Blackmar-Diemer Gambit (3. Nc3 Nf6)
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
The Blackmar-Diemer Gambit is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6. White is to move. 11 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 12,132 times by this move order. White won 54%, 3% were drawn and Black won 43%. The most popular continuation is 4. f3 (76% of games).
Engine evaluation: −0.61 (Stockfish, depth 55; best line 4. Bg5 Bf5 5. Nge2 e6 6. Ng3 Be7)
- ECO
- D00
- Moves
- 6 plies
- FEN
rnbqkb1r/ppp1pppp/5n2/8/3Pp3/2N5/PPP2PPP/R1BQKBNR w KQkq - 2 4- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 3,668 | |
| 1500-1999 | 7,160 | |
| 2000+ | 1,304 | |
| All | 12,132 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4. f3 | 9,236 (76%) | |
| 4. Bg5 von Popiel Gambit | 1,946 (16%) | |
| 4. Qe2 | 213 (2%) | |
| 4. Bc4 | 173 (1%) | |
| 4. Bf4 | 132 (1%) | |
| 4. Be3 Rasa-Studier Gambit | 127 (1%) | |
| 4. d5 | 95 (1%) | |
| 4. Bb5+ | 45 (0%) |
Master games
6 over-the-board games are classified under this line (White 67%, draw 0%, Black 33%). The strongest:
- GM Maxime Vachier-Lagrave (2732) – GM Andrey Gorovets (2480) 1-0 · Titled Tue 21st May Late · 2024-05-21
- FM Santiago Jose Guevara Ruiz (2113) – Esther Jou (2011) 1-0 · Titled Tue 21st Jan Late · 2025-01-21
- CM Thomas Christensen (2142) – WCM Evelina Zavivaeva (1589) 1-0 · Titled Tuesday 29th Sept · 2020-09-29
- Riccardo Mordiglia (1930) – Marco Somaschini (1777) 1-0 · 47th Arco Open 2025 · 2025-10-09
Search all games of the Blackmar-Diemer Gambit and its sub-variations
Highest-rated Lichess games
- Schmargendorf (2669) – FM Crew12 (2753) 0-1 · 2026-09-02 · 180 + 0s
- GolfeDuMorbihan (2702) – IM unknown-maestro_2450 (2646) 1-0 · 2026-09-05 · 180 + 0s
- GolfeDuMorbihan (2692) – IM unknown-maestro_2450 (2656) 1-0 · 2026-09-05 · 180 + 0s
Comes from
Blackmar-Diemer Gambit (1… d5 2. e4) 1. d4 d5 2. e4
Continuations
- Blackmar-Diemer Gambit: Rasa-Studier Gambit D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3
- Blackmar-Diemer Gambit: von Popiel Gambit D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5
- Blackmar-Diemer Gambit Accepted D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3
- Blackmar-Diemer Gambit Declined: Brombacher Countergambit D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5
- Blackmar-Diemer Gambit Declined: Elbert Countergambit D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e5
- Blackmar-Diemer Gambit Declined: Gedult Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 a6
- Blackmar-Diemer Gambit Declined: Lamb Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Nc6
- Blackmar-Diemer Gambit Declined: Langeheinicke Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e3
- Blackmar-Diemer Gambit Declined: O'Kelly Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c6
- Blackmar-Diemer Gambit Declined: Vienna Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5
- Blackmar-Diemer Gambit Declined: Weinsbach Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6
More Blackmar-Diemer Gambit lines (all)
- 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
- Blackmar-Diemer Gambit: Zeller Defense 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.