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Benoni Defense: Old Benoni, Mujannah Formation

45K games from Lichess · Updated January 2026

Tough Sell
Black Expected Score48.3%Range (90% confident): 48.0% – 48.7%Based on 45K games
0%48.3%100%
Range (90% confident): 48.0% – 48.7%
Outcome Distribution
46.2%4.2%49.6%
Win
Draw
Loss
2...f5
Benoni Defense: Old Benoni, Mujannah Formation
Analyzen=45K
Avg Length36 moves
Sharpness96%
Draw Rate4.2%

What is the Benoni Defense: Old Benoni, Mujannah Formation expected score for Black?

Snapshot

At all ratings, the Benoni Defense: Old Benoni, Mujannah Formation has a 48.3% expected score for Black (we're 90% confident it's between 48.0% and 48.7%), based on 45K Lichess games.

Black Win% by Rating

Declines with rating: 44% → 39%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 44.1% win rate (190 games)
  • 1000-1199: 45.0% win rate (544 games)
  • 1200-1399: 46.2% win rate (1,067 games)
  • 1400-1599: 46.9% win rate (2,282 games)
  • 1600-1799: 47.3% win rate (4,864 games)
  • 1800-1999: 49.6% win rate (9,456 games)
  • 2000-2199: 47.1% win rate (12,429 games)
  • 2200-2499: 43.7% win rate (11,413 games)
  • 2500+: 39.1% win rate (2,569 games)

Black Win% by Time Control

Best in Blitz (47%), worst in Classical (38%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 41.9% win rate (14 games)
  • Bullet: 45.5% win rate (15,882 games)
  • Blitz: 46.9% win rate (24,706 games)
  • Rapid: 45.8% win rate (3,990 games)
  • Classical: 38.3% win rate (222 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: 42.7% expected score (53 games)
  • 0-999 rating, Blitz: 47.8% expected score (112 games)
  • 0-999 rating, Rapid: 50.0% expected score (25 games)
  • 1000-1199 rating, Bullet: 43.2% expected score (176 games)
  • 1000-1199 rating, Blitz: 48.3% expected score (312 games)
  • 1000-1199 rating, Rapid: 43.1% expected score (56 games)
  • 1200-1399 rating, UltraBullet: 30.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 52.8% expected score (267 games)
  • 1200-1399 rating, Blitz: 46.8% expected score (627 games)
  • 1200-1399 rating, Rapid: 40.8% expected score (167 games)
  • 1200-1399 rating, Classical: 11.5% expected score (5 games)
  • 1400-1599 rating, UltraBullet: 13.7% expected score (4 games)
  • 1400-1599 rating, Bullet: 49.4% expected score (668 games)
  • 1400-1599 rating, Blitz: 48.0% expected score (1,257 games)
  • 1400-1599 rating, Rapid: 46.3% expected score (344 games)
  • 1400-1599 rating, Classical: 26.2% expected score (9 games)
  • 1600-1799 rating, UltraBullet: 83.4% expected score (3 games)
  • 1600-1799 rating, Bullet: 49.4% expected score (1,194 games)
  • 1600-1799 rating, Blitz: 49.4% expected score (2,988 games)
  • 1600-1799 rating, Rapid: 48.1% expected score (643 games)
  • 1600-1799 rating, Classical: 46.0% expected score (36 games)
  • 1800-1999 rating, UltraBullet: 78.6% expected score (2 games)
  • 1800-1999 rating, Bullet: 51.1% expected score (1,968 games)
  • 1800-1999 rating, Blitz: 51.9% expected score (6,374 games)
  • 1800-1999 rating, Rapid: 50.2% expected score (1,050 games)
  • 1800-1999 rating, Classical: 41.4% expected score (62 games)
  • 2000-2199 rating, UltraBullet: 16.7% expected score (3 games)
  • 2000-2199 rating, Bullet: 48.8% expected score (3,822 games)
  • 2000-2199 rating, Blitz: 49.5% expected score (7,427 games)
  • 2000-2199 rating, Rapid: 50.1% expected score (1,112 games)
  • 2000-2199 rating, Classical: 57.6% expected score (65 games)
  • 2200-2499 rating, UltraBullet: 70.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 45.1% expected score (6,415 games)
  • 2200-2499 rating, Blitz: 47.4% expected score (4,374 games)
  • 2200-2499 rating, Rapid: 46.2% expected score (579 games)
  • 2200-2499 rating, Classical: 29.2% expected score (44 games)
  • 2500+ rating, Bullet: 41.8% expected score (1,319 games)
  • 2500+ rating, Blitz: 42.8% expected score (1,235 games)
  • 2500+ rating, Rapid: 21.0% expected score (14 games)
  • 2500+ rating, Classical: 50.0% expected score (1 games)

