Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5

Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack after 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5 87654321abcdefgh

The Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5. It is a line of the Blackmar-Diemer Gambit. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 79 times by this move order. White won 48%, 5% were drawn and Black won 47%. The most popular continuation is 4… exd4 (66% of games).

Engine evaluation: −0.91 (Stockfish, depth 48; best line 4… Qxd4 5. Be3 Qd6 6. Nxe4 Qb4+ 7. Nd2)

ECO
D00
Moves
7 plies
FEN
rnbqkbnr/ppp2ppp/8/4p2Q/3Pp3/2N5/PPP2PPP/R1B1KBNR b KQkq - 1 4
PGN
1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5

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

Results by rating

Average ratingGamesWhite / draw / Black
0-1499540%20%40%
1500-19994553%44%
2000+2941%52%
All7948%47%

Most played moves

MoveGamesWhite / draw / Black
4… exd452 (66%)52%40%
4… Qxd416 (20%)44%56%
4… Nf66 (8%)33%67%
4… Nc63 (4%)100%
4… Be61 (1%)100%
4… Qd61 (1%)100%

Master games

20 over-the-board games are classified under this line (White 65%, draw 5%, Black 30%). The strongest:

Search all games of the Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack and its sub-variations

Highest-rated Lichess games

Comes from

Blackmar-Diemer Gambit: Lemberger Countergambit 1. d4 d5 2. e4 dxe4 3. Nc3 e5

More Blackmar-Diemer Gambit 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.