Related Openings
Petrov - Modern attack, Trifunovic Variation	e4, e5, Nf3, Nf6, d4, Nxe4, Bd3, d5, Nxe5, Bd6, O-O, O-O, c4, Bxe5
Petrov - Modern attack, Symmetrical Variation	e4, e5, Nf3, Nf6, d4, Nxe4
Petrov - Urusov gambit	e4, e5, Nf3, Nf6, d4, exd4, Bc4
Petrov - Modern attack, Steinitz Variation	e4, e5, Nf3, Nf6, d4, exd4, e5, Ne4, Qe2
Petrov - Modern attack, Main line	e4, e5, Nf3, Nf6, d4, exd4, e5, Ne4, Qxd4
Petrov - Modern (Steinitz) attack	e4, e5, Nf3, Nf6, d4