Philidor defence

chess opening, consisting of the moves 1. e4 e5 2. Nf3 d6
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Philidor's defence, usually called the Philidor, is one of the basic chess openings. It was used often by the 18th century master François-André Danican Philidor, and he published analysis about it in his textbook L'Analyse du jeu des échecs (1849).

Philidor's defence:
1.e4 e5 2.Nf3 d6
abcdefgh
8
a8 black rook
b8 black knight
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
d6 black pawn
e5 black pawn
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
f1 white bishop
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh

Variations change

Philidor's counter-gambit change

1.e4 e5
2.Nf3 d6
3.d4 f5

Main line change

1.e4 e5
2.Nf3 d6
3.d4 exd4
4.Nxd4 Nf6
5.Nc3 Be7 or 5...g6 followed by 6...Bg7

Transposition change

Black can reach a line called the Hanham variation by transposing from the Pirc defence:

1.e4 d6
2.d4 Nf6
3.Nc3 Nbd7
4.Nf3 e5