The Mariotti Gambit has been played at the utmost top level where black goes for the most aggressive rook pawn movements after which the black goes ahead and becomes exchange down. Though white is exchange up the forward positions and the attacking position of the black pieces holds it’s ground.
1.e4 e5 2.Nc3 Nc6 3.g3 Bc5 4.Bg2 h5 5.Nf3 h4 6.Nxh4 Rxh4 7.gxh4 Qxh4 8.d4 Nxd4 9.Nd5 d6 10.Ne3
Unprovoked Passivity is not advisable for any player as it may lead to a disadvantage.
Nf6 11.c3 Bg4 12.Nxg4 Nxg4 13.Rf1 Ne6
Black on the attack should proceed with the idea of attack on the rise!
14.Qe2 Nxh2 15.Rh1 Ke7 16.Kd1 Rh8 17.f3
A topsy turvy game with black having the advantage with the move.
Qg3 18.Bd2 Bf2 19.Bf1 Rh4 20.Qd3 Nc5 21.Qe2 Nxf3 22.Rxh4 Nxh4 23.Kc2 Nf3 24.Rd1 Nxd2 25.Rxd2 Be3
And black has a 3 pawns and a minor piece for a rook enough to win.
In the Mariotti Gambit,black player sacrifices a pawn for an open file and for an accelerated attack at the opponent's king. This requires a bit more experience while playing at the tournaments as any player needs to justify the need for the sacrifice made by any player.