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Bird Opening: Hobbs-Zilbermints Gambit

4.6K games from Lichess · Updated January 2026

Playable
Black 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
50.6%2.9%46.5%
Win
Draw
Loss
2...g5
Bird Opening: Hobbs-Zilbermints Gambit
Analyzen=4.6K
Avg Length31 moves
Sharpness97%
Draw Rate2.9%

What is the Bird Opening: Hobbs-Zilbermints Gambit expected score for Black?

Snapshot

At all ratings, the Bird Opening: Hobbs-Zilbermints Gambit has a 52.1% expected score for Black (we're 90% confident it's between 50.9% and 53.3%), based on 4.6K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointBlack

Peak: +31.0% · Breakpoint: 0-999

Black Win% by Rating

Improves with rating: 50% → 61%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 50.2% win rate (149 games)
  • 1000-1199: 42.0% win rate (183 games)
  • 1200-1399: 45.1% win rate (317 games)
  • 1400-1599: 50.7% win rate (530 games)
  • 1600-1799: 46.7% win rate (843 games)
  • 1800-1999: 52.6% win rate (777 games)
  • 2000-2199: 53.4% win rate (847 games)
  • 2200-2499: 52.1% win rate (802 games)
  • 2500+: 61.1% win rate (140 games)

Black Win% by Time Control

Best in Bullet (52%), worst in Classical (32%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 40.4% win rate (22 games)
  • Bullet: 51.7% win rate (2,468 games)
  • Blitz: 50.1% win rate (1,709 games)
  • Rapid: 48.0% win rate (370 games)
  • Classical: 31.7% win rate (19 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: 30.0% expected score (1 games)
  • 0-999 rating, Bullet: 45.9% expected score (59 games)
  • 0-999 rating, Blitz: 59.6% expected score (61 games)
  • 0-999 rating, Rapid: 55.1% expected score (28 games)
  • 1000-1199 rating, UltraBullet: 30.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 48.6% expected score (69 games)
  • 1000-1199 rating, Blitz: 40.2% expected score (90 games)
  • 1000-1199 rating, Rapid: 43.6% expected score (22 games)
  • 1000-1199 rating, Classical: 30.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 30.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 53.5% expected score (127 games)
  • 1200-1399 rating, Blitz: 40.2% expected score (146 games)
  • 1200-1399 rating, Rapid: 46.6% expected score (43 games)
  • 1400-1599 rating, UltraBullet: 83.4% expected score (3 games)
  • 1400-1599 rating, Bullet: 50.5% expected score (215 games)
  • 1400-1599 rating, Blitz: 53.3% expected score (225 games)
  • 1400-1599 rating, Rapid: 52.5% expected score (79 games)
  • 1400-1599 rating, Classical: 39.5% expected score (8 games)
  • 1600-1799 rating, UltraBullet: 20.6% expected score (7 games)
  • 1600-1799 rating, Bullet: 46.0% expected score (393 games)
  • 1600-1799 rating, Blitz: 50.0% expected score (357 games)
  • 1600-1799 rating, Rapid: 44.3% expected score (85 games)
  • 1600-1799 rating, Classical: 30.0% expected score (1 games)
  • 1800-1999 rating, UltraBullet: 61.2% expected score (3 games)
  • 1800-1999 rating, Bullet: 53.8% expected score (343 games)
  • 1800-1999 rating, Blitz: 54.5% expected score (332 games)
  • 1800-1999 rating, Rapid: 54.3% expected score (91 games)
  • 1800-1999 rating, Classical: 39.5% expected score (8 games)
  • 2000-2199 rating, UltraBullet: 70.0% expected score (1 games)
  • 2000-2199 rating, Bullet: 53.5% expected score (497 games)
  • 2000-2199 rating, Blitz: 57.6% expected score (328 games)
  • 2000-2199 rating, Rapid: 61.6% expected score (20 games)
  • 2000-2199 rating, Classical: 30.0% expected score (1 games)
  • 2200-2499 rating, UltraBullet: 50.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 55.3% expected score (639 games)
  • 2200-2499 rating, Blitz: 50.0% expected score (161 games)
  • 2200-2499 rating, Rapid: 70.0% expected score (1 games)
  • 2500+ rating, UltraBullet: 50.0% expected score (4 games)
  • 2500+ rating, Bullet: 65.3% expected score (126 games)
  • 2500+ rating, Blitz: 45.3% expected score (9 games)
  • 2500+ rating, Rapid: 30.0% expected score (1 games)

