ECO C20 · King's Pawn Game

King's Pawn Game: Clam Variation, Radisch Gambit

1. e4 e5 2. d3 Nf6 3. f4 Bc5

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

4. fxe5+1.29

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the King's Pawn Game: Clam Variation, Radisch Gambit (C20), reached after 1. e4 e5 2. d3 Nf6 3. f4 Bc5, Stockfish 18 recommends 4. fxe5 for White. White is clearly better (+1.29).

Top engine moves

  1. +1.294. fxe5 Nxe4 5. Qg4 d5 6. Qxg7 Qh4+ 7. g3 Bf2+ 8. Kd1 Qg4+
  2. −0.234. Nc3 d6 5. Na4 Bxg1 6. Rxg1 b5 7. Nc3 b4 8. Ne2 Nc6
  3. −0.474. Nf3 d6 5. Nc3 a6 6. f5 b5 7. Bg5 Bb7 8. Qd2 Ba7

Frequently asked questions

What is the best move in the King's Pawn Game: Clam Variation, Radisch Gambit?
After 1. e4 e5 2. d3 Nf6 3. f4 Bc5, Stockfish 18 at depth 18 recommends 4. fxe5 for White, continuing Nxe4 5. Qg4 d5 6. Qxg7 Qh4+ 7. g3 Bf2+ 8. Kd1 Qg4+. White is clearly better (+1.29). The next best moves are 4. Nc3 (−0.23) and 4. Nf3 (−0.47).
Is the King's Pawn Game: Clam Variation, Radisch Gambit a good opening?
Stockfish rates the position at +1.29: 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: Clam Variation, Radisch Gambit?
C20. 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+).