Quesada Perez, Yasser

CUB CUB·Born 1992·FIDE #3509362·873 Games

FIDE OTB · #3509362 · 873 Games

Classical2547821 g Games

Rapid24980 g Games

Blitz250752 g Games

Play against Quesada Perez's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

873 games analyzed

Statistics

Total

873

Wins

390

Draws

307

Losses

172

45%35%20%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 94.2% average

Solid conversion: 93%

Very consistent (90%)

Very precise: only 0.0 blunders/game

Dominates 1.e4 ♔ (69% in 409 games)

Deep Analysis

Stockfish 18 · Classical games · 312 analyzed

Accuracy by phase

Opening

96.8%

Middlegame

94.1%

Endgame

95.1%

Clutch Factor

+4%

Winning (+2)Winning (+2)

94%137g

EqualEqual position

96%129g

Losing (−2)Losing (−2)

90%46g

Accuracy under pressure

Problematic Pieces — which cause most errors?

27%

55 err

19%

39 err

16%

32 err

15%

31 err

12%

25 err

11%

22 err

Critical Moment

Move 52 avg

1-15

16-25

20%

26-35

10%

36-45

70%

46+

70% 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?

Few

Many

Errors mapped

Hotspot zone

e2 / g3

Critical squares

10 err

9 err

e2/g3 account for most of the errors. Force decisions in those zones.

Openings

873 GamesBased on 873 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite63.6%Wins

Caro-Kann: Exchange — 1.e4 c6 2.d4 d5 3.exd511 Games · last played 12 months ago

11 Games · last played 12 months ago

aswhite60.0%Wins

Italian: Two Knights — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf610 Games · last played last year

10 Games · last played last year

asblack58.1%Wins

Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc631 Games · last played 2 months ago

31 Games · last played 2 months ago

Critical Blunders

10 errors · Stockfish

#59Qxc4??Endgamevs Escalante RamirezOTB · 2024

#44Bd4??Endgamevs BudisavljevicOTB · 2024

#57e7??Endgamevs GhazarianOTB · 2024

#18fxg3??Tacticsvs CanOTB · 2024

#33Qh6+??Tacticsvs Hevia AlejanoOTB · 2024

#51Qg3??Endgamevs DruskaOTB · 2024

#35a6??Tacticsvs LeBlitz · 2024

#34Nxh7??Tacticsvs Escalante RamirezOTB · 2023

#17a6??Tacticsvs AtanasovOTB · 2023

#23Red8??Tacticsvs TheodorouOTB · 2023

Recent Games

873 Games

Draw

Wang, Aaron(2199)

Carolinas Classic 2026 · 14 Jun 2026

½-½

Win

Michelle Catherina, P(2078)

Carolinas Classic 2026 · 14 Jun 2026

1-0

Win

Ma,Cuihan(1888)

Carolinas Classic 2026 · 13 Jun 2026

0-1

Loss

Santosh, Saharsh(2196)

Carolinas Classic 2026 · 13 Jun 2026

0-1

Win

Li, Sophie(1969)

Carolinas Classic 2026 · 12 Jun 2026

0-1

Draw

Can, Isik(2562)

2026 President's Cup: Nat... · 22 Mar 2026

½-½

Endgame Statistics

PRO192 endgames (56.8%)

Strongest

60%

Queen vs Fortress

Weakest

Opposite-Color Bishops

Reaches Endgame

56.8%

192 / 338

B vs N Pref

44.4% · 75%

9 / 4

PiecesTypeWin %Games

Rook + Minor

38.7%106

Rook + Equal Minors

30.6%49

Rook+Bishop vs Rook+Knight

48.8%43

Rook vs Rook

30.8%39

Queen vs Pieces

42.4%33

Rook vs Minor (Exchange)

43.8%32

Rook + Minor38.7%106

Rook + Equal Minors30.6%49

Rook+Bishop vs Rook+Knight48.8%43

Rook vs Rook30.8%39

Queen vs Pieces42.4%33

Rook vs Minor (Exchange)43.8%32

Weakest: Opposite-Color Bishops 0%Show all 23 types

Unlock Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

440 Games

53%31%16%

Move	Games	%
1.e4	411	69%
1.d4	20	58%
1.Nf3Strong	7	93%
1.c4Strong	2	75%

MoveGamesPerformance%

1.e4

411

69%

1.d4

58%

1.Nf3Strong

93%

1.c4Strong

75%