The Two Knights Defense, Max Lange Attack, Berger Variation is a variation of the Italian Game, catalogued as ECO C56. The line runs 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O, reaching the position shown below after 26 half-moves.
Black holds the centre with pawns on d4, 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 a pawn of material. It is White to move after 13 moves. The kings have gone to opposite wings (White kingside, Black queenside), which usually means both sides attack with pawns and the faster attack wins; White has doubled pawns on the f-file; Black has doubled pawns on the c-file; Black has the bishop pair.
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, Max Lange Attack, Berger Variation goes 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O. It is a variation of the Italian Game and is catalogued as ECO C56.
The Two Knights Defense, Max Lange Attack, Berger Variation is ECO C56. 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. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O at +0.34 at depth 18, which is a slight pull for White, within normal opening margins. 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.
Black holds the centre with pawns on d4, 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 a pawn of material. It is White to move. The kings have gone to opposite wings (White kingside, Black queenside), which usually means both sides attack with pawns and the faster attack wins; White has doubled pawns on the f-file; Black has doubled pawns on the c-file; Black has the bishop pair.