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

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)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nc6

3...Nc6 edit

This move is uncommon, as the pin 4. Bb5 is annoying, yet, White is only a little better.

Another popular choice for White is 4. dxe5, which is best met with 4...Nxe5 or 4...dxe5. Either way, Black will lose castling rights after Qxd8+.

Stockfish prefers 4. d5, which attacks the knight and forces it to move backwards.

Various transpositions are possible:

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