Czech Defense

1 variations · 1.7M games from Lichess · Updated January 2026

Key Finding

Czech Defense is balanced for White at 51.2% expected score.

This opening produces roughly even results, with outcomes depending more on middlegame play than opening choice.

You play

Playable

Rating

Time

White Expected Score0.0%Range (90% confident): 51.1% – 51.2%Aggregated from 1 variations

0%51.2%100%

Range (90% confident): 51.1% – 51.2%

ContextOverall · n=1.7M

Outcome Distribution

49.2%4.0%46.8%

Win

Draw

Loss

3...c6

Czech Defense

Variations1

Games (Context)1.7M

Avg Length34 moves

Draw Rate4.0%

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 Czech Defense family has a 51.2% expected score for White (we're 90% confident it's between 51.1% and 51.2%), aggregated from 1 variations and 1.7M Lichess games.

White Win% by Rating

Improves with rating: 48% → 51%

1000

1200

1400

1600

1800

2000

2200

2500+

White Win% by Time Control

Similar across time controls (~50%)

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: 31.9% expected score (4 games)
0-999 rating, Bullet: 46.6% expected score (7,906 games)
0-999 rating, Blitz: 50.2% expected score (16,714 games)
0-999 rating, Rapid: 50.6% expected score (5,623 games)
0-999 rating, Classical: 76.8% expected score (34 games)
1000-1199 rating, UltraBullet: 50.0% expected score (22 games)
1000-1199 rating, Bullet: 48.0% expected score (18,472 games)
1000-1199 rating, Blitz: 51.2% expected score (45,389 games)
1000-1199 rating, Rapid: 52.9% expected score (18,211 games)
1000-1199 rating, Classical: 48.4% expected score (208 games)
1200-1399 rating, UltraBullet: 31.2% expected score (49 games)
1200-1399 rating, Bullet: 48.5% expected score (32,460 games)
1200-1399 rating, Blitz: 51.0% expected score (84,706 games)
1200-1399 rating, Rapid: 52.3% expected score (39,888 games)
1200-1399 rating, Classical: 52.4% expected score (1,164 games)
1400-1599 rating, UltraBullet: 47.3% expected score (255 games)
1400-1599 rating, Bullet: 49.4% expected score (43,530 games)
1400-1599 rating, Blitz: 50.6% expected score (136,015 games)
1400-1599 rating, Rapid: 52.0% expected score (67,361 games)
1400-1599 rating, Classical: 51.3% expected score (2,845 games)
1600-1799 rating, UltraBullet: 52.6% expected score (413 games)
1600-1799 rating, Bullet: 49.4% expected score (59,491 games)
1600-1799 rating, Blitz: 50.6% expected score (166,050 games)
1600-1799 rating, Rapid: 51.4% expected score (79,640 games)
1600-1799 rating, Classical: 49.2% expected score (5,137 games)
1800-1999 rating, UltraBullet: 48.5% expected score (200 games)
1800-1999 rating, Bullet: 50.6% expected score (67,322 games)
1800-1999 rating, Blitz: 50.5% expected score (189,716 games)
1800-1999 rating, Rapid: 51.6% expected score (68,878 games)
1800-1999 rating, Classical: 53.8% expected score (4,751 games)
2000-2199 rating, UltraBullet: 48.1% expected score (180 games)
2000-2199 rating, Bullet: 50.9% expected score (75,214 games)
2000-2199 rating, Blitz: 51.6% expected score (161,018 games)
2000-2199 rating, Rapid: 53.2% expected score (35,575 games)
2000-2199 rating, Classical: 59.3% expected score (1,185 games)
2200-2499 rating, UltraBullet: 53.0% expected score (100 games)
2200-2499 rating, Bullet: 52.0% expected score (86,752 games)
2200-2499 rating, Blitz: 53.6% expected score (88,971 games)
2200-2499 rating, Rapid: 57.8% expected score (8,475 games)
2200-2499 rating, Classical: 54.9% expected score (121 games)
2500+ rating, UltraBullet: 62.0% expected score (11 games)
2500+ rating, Bullet: 53.1% expected score (27,911 games)
2500+ rating, Blitz: 56.4% expected score (6,810 games)
2500+ rating, Rapid: 65.0% expected score (394 games)
2500+ rating, Classical: 83.4% expected score (3 games)

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

Variations (1)

Czech Defense1.7M games

Balanced51.2%

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

Frequently Asked Questions

What is the Czech Defense win rate?

The Czech Defense family has a 49.2% (90% CI: 49.1%-49.2%) win rate for white, aggregated from 1 variations and 1.7M rated games from Lichess.

How many Czech Defense variations are there?

This analysis covers 1 Czech 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 Czech Defense perform best?

The Czech Defense family performs best at 2200-2499 Elo with a 50.7% win rate for white (184K games). Performance may vary by specific variation.

Is the Czech Defense better in blitz or rapid?

Rapid (49.7%) outperforms UltraBullet (48.3%) by 1.4% across all Czech Defense variations.

How sharp is the Czech Defense?

Czech Defense games are 96.0% decisive (non-draws), with an average length of 34 moves. Sharpness varies by specific variation.

Is the Czech Defense a good opening family?

The Czech Defense family is statistically balanced overall with a 49.2% (90% CI: 49.1%-49.2%) aggregated win rate. However, win rates vary significantly between the 1 variations—explore individual lines to find the best fit for your style.