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Sicilian Defense: Nimzo-American Variation

135K games from Lichess · Updated January 2026

Playable
Black Expected Score48.7%Range (90% confident): 48.5% – 48.9%Based on 135K games
0%48.7%100%
Range (90% confident): 48.5% – 48.9%
Outcome Distribution
45.9%5.7%48.5%
Win
Draw
Loss
4...d5
Sicilian Defense: Nimzo-American Variation
Analyzen=135K
Avg Length36 moves
Sharpness94%
Draw Rate5.7%

What is the Sicilian Defense: Nimzo-American Variation expected score for Black?

Snapshot

At all ratings, the Sicilian Defense: Nimzo-American Variation has a 48.7% expected score for Black (we're 90% confident it's between 48.5% and 48.9%), based on 135K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Traps & Chaos

Complexity: 92.0 · Trap factor: +19.3 · n=135K

Black Win% by Rating

Declines with rating: 47% → 45%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 46.7% win rate (689 games)
  • 1000-1199: 43.3% win rate (1,950 games)
  • 1200-1399: 44.3% win rate (5,105 games)
  • 1400-1599: 45.6% win rate (14,218 games)
  • 1600-1799: 45.9% win rate (27,756 games)
  • 1800-1999: 45.6% win rate (38,920 games)
  • 2000-2199: 46.3% win rate (29,351 games)
  • 2200-2499: 46.8% win rate (14,842 games)
  • 2500+: 44.7% win rate (1,947 games)

Black Win% by Time Control

Best in Bullet (48%), worst in Classical (40%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 46.7% win rate (111 games)
  • Bullet: 47.5% win rate (58,798 games)
  • Blitz: 45.1% win rate (66,352 games)
  • Rapid: 41.2% win rate (9,221 games)
  • Classical: 39.5% win rate (296 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, UltraBullet: 70.0% expected score (1 games)
  • 0-999 rating, Bullet: 45.0% expected score (279 games)
  • 0-999 rating, Blitz: 52.7% expected score (334 games)
  • 0-999 rating, Rapid: 38.9% expected score (75 games)
  • 1000-1199 rating, UltraBullet: 50.0% expected score (2 games)
  • 1000-1199 rating, Bullet: 46.3% expected score (707 games)
  • 1000-1199 rating, Blitz: 44.4% expected score (980 games)
  • 1000-1199 rating, Rapid: 42.2% expected score (259 games)
  • 1000-1199 rating, Classical: 50.0% expected score (2 games)
  • 1200-1399 rating, UltraBullet: 54.0% expected score (11 games)
  • 1200-1399 rating, Bullet: 47.8% expected score (2,150 games)
  • 1200-1399 rating, Blitz: 45.3% expected score (2,276 games)
  • 1200-1399 rating, Rapid: 43.0% expected score (656 games)
  • 1200-1399 rating, Classical: 53.7% expected score (12 games)
  • 1400-1599 rating, UltraBullet: 45.8% expected score (22 games)
  • 1400-1599 rating, Bullet: 49.5% expected score (5,913 games)
  • 1400-1599 rating, Blitz: 46.6% expected score (6,929 games)
  • 1400-1599 rating, Rapid: 44.8% expected score (1,306 games)
  • 1400-1599 rating, Classical: 50.0% expected score (48 games)
  • 1600-1799 rating, UltraBullet: 52.6% expected score (37 games)
  • 1600-1799 rating, Bullet: 50.2% expected score (11,089 games)
  • 1600-1799 rating, Blitz: 47.3% expected score (14,338 games)
  • 1600-1799 rating, Rapid: 44.4% expected score (2,182 games)
  • 1600-1799 rating, Classical: 43.3% expected score (110 games)
  • 1800-1999 rating, UltraBullet: 40.3% expected score (19 games)
  • 1800-1999 rating, Bullet: 49.6% expected score (14,122 games)
  • 1800-1999 rating, Blitz: 48.4% expected score (22,035 games)
  • 1800-1999 rating, Rapid: 42.6% expected score (2,659 games)
  • 1800-1999 rating, Classical: 38.5% expected score (85 games)
  • 2000-2199 rating, UltraBullet: 53.5% expected score (13 games)
  • 2000-2199 rating, Bullet: 49.8% expected score (12,569 games)
  • 2000-2199 rating, Blitz: 50.2% expected score (15,052 games)
  • 2000-2199 rating, Rapid: 46.1% expected score (1,679 games)
  • 2000-2199 rating, Classical: 33.6% expected score (38 games)
  • 2200-2499 rating, UltraBullet: 36.7% expected score (6 games)
  • 2200-2499 rating, Bullet: 51.2% expected score (10,227 games)
  • 2200-2499 rating, Blitz: 49.4% expected score (4,209 games)
  • 2200-2499 rating, Rapid: 47.5% expected score (399 games)
  • 2200-2499 rating, Classical: 30.0% expected score (1 games)
  • 2500+ rating, Bullet: 49.3% expected score (1,742 games)
  • 2500+ rating, Blitz: 50.5% expected score (199 games)
  • 2500+ rating, Rapid: 50.0% expected score (6 games)

Related Openings

Parent
Sicilian Defense
48.5%
Variations (5)
Sicilian Defense: Bowdler Attack
47.2%
Sicilian Defense: Old Sicilian
48.5%
Sicilian Defense: Closed
49.8%
Sicilian Defense: Alapin Variation
50.2%
Sicilian Defense: McDonnell Attack
48.6%
Analyze Sicilian Defense: Nimzo-American Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Sicilian Defense: Nimzo-American Variation win rate?