Related Openings

Parent
Bird Opening
50.1%
Variations (5)
Bird Opening: Dutch Variation
50.5%
Bird Opening: From's Gambit
48.6%
Bird Opening: Williams Gambit
47.0%
Bird Opening: Schlechter Gambit
50.6%
Bird Opening: Lasker Variation
51.9%
Analyze Bird Opening: Hobbs-Zilbermints Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate?

The Bird Opening: Hobbs-Zilbermints Gambit has a 46.5% (90% CI: 45.3%-47.7%) win rate for white, based on 4.6K rated games from Lichess.

At what rating does the Bird Opening: Hobbs-Zilbermints Gambit perform best?

The Bird Opening: Hobbs-Zilbermints Gambit performs best at 1600-1799 Elo with a 52.4% win rate for white (843 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Bird Opening: Hobbs-Zilbermints Gambit better in blitz or rapid?

Blitz (46.6%) outperforms Rapid (47.0%) by -0.4%. Choose your time control wisely.

How sharp is the Bird Opening: Hobbs-Zilbermints Gambit?

The Bird Opening: Hobbs-Zilbermints Gambit has a sharpness score of 97.1 (very decisive), meaning 97.1% of games end decisively. Average game length is 31 moves.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 0-999 Elo?

At 0-999 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 44.2% (90% CI: 37.6%-50.9%) win rate for white, based on 149 Lichess games. Average game length is 25 moves with a 5.6% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 55.6% (90% CI: 49.5%-61.5%) win rate for white, based on 183 Lichess games. Average game length is 28 moves with a 2.4% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 52.6% (90% CI: 48.0%-57.2%) win rate for white, based on 317 Lichess games. Average game length is 28 moves with a 2.4% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 46.6% (90% CI: 43.0%-50.1%) win rate for white, based on 530 Lichess games. Average game length is 30 moves with a 2.7% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 52.4% (90% CI: 49.6%-55.2%) win rate for white, based on 843 Lichess games. Average game length is 30 moves with a 0.9% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 44.5% (90% CI: 41.6%-47.4%) win rate for white, based on 777 Lichess games. Average game length is 32 moves with a 2.9% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 43.0% (90% CI: 40.2%-45.8%) win rate for white, based on 847 Lichess games. Average game length is 33 moves with a 3.6% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 43.5% (90% CI: 40.6%-46.4%) win rate for white, based on 802 Lichess games. Average game length is 34 moves with a 4.4% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate at 2500+ Elo?

At 2500+ Elo, the Bird Opening: Hobbs-Zilbermints Gambit has a 35.0% (90% CI: 28.5%-41.7%) win rate for white, based on 140 Lichess games. Average game length is 36 moves with a 3.9% draw rate.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate in Bullet?

In Bullet games, the Bird Opening: Hobbs-Zilbermints Gambit has a 46.0% (90% CI: 44.4%-47.7%) win rate for white (2.5K Lichess games). Draw rate is 2.3%.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate in Blitz?

In Blitz games, the Bird Opening: Hobbs-Zilbermints Gambit has a 46.6% (90% CI: 44.6%-48.6%) win rate for white (1.7K Lichess games). Draw rate is 3.3%.

What is the Bird Opening: Hobbs-Zilbermints Gambit win rate in Rapid?

In Rapid games, the Bird Opening: Hobbs-Zilbermints Gambit has a 47.0% (90% CI: 42.7%-51.2%) win rate for white (370 Lichess games). Draw rate is 5.0%.

Is the Bird Opening: Hobbs-Zilbermints Gambit a good opening?

The Bird Opening: Hobbs-Zilbermints Gambit is slightly favors black with a 46.5% (90% CI: 45.3%-47.7%) 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.