Grob Opening: Keene Defense

1. g4 d5 2. h3 e5 3. Bg2 c6

Grob Opening: Keene Defense after 1. g4 d5 2. h3 e5 3. Bg2 c6 87654321abcdefgh

The Grob Opening: Keene Defense is a chess opening classified as ECO A00, reached after 1. g4 d5 2. h3 e5 3. Bg2 c6. It is a line of the Grob Opening. White is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 16 times by this move order. White won 31%, 0% were drawn and Black won 69%. The most popular continuation is 4. c4 (31% of games).

Engine evaluation: −0.87 (Stockfish, depth 34; best line 4. d3 Ne7 5. Nf3 Ng6 6. Nc3 Na6)

ECO
A00
Moves
6 plies
FEN
rnbqkbnr/pp3ppp/2p5/3pp3/6P1/7P/PPPPPPB1/RNBQK1NR w KQkq - 0 4
PGN
1. g4 d5 2. h3 e5 3. Bg2 c6

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

Results by rating

Average ratingGamesWhite / draw / Black
0-1499838%63%
1500-1999633%67%
2000+2100%
All1631%69%

Most played moves

MoveGamesWhite / draw / Black
4. c45 (31%)20%80%
4. d44 (25%)25%75%
4. b32 (13%)50%50%
4. a32 (13%)100%
4. c31 (6%)100%
4. e31 (6%)100%
4. d31 (6%)100%

Master games

60 over-the-board games are classified under this line (White 45%, draw 13%, Black 42%). The strongest:

Search all games of the Grob Opening: Keene Defense and its sub-variations

Highest-rated Lichess games

Comes from

Grob Opening 1. g4

Continuations

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.