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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...d6/4. d4

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Ruy Lopez: Steinitz Defence
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Position in Forsyth-Edwards Notation (FEN)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4
Parent:

Ruy Lopez: Steinitz Defence

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Not to be confused with the Modern Steinitz Defence.

4. d4

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White threatens dxe5 since Black's knight is pinned. Thus, Black needs to play 4...Bd7 (unpinning the knight) or 4...exd4.

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. Bb5 d6 4. d4
4 5
...
Bd7
Nc3
...
exd4
Nxd4
Bd7

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