About this opening
Latvian Gambit Accepted: Nimzowitsch Attack is an opening in the Encyclopedia of Chess Openings,
classified under code C40. ECO group C (C00–C99)
covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached
after 11 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3.
It belongs to the Latvian Gambit Accepted family. Within that family this is a sub-variation (the Nimzowitsch Attack line).
The opening sequence in prose form: 1.e4 e5, 2.Nf3 f5, 3.Nxe5 Qf6, 4.d4 d6, 5.Nc4 fxe4, 6.Ne3. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.