TrueEloPlay what wins.
Analyzer

Petrov's Defense: Classical Attack, Jaenisch Variation

4.6K games from Lichess · Updated January 2026

Playable
White Expected Score52.1%Range (90% confident): 50.9% – 53.3%Based on 4.6K games
0%52.1%100%
Range (90% confident): 50.9% – 53.3%
Outcome Distribution
47.1%9.9%43.0%
Win
Draw
Loss
8.c4
Petrov's Defense: Classical Attack, Jaenisch Variation
Analyzen=4.6K
Avg Length39 moves
Sharpness90%
Draw Rate9.9%

What is the Petrov's Defense: Classical Attack, Jaenisch Variation expected score for White?

Snapshot

At all ratings, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 52.1% expected score for White (we're 90% confident it's between 50.9% and 53.3%), based on 4.6K Lichess games.

White Win% by Rating

Improves with rating: 11% → 49%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 11.1% win rate (3 games)
  • 1000-1199: 23.1% win rate (5 games)
  • 1200-1399: 53.5% win rate (20 games)
  • 1400-1599: 46.7% win rate (81 games)
  • 1600-1799: 54.6% win rate (254 games)
  • 1800-1999: 44.1% win rate (839 games)
  • 2000-2199: 45.4% win rate (1,545 games)
  • 2200-2499: 49.0% win rate (1,497 games)
  • 2500+: 48.5% win rate (313 games)

White Win% by Time Control

Similar across time controls (~49%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 48.5% win rate (1,178 games)
  • Blitz: 46.4% win rate (2,746 games)
  • Rapid: 47.4% win rate (582 games)
  • Classical: 46.7% win rate (51 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, Blitz: 21.5% expected score (2 games)
  • 0-999 rating, Rapid: 30.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 38.9% expected score (3 games)
  • 1000-1199 rating, Blitz: 30.0% expected score (1 games)
  • 1000-1199 rating, Rapid: 30.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 76.7% expected score (6 games)
  • 1200-1399 rating, Blitz: 46.6% expected score (13 games)
  • 1200-1399 rating, Rapid: 50.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 39.1% expected score (26 games)
  • 1400-1599 rating, Blitz: 46.3% expected score (39 games)
  • 1400-1599 rating, Rapid: 64.3% expected score (16 games)
  • 1600-1799 rating, Bullet: 53.6% expected score (81 games)
  • 1600-1799 rating, Blitz: 55.5% expected score (135 games)
  • 1600-1799 rating, Rapid: 60.5% expected score (32 games)
  • 1600-1799 rating, Classical: 83.3% expected score (6 games)
  • 1800-1999 rating, Bullet: 43.4% expected score (120 games)
  • 1800-1999 rating, Blitz: 48.8% expected score (558 games)
  • 1800-1999 rating, Rapid: 49.7% expected score (148 games)
  • 1800-1999 rating, Classical: 29.3% expected score (13 games)
  • 2000-2199 rating, Bullet: 49.0% expected score (279 games)
  • 2000-2199 rating, Blitz: 49.5% expected score (1,032 games)
  • 2000-2199 rating, Rapid: 55.5% expected score (218 games)
  • 2000-2199 rating, Classical: 52.9% expected score (16 games)
  • 2200-2499 rating, Bullet: 55.4% expected score (457 games)
  • 2200-2499 rating, Blitz: 55.0% expected score (888 games)
  • 2200-2499 rating, Rapid: 49.3% expected score (138 games)
  • 2200-2499 rating, Classical: 53.3% expected score (14 games)
  • 2500+ rating, Bullet: 58.7% expected score (206 games)
  • 2500+ rating, Blitz: 53.8% expected score (78 games)
  • 2500+ rating, Rapid: 69.3% expected score (27 games)
  • 2500+ rating, Classical: 64.3% expected score (2 games)

Related Openings

Parent
Petrov's Defense
49.1%
Variations (5)
Petrov's Defense: Classical Attack
50.2%
Petrov's Defense: Classical Attack, Berger Variation
41.7%
Petrov's Defense: Classical Attack, Chigorin Variation
45.3%
Petrov's Defense: Classical Attack, Chigorin Variation, Browne Attack
46.5%
Petrov's Defense: Classical Attack, Chigorin Variation, Main Line
38.0%
Analyze Petrov's Defense: Classical Attack, Jaenisch Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate?

The Petrov's Defense: Classical Attack, Jaenisch Variation has a 47.1% (90% CI: 45.9%-48.3%) win rate for white, based on 4.6K rated games from Lichess.

At what rating does the Petrov's Defense: Classical Attack, Jaenisch Variation perform best?

The Petrov's Defense: Classical Attack, Jaenisch Variation performs best at 1600-1799 Elo with a 54.6% win rate for white (254 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Petrov's Defense: Classical Attack, Jaenisch Variation better in blitz or rapid?

Bullet (48.5%) outperforms Classical (46.7%) by 1.8%. Choose your time control wisely.

How sharp is the Petrov's Defense: Classical Attack, Jaenisch Variation?

The Petrov's Defense: Classical Attack, Jaenisch Variation has a sharpness score of 90.1 (decisive), meaning 90.1% of games end decisively. Average game length is 39 moves.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 54.6% (90% CI: 49.5%-59.7%) win rate for white, based on 254 Lichess games. Average game length is 33 moves with a 3.7% draw rate.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 44.1% (90% CI: 41.3%-46.9%) win rate for white, based on 839 Lichess games. Average game length is 35 moves with a 7.4% draw rate.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 45.4% (90% CI: 43.3%-47.4%) win rate for white, based on 1.5K Lichess games. Average game length is 37 moves with a 9.7% draw rate.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 49.0% (90% CI: 46.9%-51.1%) win rate for white, based on 1.5K Lichess games. Average game length is 42 moves with a 11.1% draw rate.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate at 2500+ Elo?

At 2500+ Elo, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 48.5% (90% CI: 43.9%-53.1%) win rate for white, based on 313 Lichess games. Average game length is 52 moves with a 20.2% draw rate.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate in Bullet?

In Bullet games, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 48.5% (90% CI: 46.1%-50.9%) win rate for white (1.2K Lichess games). Draw rate is 8.5%.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate in Blitz?

In Blitz games, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 46.4% (90% CI: 44.8%-48.0%) win rate for white (2.7K Lichess games). Draw rate is 10.0%.

What is the Petrov's Defense: Classical Attack, Jaenisch Variation win rate in Rapid?

In Rapid games, the Petrov's Defense: Classical Attack, Jaenisch Variation has a 47.4% (90% CI: 44.0%-50.8%) win rate for white (582 Lichess games). Draw rate is 12.4%.

Is the Petrov's Defense: Classical Attack, Jaenisch Variation a good opening?

The Petrov's Defense: Classical Attack, Jaenisch Variation is statistically balanced with a 47.1% (90% CI: 45.9%-48.3%) win rate across all ratings. It performs best at 1600-1799 Elo. Your results depend on your rating, time control, and how well you know the typical plans.