4, e5, a3