ECO C40 · King's Pawn Game

King's Pawn Game: Gunderam Defense, Gunderam Gambit

1. e4 e5 2. Nf3 Qe7 3. Bc4 f5

abcdefgh87654321
White to move. The arrow shows Stockfish’s best move.
Best move

4. exf5+1.46

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the King's Pawn Game: Gunderam Defense, Gunderam Gambit (C40), reached after 1. e4 e5 2. Nf3 Qe7 3. Bc4 f5, Stockfish 18 recommends 4. exf5 for White. White is clearly better (+1.46).

Top engine moves

  1. +1.464. exf5 Nf6 5. O-O d6 6. d4 Bxf5 7. dxe5 dxe5 8. Re1 Nc6
  2. +1.374. d4 Nc6 5. O-O fxe4 6. Ng5 Nxd4 7. Bf7+ Kd8 8. c3 h6
  3. +1.374. Nc3 fxe4 5. Nxe4 c6 6. d4 d5 7. Bg5 Nf6 8. dxe5 dxe4

Frequently asked questions

What is the best move in the King's Pawn Game: Gunderam Defense, Gunderam Gambit?
After 1. e4 e5 2. Nf3 Qe7 3. Bc4 f5, Stockfish 18 at depth 18 recommends 4. exf5 for White, continuing Nf6 5. O-O d6 6. d4 Bxf5 7. dxe5 dxe5 8. Re1 Nc6. White is clearly better (+1.46). The next best moves are 4. d4 (+1.37) and 4. Nc3 (+1.37).
Is the King's Pawn Game: Gunderam Defense, Gunderam Gambit a good opening?
Stockfish rates the position at +1.46: white is clearly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the King's Pawn Game: Gunderam Defense, Gunderam Gambit?
C40. ECO codes classify chess openings from A00 to E99; C is the volume for open games and the French Defense.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).