Nimzo-Indian Defense: Classical Variation, Noa Variation, San Remo Variation (E37)

The Classical Variation, Noa Variation, San Remo Variation is a variation of the Nimzo-Indian Defense, catalogued as ECO E37. The line runs 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5, reaching the position shown below after 16 half-moves.

Both sides have pawns in the centre (White on d4, Black on d5 and e5), and two pawn captures are available, so the structure is still fluid. Black is ahead in development, with three minor pieces out to White's one. It is White to move after eight moves. White has the bishop pair.

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

You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.

Nimzo-Indian Defense: Classical Variation, Noa Variation, San Remo Variation — position after e5 h1g2f3e4d5c6b7a8
Position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5

Move order

#WhiteBlack
1d4Nf6
2c4e6
3Nc3Bb4
4Qc2d5
5a3Bxc3+
6Qxc3Ne4
7Qc2Nc6
8e3e5

ECO: E37

Stockfish: +0.60 at depth 18

Practice this line free →

Position characteristics

Related Nimzo-Indian Defense lines

Frequently asked questions

What are the moves of the Classical Variation, Noa Variation, San Remo Variation?

The Classical Variation, Noa Variation, San Remo Variation goes 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5. It is a variation of the Nimzo-Indian Defense and is catalogued as ECO E37.

What is the ECO code for the Classical Variation, Noa Variation, San Remo Variation?

The Classical Variation, Noa Variation, San Remo Variation is ECO E37. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Nimzo-Indian Defense.

Is the Classical Variation, Noa Variation, San Remo Variation good for Black?

Stockfish evaluates the position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5 at +0.60 at depth 18, which is a slight pull for White, within normal opening margins. 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 Classical Variation, Noa Variation, San Remo Variation lead to?

Both sides have pawns in the centre (White on d4, Black on d5 and e5), and two pawn captures are available, so the structure is still fluid. Black is ahead in development, with three minor pieces out to White's one. It is White to move. White has the bishop pair.