Ruiz Castillo, Joshua Daniel

COL COL·Born 1997·FIDE #4400704·1,661 Games

Classical24811,527 Games

Rapid246556 Games

Blitz249178 Games

Play against Ruiz Castillo, Joshua Daniel's Twin

PRO

Uses their openings, level & style

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

Ready to play

1661 games analyzed

Statistics

Total

1661

Wins

868

Draws

381

Losses

412

52%23%25%

Play Style

What you need to know before facing them

Elite accuracy: 93.1% average

High resilience (63%): Dangerous even when losing

Solid conversion: 92%

Very consistent (86%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 ♔ (74% in 29 games)

Deep Analysis

Stockfish 18 · Classical games · 295 analyzed

Accuracy by phase

Opening

95.8%

Middlegame

93.2%

Endgame

95.5%

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)

94%147g

Equal position

94%93g

Losing (-2 or more)

89%55g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

23%

59 errors

19%

47 errors

18%

45 errors

17%

43 errors

15%

37 errors

21 errors

Critical Moment — When does the first serious error occur?

Move 44 average

43%

21%

36%

1-15

16-25

26-35

36-45

46+

43% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

g4 / e4

Critical squares

15 err

9 err

g4/e4 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

Black83.3%Loses

Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

12 Games · last played 5 years agoPlay this line

Strengths

— avoid these lines

White71.4%Wins

Scotch: Classical — 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc514 Games

White66.1%Wins

Ruy Lopez: Morphy — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a662 Games

Black56.8%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6185 Games

Black61.5%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e613 Games

Critical Blunders

10 errors · Stockfish

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#29Bf4??Tacticsvs QinOTB · 2025

#25g4??Tacticsvs Albornoz CabreraBlitz · 2024

#42Bg8??Endgamevs OstrovskiyBlitz · 2024

#26e5??Tacticsvs Ramos SilveraBlitz · 2024

#95Kd5??Endgamevs Orta RuzOTB · 2024

#38Qd4??Tacticsvs NepomniachtchiOTB · 2024

#49Qe7??Endgamevs Valderrama QuicenoBlitz · 2024

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Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

839 Games

57%22%21%

Move	Games	%
1.e4	638	67%
1.b3 Strong	99	72%
1.Nf3	68	68%
1.d4 Strong	29	74%
1.c4	3	67%
1.g3 Strong	2	100%

MoveGamesPerformance%

1.e4

638

67%

1.b3Strong

72%

1.Nf3

68%

1.d4Strong

74%

1.c4

67%

1.g3Strong

100%