Marienbad System
1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5
5. O-O+0.26
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Marienbad System (A47), reached after 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5, Stockfish 18 recommends 5. O-O for White. The position is roughly equal (+0.26).
Top engine moves
- +0.265. O-O e6 6. c4 cxd4 7. Qxd4 Nc6 8. Qf4 Ne7 9. Nc3 Rc8
- +0.255. dxc5 bxc5 6. O-O g6 7. c4 Bg7 8. Nc3 O-O 9. Qd3 Nc6
- +0.195. c4 cxd4 6. Qxd4 Nc6 7. Qd1 Ne5 8. b3 e6 9. O-O Nxf3+
All Marienbad System variations (1)
Frequently asked questions
What is the best move in the Marienbad System?
After 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5, Stockfish 18 at depth 18 recommends 5. O-O for White, continuing e6 6. c4 cxd4 7. Qxd4 Nc6 8. Qf4 Ne7 9. Nc3 Rc8. The position is roughly equal (+0.26). The next best moves are 5. dxc5 (+0.25) and 5. c4 (+0.19).
Is the Marienbad System a good opening?
Stockfish rates the position at +0.26: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Marienbad System?
A47. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.
Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).