ecocodes
Volume C · Open games and the French Defense‹ C34C36 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

C35 King’s Gambit Accepted: Cunningham Defense

C35 holds four named lines, all under the name King’s Gambit. It leaves C34 (King’s Gambit Accepted: King’s Knight’s Gambit) with 3...Be7. When the reference line ends, Black is one pawn up on material. At six plies, its reference line is the fifth-longest of the 10 King’s Gambit codes. At six plies, its reference line is the fifth-shortest of the 10 King’s Gambit codes.

Score sheet
#WhiteBlack
1e4e5
2f4exf4
3Nf3Be7

Moves only C35 plays

Same as C34 up to 3.Nf3, then:

  1. 3...Be7 The bishop leaves f8 for e7.

Lines filed under C35

All four share their first six plies, the whole reference line.

NameAfter the shared startPliesAt the end
King’s Gambit Accepted: Cunningham Defense(the shared start itself)6Black +1
King’s Gambit Accepted: Cunningham Defense, McCormick Defense4.Bc4 Nf68Black +1
King’s Gambit Accepted: Cunningham Defense, Bertin Gambit4.Bc4 Bh4+ 5.g39Black +1
King’s Gambit Accepted: Cunningham Defense, Bertin Gambit4.Bc4 Bh4+ 5.g3 fxg3 6.O-O gxh2+ 7.Kh113Black +3, White castled

King’s Gambit Accepted: Cunningham Defense, McCormick Defense

  1. 4.Bc4 The bishop leaves f1 for c4, opening a line for the rook on h1.
  2. 4...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.

King’s Gambit Accepted: Cunningham Defense, Bertin Gambit

  1. 4.Bc4 The bishop leaves f1 for c4, opening a line for the rook on h1.
  2. 4...Bh4+ The bishop goes from e7 to h4, opening a line for the queen on d8, giving check.
  3. 5.g3 The g-pawn advances to g3, covering f4 and h4, attacking the bishop on h4.

King’s Gambit Accepted: Cunningham Defense, Bertin Gambit

  1. 4.Bc4 The bishop leaves f1 for c4, opening a line for the rook on h1.
  2. 4...Bh4+ The bishop goes from e7 to h4, opening a line for the queen on d8, giving check.
  3. 5.g3 The g-pawn advances to g3, covering f4 and h4, attacking the bishop on h4.
  4. 5...fxg3 The f-pawn takes the pawn on g3, covering f2 and h2.
  5. 6.O-O White castles kingside, opening a line for the queen on d1.

The road to C35

  1. 1.e4 … 2.f4three earlier stops: B00, C20, C30
  2. 2...exf4C33 King’s Gambit Accepted
  3. 3.Nf3C34 King’s Knight’s Gambit
  4. 3...Be7C35

The position after 3...Be7

White has brought out the knight on f3; Black the bishop on e7. White has a half-open f-file; Black a half-open e-file. White is to move and has 29 legal moves.

WhiteBlackMaterial (pawn units)3839Minor pieces developed11Moves spent on pawns22Pawns on d4, e4, d5, e510Squares attacked in the other half65Doubled pawns01not castlednot castled

Closest boards in other codes

CodeLineDiffers on
C33King’s Gambit Acceptedfour squares: g1, f3, e7, f8
C36King’s Gambit Accepted: Modern Defensefour squares: d5, d7, e7, f8
C38King’s Gambit Accepted: Traditional Variationfive squares: f1, c4, g5, e7, g7
C40King’s Knight Openingfive squares: f2, f4, e5, e7, f8
A04Zukertort Openingsix squares: e2, f2, e4, f4, e7, f8
B00King’s Pawn Gamesix squares: g1, f2, f3, f4, e7, f8
B27Sicilian Defensesix squares: f2, f4, c5, c7, e7, f8

Open this line in the finderAll King’s Gambit codes