Queen's Gambit Declined: Marshall Defense, Tan Gambit
1. d4 d5 2. c4 Nf6 3. cxd5 c6
The Queen's Gambit Declined: Marshall Defense, Tan Gambit is a chess opening classified as ECO D06, reached after 1. d4 d5 2. c4 Nf6 3. cxd5 c6. It is a line of the Queen's Gambit Declined. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 192 times by this move order. White won 48%, 8% were drawn and Black won 44%. The most popular continuation is 4. dxc6 (85% of games).
Engine evaluation: +0.50 (Stockfish, depth 55; best line 4. dxc6 Nxc6 5. Nf3 e5 6. dxe5 Qxd1+)
- ECO
- D06
- Moves
- 6 plies
- FEN
rnbqkb1r/pp2pppp/2p2n2/3P4/3P4/8/PP2PPPP/RNBQKBNR w KQkq - 0 4- PGN
1. d4 d5 2. c4 Nf6 3. cxd5 c6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 19 | |
| 1500-1999 | 97 | |
| 2000+ | 76 | |
| All | 192 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4. dxc6 | 163 (85%) | |
| 4. Nc3 | 17 (9%) | |
| 4. Nf3 | 9 (5%) | |
| 4. g3 | 1 (1%) | |
| 4. e4 | 1 (1%) |
Master games
30 over-the-board games are classified under this line (White 63%, draw 24%, Black 13%). The strongest:
- GM Dmitry Andreikin (2724) – FM Pedro Ramon Martinez Reyes (2406) 1-0 · Titled Tuesday 7th Dec · 2021-12-07
- GM Christopher Woojin Yoo (2607) – FM Moritz Weishaeutel (2402) 1-0 · Titled Tue 7th Jul 2026 · 2026-07-07
- GM Benjamin Bok (2560) – FM Moritz Weishaeutel (2402) 1-0 · Titled Tue 15th Sep 2026 · 2026-09-15
- GM Sergey Drygalov (2530) – FM Moritz Weishaeutel (2402) 1-0 · Titled Tue 4th Aug 2026 · 2026-08-04
- GM Sergey Drygalov (2530) – FM Moritz Weishaeutel (2402) 1-0 · Titled Tue 28th Jul 2026 · 2026-07-28
Search all games of the Queen's Gambit Declined: Marshall Defense, Tan Gambit and its sub-variations
Highest-rated Lichess games
- Rykkard (2576) – Avicii1995 (2497) 1-0 · 2026-09-01 · 180 + 0s
- CM The_chess_child (2597) – tkptm7723 (2423) 1-0 · 2026-09-04 · 180 + 2s
- maxiboks (2609) – tkptm7723 (2396) 1-0 · 2026-09-05 · 180 + 2s
Comes from
Queen's Gambit Declined: Marshall Defense 1. d4 d5 2. c4 Nf6
More Queen's Gambit Declined lines (all)
- Queen's Gambit Declined: Baltic Defense, Pseudo-Slav D02
- Queen's Gambit Declined: Austrian Attack, Salvio Countergambit D06
- Queen's Gambit Declined: Austrian Defense D06
- Queen's Gambit Declined: Austrian Defense, Gusev Countergambit D06
- Queen's Gambit Declined: Austrian Defense, Haberditz Variation D06
- Queen's Gambit Declined: Baltic Defense D06
- Queen's Gambit Declined: Baltic Defense, Argentinian Gambit D06
- Queen's Gambit Declined: Baltic Defense, Pseudo-Chigorin D06
- Queen's Gambit Declined: Baltic Defense, Queen Attack D06
- Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred D06
- Queen's Gambit Declined: Zilbermints Gambit D06
- Queen's Gambit Declined: Chigorin Defense (2. c4 Nc6) D07
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.