Nimzo-Indian Defense: Classical Variation, Berlin Variation (6. Nf3 c5)

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5

Nimzo-Indian Defense: Classical Variation, Berlin Variation after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5 87654321abcdefgh

The Nimzo-Indian Defense: Classical Variation, Berlin Variation is a chess opening classified as ECO E38, reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5. It is a line of the Nimzo-Indian Defense. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 9 times by this move order. White won 56%, 0% were drawn and Black won 44%. The most popular continuation is 7. a3 (44% of games).

Engine evaluation: 0.00 (Stockfish, depth 50; best line 7. a3 Bxc3+ 8. bxc3 Nc6 9. Be2 Na5)

ECO
E38
Moves
12 plies
FEN
rnbq1rk1/pp3ppp/4pn2/2pp4/1bPP4/2N1PN2/PPQ2PPP/R1B1KB1R w KQ - 0 7
PGN
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5

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

Results by rating

Average ratingGamesWhite / draw / Black
1500-1999250%50%
2000+757%43%
All956%44%

Most played moves

MoveGamesWhite / draw / Black
7. a34 (44%)75%25%
7. Bd33 (33%)67%33%
7. cxd51 (11%)100%
7. Be21 (11%)100%

Master games

12 over-the-board games are classified under this line (White 25%, draw 25%, Black 50%). The strongest:

Search all games of the Nimzo-Indian Defense: Classical Variation, Berlin Variation and its sub-variations

Highest-rated Lichess games

Comes from

Nimzo-Indian Defense: Classical Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2

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.