Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...Nd7

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Nf3‎ | 2...d6‎ | 3. d4
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3..Nd7!?[edit]

Philidor Defence
a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h
Position in Forsyth-Edwards Notation(FEN)

r1bqkbnr/pppn1ppp/3p4/4p3/3PP3/5N2/PPP2PPP/RNBQKB1R

This more clogs up Black's queenside and slightly weakens f7. However, this is not bad, only slightly inaccurate. The best move is 4.Bc4, when explosions on f7 can occur any moment. The only good move then is 4...exd4, with a solid but passive game for black.

Theory Table[edit]

4.Bc4

exd4

Nxd4 +/=