The Evans Gambit, Compromised Defense, Main Line is a variation of the Italian Game, catalogued as ECO C52. The line runs 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3, reaching the position shown below after 21 half-moves.
White holds the centre with pawns on e5. Development is level at four minor pieces each, and Black is up two points of material. It is Black to move after 11 moves. White has castled while Black’s king is still uncommitted; White’s a-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 Evans Gambit, Compromised Defense, Main Line goes 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3. It is a variation of the Italian Game and is catalogued as ECO C52.
The Evans Gambit, Compromised Defense, Main Line is ECO C52. 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 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3 at +0.27 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.
White holds the centre with pawns on e5. Development is level at four minor pieces each, and Black is up two points of material. It is Black to move. White has castled while Black’s king is still uncommitted; White’s a-file pawn is isolated.