Reinaldo Castineira, Roi

ESP ESP·Born 1980·FIDE #2206609·800 Games

Classical2467790 Games

Rapid243410 Games

Blitz—0 Games

Play against Reinaldo Castineira, Roi's Twin

PRO

Uses their openings, level & style

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

Ready to play

800 games analyzed

Statistics

Total

800

Wins

329

Draws

281

Losses

190

41%35%24%

Play Style

What you need to know before facing them

Elite accuracy: 92.8% average

High resilience (68%): Dangerous even when losing

Solid conversion: 89%

Very consistent (92%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 ♔ (71% in 40 games)

Vulnerable to 1.c4 ♚ (only 38%)

Deep Analysis

Stockfish 18 · Classical games · 39 analyzed

Accuracy by phase

Opening

96.0%

Middlegame

92.8%

Endgame

95.3%

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%18g

Equal position

94%14g

Losing (-2 or more)

89%7g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

31%

10 errors

25%

8 errors

12%

4 errors

12%

4 errors

3 errors

Critical Moment — When does the first serious error occur?

Move 47 average

33%

1-15

16-25

26-35

36-45

46+

33% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

d5 / e4

Critical squares

2 err

d5/e4 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White50.0%Loses

Sicilian: Classical — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

8 Games · Low sample · last played 16 years agoPlay this line

White44.4%Loses

Ruy Lopez: Morphy — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6

9 Games · Low sample · last played 20 years agoPlay this line

No significant weaknesses detected as Black

Strengths

— avoid these lines

No consistent strengths detected as White

Black46.2%Wins

Sicilian: Kan — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a613 Games · last played 2 years ago

Critical Blunders

9 errors · Stockfish

#24Nxe5??Tacticsvs Valles MorenoOTB · 2024

#31Bf4??Tacticsvs Gines EsteoOTB · 2023

#75Bc4??Endgamevs BacrotOTB · 2022

#86Nf2??Endgamevs Pulvett MarinOTB · 2022

#37f3??Tacticsvs CordovaOTB · 2022

#25Nf5??Tacticsvs SousaOTB · 2022

#29Qxe4??Tacticsvs Lopez MuletRapid · 2019

#37f4??Tacticsvs Perez CandelarioRapid · 2019

#30a5??Tacticsvs SosaOTB · 2019

Recent Games

800 Games

Carbonell Sancho, Marc(2292)

TCh-ESP 2. Div 2024 · 14 Aug 2024

1-0

Bressac, Stephane(2253)

TCh-ESP 2. Div 2024 · 13 Aug 2024

0-1

Khamrakulov, Ibragim S.(2403)

TCh-ESP 2. Div 2024 · 13 Aug 2024

½-½

Valles Moreno, Ivan(2335)

TCh-ESP 2. Div 2024 · 12 Aug 2024

1-0

Lopez Quevedo, Eduardo(2151)

TCh-ESP 2. Div 2024 · 11 Aug 2024

½-½

Gines Esteo, Pedro Antonio(2482)

TCh-ESP Div 1 2023 · 21 Aug 2023

0-1

Endgame Statistics

PRO20 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

20 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

406 Games

43%37%20%

Move	Games	%
1.e4	298	59%
1.d4 Strong	40	71%
1.c4 Strong	38	71%
1.Nf3	20	70%
1.g3	9	50%
1.b3 Strong	1	100%

MoveGamesPerformance%

1.e4

298

59%

1.d4Strong

71%

1.c4Strong

71%

1.Nf3

70%

1.g3

50%

1.b3Strong

100%