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Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit

5.8K games from Lichess · Updated January 2026

Tough Sell
Black Expected Score48.7%Range (90% confident): 47.6% – 49.8%Based on 5.8K games
0%48.7%100%
Range (90% confident): 47.6% – 49.8%
Outcome Distribution
45.7%6.0%48.4%
Win
Draw
Loss
5...Nc6
Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit
Analyzen=5.8K
Avg Length37 moves
Sharpness94%
Draw Rate6.0%

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit expected score for Black?

Snapshot

At all ratings, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 48.7% expected score for Black (we're 90% confident it's between 47.6% and 49.8%), based on 5.8K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointBlack

Peak: +0.4% · Breakpoint: 1400-1599

Time-Control Swing

Max swing: 10.4% · Bullet best · Rapid worst

Black Win% by Rating

Declines with rating: 64% → 39%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 63.6% win rate (4 games)
  • 1000-1199: 57.9% win rate (8 games)
  • 1200-1399: 74.6% win rate (30 games)
  • 1400-1599: 55.3% win rate (106 games)
  • 1600-1799: 56.6% win rate (268 games)
  • 1800-1999: 49.8% win rate (795 games)
  • 2000-2199: 46.9% win rate (1,732 games)
  • 2200-2499: 43.1% win rate (2,082 games)
  • 2500+: 38.8% win rate (740 games)

Black Win% by Time Control

Best in Rapid (54%), worst in Blitz (45%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 45.6% win rate (1,862 games)
  • Blitz: 44.8% win rate (3,522 games)
  • Rapid: 54.2% win rate (361 games)
  • Classical: 53.5% win rate (20 games)

Black% by Rating × Time Control

Click any cell to filter. Green = above 50%, Red = below 50%.

RatingUBBulleBlitzRapidClass
0-999——
1000-1199——
1200-1399——
1400-1599—
1600-1799—
1800-1999—
2000-2199——
2200-2499—
2500+——

Expected score matrix by rating bracket and time control

  • 0-999 rating, Bullet: 70.0% expected score (1 games)
  • 0-999 rating, Blitz: 50.0% expected score (2 games)
  • 0-999 rating, Rapid: 70.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 38.9% expected score (3 games)
  • 1000-1199 rating, Blitz: 68.2% expected score (4 games)
  • 1000-1199 rating, Rapid: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 63.4% expected score (6 games)
  • 1200-1399 rating, Blitz: 79.8% expected score (17 games)
  • 1200-1399 rating, Rapid: 67.7% expected score (7 games)
  • 1400-1599 rating, Bullet: 51.8% expected score (27 games)
  • 1400-1599 rating, Blitz: 53.6% expected score (55 games)
  • 1400-1599 rating, Rapid: 62.8% expected score (22 games)
  • 1400-1599 rating, Classical: 78.6% expected score (2 games)
  • 1600-1799 rating, Bullet: 55.7% expected score (69 games)
  • 1600-1799 rating, Blitz: 56.6% expected score (150 games)
  • 1600-1799 rating, Rapid: 65.4% expected score (44 games)
  • 1600-1799 rating, Classical: 73.1% expected score (5 games)
  • 1800-1999 rating, Bullet: 50.9% expected score (174 games)
  • 1800-1999 rating, Blitz: 51.3% expected score (527 games)
  • 1800-1999 rating, Rapid: 62.6% expected score (82 games)
  • 1800-1999 rating, Classical: 53.7% expected score (12 games)
  • 2000-2199 rating, Bullet: 48.0% expected score (455 games)
  • 2000-2199 rating, Blitz: 50.0% expected score (1,155 games)
  • 2000-2199 rating, Rapid: 48.8% expected score (122 games)
  • 2200-2499 rating, Bullet: 48.5% expected score (635 games)
  • 2200-2499 rating, Blitz: 45.3% expected score (1,369 games)
  • 2200-2499 rating, Rapid: 53.8% expected score (77 games)
  • 2200-2499 rating, Classical: 30.0% expected score (1 games)
  • 2500+ rating, Bullet: 44.8% expected score (492 games)
  • 2500+ rating, Blitz: 38.2% expected score (243 games)
  • 2500+ rating, Rapid: 88.5% expected score (5 games)

Related Openings

Parent
Nimzo-Indian Defense
48.4%
Variations (5)
Nimzo-Indian Defense: Three Knights Variation
50.0%
Nimzo-Indian Defense: Leningrad Variation
48.8%
Nimzo-Indian Defense: Classical Variation
50.5%
Nimzo-Indian Defense: Sämisch Variation
49.5%
Nimzo-Indian Defense: Kmoch Variation
51.8%
Analyze Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate?

The Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 48.4% (90% CI: 47.3%-49.4%) win rate for white, based on 5.8K rated games from Lichess.

At what rating does the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit perform best?

The Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit performs best at 2500+ Elo with a 52.8% win rate for white (740 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit better in blitz or rapid?

Bullet (49.7%) outperforms Rapid (39.3%) by 10.4%. Choose your time control wisely.

How sharp is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit?

The Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a sharpness score of 94.0 (decisive), meaning 94.0% of games end decisively. Average game length is 37 moves.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 43.3% (90% CI: 35.5%-51.2%) win rate for white, based on 106 Lichess games. Average game length is 30 moves with a 1.4% draw rate.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 39.9% (90% CI: 35.0%-44.8%) win rate for white, based on 268 Lichess games. Average game length is 30 moves with a 3.5% draw rate.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 44.9% (90% CI: 42.0%-47.8%) win rate for white, based on 795 Lichess games. Average game length is 34 moves with a 5.3% draw rate.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 48.2% (90% CI: 46.2%-50.2%) win rate for white, based on 1.7K Lichess games. Average game length is 36 moves with a 4.9% draw rate.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 50.0% (90% CI: 48.2%-51.8%) win rate for white, based on 2.1K Lichess games. Average game length is 38 moves with a 6.9% draw rate.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate at 2500+ Elo?

At 2500+ Elo, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 52.8% (90% CI: 49.8%-55.8%) win rate for white, based on 740 Lichess games. Average game length is 41 moves with a 8.4% draw rate.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate in Bullet?

In Bullet games, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 49.7% (90% CI: 47.8%-51.6%) win rate for white (1.9K Lichess games). Draw rate is 4.7%.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate in Blitz?

In Blitz games, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 48.7% (90% CI: 47.3%-50.1%) win rate for white (3.5K Lichess games). Draw rate is 6.5%.

What is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit win rate in Rapid?

In Rapid games, the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit has a 39.3% (90% CI: 35.1%-43.6%) win rate for white (361 Lichess games). Draw rate is 6.5%.

Is the Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit a good opening?

The Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit is statistically balanced with a 48.4% (90% CI: 47.3%-49.4%) win rate across all ratings. It performs best at 2500+ Elo. Your results depend on your rating, time control, and how well you know the typical plans.