Blackmar-Diemer Gambit Accepted: Kaulich Defense
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5
The Blackmar-Diemer Gambit Accepted: Kaulich Defense is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5. It is a line of the Blackmar-Diemer Gambit Accepted. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 24 times by this move order. White won 38%, -1% were drawn and Black won 63%. The most popular continuation is 6. d5 (63% of games).
Engine evaluation: −0.21 (Stockfish, depth 46; best line 6. Bf4 cxd4 7. Nb5 Na6 8. Bc4 e6)
- ECO
- D00
- Moves
- 10 plies
- FEN
rnbqkb1r/pp2pppp/5n2/2p5/3P4/2N2N2/PPP3PP/R1BQKB1R w KQkq - 0 6- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 2 | |
| 1500-1999 | 16 | |
| 2000+ | 6 | |
| All | 24 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. d5 | 15 (63%) | |
| 6. Bb5+ | 2 (8%) | |
| 6. Bd3 | 2 (8%) | |
| 6. Be3 | 2 (8%) | |
| 6. dxc5 | 1 (4%) | |
| 6. Bf4 | 1 (4%) | |
| 6. Bc4 | 1 (4%) |
Master games
7 over-the-board games are classified under this line (White 57%, draw 14%, Black 29%). The strongest:
- IM Kevin Terrieux (2448) – FM Florian Daeschler (2219) 1/2-1/2 · Titled Tue 28th Jun Early · 2022-06-28
- IM Shamil Arslanov (2410) – CM Juan Jose Taylor Rodriguez (2152) 1-0 · 1st 3-0 Thu 12th Mar 2026 · 2026-03-12
- IM Shamil Arslanov (2410) – CM Evsuld Myagmarsuren (2090) 1-0 · Titled Tue 2nd Apr Early · 2024-04-02
- IM Shamil Arslanov (2410) – CM Kumaresh A (2048) 1-0 · Titled Tue 19th Nov Early · 2024-11-19
- IM Shamil Arslanov (2410) – CM Luong Vu Nguyen (2003) 1-0 · 1st 3-0 Thu 18th Dec 2025 · 2025-12-18
Search all games of the Blackmar-Diemer Gambit Accepted: Kaulich Defense and its sub-variations
Highest-rated Lichess games
- rusert13 (2477) – Poljakov (2471) 1-0 · 2026-09-04 · 180 + 2s
- mib83 (2126) – chufiyvjycutftuvtu (2113) 0-1 · 2026-09-02 · 180 + 2s
- oelilpnk (2107) – Quazorx (2095) 0-1 · 2026-09-05 · 600 + 0s
Comes from
Blackmar-Diemer Gambit Accepted 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3
More Blackmar-Diemer Gambit Accepted lines (all)
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Studier Attack D00
- Blackmar-Diemer Gambit Accepted: Euwe Defense D00
- Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit D00
- Blackmar-Diemer Gambit Accepted: Euwe Defense, Zilbermints Gambit D00
- Blackmar-Diemer Gambit Accepted: Gunderam Defense D00
- Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation D00
- Blackmar-Diemer Gambit Accepted: Holwell Defense D00
- Blackmar-Diemer Gambit Accepted: Pietrowsky 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.