< Chess Opening Theory < 1. e4 < 1...e5 < 2. f4
King's Gambit Accepted
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 pawn{{{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 king{{{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}}} black king4
3{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king3
2{{{square}}} white pawn{{{square}}} white pawn{{{square}}} white pawn{{{square}}} white pawn{{{square}}} black king{{{square}}} black king{{{square}}} white pawn{{{square}}} white pawn2
1{{{square}}} white rook{{{square}}} white knight{{{square}}} white bishop{{{square}}} white queen{{{square}}} white king{{{square}}} white bishop{{{square}}} white knight{{{square}}} white rook1
a b c d e f g h
Common moves:
3. Nf3 - King's Knight Gambit
3. Bc4 - King's Bishop Gambit
3. Be2 - Lesser Bishop's (April Fool's) Gambit
3. d4 - Villemson Gambit
3. Qf3 - Breyer Gambit
3. Nc3 - Keres Gambit

King's Gambit Accepted

If Black could make a free move in this position, it would undoubtedly be ...Qh4+. White can't block with the g-pawn thanks to the Black pawn on f4, so she would have to make an awkward king advance instead.

How should White deal with that threat?

The most obvious approach is to control the h4 square herself, with the natural developing move 3. Nf3.

The only reasonable alternative to that is to create an empty square for the king to run to after the check on h4. 3. Bc4 accomplishes this while also developing a piece to a square where it will threaten Black's weak f7 point. This is statistically White's best approach against the King's Gambit Accepted, in that White wins only slightly fewer games than Black does. Since in most openings White wins rather more games than Black by virtue of going first, this is a considerable fall from grace for the King's Gambit since the "romantic" era of chess in the 19th century.

Theory table

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

1.e4 e5 2.f4 exf4

3 4 5 6 7
King's Knight Gambit Nf3
g5		 h4
g4		 Ne5
Nf6		 d4
d6		 Nd3
Nxe4		 ∞
King's Bishop Gambit Bc4
...		 =
Lesser Bishop's Gambit Be2
...
Mason Gambit Nc3?!
-
Breyer Gambit Qf3?!
-		 =/+
King's Own Gambit Kf2?!
Qh4+		 g3
fxg3		 Kg2
Qxe4+		 -/+

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References

    • Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.
    • Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.
     
    Chess Openings
    1. e4 e5
    1. e4 c5
    1. e4 other
    1. d4 Nf6
    1. d4 d5
    1. d4 other
    1.
    a3 · Na3 · a4 · b3 · b4 · c3 · Nc3 · c4 · d3 · d4 · e3 · e4 · f3 · Nf3 · f4 · g3 · g4 · h3 · Nh3 · h4
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