GM

Quesada Perez, Yuniesky

USA USA·Born 1984·FIDE #3504409·1,637 Games

Classical25911,491 Games
Rapid262518 Games
Blitz2589128 Games

Statistics

1637

Total

771

Wins

537

Draws

329

Losses

47%33%20%

Play Style

What you need to know before facing them

Elite accuracy: 92.9% average
Solid conversion: 85%
Very consistent (81%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 ♔ (72% in 27 games)
Vulnerable to 1.c4 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 128 analyzed

Accuracy by phase
Opening96.9%
Middlegame93.7%
Endgame94.3%

Clutch Factor

Performance under pressure

+7%
Winning (+2 or more)93%
53 Games
Equal position95%
52 Games
Losing (-2 or more)87%
23 Games

Problematic Pieces

Which pieces cause most errors?

♙
20%
24 errors
♗
19%
23 errors
♖
19%
23 errors
♞
16%
19 errors
♕
15%
18 errors
♔
12%
15 errors

Critical Moment

When does the first serious error occur?

Move 42average
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

4
3
4
3
5
4
5
3
3
4
abcdefgh
Many
Few
Critical squares
d55 err
h55 err
c74 err
e54 err
f14 err
d5/h5 concentrate most errors. Force decisions in those zones.

Recent Games

W
Hnatyshyn, Anastasiia2164

Titled Tue 20th Jan 2026 · 20 Jan 2026

0-1
W
Vokhidov, Shamsiddin2644

Titled Tue 20th Jan 2026 · 20 Jan 2026

1-0
L
Nakamura, Hikaru2810

Titled Tue 20th Jan 2026 · 20 Jan 2026

0-1
W
Nurgaliyeva, Zarina2286

Titled Tue 20th Jan 2026 · 20 Jan 2026

1-0
W
Brattgjerd, Isak Vinh2255

Titled Tue 20th Jan 2026 · 20 Jan 2026

0-1
W
Deveci, Huseyin Said2238

Titled Tue 20th Jan 2026 · 20 Jan 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Caro-Kann: Advance
75.0%
48 Games·Wins

1.e4 c6 2.d4 d5 3.e5

Italian: Giuoco Piano
72.0%
25 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Black
Sicilian: 2...Nc6
60.0%
15 Games·Wins

1.e4 c5 2.Nf3 Nc6

Italian: Giuoco Piano
53.3%
30 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#30Rb5??
Tactics
vs Bulgak
OTB·2025
▶
#41Kh5??
Endgame
vs Gunawardhana
OTB·2025
▶
#35Rc4??
Tactics
vs Lazavik
OTB·2025
▶
#32Qb1??
Tactics
vs Mikhailova
OTB·2025
▶
#36a3??
Endgame
vs Guliev
OTB·2025
▶
#46Kd5??
Endgame
vs Ashraf
OTB·2025
▶
#46Nd3??
Endgame
vs Isaev
OTB·2025
▶
#51Bc7??
Endgame
vs Bluebaum
OTB·2025
▶
#41g4??
Endgame
vs Shankland
Blitz·2024
▶
#44Kf8??
Endgame
vs Oparin
Blitz·2024
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
822 Games
54%31%15%
1.e4
69%
779
1.d4
72%
27
1.Nf3
68%
11
1.c4
70%
5
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