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Rat Defense: Harmonist

2.0M games from Lichess · Updated January 2026

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White Expected Score52.7%Range (90% confident): 52.6% – 52.7%Based on 2.0M games
0%52.7%100%
Range (90% confident): 52.6% – 52.7%
Outcome Distribution
51.1%3.1%45.8%
Win
Draw
Loss
2.f4
Rat Defense: Harmonist
Analyzen=2.0M
Avg Length33 moves
Sharpness97%
Draw Rate3.1%

What is the Rat Defense: Harmonist expected score for White?

Snapshot

At all ratings, the Rat Defense: Harmonist has a 52.7% expected score for White (we're 90% confident it's between 52.6% and 52.7%), based on 2.0M Lichess games.

White Win% by Rating

Improves with rating: 47% → 54%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 47.1% win rate (42,143 games)
  • 1000-1199: 50.4% win rate (90,164 games)
  • 1200-1399: 51.3% win rate (183,926 games)
  • 1400-1599: 51.5% win rate (340,879 games)
  • 1600-1799: 51.4% win rate (523,923 games)
  • 1800-1999: 51.0% win rate (519,442 games)
  • 2000-2199: 50.7% win rate (235,628 games)
  • 2200-2499: 51.2% win rate (60,620 games)
  • 2500+: 54.3% win rate (4,890 games)

White Win% by Time Control

Best in Blitz (51%), worst in UltraBullet (44%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 44.1% win rate (5,972 games)
  • Bullet: 51.1% win rate (755,330 games)
  • Blitz: 51.2% win rate (1,013,607 games)
  • Rapid: 50.8% win rate (220,036 games)
  • Classical: 51.2% win rate (6,670 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, UltraBullet: 34.5% expected score (307 games)
  • 0-999 rating, Bullet: 48.6% expected score (15,826 games)
  • 0-999 rating, Blitz: 49.4% expected score (19,859 games)
  • 0-999 rating, Rapid: 48.1% expected score (6,106 games)
  • 0-999 rating, Classical: 42.5% expected score (45 games)
  • 1000-1199 rating, UltraBullet: 42.0% expected score (582 games)
  • 1000-1199 rating, Bullet: 51.3% expected score (37,690 games)
  • 1000-1199 rating, Blitz: 52.1% expected score (41,334 games)
  • 1000-1199 rating, Rapid: 51.4% expected score (10,395 games)
  • 1000-1199 rating, Classical: 49.4% expected score (163 games)
  • 1200-1399 rating, UltraBullet: 46.0% expected score (1,286 games)
  • 1200-1399 rating, Bullet: 52.1% expected score (79,387 games)
  • 1200-1399 rating, Blitz: 53.2% expected score (84,217 games)
  • 1200-1399 rating, Rapid: 51.5% expected score (18,533 games)
  • 1200-1399 rating, Classical: 49.9% expected score (503 games)
  • 1400-1599 rating, UltraBullet: 44.7% expected score (1,829 games)
  • 1400-1599 rating, Bullet: 52.2% expected score (125,047 games)
  • 1400-1599 rating, Blitz: 53.4% expected score (178,064 games)
  • 1400-1599 rating, Rapid: 52.4% expected score (34,637 games)
  • 1400-1599 rating, Classical: 52.0% expected score (1,302 games)
  • 1600-1799 rating, UltraBullet: 46.5% expected score (1,647 games)
  • 1600-1799 rating, Bullet: 52.4% expected score (170,339 games)
  • 1600-1799 rating, Blitz: 53.1% expected score (288,133 games)
  • 1600-1799 rating, Rapid: 53.4% expected score (61,328 games)
  • 1600-1799 rating, Classical: 54.0% expected score (2,476 games)
  • 1800-1999 rating, UltraBullet: 46.1% expected score (225 games)
  • 1800-1999 rating, Bullet: 52.4% expected score (176,268 games)
  • 1800-1999 rating, Blitz: 52.7% expected score (274,641 games)
  • 1800-1999 rating, Rapid: 53.5% expected score (66,402 games)
  • 1800-1999 rating, Classical: 54.7% expected score (1,906 games)
  • 2000-2199 rating, UltraBullet: 34.1% expected score (55 games)
  • 2000-2199 rating, Bullet: 52.1% expected score (104,668 games)
  • 2000-2199 rating, Blitz: 52.9% expected score (109,522 games)
  • 2000-2199 rating, Rapid: 53.4% expected score (21,121 games)
  • 2000-2199 rating, Classical: 59.1% expected score (262 games)
  • 2200-2499 rating, UltraBullet: 41.8% expected score (41 games)
  • 2200-2499 rating, Bullet: 52.6% expected score (41,787 games)
  • 2200-2499 rating, Blitz: 54.5% expected score (17,274 games)
  • 2200-2499 rating, Rapid: 58.3% expected score (1,505 games)
  • 2200-2499 rating, Classical: 50.0% expected score (13 games)
  • 2500+ rating, Bullet: 56.0% expected score (4,318 games)
  • 2500+ rating, Blitz: 63.7% expected score (563 games)
  • 2500+ rating, Rapid: 64.3% expected score (9 games)

Related Openings

Variations (5)
Rat Defense: Accelerated Gurgenidze
50.0%
Rat Defense: Antal Defense
48.5%
Rat Defense: Balogh Defense
51.0%
Rat Defense: English Rat
47.8%
Rat Defense: English Rat, Lisbon Gambit
44.5%
Analyze Rat Defense: Harmonist PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Rat Defense: Harmonist win rate?

