Openings · E34

Nimzo-Indian Defense: Classical Variation, Noa Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5

434 master games · White 26% · Draws 53% · Black 21%

ECO code
E34
Moves
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5
Family
Nimzo-Indian Defense
To move
White
Master games
434
Average game length
42 moves
Years covered
1926–2026

Nimzo-Indian Defense: Classical Variation, Noa Variation is the opening filed under ECO code E34, reached after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5. It belongs to the Nimzo-Indian Defense family and is known as the Classical Variation, Noa Variation; in the resulting position it is White to move.

Katuranga's collection of 138,070 master games contains 434 games on this line — the 237th most played opening in the collection. The oldest game on this line is from 1926 and the most recent from 2026. The busiest decade in this collection is the 2020s, with 115 games. An average game here lasts 42 moves.

White wins 26% of those games, 53% end in a draw, and Black wins 21%. Compared with the collection average (White 37%, draws 35%, Black 28%), Black scores worse here by 7 percentage points. Draws are more common here than usual, by 18 points.

From this position the most popular move is 5.cxd5, played in 271 games, followed by 5.a3 (138) and 5.Nf3 (14). After 5.cxd5 White scores 30% and Black 17%.

The name that appears most often on the White side of this line is Mamedyarov,S (46 games); on the Black side, Karjakin,Sergey (33).

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Results in master games

  • White 26% (115)
  • Draws 53% (227)
  • Black 21% (92)

Most played continuations

MoveGames White / draws / BlackLeads into
5.cxd5 271 30/53/17 —
5.a3 138 22/50/28 —
5.Nf3 14 7/50/43 —
5.e3 8 13/62/25 —
5.Bg5 3 0/100/0 —

How the position is reached

Played most often by

As White

  • Mamedyarov,S 46
  • Karpov,Ana 22
  • So,W 17

As Black

  • Karjakin,Sergey 33
  • Carlsen,M 27
  • Anand,V 19

Games per decade

  • 1920s 18
  • 1930s 40
  • 1940s 15
  • 1950s 7
  • 1960s 7
  • 1970s 4
  • 1980s 13
  • 1990s 35
  • 2000s 89
  • 2010s 91
  • 2020s 115

Master games on this line

WhiteBlack ResultYearEvents
Firouzja,AlirezaGukesh,D 1/2-1/22026 GCT Super Rapid Croatia
Fedoseev,Vl3Gukesh,D 0-12026 88th Tata Steel Masters
Ivanchuk,VXu,Xiangyu 1/2-1/22026 FIDE World Rapid Team
Ivanchuk,VShort,N 1/2-1/22026 FIDE World Bl Team Pool D
So,WSevian,Samuel 1/2-1/22025 ch-USA 2025
Erigaisi,ArjunLeko,P 1-02025 FIDE World Cup 2025

Frequently asked questions

What is the Nimzo-Indian Defense: Classical Variation, Noa Variation?

It is the opening with ECO code E34, reached after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5. It belongs to the Nimzo-Indian Defense family.

Is the Nimzo-Indian Defense: Classical Variation, Noa Variation good for White or for Black?

In 434 master games on this line White wins 26%, 53% are drawn and Black wins 21%. The collection average is White 37%, draws 35%, Black 28% — so this line is no worse than usual for White than the field as a whole.

What is the main continuation of the Nimzo-Indian Defense: Classical Variation, Noa Variation?

5.cxd5 — played in 271 of the master games on this line.

Which grandmasters play the Nimzo-Indian Defense: Classical Variation, Noa Variation?

On the White side Mamedyarov,S (46), Karpov,Ana (22), So,W (17); on the Black side Karjakin,Sergey (33), Carlsen,M (27), Anand,V (19).

Every number on this page is computed from Katuranga's master game collection; names and ECO codes follow the lichess opening book (CC0).

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