Kádas Opening

1. h4

Kádas Opening after 1. h4 87654321abcdefgh

The Kádas Opening is a chess opening classified as ECO A00, reached after 1. h4. Black is to move. 8 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 13,053 times by this move order. White won 42%, 6% were drawn and Black won 52%. The most popular continuation is 1… e5 (40% of games).

Engine evaluation: −0.36 (Stockfish, depth 50; best line 1… Nf6 2. c4 e5 3. d3 Nc6 4. Nf3)

ECO
A00
Moves
1 plies
FEN
rnbqkbnr/pppppppp/8/8/7P/8/PPPPPPP1/RNBQKBNR b KQkq - 0 1
PGN
1. h4

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14998,41741%53%
1500-19993,92744%52%
2000+70948%48%
All13,05342%52%

Most played moves

MoveGamesWhite / draw / Black
1… e55,279 (40%)40%55%
1… d53,245 (25%)42%53%
1… e6834 (6%)43%52%
1… c5558 (4%)49%48%
1… h5500 (4%)42%48%
1… Nf6454 (3%)41%53%
1… c6354 (3%)40%55%
1… g6341 (3%)49%45%

Master games

1,825 over-the-board games are classified under this line (White 55%, draw 9%, Black 36%). The strongest:

Search all games of the Kádas Opening and its sub-variations

Highest-rated Lichess games

Continuations

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.