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Indian Defense: Anti-Grünfeld, Basman-Williams Attack

32K games from Lichess · Updated January 2026

Playable
White Expected Score51.0%Range (90% confident): 50.5% – 51.4%Based on 32K games
0%51.0%100%
Range (90% confident): 50.5% – 51.4%
Outcome Distribution
48.4%5.0%46.5%
Win
Draw
Loss
3.h4
Indian Defense: Anti-Grünfeld, Basman-Williams Attack
Analyzen=32K
Avg Length34 moves
Sharpness95%
Draw Rate5.0%

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack expected score for White?

Snapshot

At all ratings, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 51.0% expected score for White (we're 90% confident it's between 50.5% and 51.4%), based on 32K Lichess games.

White Win% by Rating

Stable across ratings (~48%)

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 47.5% win rate (109 games)
  • 1000-1199: 45.2% win rate (444 games)
  • 1200-1399: 50.2% win rate (998 games)
  • 1400-1599: 48.5% win rate (2,102 games)
  • 1600-1799: 50.3% win rate (3,871 games)
  • 1800-1999: 47.6% win rate (6,315 games)
  • 2000-2199: 48.0% win rate (8,902 games)
  • 2200-2499: 48.7% win rate (7,001 games)
  • 2500+: 48.2% win rate (2,304 games)

White Win% by Time Control

Best in Rapid (50%), worst in UltraBullet (46%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 45.8% win rate (28 games)
  • Bullet: 48.2% win rate (7,547 games)
  • Blitz: 48.3% win rate (19,946 games)
  • Rapid: 49.7% win rate (4,335 games)
  • Classical: 47.8% win rate (190 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: 53.2% expected score (30 games)
  • 0-999 rating, Blitz: 40.1% expected score (49 games)
  • 0-999 rating, Rapid: 62.7% expected score (30 games)
  • 1000-1199 rating, Bullet: 41.9% expected score (109 games)
  • 1000-1199 rating, Blitz: 47.9% expected score (261 games)
  • 1000-1199 rating, Rapid: 47.9% expected score (70 games)
  • 1000-1199 rating, Classical: 50.0% expected score (4 games)
  • 1200-1399 rating, Bullet: 49.0% expected score (239 games)
  • 1200-1399 rating, Blitz: 51.6% expected score (567 games)
  • 1200-1399 rating, Rapid: 54.5% expected score (190 games)
  • 1200-1399 rating, Classical: 50.0% expected score (2 games)
  • 1400-1599 rating, UltraBullet: 50.0% expected score (2 games)
  • 1400-1599 rating, Bullet: 49.8% expected score (450 games)
  • 1400-1599 rating, Blitz: 50.0% expected score (1,240 games)
  • 1400-1599 rating, Rapid: 51.1% expected score (401 games)
  • 1400-1599 rating, Classical: 54.8% expected score (9 games)
  • 1600-1799 rating, UltraBullet: 42.4% expected score (5 games)
  • 1600-1799 rating, Bullet: 49.9% expected score (1,014 games)
  • 1600-1799 rating, Blitz: 51.8% expected score (2,203 games)
  • 1600-1799 rating, Rapid: 54.9% expected score (622 games)
  • 1600-1799 rating, Classical: 46.5% expected score (27 games)
  • 1800-1999 rating, UltraBullet: 45.3% expected score (9 games)
  • 1800-1999 rating, Bullet: 49.2% expected score (1,335 games)
  • 1800-1999 rating, Blitz: 49.1% expected score (3,888 games)
  • 1800-1999 rating, Rapid: 50.9% expected score (1,022 games)
  • 1800-1999 rating, Classical: 46.0% expected score (61 games)
  • 2000-2199 rating, UltraBullet: 55.3% expected score (8 games)
  • 2000-2199 rating, Bullet: 50.9% expected score (1,814 games)
  • 2000-2199 rating, Blitz: 49.4% expected score (5,778 games)
  • 2000-2199 rating, Rapid: 53.5% expected score (1,250 games)
  • 2000-2199 rating, Classical: 64.1% expected score (52 games)
  • 2200-2499 rating, UltraBullet: 50.0% expected score (4 games)
  • 2200-2499 rating, Bullet: 49.8% expected score (1,490 games)
  • 2200-2499 rating, Blitz: 52.0% expected score (4,859 games)
  • 2200-2499 rating, Rapid: 52.8% expected score (626 games)
  • 2200-2499 rating, Classical: 58.5% expected score (22 games)
  • 2500+ rating, Bullet: 53.6% expected score (1,066 games)
  • 2500+ rating, Blitz: 58.2% expected score (1,101 games)
  • 2500+ rating, Rapid: 51.2% expected score (124 games)
  • 2500+ rating, Classical: 56.9% expected score (13 games)

