Mexican Defense

2 variations · 447K games from Lichess · Updated January 2026

Key Finding

Mexican Defense gives White a 52.1% expected score — a strong opening choice.

With a minimum advantage of 3.9%, this opening reliably outperforms the baseline 50% expected score.

You play

Playable

Rating

Time

White Expected Score0.0%Range (90% confident): 52.0% – 52.2%Aggregated from 2 variations

0%52.1%100%

Range (90% confident): 52.0% – 52.2%

ContextOverall · n=447K

Outcome Distribution

50.1%3.9%46.0%

Win

Draw

Loss

2...Nc6

Mexican Defense

Variations2

Games (Context)447K

Avg Length33 moves

Draw Rate3.9%

What Should I Play?

Player-controlled continuations for White · Overall

#1Mexican Defense: Horsefly GambitTop Pick

1.d4 Nf6 2.c4 Nc6 3.d5 Ne5 4.f4

Min adv -3.2% · n=6.8K

49.4%

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 Mexican Defense family has a 52.1% expected score for White (we're 90% confident it's between 52.0% and 52.2%), aggregated from 2 variations and 447K Lichess games.

White Win% by Rating

Declines with rating: 52% → 50%

1000

1200

1400

1600

1800

2000

2200

2500+

White Win% by Time Control

Best in Classical (54%), worst in Blitz (49%)

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: 58.9% expected score (49 games)
0-999 rating, Bullet: 52.8% expected score (8,888 games)
0-999 rating, Blitz: 53.9% expected score (15,984 games)
0-999 rating, Rapid: 54.9% expected score (6,253 games)
0-999 rating, Classical: 51.9% expected score (52 games)
1000-1199 rating, UltraBullet: 62.4% expected score (132 games)
1000-1199 rating, Bullet: 55.0% expected score (15,023 games)
1000-1199 rating, Blitz: 55.1% expected score (21,122 games)
1000-1199 rating, Rapid: 57.9% expected score (8,192 games)
1000-1199 rating, Classical: 56.1% expected score (147 games)
1200-1399 rating, UltraBullet: 51.6% expected score (313 games)
1200-1399 rating, Bullet: 54.4% expected score (20,017 games)
1200-1399 rating, Blitz: 54.6% expected score (25,357 games)
1200-1399 rating, Rapid: 57.2% expected score (8,634 games)
1200-1399 rating, Classical: 60.1% expected score (410 games)
1400-1599 rating, UltraBullet: 52.3% expected score (683 games)
1400-1599 rating, Bullet: 54.2% expected score (21,684 games)
1400-1599 rating, Blitz: 53.6% expected score (28,391 games)
1400-1599 rating, Rapid: 57.2% expected score (8,148 games)
1400-1599 rating, Classical: 65.7% expected score (565 games)
1600-1799 rating, UltraBullet: 49.0% expected score (656 games)
1600-1799 rating, Bullet: 53.1% expected score (24,859 games)
1600-1799 rating, Blitz: 51.2% expected score (30,636 games)
1600-1799 rating, Rapid: 53.8% expected score (7,170 games)
1600-1799 rating, Classical: 54.8% expected score (418 games)
1800-1999 rating, UltraBullet: 49.4% expected score (303 games)
1800-1999 rating, Bullet: 51.3% expected score (24,951 games)
1800-1999 rating, Blitz: 48.4% expected score (36,860 games)
1800-1999 rating, Rapid: 51.2% expected score (6,363 games)
1800-1999 rating, Classical: 49.7% expected score (321 games)
2000-2199 rating, UltraBullet: 59.3% expected score (74 games)
2000-2199 rating, Bullet: 49.2% expected score (21,716 games)
2000-2199 rating, Blitz: 47.1% expected score (39,801 games)
2000-2199 rating, Rapid: 49.1% expected score (4,980 games)
2000-2199 rating, Classical: 47.0% expected score (199 games)
2200-2499 rating, UltraBullet: 29.0% expected score (8 games)
2200-2499 rating, Bullet: 50.7% expected score (20,751 games)
2200-2499 rating, Blitz: 49.8% expected score (26,770 games)
2200-2499 rating, Rapid: 52.9% expected score (2,184 games)
2200-2499 rating, Classical: 61.6% expected score (46 games)
2500+ rating, Bullet: 53.4% expected score (4,939 games)
2500+ rating, Blitz: 54.9% expected score (3,102 games)
2500+ rating, Rapid: 57.6% expected score (105 games)
2500+ rating, Classical: 61.1% expected score (3 games)

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

Variations (2)

Mexican Defense441K games

Balanced52.1%

Mexican Defense: Horsefly Gambit6.8K games

Balanced49.4%

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

Frequently Asked Questions

What is the Mexican Defense win rate?

The Mexican Defense family has a 50.1% (90% CI: 50.0%-50.3%) win rate for white, aggregated from 2 variations and 447K rated games from Lichess.

How many Mexican Defense variations are there?

This analysis covers 2 Mexican 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 Mexican Defense perform best?

The Mexican Defense family performs best at 1000-1199 Elo with a 54.0% win rate for white (45K games). Performance may vary by specific variation.

Is the Mexican Defense better in blitz or rapid?

Classical (54.3%) outperforms Blitz (48.9%) by 5.4% across all Mexican Defense variations.

How sharp is the Mexican Defense?

Mexican Defense games are 96.1% decisive (non-draws), with an average length of 33 moves. Sharpness varies by specific variation.

Is the Mexican Defense a good opening family?

The Mexican Defense family is statistically balanced overall with a 50.1% (90% CI: 50.0%-50.3%) aggregated win rate. However, win rates vary significantly between the 2 variations—explore individual lines to find the best fit for your style.