Since... 1994!

Petrov (Russian) Defence

(White: Ke1, Qe2, Ra1, Rh1, Nb1, Nc6, Bc1, Bf1, a2, b2, c2, d2, f2, g2, h2 

Black: Ke8, Qd8, Ra8, Rh8, Nb8, Nf6, Bc8, Bf8, a7, b7, c7, d7, f7, g7, h7.)


Then What?

Solution