Quesada Perez, Yuniesky

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

Classical25911,491 Games

Rapid262518 Games

Blitz2589128 Games

Play against Quesada Perez, Yuniesky's Twin

PRO

Uses their openings, level & style

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

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1637 games analyzed

Statistics

Total

1637

Wins

771

Draws

537

Losses

329

47%33%20%

Play Style

What you need to know before facing them

Elite accuracy: 92.7% average

Solid conversion: 83%

Very consistent (83%)

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 · 155 analyzed

Accuracy by phase

Opening

96.8%

Middlegame

93.1%

Endgame

94.0%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+5%

Winning (+2 or more)

93%61g

Equal position

95%54g

Losing (-2 or more)

88%40g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

19%

35 errors

18%

34 errors

18%

34 errors

17%

33 errors

14%

27 errors

14%

26 errors

Critical Moment — When does the first serious error occur?

Move 41 average

13%

27%

33%

27%

1-15

16-25

26-35

36-45

46+

33% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

e5 / g6

Critical squares

8 err

7 err

6 err

e5/g6 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

No significant weaknesses detected as Black

Strengths

— avoid these lines

White75.0%Wins

Caro-Kann: Advance — 1.e4 c6 2.d4 d5 3.e548 Games · last played 6 months ago

White72.0%Wins

Italian: Giuoco Piano — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc525 Games · last played last year

Black60.0%Wins

Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc615 Games · last played 7 months ago

Black53.3%Wins

Italian: Giuoco Piano — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc530 Games · last played last year

Critical Blunders

10 errors · Stockfish

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#35Rc4??Tacticsvs LazavikOTB · 2025

#30Rb5??Tacticsvs BulgakOTB · 2025

#41Kh5??Endgamevs GunawardhanaOTB · 2025

#46Kd5??Endgamevs AshrafOTB · 2025

#46Nd3??Endgamevs IsaevOTB · 2025