Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5
5… d6−0.21
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation (E21), reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5, Stockfish 18 recommends 5… d6 for Black. The position is roughly equal (−0.21).
Top engine moves
- −0.215… d6 6. Bd2 Bxc3 7. Bxc3 exd5 8. cxd5 O-O 9. e3 Nbd7 10. Bd3
- −0.135… Bxc3+ 6. bxc3 d6 7. Bg5 O-O 8. e3 h6 9. Bh4 Re8 10. Bd3
- −0.095… O-O 6. g3 Bxc3+ 7. bxc3 Qa5 8. Bb2 b5 9. dxe6 dxe6 10. Bg2
Frequently asked questions
What is the best move in the Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation?
After 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5, Stockfish 18 at depth 18 recommends 5… d6 for Black, continuing 6. Bd2 Bxc3 7. Bxc3 exd5 8. cxd5 O-O 9. e3 Nbd7 10. Bd3. The position is roughly equal (−0.21). The next best moves are 5… Bxc3+ (−0.13) and 5… O-O (−0.09).
Is the Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation a good opening?
Stockfish rates the position at −0.21: 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 Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation?
E21. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.
Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).