Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Nf3/3...g5/4. h4

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. f4‎ | 2...exf4‎ | 3. Nf3‎ | 3...g5
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King's Knight Gambit
a b c d e f g h
8{{{square}}} black rook{{{square}}} black knight{{{square}}} black bishop{{{square}}} black queen{{{square}}} black king{{{square}}} black bishop{{{square}}} black knight{{{square}}} black rook8
7{{{square}}} black pawn{{{square}}} black pawn{{{square}}} black pawn{{{square}}} black pawn{{{square}}} black king{{{square}}} black pawn{{{square}}} black king{{{square}}} black pawn7
6{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king6
5{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black pawn{{{square}}} black king5
4{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} white pawn{{{square}}} black pawn{{{square}}} black king{{{square}}} white pawn4
3{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} white knight{{{square}}} black king{{{square}}} black king3
2{{{square}}} white pawn{{{square}}} white pawn{{{square}}} white pawn{{{square}}} white pawn{{{square}}} black king{{{square}}} white pawn{{{square}}} white pawn{{{square}}} black king2
1{{{square}}} white rook{{{square}}} white knight{{{square}}} white bishop{{{square}}} white queen{{{square}}} white king{{{square}}} white bishop{{{square}}} black king{{{square}}} white rook1
a b c d e f g h
Common moves:
4...g4 - only move

Black's g-pawn is attacked, and the only move that saves it is 4...g4.

  • 4...f6 simply loses the pawn to 5.Nxg5! since 5...fxg5 6.Qh5+ Ke7 7.Qxg5+ Nf6 8.e5 is just carnage.
  • 4...h6 is also no defence against 5.hxg5 pinning the h6-pawn.
  • 4...gxh4 leaves Black with the world's most ridiculous pawn structure: doubled isolated pawns on f4, h4, f7 and h7. White doesn't even have to capture them right away; she can play something like 5.d4 if she wants to laugh at them a little longer.
  • 4...Bh6 or 4...Be7 followed by 5.hxg5 Bxg5 6.d4! allows White to win the f-pawn back with the move g3 while remaining ahead in development.

Theory table[edit]

For explanation of theory tables see theory table and for notation see algebraic notation.

1.e4 e5 2.f4 exf4 3.Nf3 g5 4. h4

4 5
Main Line ...
g4
Ne5
Nf6

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References[edit]