Marienbad System: Berg Variation
1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4
The Marienbad System: Berg Variation is a chess opening classified as ECO A47, reached after 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4. It is a line of the Marienbad System. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 1 times by this move order. White won 0%, 0% were drawn and Black won 100%. The most popular continuation is 6… Nc6 (100% of games).
Engine evaluation: +0.06 (Stockfish, depth 32; best line 6… Nc6 7. Qd1 Rc8 8. O-O e6 9. b3)
- ECO
- A47
- Moves
- 11 plies
- FEN
rn1qkb1r/pb1ppppp/1p3n2/8/2PQ4/5NP1/PP2PPBP/RNB1K2R b KQkq - 0 6- PGN
1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 2000+ | 1 | |
| All | 1 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6… Nc6 | 1 (100%) |
Master games
45 over-the-board games are classified under this line (White 36%, draw 26%, Black 38%). The strongest:
- GM Laurent Fressinet (2700) – GM Shakhriyar Mamedyarov (2747) 0-1 · IMSA Basque 2016 · 2016-03-03
- GM Nikita Meshkovs (2557) – GM Igor Kovalenko (2668) 0-1 · Lindores Abbey Tal Mem · 2021-11-08
- GM Pia Cramling (2449) – GM Varuzhan Akobian (2647) 1/2-1/2 · Gibraltar Masters 2018 · 2018-02-01
- GM Wenjun Ju (2560) – GM Yan Liu (2530) 0-1 · ch-CHN Rapid 2022 · 2022-08-26
- GM Emilio Cordova (2592) – GM Brandon Jacobson (2487) 1-0 · US Collegiate Blitz 2020 · 2020-09-27
Search all games of the Marienbad System: Berg Variation and its sub-variations
Highest-rated Lichess games
- Kim72 (2201) – TereVientoamigo (2141) 0-1 · 2026-09-01 · 300 + 0s
Comes from
Marienbad System 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5
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.