A00

Kádas Opening: Koola-Koola Variation

Chess diagram: Kádas Opening: Koola-Koola Variation after 1…a5

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Statistics from Lichess

14,778 games: White 46.0% / Draw 9.9% / Black 44.1%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
5,7815,781
1,9381,938
1,1991,199
1,0171,017
880880
869869
587587
475475

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 9, 2026

Engine evaluation

+0.24 The position is about equal

Best play: 2. d4 Nf6 3. c4 e6 4. Nc3 d5 5. Bg5 Nbd7 6. e3 h6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Kádas Opening: Koola-Koola Variation (ECO A00, Flank Openings) is a variation of the Kádas Opening, reached after 1. h4 a5 (1 move).

In 14,778 rated Lichess games between players rated 1600 to 2500, White won 46.0%, Black 44.1% and 9.9% were drawn. White's most played move here is 2. h5, in 39% of those games.

Written from the Lichess opening list and explorer. Know this line well? Write about it.

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How to play against the Kádas Opening: Koola-Koola Variation

2. d4 scores best for White: 54.1%, with White winning 51.1% and Black 42.9% of 869 games. The most played, 2. h5, scores 50.8% in 5,781 games, and 2. g4 scores lowest: 47.7%. Stockfish's first choice is also 2. d4.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Cite this page

Caissa Codex. “Kádas Opening: Koola-Koola Variation (A00)”. Lichess data as of 9 Nov 2026. https://chesscodex.org/openings/kadas-opening-koola-koola-variation