Blackmar-Diemer Gambit: Rasa-Studier Gambit
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3
The Blackmar-Diemer Gambit: Rasa-Studier Gambit is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3. 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 127 times by this move order. White won 46%, 3% were drawn and Black won 51%. The most popular continuation is 4… e6 (35% of games).
Engine evaluation: −0.93 (Stockfish, depth 34; best line 4… Bf5 5. Be2 Qd7 6. a3 a6 7. f3)
- ECO
- D00
- Moves
- 7 plies
- FEN
rnbqkb1r/ppp1pppp/5n2/8/3Pp3/2N1B3/PPP2PPP/R2QKBNR b KQkq - 3 4- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 65 | |
| 1500-1999 | 62 | |
| All | 127 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4… e6 | 45 (35%) | |
| 4… Bf5 | 30 (24%) | |
| 4… Nc6 | 18 (14%) | |
| 4… Bg4 | 13 (10%) | |
| 4… c6 | 7 (6%) | |
| 4… g6 | 4 (3%) | |
| 4… b6 | 4 (3%) | |
| 4… h6 | 2 (2%) |
Highest-rated Lichess games
- dimakarate (1956) – twin20 (2021) 0-1 · 2026-09-01 · 300 + 0s
- den000000008 (1975) – tester_dom (1977) 0-1 · 2026-09-07 · 180 + 0s
- dimakarate (1902) – spacecowboy71 (2025) 1-0 · 2026-09-06 · 300 + 0s
Comes from
Blackmar-Diemer Gambit (3. Nc3 Nf6) 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
More Blackmar-Diemer Gambit lines (all)
- Blackmar-Diemer Gambit (1… d5 2. e4) D00
- Blackmar-Diemer Gambit: Blackmar Gambit D00
- Blackmar-Diemer Gambit: Diemer-Rosenberg Attack D00
- Blackmar-Diemer Gambit: Fritz Attack D00
- Blackmar-Diemer Gambit: Lemberger Countergambit D00
- Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation D00
- Blackmar-Diemer Gambit: Lemberger Countergambit, Lange Gambit D00
- Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack D00
- Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack D00
- Blackmar-Diemer Gambit: Lemberger Countergambit, Soller Attack D00
- Blackmar-Diemer Gambit: Netherlands Variation D00
- Blackmar-Diemer Gambit: Reversed Albin Countergambit D00
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.