Petrov's Defense: Damiano Variation

An entry in the Encyclopedia of Chess Openings (ECO C42), reached after 6 half-moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4.

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4.Qe2 1 line
- C42 Kholmov Gambit

About this opening

Petrov's Defense: Damiano Variation is an opening in the Encyclopedia of Chess Openings, classified under code C42. 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 6 half-moves from the starting position, with the move sequence 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4.

It belongs to the Petrov's Defense family. Within that family this is a sub-variation (the Damiano Variation line).

The opening sequence in prose form: 1.e4 e5, 2.Nf3 Nf6, 3.Nxe5 Nxe4. From this position exactly one named continuation is recorded in the encyclopaedia.