Nimzo-Indian Defense: Normal Variation, Botvinnik System

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3

Nimzo-Indian Defense: Normal Variation, Botvinnik System after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 87654321abcdefgh

The Nimzo-Indian Defense: Normal Variation, Botvinnik System is a chess opening classified as ECO E49, reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3. It is a line of the Nimzo-Indian Defense. Black is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 86 times by this move order. White won 52%, 5% were drawn and Black won 43%. The most popular continuation is 7… dxc4 (62% of games).

Engine evaluation: +0.11 (Stockfish, depth 48; best line 7… dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Be2)

ECO
E49
Moves
13 plies
FEN
rnbq1rk1/ppp2ppp/4pn2/3p4/2PP4/P1PBP3/5PPP/R1BQK1NR b KQ - 0 7
PGN
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
1500-1999683%17%
2000+8050%45%
All8652%43%

Most played moves

MoveGamesWhite / draw / Black
7… dxc453 (62%)53%45%
7… c523 (27%)43%48%
7… b65 (6%)80%20%
7… c62 (2%)50%50%
7… Re81 (1%)100%
7… e51 (1%)100%
7… Nbd71 (1%)100%

Master games

2,238 over-the-board games are classified under this line (White 43%, draw 29%, Black 28%). The strongest:

Search all games of the Nimzo-Indian Defense: Normal Variation, Botvinnik System and its sub-variations

Highest-rated Lichess games

Comes from

Nimzo-Indian Defense: Normal Variation, Classical Defense 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5

Continuations

More Nimzo-Indian Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.