Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6

Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 87654321abcdefgh

The Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit is a chess opening classified as ECO E23, reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6. It is a line of the Nimzo-Indian Defense. White is to move. 2 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 43 times by this move order. White won 42%, 9% were drawn and Black won 49%. The most popular continuation is 6. Nf3 (63% of games).

Engine evaluation: 0.00 (Stockfish, depth 60; best line 6. Nf3 O-O 7. a3 Bxc5 8. Bg5 h6)

ECO
E23
Moves
10 plies
FEN
r1bqk2r/pp1p1ppp/2n1pn2/2P5/1bP5/1QN5/PP2PPPP/R1B1KBNR w KQkq - 1 6
PGN
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6

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Results by rating

Average ratingGamesWhite / draw / Black
0-14991100%
1500-19991346%54%
2000+2941%14%45%
All4342%49%

Most played moves

MoveGamesWhite / draw / Black
6. Nf327 (63%)44%48%
6. e38 (19%)38%24%38%
6. Bg53 (7%)33%67%
6. a33 (7%)67%33%
6. Bd21 (2%)100%
6. g31 (2%)100%

Master games

92 over-the-board games are classified under this line (White 35%, draw 20%, Black 45%). The strongest:

Search all games of the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit and its sub-variations

Highest-rated Lichess games

Comes from

Nimzo-Indian Defense: Spielmann Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3

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.