C
GM

Castellanos Rodriguez, Renier

ESP ESP·Born 1982·FIDE #3404650·917 Games

Classical2462829 Games
Rapid241835 Games
Blitz256253 Games

Play against Castellanos Rodriguez, Renier's Twin

PRO

Uses their openings, level & style

Statistics

Total

917

Wins

408

Draws

340

Losses

169
44%37%18%

Play Style

What you need to know before facing them
Elite accuracy: 92.6% average
High resilience (61%): Dangerous even when losing
Very consistent (85%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (72% in 36 games)
Vulnerable to 1.d4 ♔ (only 42%)

Deep Analysis

Stockfish 18 · Classical games · 71 analyzed
Accuracy by phase
Opening
96.8%
Middlegame
93.8%
Endgame
95.1%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+8%
Winning (+2 or more)
95%28g
Equal position
93%30g
Losing (-2 or more)
87%13g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
30%
21 errors
20%
14 errors
15%
11 errors
15%
11 errors
11%
8 errors
8%
6 errors
Critical Moment — When does the first serious error occur?
Move 40 average
0%
25%
25%
25%
25%
1-15
16-25
26-35
36-45
46+
25% of blunders occur between move 16-25. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
4
4
4
4
Few
Many
Critical squares
b3
4 err
e3
4 err
e4
4 err
e5
4 err
c7
3 err
b3/e3 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
White55.8%Wins
Ruy Lopez: Morphy — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a652 Games · last played 8 months ago
White56.5%Wins
French: Tarrasch — 1.e4 e6 2.d4 d5 3.Nd223 Games · last played 3 years ago
Black50.9%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6110 Games · last played 3 weeks ago
Black51.9%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d652 Games · last played 8 months ago

Critical Blunders

10 errors · Stockfish
Bh5??vs Mingarro CarcellerOTB · 2025
Bb3??vs Jordan MartinezOTB · 2025
Qg2+??vs RisteskiOTB · 2025
Kg2??vs DehtiarovOTB · 2025
Bd7??vs PonomariovOTB · 2025
Qc7??vs KoutlasOTB · 2025
Kh6??vs XuOTB · 2025
Qxa4??vs Domene MulyukovOTB · 2025
e4??vs Korneev LeskovaOTB · 2025
Kd3??vs Gonzalez SalazarOTB · 2025

Recent Games

W
Uber Gracia, Hugo(2298)

45th Benasque Open 2026 · 12 Jul 2026

1-0
D
Ubilava, Elizbar(2368)

45th Benasque Open 2026 · 11 Jul 2026

½-½
W
Garrigue, Julian(2275)

45th Benasque Open 2026 · 10 Jul 2026

1-0
D
Xu,Yang(2288)

45th Benasque Open 2026 · 9 Jul 2026

½-½
W
Odriozola Coscolin, Alex(2243)

45th Benasque Open 2026 · 8 Jul 2026

1-0
D
Lorente Melcon, Maximo(2255)

45th Benasque Open 2026 · 7 Jul 2026

½-½

Endgame Statistics

PRO19 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
466 Games
47%33%20%
MoveGamesPerformance%
1.e4
329
66%
1.c4
54
66%
1.d4
46
42%
1.Nf3Strong
36
72%
1.c3Weak
1
0%

🍪 Cookies · Chess Stalker uses technical cookies (required for operation) and analytical cookies (to improve the service). Analytical cookies are optional.