Related Openings

Parent
Indian Defense
49.6%
Variations (5)
Indian Defense: Anti-Grünfeld, Adorjan Gambit
47.8%
Indian Defense: Anti-Grünfeld, Advance Variation
46.1%
Indian Defense: Anti-Grünfeld, Alekhine Variation
48.6%
Indian Defense: Anti-Grünfeld, Alekhine Variation, Leko Gambit
48.0%
Indian Defense: Anti-Nimzo-Indian
50.6%
Analyze Indian Defense: Anti-Grünfeld, Basman-Williams Attack PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate?

The Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.4% (90% CI: 48.0%-48.9%) win rate for white, based on 32K rated games from Lichess.

At what rating does the Indian Defense: Anti-Grünfeld, Basman-Williams Attack perform best?

The Indian Defense: Anti-Grünfeld, Basman-Williams Attack performs best at 1600-1799 Elo with a 50.3% win rate for white (3.9K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack better in blitz or rapid?

Rapid (49.7%) outperforms Classical (47.8%) by 1.9%. Choose your time control wisely.

How sharp is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack?

The Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a sharpness score of 95.0 (very decisive), meaning 95.0% of games end decisively. Average game length is 34 moves.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 0-999 Elo?

At 0-999 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 47.5% (90% CI: 39.8%-55.3%) win rate for white, based on 109 Lichess games. Average game length is 26 moves with a 5.0% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 45.2% (90% CI: 41.4%-49.1%) win rate for white, based on 444 Lichess games. Average game length is 27 moves with a 2.4% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 50.2% (90% CI: 47.6%-52.8%) win rate for white, based on 998 Lichess games. Average game length is 29 moves with a 2.7% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.5% (90% CI: 46.7%-50.3%) win rate for white, based on 2.1K Lichess games. Average game length is 30 moves with a 3.4% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 50.3% (90% CI: 49.0%-51.7%) win rate for white, based on 3.9K Lichess games. Average game length is 31 moves with a 2.8% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 47.6% (90% CI: 46.5%-48.6%) win rate for white, based on 6.3K Lichess games. Average game length is 33 moves with a 3.6% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.0% (90% CI: 47.1%-48.8%) win rate for white, based on 8.9K Lichess games. Average game length is 35 moves with a 4.7% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.7% (90% CI: 47.8%-49.7%) win rate for white, based on 7.0K Lichess games. Average game length is 37 moves with a 5.8% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate at 2500+ Elo?

At 2500+ Elo, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.2% (90% CI: 46.5%-49.9%) win rate for white, based on 2.3K Lichess games. Average game length is 43 moves with a 15.0% draw rate.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate in Bullet?

In Bullet games, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.2% (90% CI: 47.2%-49.1%) win rate for white (7.5K Lichess games). Draw rate is 4.4%.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate in Blitz?

In Blitz games, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 48.3% (90% CI: 47.7%-48.8%) win rate for white (20K Lichess games). Draw rate is 5.0%.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate in Rapid?

In Rapid games, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 49.7% (90% CI: 48.4%-50.9%) win rate for white (4.3K Lichess games). Draw rate is 6.1%.

What is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack win rate in Classical?

In Classical games, the Indian Defense: Anti-Grünfeld, Basman-Williams Attack has a 47.8% (90% CI: 41.9%-53.7%) win rate for white (190 Lichess games). Draw rate is 12.3%.

Is the Indian Defense: Anti-Grünfeld, Basman-Williams Attack a good opening?

The Indian Defense: Anti-Grünfeld, Basman-Williams Attack is statistically balanced with a 48.4% (90% CI: 48.0%-48.9%) 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.