Queen's Gambit Declined: Neo-Orthodox Variation (6. e3 h6)
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6
The Queen's Gambit Declined: Neo-Orthodox Variation is a chess opening classified as ECO D55, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6. It is a line of the Queen's Gambit Declined. White is to move. 1 named line continues from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 35 times by this move order. White won 46%, 14% were drawn and Black won 40%. The most popular continuation is 7. Bh4 (80% of games).
Engine evaluation: 0.00 (Stockfish, depth 55; best line 7. Bxf6 Bxf6 8. Rc1 c6 9. h4 g6)
- ECO
- D55
- Moves
- 12 plies
- FEN
rnbq1rk1/ppp1bpp1/4pn1p/3p2B1/2PP4/2N1PN2/PP3PPP/R2QKB1R w KQ - 0 7- PGN
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 5 | |
| 2000+ | 30 | |
| All | 35 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 7. Bh4 | 28 (80%) | |
| 7. Bxf6 Anti-Tartakower Variation | 6 (17%) | |
| 7. Bf4 | 1 (3%) |
Master games
278 over-the-board games are classified under this line (White 37%, draw 32%, Black 31%). The strongest:
- GM Magnus Carlsen (2872) – GM Vladislav Kovalev (2660) 1-0 · 82nd Tata Steel GpA · 2020-01-22
- GM Etienne Bacrot (2723) – GM Lazaro Bruzon Batista (2699) 1-0 · TCh-ESP CECLUB Honor 2013 · 2013-09-14
- GM Vladimir Fedoseev (2678) – GM Andrey Esipenko (2682) 1-0 · Titled Tuesday 22nd Sept · 2020-09-22
- GM Denis Lazavik (2541) – GM Ian Nepomniachtchi (2793) 0-1 · Airthings Masters Play-In · 2023-02-03
- GM Anton Korobov (2705) – GM Zbynek Hracek (2628) 1/2-1/2 · 14th Euro Indiv 2013 · 2013-05-08
Search all games of the Queen's Gambit Declined: Neo-Orthodox Variation and its sub-variations
Highest-rated Lichess games
- JAGMM (2640) – Abatronic (2514) 1-0 · 2026-09-04 · 180 + 2s
- JAGMM (2641) – ScalelessStockfish (2416) 0-1 · 2026-09-03 · 180 + 2s
- laki9 (2382) – Linbay (2412) 1-0 · 2026-09-02 · 180 + 0s
Comes from
Queen's Gambit Declined: Modern Variation, Normal Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3
Continuations
- Queen's Gambit Declined: Anti-Tartakower Variation D55 · 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bxf6
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.