GM

Castellanos Rodriguez, Renier

ESP ESP·Born 1982·FIDE #3404650·909 Games

Classical2462821 Games
Rapid241835 Games
Blitz256253 Games

Statistics

909

Total

403

Wins

337

Draws

169

Losses

44%37%19%

Play Style

What you need to know before facing them

Elite accuracy: 92.5% average
High resilience (61%): Dangerous even when losing
Very consistent (84%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (71% in 34 games)
Vulnerable to 1.d4 ♔ (only 42%)

Deep Analysis

Stockfish 18 · Classical games · 70 analyzed

Accuracy by phase
Opening96.8%
Middlegame93.7%
Endgame95.1%

Clutch Factor

Performance under pressure

+8%
Winning (+2 or more)95%
28 Games
Equal position93%
29 Games
Losing (-2 or more)87%
13 Games

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 40average
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?

3
2
4
2
3
4
3
4
3
4
abcdefgh
Many
Few
Critical squares
b34 err
e34 err
e44 err
e54 err
c73 err
b3/e3 concentrate most errors. Force decisions in those zones.

Recent Games

W
Mingarro Carceller, Sergi2282

Gran Hotel Bali Open A · 5 Dec 2025

1-0
D
Sydoryka, Vladyslav2262

Gran Hotel Bali Open A · 4 Dec 2025

½-½
W
Mingarro Carceller, Sergi2288

XXII Torneo Internacional... · 4 Dec 2025

1-0
D
Sydoryka, Vladyslav2274

XXII Torneo Internacional... · 3 Dec 2025

½-½
L
Llari, Marc2311

Gran Hotel Bali Open A · 2 Dec 2025

1-0
D
Mompel Ferruz, Xavier2291

XXII Torneo Internacional... · 1 Dec 2025

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Ruy Lopez: Morphy
55.8%
52 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6

French: Tarrasch
56.5%
23 Games·Wins

1.e4 e6 2.d4 d5 3.Nd2

Black
Sicilian: e6 Systems
51.4%
109 Games·Wins

1.e4 c5 2.Nf3 e6

Sicilian: d6 Systems
51.9%
52 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#40Bh5??
Tactics
vs Mingarro Carceller
OTB·2025
▶
#60Bb3??
Endgame
vs Jordan Martinez
OTB·2025
▶
#45Qg2+??
Endgame
vs Risteski
OTB·2025
▶
#34Kg2??
Tactics
vs Dehtiarov
OTB·2025
▶
#32Bd7??
Tactics
vs Ponomariov
OTB·2025
▶
#29Qc7??
Tactics
vs Koutlas
OTB·2025
▶
#59Kh6??
Endgame
vs Xu
OTB·2025
▶
#29Qxa4??
Tactics
vs Domene Mulyukov
OTB·2025
▶
#36e4??
Tactics
vs Korneev Leskova
OTB·2025
▶
#25Kd3??
Tactics
vs Gonzalez Salazar
OTB·2025
Endgame Statistics

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2025
2024
2023
2022
2021
2020
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
462 Games
47%34%19%
1.e4
66%
329
1.c4
64%
52
1.d4
42%
46
1.Nf3
71%
34
1.c3
0%
1
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