The Rat Defense: Harmonist has a 51.1% (90% CI: 51.0%-51.1%) win rate for white, based on 2.0M rated games from Lichess.

At what rating does the Rat Defense: Harmonist perform best?

The Rat Defense: Harmonist performs best at 2500+ Elo with a 54.3% win rate for white (4.9K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Rat Defense: Harmonist better in blitz or rapid?

Blitz (51.2%) outperforms UltraBullet (44.1%) by 7.1%. Choose your time control wisely.

How sharp is the Rat Defense: Harmonist?

The Rat Defense: Harmonist has a sharpness score of 96.9 (very decisive), meaning 96.9% of games end decisively. Average game length is 33 moves.

What is the Rat Defense: Harmonist win rate at 0-999 Elo?

At 0-999 Elo, the Rat Defense: Harmonist has a 47.1% (90% CI: 46.7%-47.5%) win rate for white, based on 42K Lichess games. Average game length is 26 moves with a 3.3% draw rate.

What is the Rat Defense: Harmonist win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Rat Defense: Harmonist has a 50.4% (90% CI: 50.1%-50.6%) win rate for white, based on 90K Lichess games. Average game length is 28 moves with a 2.4% draw rate.

What is the Rat Defense: Harmonist win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Rat Defense: Harmonist has a 51.3% (90% CI: 51.1%-51.5%) win rate for white, based on 184K Lichess games. Average game length is 30 moves with a 2.3% draw rate.

What is the Rat Defense: Harmonist win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Rat Defense: Harmonist has a 51.5% (90% CI: 51.4%-51.6%) win rate for white, based on 341K Lichess games. Average game length is 31 moves with a 2.6% draw rate.

What is the Rat Defense: Harmonist win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Rat Defense: Harmonist has a 51.4% (90% CI: 51.3%-51.5%) win rate for white, based on 524K Lichess games. Average game length is 33 moves with a 3.0% draw rate.

What is the Rat Defense: Harmonist win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Rat Defense: Harmonist has a 51.0% (90% CI: 50.9%-51.1%) win rate for white, based on 519K Lichess games. Average game length is 35 moves with a 3.5% draw rate.

What is the Rat Defense: Harmonist win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Rat Defense: Harmonist has a 50.7% (90% CI: 50.5%-50.8%) win rate for white, based on 236K Lichess games. Average game length is 36 moves with a 3.8% draw rate.

What is the Rat Defense: Harmonist win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Rat Defense: Harmonist has a 51.2% (90% CI: 50.8%-51.5%) win rate for white, based on 61K Lichess games. Average game length is 37 moves with a 4.1% draw rate.

What is the Rat Defense: Harmonist win rate at 2500+ Elo?

At 2500+ Elo, the Rat Defense: Harmonist has a 54.3% (90% CI: 53.1%-55.4%) win rate for white, based on 4.9K Lichess games. Average game length is 39 moves with a 5.2% draw rate.

What is the Rat Defense: Harmonist win rate in UltraBullet?

In UltraBullet games, the Rat Defense: Harmonist has a 44.1% (90% CI: 43.0%-45.2%) win rate for white (6.0K Lichess games). Draw rate is 0.9%.

What is the Rat Defense: Harmonist win rate in Bullet?

In Bullet games, the Rat Defense: Harmonist has a 51.1% (90% CI: 51.0%-51.2%) win rate for white (755K Lichess games). Draw rate is 2.2%.

What is the Rat Defense: Harmonist win rate in Blitz?

In Blitz games, the Rat Defense: Harmonist has a 51.2% (90% CI: 51.1%-51.2%) win rate for white (1.0M Lichess games). Draw rate is 3.6%.

What is the Rat Defense: Harmonist win rate in Rapid?

In Rapid games, the Rat Defense: Harmonist has a 50.8% (90% CI: 50.7%-51.0%) win rate for white (220K Lichess games). Draw rate is 4.1%.

What is the Rat Defense: Harmonist win rate in Classical?

In Classical games, the Rat Defense: Harmonist has a 51.2% (90% CI: 50.2%-52.2%) win rate for white (6.7K Lichess games). Draw rate is 4.5%.

Is the Rat Defense: Harmonist a good opening?

The Rat Defense: Harmonist is statistically favors white with a 51.1% (90% CI: 51.0%-51.1%) 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.