Chess Opening Theory/1. f4/1...e5/2. fxe5/2...Nc6/3. Nf3/3...g5/4. d4

< Chess Opening Theory‎ | 1. f4‎ | 1...e5‎ | 2. fxe5‎ | 2...Nc6‎ | 3. Nf3‎ | 3...g5
Bird's Opening
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. f4 e5 2. fxe5 Nc6 3. Nf3 g5 4. d4

4.d4

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This is a common move in the From's Gambit for White, defending e5 and attacking g5 at the same time. 4.h3 was weakening, but also playable. However, it was not in the spirit of the From's Gambit.

Black can now continue his plan with 4...g4.[1]

Theory table

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4 5
d4

g4

Ng5

d6

+/=

References

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  1. Lakdawala, Cyrus. Bird's Opening: Move by Move. Everyman Chess, 2015.