The Two Knights Defense, Fegatello Attack, Leonhardt Variation is a variation of the Italian Game, catalogued as ECO C57. The line runs 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7, reaching the position shown below after 22 half-moves.
Both sides have pawns in the centre (White on d4, Black on e5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each, and Black is up two points of material. It is White to move after 11 moves. Black’s e-file pawn is isolated.
On the Italian Game generally: A classical opening focusing on rapid development and control of the center with pieces.
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The Two Knights Defense, Fegatello Attack, Leonhardt Variation goes 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7. It is a variation of the Italian Game and is catalogued as ECO C57.
The Two Knights Defense, Fegatello Attack, Leonhardt Variation is ECO C57. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Italian Game.
Stockfish evaluates the position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7 at -0.70 at depth 18, which is a small but real edge for Black. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
Both sides have pawns in the centre (White on d4, Black on e5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each, and Black is up two points of material. It is White to move. Black’s e-file pawn is isolated.