Related Openings
Danish gambit - Soerensen defense	e4, e5, d4, exd4, c3, d5
Danish gambit - Collijn defense	e4, e5, d4, exd4, c3, dxc3, Bc4, cxb2, Bxb2, Qe7
Danish gambit	e4, e5, d4, exd4, c3
Halasz gambit	e4, e5, d4, exd4, f4
center game, Kieseritsky Variation	e4, e5, d4, exd4, Nf3, c5, Bc4, b5