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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5

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< Chess Opening Theory | 1. e4 | 1...e5 | 2. Nf3 | 2...Nc6 | 3. Bc4 | 3...Nf6 | 4. Ng5
The latest reviewed version was checked on 14 June 2017. There is 1 pending change awaiting review.
Two Knights Defence
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Position in Forsyth-Edwards Notation (FEN)

r1bqkb1r/ppp2ppp/2n2n2/3pp1N1/2B1P3/8/PPPP1PPP/RNBQK2R w

Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5

Two Knights Defence

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4...d5

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This is the most commonly played move in the position. Black sacrifices a pawn in order to develop quickly and block White's bishop's attack on f7.

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 Nc6 3.Bc4 Nf6 4.Ng5 d5
4 5
Ng5
d5		 exd5
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References

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v · t · e
Chess Opening Theory
1. e4 e5
Open game
2. Nf3
With 2...Nc6:
  • Four knights (
    )
  • Italian game (
    )
  • Spanish game (
    )

With other 2nd moves:

2. Other

1. e4 c5
Sicilian defence
2. Nf3 · Open Sicilian
With 2...Nc6:
With 2...d6:
With 2...e6:
With other 2nd moves:
Anti-Sicilians
1. e4 ...other:
Caro-Kann
French
Other


1. d4 d5
Closed game
2. c4
2. Nc3
2. other
1. d4 Nf6
Indian defence
2. c4
With 2...e6:

With 2...g6:

With other 2nd moves for Black:
2. Nf3
2. other:
1. d4 f5
Dutch defence
1. d4 ...other:
Flank
Unorthodox
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