Grünfeld Defense: Three Knights Variation, Petrosian System
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5
5… Ne4+0.18
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Grünfeld Defense: Three Knights Variation, Petrosian System (D91), reached after 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5, Stockfish 18 recommends 5… Ne4 for Black. The position is roughly equal (+0.18).
Top engine moves
- +0.185… Ne4 6. Bf4 Nxc3 7. bxc3 O-O 8. e3 c5 9. cxd5 cxd4 10. cxd4
- +0.455… c5 6. dxc5 Be6 7. Nd4 Nc6 8. Bxf6 Bxf6 9. Nxe6 fxe6 10. cxd5
- +0.495… c6 6. cxd5 cxd5 7. e3 Ne4 8. Nxe4 dxe4 9. Nd2 Qa5 10. Bh4
Frequently asked questions
What is the best move in the Grünfeld Defense: Three Knights Variation, Petrosian System?
After 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5, Stockfish 18 at depth 18 recommends 5… Ne4 for Black, continuing 6. Bf4 Nxc3 7. bxc3 O-O 8. e3 c5 9. cxd5 cxd4 10. cxd4. The position is roughly equal (+0.18). The next best moves are 5… c5 (+0.45) and 5… c6 (+0.49).
Is the Grünfeld Defense: Three Knights Variation, Petrosian System a good opening?
Stockfish rates the position at +0.18: 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 Grünfeld Defense: Three Knights Variation, Petrosian System?
D91. ECO codes classify chess openings from A00 to E99; D is the volume for closed and semi-closed games.
Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).