411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...f5/4. dxe5
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Philidor Counter-Gambit rd nd bd qd kd bd nd rd pd pd pd pd pd pd pl pd pl nl pl pl pl pl pl pl rl nl bl ql kl bl rl
Philidor Counter-Gambit
The situation is unclear. Black can play 4...fxe4, forcing the white knight move. Also to be considered is 4...Nc6 controlling the d4 and e5 squares.
Theory table
1. e4 e5 2. Nf3 d6 3.d4 f5 4.dxe5
4
5
6
7
dxe5fxe4
Ng5d5
e6Nh6
Nc3c6
+=
...Nc6
Bd3dxe5
exf6Nf6
Nc3Bb4
+=
References
Philidor Defence