Ware Opening

1. a4

Ware Opening after 1. a4 87654321abcdefgh

The Ware Opening is a chess opening classified as ECO A00, reached after 1. a4. Black is to move. 6 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 8,379 times by this move order. White won 42%, 5% were drawn and Black won 53%. The most popular continuation is 1… e5 (40% of games).

Engine evaluation: −0.21 (Stockfish, depth 55; best line 1… Nf6 2. d4 e6 3. Nf3 c5 4. e3)

ECO
A00
Moves
1 plies
FEN
rnbqkbnr/pppppppp/8/8/P7/8/1PPPPPPP/RNBQKBNR b KQkq - 0 1
PGN
1. a4

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14995,52041%53%
1500-19992,46443%52%
2000+39546%46%
All8,37942%53%

Most played moves

MoveGamesWhite / draw / Black
1… e53,322 (40%)40%55%
1… d51,991 (24%)43%53%
1… e6476 (6%)44%51%
1… Nf6429 (5%)43%52%
1… a5
Symmetric Variation
356 (4%)40%49%
1… c5343 (4%)45%52%
1… g6252 (3%)46%49%
1… c6245 (3%)48%47%

Master games

552 over-the-board games are classified under this line (White 61%, draw 8%, Black 31%). The strongest:

Search all games of the Ware 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.