Q
GM
Quesada Perez, Luis Ernesto
MEX·Born 1999·FIDE #3520773·994 Games
MEXFIDE OTB · #3520773 · 994 Games
Classical2536965 g Games
Rapid25350 g Games
Blitz257629 g Games
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994 games analyzed
Statistics
Total
994Wins
516Draws
294Losses
18452%30%19%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 93.8% average
High resilience (66%): Dangerous even when losing
Solid conversion: 90%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (82% in 45 games)
Deep Analysis
Stockfish 18 · Classical games · 537 analyzedAccuracy by phase
Opening
96.3%
Middlegame
93.8%
Endgame
95.3%
Clutch Factor
+5%Winning (+2)Winning (+2)
95%250g
EqualEqual position
95%163g
Losing (−2)Losing (−2)
90%87g
Accuracy under pressure
Problematic Pieces — which cause most errors?
23%
113 err
17%
80 err
17%
80 err
16%
75 err
15%
71 err
13%
63 err
Critical Moment
Move 42 avg5%
1-15
12%
16-25
20%
26-35
22%
36-45
40%
46+
40% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.
Error Heatmap — where do errors occur?
14
15
17
17
16
16
15
FewMany
Errors mapped
149
Hotspot zone
d5 / e4
Critical squares
d5
17 err
e4
17 err
c3
16 err
f4
16 err
d3
15 err
d5/e4 account for most of the errors. Force decisions in those zones.
Openings
994 GamesBased on 994 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
asblack53.3%Losses
Slav: Semi-Slav — 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3
15 Games · last played 11 months agoPlay this line
Strengths
— avoid these— avoid these linesaswhite90.0%Wins
1.b3 Nf6 2.Bb2 g6 — 1.b3 Nf6 2.Bb2 g610 Games · last played last week
10 Games · last played last week
aswhite73.3%Wins
Grünfeld — 1.d4 Nf6 2.c4 g6 3.Nc3 d515 Games · last played last month
15 Games · last played last month
asblack73.3%Wins
Italian: Two Knights — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf615 Games · last played 9 months ago
15 Games · last played 9 months ago
asblack58.3%Wins
King's Indian — 1.d4 Nf6 2.c4 g612 Games · last played last month
12 Games · last played last month
Critical Blunders
10 errors · Stockfish#41Qd6??vs BortnykOTB · 2026
#40Rxg6??vs PiliposyanOTB · 2026
#64Kxe5??vs RumyantsevOTB · 2026
#19Qb7??vs HaugOTB · 2026
#36Qc6??vs Saksham WadhwaOTB · 2026
#45h3??vs BrownOTB · 2026
#67Kg3??vs GharibyanOTB · 2026
#20Nxa2??vs MohammadiOTB · 2026
#13d4??vs TanenbaumOTB · 2026
#53Qg6+??vs IndjicOTB · 2026
Recent Games
994 GamesW
Banerjee, Supratit(2347)
1st 3-0 Thu 23rd Jul 2026 · 23 Jul 2026
L
Lattafi, Youcef(2029)
2nd 3-0 Thu 23rd Jul 2026 · 23 Jul 2026
W
Baturin-Vinogradov, Miroslav(2189)
1st 3-0 Thu 23rd Jul 2026 · 23 Jul 2026
L
Atakhan, Abtin(2407)
1st 3-0 Thu 23rd Jul 2026 · 23 Jul 2026
L
Bulgak,Damir(2200)
2nd 3-0 Thu 23rd Jul 2026 · 23 Jul 2026
W
Takahashi Guevara, Javier Kazuo(2153)
2nd 3-0 Thu 23rd Jul 2026 · 23 Jul 2026
Endgame Statistics
PRO309 endgames (55.2%)Unlock Endgame Statistics
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
8
76
5
4
3
2
1a
b
c
d
efghMove arrowsmost-played moves
Stockfish
491 Games
57%30%13%
MoveGamesPerformance%
1.d4Strong
26171%
1.b3Strong
8273%
1.e4Strong
4582%
1.Nf3
4267%
1.c4Strong
3471%
1.a3
1070%
1.c3
850%
1.h4Strong
580%
1.a4Strong
3100%
1.g3Strong
1100%