ECO A00 · Kádas Opening

Kádas Opening: Koola-Koola Variation

1. h4 a5

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

2. d4+0.25

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Kádas Opening: Koola-Koola Variation (A00), reached after 1. h4 a5, Stockfish 18 recommends 2. d4 for White. The position is roughly equal (+0.25).

Top engine moves

  1. +0.252. d4 d5 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. c4 Qb4+
  2. +0.242. Nc3 d5 3. d4 Bf5 4. f3 Qd6 5. g4 Qg3+ 6. Kd2 Bd7
  3. +0.202. e4 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. Nxc6 dxc6

Frequently asked questions

What is the best move in the Kádas Opening: Koola-Koola Variation?
After 1. h4 a5, Stockfish 18 at depth 18 recommends 2. d4 for White, continuing d5 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. c4 Qb4+. The position is roughly equal (+0.25). The next best moves are 2. Nc3 (+0.24) and 2. e4 (+0.20).
Is the Kádas Opening: Koola-Koola Variation a good opening?
Stockfish rates the position at +0.25: the position is roughly equal. 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 Kádas Opening: Koola-Koola 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+).