Queen's Gambit Declined: Orthodox Defense, Main Line (6… Nbd7 7. Rc1)
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1
The Queen's Gambit Declined: Orthodox Defense, Main Line is a chess opening classified as ECO D63, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1. It is a line of the Queen's Gambit Declined. Black is to move. 2 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 8 times by this move order. White won 63%, -1% were drawn and Black won 38%. The most popular continuation is 7… c6 (38% of games).
Engine evaluation: +0.10 (Stockfish, depth 48; best line 7… dxc4 8. Bxc4 a6 9. a4 c5 10. O-O)
- ECO
- D63
- Moves
- 13 plies
- FEN
r1bq1rk1/pppnbppp/4pn2/3p2B1/2PP4/2N1PN2/PP3PPP/2RQKB1R b K - 2 7- PGN
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 2 | |
| 2000+ | 6 | |
| All | 8 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 7… c6 Orthodox Defense, Main Line (7. Rc1 c6) | 3 (38%) | |
| 7… a6 Orthodox Defense, Henneberger Variation (7. Rc1 a6) | 2 (25%) | |
| 7… h6 | 2 (25%) | |
| 7… b6 | 1 (13%) |
Master games
36 over-the-board games are classified under this line (White 47%, draw 28%, Black 25%). The strongest:
- GM Teimour Radjabov (2765) – GM Sergey Karjakin (2752) 1-0 · Skilling Open Prelim · 2020-11-24
- GM Quang Liem Le (2709) – GM Levon Aronian (2781) 0-1 · Skilling Open Prelim · 2020-11-22
- GM Andreas Heimann (2606) – GM Jan-Christian Schroeder (2568) 0-1 · Hobbits Invitational 2021 · 2021-02-21
- GM Kamil Miton (2624) – GM Pawel Jaracz (2527) 1/2-1/2 · 14th Euro Indiv 2013 · 2013-05-07
- GM Sergey Volkov (2613) – GM Suri Vaibhav (2535) 1-0 · 20th Abu Dhabi Masters 2013 · 2013-07-03
Search all games of the Queen's Gambit Declined: Orthodox Defense, Main Line and its sub-variations
Highest-rated Lichess games
- Montibasto (2385) – Maestro_del_Ajedrez (2278) 0-1 · 2026-09-06 · 180 + 2s
- MeyerFrank (2282) – e4_d5_cxd5 (2201) 1-0 · 2026-09-03 · 300 + 0s
- Fueguino (2197) – Schachbrettreiniger (2212) 1-0 · 2026-09-02 · 180 + 2s
Comes from
Queen's Gambit Declined: Orthodox Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7
Continuations
- Queen's Gambit Declined: Orthodox Defense, Henneberger Variation (7. Rc1 a6) D63 · 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6
- Queen's Gambit Declined: Orthodox Defense, Main Line (7. Rc1 c6) D63 · 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6
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: Marshall Defense D06
- Queen's Gambit Declined: Marshall Defense, Tan Gambit D06
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.