Nimzo-Indian Defense: Normal Variation, Sämisch Deferred (E51)

The Normal Variation, Sämisch Deferred is a variation of the Nimzo-Indian Defense, catalogued as ECO E51. The line runs 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3, reaching the position shown below after 11 half-moves.

Both sides have pawns in the centre (White on d4, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each. It is Black to move after six moves. Black has castled while White’s king is still uncommitted.

On the Nimzo-Indian Defense generally: One of the most respected defenses to 1.d4. Black pins the knight and fights for central control.

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Nimzo-Indian Defense: Normal Variation, Sämisch Deferred — position after a3 a8b7c6d5e4f3g2h1
Position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3

Move order

#WhiteBlack
1d4Nf6
2c4e6
3Nc3Bb4
4e3O-O
5Nf3d5
6a3

ECO: E51

Stockfish: -0.02 at depth 18

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Position characteristics

Related Nimzo-Indian Defense lines

Frequently asked questions

What are the moves of the Normal Variation, Sämisch Deferred?

The Normal Variation, Sämisch Deferred goes 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3. It is a variation of the Nimzo-Indian Defense and is catalogued as ECO E51.

What is the ECO code for the Normal Variation, Sämisch Deferred?

The Normal Variation, Sämisch Deferred is ECO E51. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Nimzo-Indian Defense.

Is the Normal Variation, Sämisch Deferred good for White?

Stockfish evaluates the position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3 at -0.02 at depth 18, which is balanced. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.

What kind of position does the Normal Variation, Sämisch Deferred lead to?

Both sides have pawns in the centre (White on d4, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each. It is Black to move. Black has castled while White’s king is still uncommitted.