Nimzo-Indian Defense: Rubinstein System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
4… O-O+0.10
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Nimzo-Indian Defense: Rubinstein System (E40), reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3, Stockfish 18 recommends 4… O-O for Black. The position is roughly equal (+0.10).
Top engine moves
- +0.104… O-O 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 8. Ne5 Bxc3 9. Bxc3
- +0.154… d5 5. Qa4+ Nc6 6. Bd2 dxc4 7. Bxc4 O-O 8. Nf3 Bd6 9. Nb5
- +0.164… c5 5. Bd3 d5 6. cxd5 exd5 7. Ne2 O-O 8. a3 Bxc3+ 9. bxc3
Other move orders
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5
Variations
Frequently asked questions
What is the best move in the Nimzo-Indian Defense: Rubinstein System?
After 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3, Stockfish 18 at depth 18 recommends 4… O-O for Black, continuing 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 8. Ne5 Bxc3 9. Bxc3. The position is roughly equal (+0.10). The next best moves are 4… d5 (+0.15) and 4… c5 (+0.16).
Is the Nimzo-Indian Defense: Rubinstein System a good opening?
Stockfish rates the position at +0.10: 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: Rubinstein System?
E40. 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+).