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Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation

14K games from Lichess · Updated January 2026

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White Expected Score64.1%Range (90% confident): 63.4% – 64.8%Based on 14K games
0%64.1%100%
Range (90% confident): 63.4% – 64.8%
Outcome Distribution
62.5%3.2%34.3%
Win
Draw
Loss
7.h4
Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation
Analyzen=14K
Avg Length29 moves
Sharpness97%
Draw Rate3.2%

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation expected score for White?

Snapshot

At all ratings, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 64.1% expected score for White (we're 90% confident it's between 63.4% and 64.8%), based on 14K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Time-Control Swing

Max swing: 8.4% · Bullet best · Rapid worst

White Win% by Rating

Improves with rating: 14% → 67%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 14.3% win rate (2 games)
  • 1000-1199: 56.8% win rate (17 games)
  • 1200-1399: 56.2% win rate (51 games)
  • 1400-1599: 55.8% win rate (132 games)
  • 1600-1799: 54.6% win rate (300 games)
  • 1800-1999: 57.3% win rate (992 games)
  • 2000-2199: 59.1% win rate (3,541 games)
  • 2200-2499: 64.2% win rate (6,287 games)
  • 2500+: 66.6% win rate (2,470 games)

White Win% by Time Control

Best in Classical (76%), worst in UltraBullet (39%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 38.5% win rate (5 games)
  • Bullet: 64.9% win rate (6,553 games)
  • Blitz: 60.5% win rate (6,811 games)
  • Rapid: 56.5% win rate (408 games)
  • Classical: 75.8% win rate (15 games)

White% 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: 30.0% expected score (1 games)
  • 0-999 rating, Blitz: 30.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 50.0% expected score (3 games)
  • 1000-1199 rating, Blitz: 60.4% expected score (13 games)
  • 1000-1199 rating, Rapid: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 52.5% expected score (19 games)
  • 1200-1399 rating, Blitz: 57.9% expected score (24 games)
  • 1200-1399 rating, Rapid: 65.8% expected score (8 games)
  • 1400-1599 rating, Bullet: 59.9% expected score (49 games)
  • 1400-1599 rating, Blitz: 54.1% expected score (60 games)
  • 1400-1599 rating, Rapid: 62.8% expected score (22 games)
  • 1400-1599 rating, Classical: 30.0% expected score (1 games)
  • 1600-1799 rating, UltraBullet: 61.2% expected score (3 games)
  • 1600-1799 rating, Bullet: 55.0% expected score (140 games)
  • 1600-1799 rating, Blitz: 55.0% expected score (129 games)
  • 1600-1799 rating, Rapid: 57.8% expected score (24 games)
  • 1600-1799 rating, Classical: 86.4% expected score (4 games)
  • 1800-1999 rating, Bullet: 58.6% expected score (338 games)
  • 1800-1999 rating, Blitz: 58.9% expected score (591 games)
  • 1800-1999 rating, Rapid: 52.6% expected score (58 games)
  • 1800-1999 rating, Classical: 57.7% expected score (5 games)
  • 2000-2199 rating, Bullet: 61.5% expected score (1,051 games)
  • 2000-2199 rating, Blitz: 60.7% expected score (2,334 games)
  • 2000-2199 rating, Rapid: 54.2% expected score (152 games)
  • 2000-2199 rating, Classical: 86.4% expected score (4 games)
  • 2200-2499 rating, UltraBullet: 30.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 67.2% expected score (2,930 games)
  • 2200-2499 rating, Blitz: 64.6% expected score (3,213 games)
  • 2200-2499 rating, Rapid: 64.3% expected score (142 games)
  • 2200-2499 rating, Classical: 70.0% expected score (1 games)
  • 2500+ rating, UltraBullet: 30.0% expected score (1 games)
  • 2500+ rating, Bullet: 69.5% expected score (2,022 games)
  • 2500+ rating, Blitz: 64.5% expected score (446 games)
  • 2500+ rating, Rapid: 70.0% expected score (1 games)

Related Openings

Parent
Pirc Defense
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Variations (5)
Pirc Defense: 150 Attack
48.0%
Pirc Defense: 150 Attack, Sveshnikov-Jansa Attack
51.7%
Pirc Defense: Austrian Attack
51.7%
Pirc Defense: Austrian Attack, Dragon Formation
47.5%
Pirc Defense: Austrian Attack, Kurajica Variation
49.9%
Analyze Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate?

The Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 62.5% (90% CI: 61.8%-63.2%) win rate for white, based on 14K rated games from Lichess.

At what rating does the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation perform best?

The Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation performs best at 2500+ Elo with a 66.6% win rate for white (2.5K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation better in blitz or rapid?

Bullet (64.9%) outperforms Rapid (56.5%) by 8.4%. Choose your time control wisely.

How sharp is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation?

The Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a sharpness score of 96.8 (very decisive), meaning 96.8% of games end decisively. Average game length is 29 moves.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 55.8% (90% CI: 48.7%-62.8%) win rate for white, based on 132 Lichess games. Average game length is 28 moves with a 3.4% draw rate.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 54.6% (90% CI: 49.8%-59.3%) win rate for white, based on 300 Lichess games. Average game length is 27 moves with a 2.8% draw rate.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 57.3% (90% CI: 54.7%-59.9%) win rate for white, based on 992 Lichess games. Average game length is 28 moves with a 2.2% draw rate.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 59.1% (90% CI: 57.8%-60.5%) win rate for white, based on 3.5K Lichess games. Average game length is 29 moves with a 3.1% draw rate.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 64.2% (90% CI: 63.2%-65.1%) win rate for white, based on 6.3K Lichess games. Average game length is 29 moves with a 3.2% draw rate.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate at 2500+ Elo?

At 2500+ Elo, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 66.6% (90% CI: 65.0%-68.1%) win rate for white, based on 2.5K Lichess games. Average game length is 31 moves with a 3.9% draw rate.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate in Bullet?

In Bullet games, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 64.9% (90% CI: 63.9%-65.8%) win rate for white (6.6K Lichess games). Draw rate is 2.6%.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate in Blitz?

In Blitz games, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 60.5% (90% CI: 59.6%-61.5%) win rate for white (6.8K Lichess games). Draw rate is 3.8%.

What is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation win rate in Rapid?

In Rapid games, the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation has a 56.5% (90% CI: 52.5%-60.5%) win rate for white (408 Lichess games). Draw rate is 4.5%.

Is the Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation a good opening?

The Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation is statistically favors white with a 62.5% (90% CI: 61.8%-63.2%) 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.