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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nc3

Petrov's Defence: Three Knights Game
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Position in Forsyth-Edwards Notation (FEN)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3

Petrov's Defence: Three Knights Game

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3.Nc3

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Black's most common response to this move is 3...Nc6, which transposes into the Four Knights Game. However, Black can also play 3...Bb4.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. e4 e5 2. Nf3 Nf6 3.Nc3

3
Four Knights ...
Nc6
Bb5
 
(to 2...Nc6 3.Nc3 Nf6)
Petrov Defense ...
Bb4
Nxe5
 

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References

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v · t · e
Chess openings quick reference
1. e4
2. Nf3
With 2...Nc6:
With other 2nd moves:
2. Other
1... other
1. d4
Flank
Unorthodox