Related Openings

Parent
Benoni Defense
47.5%
Variations (5)
Benoni Defense: Old Benoni
48.4%
Benoni Defense: Benoni Gambit Accepted
47.4%
Benoni Defense: French Benoni
50.8%
Benoni Defense: King's Pawn Line
50.7%
Benoni Defense: Hromádka System
49.2%
Analyze Benoni Defense: Old Benoni, Mujannah Formation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate?

The Benoni Defense: Old Benoni, Mujannah Formation has a 49.6% (90% CI: 49.2%-50.0%) win rate for white, based on 45K rated games from Lichess.

At what rating does the Benoni Defense: Old Benoni, Mujannah Formation perform best?

The Benoni Defense: Old Benoni, Mujannah Formation performs best at 2500+ Elo with a 54.8% win rate for white (2.6K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Benoni Defense: Old Benoni, Mujannah Formation better in blitz or rapid?

Bullet (51.4%) outperforms Classical (53.0%) by -1.6%. Choose your time control wisely.

How sharp is the Benoni Defense: Old Benoni, Mujannah Formation?

The Benoni Defense: Old Benoni, Mujannah Formation has a sharpness score of 95.8 (very decisive), meaning 95.8% of games end decisively. Average game length is 36 moves.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 0-999 Elo?

At 0-999 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 50.9% (90% CI: 45.0%-56.8%) win rate for white, based on 190 Lichess games. Average game length is 26 moves with a 5.0% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 52.9% (90% CI: 49.4%-56.4%) win rate for white, based on 544 Lichess games. Average game length is 28 moves with a 2.1% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 52.0% (90% CI: 49.5%-54.5%) win rate for white, based on 1.1K Lichess games. Average game length is 29 moves with a 1.8% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 51.0% (90% CI: 49.3%-52.8%) win rate for white, based on 2.3K Lichess games. Average game length is 30 moves with a 2.1% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 48.9% (90% CI: 47.7%-50.1%) win rate for white, based on 4.9K Lichess games. Average game length is 33 moves with a 3.8% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 46.6% (90% CI: 45.8%-47.5%) win rate for white, based on 9.5K Lichess games. Average game length is 35 moves with a 3.8% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 48.4% (90% CI: 47.7%-49.1%) win rate for white, based on 12K Lichess games. Average game length is 37 moves with a 4.5% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 51.8% (90% CI: 51.0%-52.5%) win rate for white, based on 11K Lichess games. Average game length is 37 moves with a 4.6% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate at 2500+ Elo?

At 2500+ Elo, the Benoni Defense: Old Benoni, Mujannah Formation has a 54.8% (90% CI: 53.2%-56.4%) win rate for white, based on 2.6K Lichess games. Average game length is 39 moves with a 6.0% draw rate.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate in Bullet?

In Bullet games, the Benoni Defense: Old Benoni, Mujannah Formation has a 51.4% (90% CI: 50.8%-52.1%) win rate for white (16K Lichess games). Draw rate is 3.1%.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate in Blitz?

In Blitz games, the Benoni Defense: Old Benoni, Mujannah Formation has a 48.4% (90% CI: 47.9%-49.0%) win rate for white (25K Lichess games). Draw rate is 4.7%.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate in Rapid?

In Rapid games, the Benoni Defense: Old Benoni, Mujannah Formation has a 49.2% (90% CI: 47.9%-50.5%) win rate for white (4.0K Lichess games). Draw rate is 4.9%.

What is the Benoni Defense: Old Benoni, Mujannah Formation win rate in Classical?

In Classical games, the Benoni Defense: Old Benoni, Mujannah Formation has a 53.0% (90% CI: 47.5%-58.5%) win rate for white (222 Lichess games). Draw rate is 8.7%.

Is the Benoni Defense: Old Benoni, Mujannah Formation a good opening?

The Benoni Defense: Old Benoni, Mujannah Formation is statistically balanced with a 49.6% (90% CI: 49.2%-50.0%) 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.