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Analyzer

Grob Opening: Keene Defense, Main Line

602 games from Lichess · Updated January 2026

Key Finding

Grob Opening: Keene Defense, Main Line gives Black a 52.2% expected score — a strong choice.

Worst case (90% confidence) you keep a -2.4% advantage over the 50% baseline.

You play
Playable
Rating
Time
Black Expected Score52.2%Based on 602 gamesWin + ½×draw — predicts rating gain better than win rate
45%52.2%60%
Range (90% confident): 48.8% – 55.5%
Min adv-2.4%
ContextAll ratings · All speeds · n=602
Outcome Distribution
6...Ne7
Grob Opening: Keene Defense, Main Line
Analyzen=602
Avg Length35 moves
Sharpness96%
Draw Rate3.7%

Sharpness — share of games that end decisively

What is the Grob Opening: Keene Defense, Main Line expected score for Black?

Snapshot

At all ratings, the Grob Opening: Keene Defense, Main Line has a 52.2% expected score for Black (we're 90% confident it's between 48.8% and 55.5%), based on 602 Lichess games.

Black Win% by Rating

Declines with rating: 60% → 40%

0
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 60.0% win rate (1 games)
  • 1200-1399: 23.1% win rate (5 games)
  • 1400-1599: 60.0% win rate (11 games)
  • 1600-1799: 59.6% win rate (48 games)
  • 1800-1999: 51.9% win rate (119 games)
  • 2000-2199: 46.1% win rate (186 games)
  • 2200-2499: 53.5% win rate (175 games)
  • 2500+: 40.2% win rate (57 games)

Black Win% by Time Control

Best in Rapid (58%), worst in Blitz (50%)

Bullet
Blitz
Rapid

  • Bullet: 50.6% win rate (211 games)
  • Blitz: 49.5% win rate (371 games)
  • Rapid: 58.1% win rate (20 games)

Black% by Rating × Time Control

Click any cell to filter — click it again to clear. 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: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 21.5% expected score (2 games)
  • 1200-1399 rating, Blitz: 38.9% expected score (3 games)
  • 1400-1599 rating, Bullet: 67.7% expected score (7 games)
  • 1400-1599 rating, Blitz: 50.0% expected score (4 games)
  • 1600-1799 rating, Bullet: 56.5% expected score (14 games)
  • 1600-1799 rating, Blitz: 60.2% expected score (33 games)
  • 1600-1799 rating, Rapid: 70.0% expected score (1 games)
  • 1800-1999 rating, Bullet: 39.5% expected score (27 games)
  • 1800-1999 rating, Blitz: 56.3% expected score (86 games)
  • 1800-1999 rating, Rapid: 83.3% expected score (6 games)
  • 2000-2199 rating, Bullet: 57.0% expected score (20 games)
  • 2000-2199 rating, Blitz: 46.8% expected score (155 games)
  • 2000-2199 rating, Rapid: 58.0% expected score (11 games)
  • 2200-2499 rating, Bullet: 60.7% expected score (87 games)
  • 2200-2499 rating, Blitz: 51.8% expected score (86 games)
  • 2200-2499 rating, Rapid: 21.5% expected score (2 games)
  • 2500+ rating, Bullet: 39.0% expected score (53 games)
  • 2500+ rating, Blitz: 68.2% expected score (4 games)

Related Openings

Parent
Grob Opening
48.4%
Variations (5)
Grob Opening: Grob Gambit
49.8%
Grob Opening: Grob Gambit, Fritz Gambit
58.0%
Grob Opening: Spike, Hurst Attack
53.8%
Grob Opening: Grob Gambit Declined
49.8%
Grob Opening: Spike Attack
49.2%
Analyze Grob Opening: Keene Defense, Main Line PositionsGet move-by-move win rates at your level with the TrueElo analyzer

Frequently Asked Questions

What is the Grob Opening: Keene Defense, Main Line win rate?

The Grob Opening: Keene Defense, Main Line has a 46.0% (90% CI: 42.7%-49.3%) win rate for white, based on 602 rated games from Lichess.

At what rating does the Grob Opening: Keene Defense, Main Line perform best?

The Grob Opening: Keene Defense, Main Line performs best at 2500+ Elo with a 57.3% win rate for white (57 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Grob Opening: Keene Defense, Main Line better in blitz or rapid?

Blitz (46.3%) outperforms Bullet (46.8%) by -0.5%. Choose your time control wisely.

How sharp is the Grob Opening: Keene Defense, Main Line?

The Grob Opening: Keene Defense, Main Line has a sharpness score of 96.3 (very decisive), meaning 96.3% of games end decisively. Average game length is 35 moves.

What is the Grob Opening: Keene Defense, Main Line win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Grob Opening: Keene Defense, Main Line has a 43.6% (90% CI: 36.2%-51.0%) win rate for white, based on 119 Lichess games. Average game length is 34 moves with a 4.6% draw rate.

What is the Grob Opening: Keene Defense, Main Line win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Grob Opening: Keene Defense, Main Line has a 48.8% (90% CI: 42.8%-54.8%) win rate for white, based on 186 Lichess games. Average game length is 37 moves with a 5.1% draw rate.

What is the Grob Opening: Keene Defense, Main Line win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Grob Opening: Keene Defense, Main Line has a 42.2% (90% CI: 36.2%-48.4%) win rate for white, based on 175 Lichess games. Average game length is 35 moves with a 4.2% draw rate.

What is the Grob Opening: Keene Defense, Main Line win rate in Bullet?

In Bullet games, the Grob Opening: Keene Defense, Main Line has a 46.8% (90% CI: 41.2%-52.5%) win rate for white (211 Lichess games). Draw rate is 2.6%.

What is the Grob Opening: Keene Defense, Main Line win rate in Blitz?

In Blitz games, the Grob Opening: Keene Defense, Main Line has a 46.3% (90% CI: 42.1%-50.6%) win rate for white (371 Lichess games). Draw rate is 4.2%.

Is the Grob Opening: Keene Defense, Main Line a good opening?

The Grob Opening: Keene Defense, Main Line is slightly favors black with a 46.0% (90% CI: 42.7%-49.3%) 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.