The Sicilian Defense: Nimzo-American Variation has a 48.5% (90% CI: 48.3%-48.7%) win rate for white, based on 135K rated games from Lichess.

At what rating does the Sicilian Defense: Nimzo-American Variation perform best?

The Sicilian Defense: Nimzo-American Variation performs best at 1000-1199 Elo with a 53.8% win rate for white (1.9K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Sicilian Defense: Nimzo-American Variation better in blitz or rapid?

Rapid (52.9%) outperforms UltraBullet (49.3%) by 3.6%. Choose your time control wisely.

How sharp is the Sicilian Defense: Nimzo-American Variation?

The Sicilian Defense: Nimzo-American Variation has a sharpness score of 94.3 (decisive), meaning 94.3% of games end decisively. Average game length is 36 moves.

What is the Sicilian Defense: Nimzo-American Variation win rate at 0-999 Elo?

At 0-999 Elo, the Sicilian Defense: Nimzo-American Variation has a 50.5% (90% CI: 47.3%-53.6%) win rate for white, based on 689 Lichess games. Average game length is 25 moves with a 2.8% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Sicilian Defense: Nimzo-American Variation has a 53.8% (90% CI: 51.9%-55.6%) win rate for white, based on 1.9K Lichess games. Average game length is 28 moves with a 2.9% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Sicilian Defense: Nimzo-American Variation has a 52.2% (90% CI: 51.1%-53.4%) win rate for white, based on 5.1K Lichess games. Average game length is 30 moves with a 3.4% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Sicilian Defense: Nimzo-American Variation has a 50.3% (90% CI: 49.6%-51.0%) win rate for white, based on 14K Lichess games. Average game length is 32 moves with a 4.1% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Sicilian Defense: Nimzo-American Variation has a 49.5% (90% CI: 49.0%-50.0%) win rate for white, based on 28K Lichess games. Average game length is 34 moves with a 4.6% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Sicilian Defense: Nimzo-American Variation has a 48.8% (90% CI: 48.4%-49.2%) win rate for white, based on 39K Lichess games. Average game length is 36 moves with a 5.6% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Sicilian Defense: Nimzo-American Variation has a 46.8% (90% CI: 46.3%-47.3%) win rate for white, based on 29K Lichess games. Average game length is 38 moves with a 6.9% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Sicilian Defense: Nimzo-American Variation has a 45.7% (90% CI: 45.0%-46.3%) win rate for white, based on 15K Lichess games. Average game length is 40 moves with a 7.5% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate at 2500+ Elo?

At 2500+ Elo, the Sicilian Defense: Nimzo-American Variation has a 46.0% (90% CI: 44.1%-47.8%) win rate for white, based on 1.9K Lichess games. Average game length is 43 moves with a 9.3% draw rate.

What is the Sicilian Defense: Nimzo-American Variation win rate in UltraBullet?

In UltraBullet games, the Sicilian Defense: Nimzo-American Variation has a 49.3% (90% CI: 41.6%-57.1%) win rate for white (111 Lichess games). Draw rate is 4.0%.

What is the Sicilian Defense: Nimzo-American Variation win rate in Bullet?

In Bullet games, the Sicilian Defense: Nimzo-American Variation has a 47.7% (90% CI: 47.4%-48.1%) win rate for white (59K Lichess games). Draw rate is 4.8%.

What is the Sicilian Defense: Nimzo-American Variation win rate in Blitz?

In Blitz games, the Sicilian Defense: Nimzo-American Variation has a 48.5% (90% CI: 48.2%-48.9%) win rate for white (66K Lichess games). Draw rate is 6.4%.

What is the Sicilian Defense: Nimzo-American Variation win rate in Rapid?

In Rapid games, the Sicilian Defense: Nimzo-American Variation has a 52.9% (90% CI: 52.0%-53.7%) win rate for white (9.2K Lichess games). Draw rate is 6.0%.

What is the Sicilian Defense: Nimzo-American Variation win rate in Classical?

In Classical games, the Sicilian Defense: Nimzo-American Variation has a 55.6% (90% CI: 50.9%-60.3%) win rate for white (296 Lichess games). Draw rate is 4.9%.

Is the Sicilian Defense: Nimzo-American Variation a good opening?

The Sicilian Defense: Nimzo-American Variation is statistically balanced with a 48.5% (90% CI: 48.3%-48.7%) win rate across all ratings. It performs best at 1000-1199 Elo. Your results depend on your rating, time control, and how well you know the typical plans.