GM

Quesada Perez, Luis Ernesto

MEX MEX·Born 1999·FIDE #3520773·802 Games

Classical2551773 Games
Rapid25360 Games
Blitz257029 Games

Statistics

802

Total

401

Wins

281

Draws

120

Losses

50%35%15%

Play Style

What you need to know before facing them

Elite accuracy: 93.9% average
High resilience (66%): Dangerous even when losing
Solid conversion: 90%
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (76% in 34 games)

Deep Analysis

Stockfish 18 · Classical games · 416 analyzed

Accuracy by phase
Opening96.5%
Middlegame94.4%
Endgame95.9%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)95%
200 Games
Equal position95%
161 Games
Losing (-2 or more)89%
55 Games

Problematic Pieces

Which pieces cause most errors?

♖
26%
72 errors
♗
18%
51 errors
♞
15%
43 errors
♕
15%
42 errors
♔
13%
36 errors
♙
13%
37 errors

Critical Moment

When does the first serious error occur?

Move 37average
1-15
16-25
26-35
36-45
46+
29% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

9
9
10
8
12
8
11
10
9
9
abcdefgh
Many
Few
Critical squares
e412 err
c311 err
d310 err
g510 err
d59 err
e4/c3 concentrate most errors. Force decisions in those zones.

Recent Games

L
Valdes, Le1533

LXXI Mexican Open 2026 · 5 Apr 2026

1-0
L
Valdes Romero, Leonardo2325

LXXI Mexican Open 2026 · 5 Apr 2026

1-0
D
Hidalgo Diaz, Daniel2365

LXXI Mexican Open 2026 · 4 Apr 2026

½-½
D
Cori, Jorge2605

LXXI Mexican Open 2026 · 4 Apr 2026

½-½
D
Miranda Mesa, Elier2445

LXXI Mexican Open 2026 · 3 Apr 2026

½-½
W
Gutierrez Delgado, Yusuan A.2291

LXXI Mexican Open 2026 · 3 Apr 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
Slav: Semi-Slav
53.3%
15 Games·Loses

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3

Strengths

AVOID
White
Grünfeld
73.3%
15 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 d5

1.b3 e5 2.Bb2 Nc6
70.0%
10 Games·Wins

1.b3 e5 2.Bb2 Nc6

Black
Italian: Two Knights
73.3%
15 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6

Sicilian: d6 Systems
50.8%
63 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#41d4??
Endgame
vs Bilovil
OTB·2025
▶
#26Qd7??
Tactics
vs Cori
Blitz·2025
▶
#26e5??
Tactics
vs Salinas Herrera
OTB·2025
▶
#25Nc3??
Tactics
vs Cori
OTB·2025
▶
#24Qb4??
Tactics
vs Garrido Outon
OTB·2025
▶
#51Ra2??
Endgame
vs Avila Pavas
OTB·2025
▶
#48Rxb4??
Endgame
vs Avila Pavas
Blitz·2025
▶
#48Kd7??
Endgame
vs Fier
Blitz·2025
▶
#25Qa3??
Tactics
vs Cori Quispe
OTB·2025
▶
#26Rbc8??
Tactics
vs Martinez Alcantara
OTB·2025
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2021
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
388 Games
53%36%11%
1.d4
70%
255
1.Nf3
71%
35
1.e4
77%
34
1.c4
71%
34
1.b3
73%
28
1.a3
100%
1
1.g3
100%
1
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