The Sea-Cadet Mate is a variation of the Scotch Game, catalogued as ECO C44. The line runs 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5#, reaching the position shown below after 19 half-moves.
White holds the centre with pawns on e4. Development is level at three minor pieces each, and Black is up six points of material. It is Black to move after ten moves. White has castled while Black’s king is still uncommitted.
On the Scotch Game generally: An open game where White immediately challenges Black's center. Leads to active piece play.
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The Sea-Cadet Mate goes 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5#. It is a variation of the Scotch Game and is catalogued as ECO C44.
The Sea-Cadet Mate is ECO C44. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Scotch Game.
Stockfish evaluates the position after 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5# at mate in 0 for Black, which is roughly balanced. 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 e4. Development is level at three minor pieces each, and Black is up six points of material. It is Black to move. White has castled while Black’s king is still uncommitted.