Gunderam Defense

1 variations · 746K games from Lichess · Updated January 2026

Key Finding

Gunderam Defense gives White a 52.5% expected score — a strong opening choice.

With a minimum advantage of 4.7%, this opening reliably outperforms the baseline 50% expected score.

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Rating

Time

White Expected Score0.0%Range (90% confident): 52.4% – 52.6%Aggregated from 1 variations

0%52.5%100%

Range (90% confident): 52.4% – 52.6%

ContextOverall · n=746K

Outcome Distribution

50.7%3.6%45.8%

Win

Draw

Loss

2...Qe7

Gunderam Defense

Variations1

Games (Context)746K

Avg Length33 moves

Draw Rate3.6%

What Should I Play?

Player-controlled continuations for White · Overall · limited data

No continuation list is available for this context yet (needs more games).

Continuations show the most common variations from this opening. Higher expected scores indicate better statistical outcomes, but familiarity and playstyle matter too.

Snapshot

Overall, the Gunderam Defense family has a 52.5% expected score for White (we're 90% confident it's between 52.4% and 52.6%), aggregated from 1 variations and 746K Lichess games.

White Win% by Rating

Declines with rating: 54% → 47%

1000

1200

1400

1600

1800

2000

2200

2500+

White Win% by Time Control

Best in Classical (56%), worst in Bullet (48%)

UltraBullet

Bullet

Blitz

Rapid

Classical

Rating vs Time Control Matrix

Click cells to filter · White expected scores

White% by Rating × Time Control

Click any cell to filter. Green = above 50%, Red = below 50%.

Rating	UB	Bulle	Blitz	Rapid	Class
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: 55.8% expected score (208 games)
0-999 rating, Bullet: 54.9% expected score (18,402 games)
0-999 rating, Blitz: 55.1% expected score (63,949 games)
0-999 rating, Rapid: 57.3% expected score (44,437 games)
0-999 rating, Classical: 60.2% expected score (456 games)
1000-1199 rating, UltraBullet: 53.9% expected score (774 games)
1000-1199 rating, Bullet: 53.1% expected score (17,467 games)
1000-1199 rating, Blitz: 54.8% expected score (59,821 games)
1000-1199 rating, Rapid: 57.4% expected score (38,389 games)
1000-1199 rating, Classical: 57.9% expected score (1,536 games)
1200-1399 rating, UltraBullet: 53.8% expected score (604 games)
1200-1399 rating, Bullet: 48.8% expected score (24,536 games)
1200-1399 rating, Blitz: 52.9% expected score (55,035 games)
1200-1399 rating, Rapid: 55.0% expected score (45,104 games)
1200-1399 rating, Classical: 59.7% expected score (2,663 games)
1400-1599 rating, UltraBullet: 54.5% expected score (418 games)
1400-1599 rating, Bullet: 47.1% expected score (31,555 games)
1400-1599 rating, Blitz: 50.8% expected score (67,861 games)
1400-1599 rating, Rapid: 54.3% expected score (32,542 games)
1400-1599 rating, Classical: 56.9% expected score (3,738 games)
1600-1799 rating, UltraBullet: 47.2% expected score (208 games)
1600-1799 rating, Bullet: 47.5% expected score (40,826 games)
1600-1799 rating, Blitz: 51.0% expected score (42,935 games)
1600-1799 rating, Rapid: 53.0% expected score (17,171 games)
1600-1799 rating, Classical: 59.8% expected score (2,095 games)
1800-1999 rating, UltraBullet: 56.9% expected score (260 games)
1800-1999 rating, Bullet: 48.7% expected score (25,783 games)
1800-1999 rating, Blitz: 50.2% expected score (28,236 games)
1800-1999 rating, Rapid: 52.2% expected score (11,122 games)
1800-1999 rating, Classical: 55.8% expected score (401 games)
2000-2199 rating, UltraBullet: 62.7% expected score (136 games)
2000-2199 rating, Bullet: 46.4% expected score (18,271 games)
2000-2199 rating, Blitz: 49.4% expected score (17,680 games)
2000-2199 rating, Rapid: 51.8% expected score (3,225 games)
2000-2199 rating, Classical: 54.9% expected score (70 games)
2200-2499 rating, UltraBullet: 54.0% expected score (11 games)
2200-2499 rating, Bullet: 46.6% expected score (10,357 games)
2200-2499 rating, Blitz: 52.1% expected score (11,006 games)
2200-2499 rating, Rapid: 56.2% expected score (889 games)
2200-2499 rating, Classical: 50.0% expected score (6 games)
2500+ rating, UltraBullet: 70.0% expected score (1 games)
2500+ rating, Bullet: 48.0% expected score (4,831 games)
2500+ rating, Blitz: 62.2% expected score (659 games)
2500+ rating, Rapid: 63.6% expected score (17 games)
2500+ rating, Classical: 70.0% expected score (1 games)

Matrix view reveals how performance varies across rating brackets and time controls. Green indicates favorable, red indicates challenging contexts.

Variations (1)

Gunderam Defense746K games

Winning52.5%

Analyze Gunderam Defense PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Gunderam Defense win rate?

The Gunderam Defense family has a 50.7% (90% CI: 50.6%-50.8%) win rate for white, aggregated from 1 variations and 746K rated games from Lichess.

How many Gunderam Defense variations are there?

This analysis covers 1 Gunderam Defense variations with sufficient game data. Each variation has its own statistics page with detailed win rates by rating and time control.

At what rating does the Gunderam Defense perform best?

The Gunderam Defense family performs best at 0-999 Elo with a 53.8% win rate for white (127K games). Performance may vary by specific variation.

Is the Gunderam Defense better in blitz or rapid?

Classical (55.8%) outperforms Bullet (47.8%) by 8.0% across all Gunderam Defense variations.

How sharp is the Gunderam Defense?

Gunderam Defense games are 96.4% decisive (non-draws), with an average length of 33 moves. Sharpness varies by specific variation.

Is the Gunderam Defense a good opening family?

The Gunderam Defense family is statistically favors white overall with a 50.7% (90% CI: 50.6%-50.8%) aggregated win rate. However, win rates vary significantly between the 1 variations—explore individual lines to find the best fit for your style.