[<< wikibooks] Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...Nxe4/4. Qe2
= Petrov's Defence, Damiano Variation =

=== 4. Qe2 ===
White threatens the black knight. Qe7 is the usual move, but d5 and d6 are about as good. If the black knight moves immediately, black will lose material.
This position almost only occurs among beginners because this trap is so well known and black's position is terrible.

== Theory table ==
For explanation of theory tables see theory table and for notation see algebraic notation.
1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2

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