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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nc3/3...Bb4

Petrov's Defence
a
b
c
d
e
f
g
h
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
a
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e
f
g
h
Position in Forsyth-Edwards Notation (FEN)

rnbqk2r/pppp1ppp/5n2/4p3/1b2P3/2N2N2/PPPP1PPP/R1BQKB1R w

Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4

Petroff Three Knights Variation

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3...Bb4

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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 Bb4

4 5 6 7
Nxe5
 
Bc4
 
Bd3?
Bxc3		 dxc3
d6		 h3
Nc6		 0-0
Ne7		 Bg5
Ng6		 Qd2
h6		 Bxf6
Qxf6		 Bc4
Ng4		 =+

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Wikipedia has related information at Petrov's Defence


v · t · e
Chess openings quick reference
1. e4
1...e5 · Open
2. Nf3
With 2...Nc6:

With other 2nd moves:
2. Other

1...c5 · Sicilian
2... Nf3 · Open Sicilian
With 2...Nc6:

With 2...d6:

With 2...e6:

With other 2nd moves:
Anti-Sicilians
1... other
Caro-Kann
French
Other


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

With 2...g6:

With other 2nd moves for Black:
2. Nf3
2. other
1... other
Flank
Unorthodox
出典: Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nc3/3...Bb4

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