Obregon Rivero, Juan Carlos

MEX MEX·Born 1989·FIDE #3507815·894 Games

FIDE OTB · #3507815 · 894 Games

Classical2468894 g Games

Rapid25030 g Games

Blitz25150 g Games

Play against Obregon Rivero's Twin

PRO

Uses their openings, level & style

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

Ready to play

894 games analyzed

Statistics

Total

894

Wins

475

Draws

199

Losses

220

53%22%25%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 92.6% average

Solid conversion: 89%

Very consistent (83%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (82% in 44 games)

Deep Analysis

Stockfish 18 · Classical games · 216 analyzed

Accuracy by phase

Opening

95.9%

Middlegame

93.3%

Endgame

95.2%

Clutch Factor

+5%

Winning (+2)Winning (+2)

93%114g

EqualEqual position

95%56g

Losing (−2)Losing (−2)

88%46g

Accuracy under pressure

Problematic Pieces — which cause most errors?

31%

69 err

20%

44 err

17%

38 err

14%

31 err

10%

22 err

20 err

Critical Moment

Move 46 avg

1-15

16-25

21%

26-35

26%

36-45

47%

46+

47% 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 / e4

Critical squares

9 err

8 err

e2/e4 account for most of the errors. Force decisions in those zones.

Openings

894 GamesBased on 894 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

aswhite80.0%Wins

French: Winawer — 1.e4 e6 2.d4 d5 3.Nc3 Bb410 Games · last played 2 years ago

10 Games · last played 2 years ago

aswhite75.0%Wins

Ruy Lopez: Morphy — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a612 Games · last played 5 months ago

12 Games · last played 5 months ago

asblack84.6%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e613 Games · last played 2 months ago

13 Games · last played 2 months ago

asblack63.6%Wins

Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g611 Games · last played 5 months ago

11 Games · last played 5 months ago

Critical Blunders

10 errors · Stockfish

#21Red8??Tacticsvs FierOTB · 2026

#47Qg4+??Endgamevs LiOTB · 2026

#89Ra6??Endgamevs Morlett OvalleOTB · 2025

#39h4??Tacticsvs Fernandez HernandezOTB · 2025

#65Rg5??Endgamevs BuksaOTB · 2025

#27Kf7??Tacticsvs HansenOTB · 2025

#54Rg5??Endgamevs Baturin-VinogradovOTB · 2025

#43Be8??Endgamevs IvanytskaOTB · 2025

#17b5??Tacticsvs LazavikOTB · 2025

#66Kf1??Endgamevs Martinez AlcantaraOTB · 2025

Recent Games

894 Games

Cori, Jorge(2613)

19th American Continental · 10 Jun 2026

1-0

Fier, Alexandr(2553)

19th American Continental · 9 Jun 2026

1-0

Martinez Ramirez, Lennis(2395)

19th American Continental · 8 Jun 2026

1-0

Jimenez Garcia, Emmanuel(2349)

19th American Continental · 7 Jun 2026

1-0

Galaviz Medina, Sion Radamantys(2513)

19th American Continental · 6 Jun 2026

½-½

Shankland, Sam(2647)

19th American Continental · 5 Jun 2026

½-½

Endgame Statistics

PRO99 endgames (46.7%)

Strongest

61%

Rook+Bishop vs Rook+Knight

Weakest

20%

Other Endgame

Reaches Endgame

46.7%

99 / 212

B vs N Pref

40% · 0%

5 / 3

PiecesTypeWin %Games

Rook + Minor56.6%53

Rook + Equal Minors56%25

Queen vs Pieces36.4%22

Rook vs Rook47.6%21

Rook vs Minor (Exchange)40%20

Rook + Bishop Pair55%20

Rook + Minor56.6%53

Rook + Equal Minors56%25

Queen vs Pieces36.4%22

Rook vs Rook47.6%21

Rook vs Minor (Exchange)40%20

Rook + Bishop Pair55%20

Weakest: Other Endgame 20%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

453 Games

59%19%22%

Move	Games	%
1.e4	223	66%
1.Nf3	147	65%
1.c4 Strong	44	82%
1.d4 Strong	37	77%
1.b3	2	50%

MoveGamesPerformance%

1.e4

223

66%

1.Nf3

147

65%

1.c4Strong

82%

1.d4Strong

77%

1.b3

50%