ECO C40 · King's Pawn Game

King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit

1. e4 e5 2. Nf3 Bc5 3. Nxe5 Nc6

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

4. Nxc6+1.52

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit (C40), reached after 1. e4 e5 2. Nf3 Bc5 3. Nxe5 Nc6, Stockfish 18 recommends 4. Nxc6 for White. White is clearly better (+1.52).

Top engine moves

  1. +1.524. Nxc6 dxc6 5. c3 Qh4 6. Qf3 Qh6 7. b4 Be7 8. Na3 f5
  2. +1.224. Nf3 d5 5. exd5 Qxd5 6. Be2 Bf5 7. c3 Bxb1 8. Rxb1 Qxa2
  3. +0.884. Be2 Bxf2+ 5. Kxf2 Nxe5 6. d4 Ng6 7. c4 Qh4+ 8. g3 Qxe4

Frequently asked questions

What is the best move in the King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit?
After 1. e4 e5 2. Nf3 Bc5 3. Nxe5 Nc6, Stockfish 18 at depth 18 recommends 4. Nxc6 for White, continuing dxc6 5. c3 Qh4 6. Qf3 Qh6 7. b4 Be7 8. Na3 f5. White is clearly better (+1.52). The next best moves are 4. Nf3 (+1.22) and 4. Be2 (+0.88).
Is the King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit a good opening?
Stockfish rates the position at +1.52: 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: Busch-Gass Gambit, Chiodini 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+).