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King's knight Opening

King's knight Opening

1. e4 e5 2. Nf3

King's knight Opening

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1. e4 e5 2. Nf3

Playing the King's knight Opening

The King's Knight Opening arises after 1.e4 e5 2.Nf3. ECO code: C40.


The most popular second move in the Open Game, developing a knight to its most natural square and attacking the e5-pawn. This move is the gateway to the Ruy Lopez, Giuoco Piano, Scotch Game, Petrov\'s Defence, and many other classical openings.

King's Knight Opening variations
Nc6
C44
King's Pawn Game
400

d6
C41
Philidor's Defence
31

Nf6
C42
Petrov's Defence
27

f5
C40
Latvian Counter-gambit
6

d5
C40
QP Counter-gambit (elephant Gambit)
1

Qe7
C40
Gunderam Defence

Qf6
C40
Greco Defence

f6
C40
Damiano's Defence

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