Grob Opening: Alessi Gambit

1. g4 f5

Grob Opening: Alessi Gambit after 1. g4 f5 87654321abcdefgh

The Grob Opening: Alessi Gambit is a chess opening classified as ECO A00, reached after 1. g4 f5. It is a line of the Grob Opening. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 107 times by this move order. White won 54%, 5% were drawn and Black won 41%. The most popular continuation is 2. gxf5 (55% of games).

Engine evaluation: +0.70 (Stockfish, depth 39; best line 2. gxf5 d5 3. e4 g6 4. fxg6 hxg6)

ECO
A00
Moves
2 plies
FEN
rnbqkbnr/ppppp1pp/8/5p2/6P1/8/PPPPPP1P/RNBQKBNR w KQkq - 0 2
PGN
1. g4 f5

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14994755%38%
1500-19995252%44%
2000+863%38%
All10754%41%

Most played moves

MoveGamesWhite / draw / Black
2. gxf559 (55%)51%46%
2. Bg223 (21%)57%43%
2. g515 (14%)53%14%33%
2. e32 (2%)100%
2. f32 (2%)50%50%
2. h31 (1%)100%
2. b41 (1%)100%
2. e41 (1%)100%

Master games

2 over-the-board games are classified under this line (White 50%, draw 0%, Black 50%). The strongest:

Search all games of the Grob Opening: Alessi Gambit and its sub-variations

Highest-rated Lichess games

Comes from

Grob Opening 1. g4

More Grob Opening lines (all)

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.