E23

Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation

Chess diagram: Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation after 7…Nxc5

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Statistics from Lichess

622 games: White 55.9% / Draw 6.3% / Black 37.8%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
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Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 27, 2026

Engine evaluation

+0.42 White is slightly better

Best play: 8. Qc2 O-O 9. a3 Bxc3 10. Bxc3 a5 11. e3 a4 12. Rd1 b6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation (ECO E23, Indian Defenses) is a variation of the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit, reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 (7 moves).

In 622 rated Lichess games between players rated 1600 to 2500, White won 55.9%, Black 37.8% and 6.3% were drawn. White's most played move here is 8. Qc2, in 96% of those games.

It continues into one named variation.

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Variations (1)

Cite this page

Caissa Codex. “Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation (E23)”. Lichess data as of 27 Oct 2026. https://chesscodex.org/openings/nimzo-indian-defense-spielmann-variation-stahlberg-variation