ECO A00 · Van't Kruijs Opening

Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation

1. e3 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3

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

4… fxe3−0.77

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation (A00), reached after 1. e3 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3, Stockfish 18 recommends 4… fxe3 for Black. Black is slightly better (−0.77).

Top engine moves

  1. −0.774… fxe3 5. d4 d5 6. Bxe3 Nf6 7. Bd3 Nb4 8. O-O Nxd3 9. Qxd3
  2. −0.714… d5 5. Bb5 fxe3 6. O-O a6 7. Bxc6+ bxc6 8. Ne5 Qh4 9. dxe3
  3. −0.424… Nf6 5. exf4 d5 6. Bb5 d4 7. Ne2 Bc5 8. Bxc6+ bxc6 9. d3

Frequently asked questions

What is the best move in the Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation?
After 1. e3 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3, Stockfish 18 at depth 18 recommends 4… fxe3 for Black, continuing 5. d4 d5 6. Bxe3 Nf6 7. Bd3 Nb4 8. O-O Nxd3 9. Qxd3. Black is slightly better (−0.77). The next best moves are 4… d5 (−0.71) and 4… Nf6 (−0.42).
Is the Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation a good opening?
Stockfish rates the position at −0.77: black is slightly 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 Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation?
A00. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

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