C
GM
Castellanos Rodriguez, Renier
ESP·Born 1982·FIDE #3404650·917 Games
Classical2462829 Games
Rapid241835 Games
Blitz256253 Games
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917 games analyzed
Statistics
Total
917Wins
408Draws
340Losses
16944%37%18%
Play Style
What you need to know before facing themElite 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 analyzedAccuracy 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 average0%
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
FewMany
Errors mapped
32
Hotspot zone
b3 / e3
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 gamesWeaknesses
— exploit these linesNo significant weaknesses detected as White
No significant weaknesses detected as Black
Strengths
— avoid these linesWhite55.8%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#40Bh5??vs Mingarro CarcellerOTB · 2025
#60Bb3??vs Jordan MartinezOTB · 2025
#45Qg2+??vs RisteskiOTB · 2025
#34Kg2??vs DehtiarovOTB · 2025
#32Bd7??vs PonomariovOTB · 2025
#29Qc7??vs KoutlasOTB · 2025
#59Kh6??vs XuOTB · 2025
#29Qxa4??vs Domene MulyukovOTB · 2025
#36e4??vs Korneev LeskovaOTB · 2025
#25Kd3??vs Gonzalez SalazarOTB · 2025
Recent Games
917 GamesW
Uber Gracia, Hugo(2298)
45th Benasque Open 2026 · 12 Jul 2026
D
Ubilava, Elizbar(2368)
45th Benasque Open 2026 · 11 Jul 2026
W
Garrigue, Julian(2275)
45th Benasque Open 2026 · 10 Jul 2026
D
Xu,Yang(2288)
45th Benasque Open 2026 · 9 Jul 2026
W
Odriozola Coscolin, Alex(2243)
45th Benasque Open 2026 · 8 Jul 2026
D
Lorente Melcon, Maximo(2255)
45th Benasque Open 2026 · 7 Jul 2026
Endgame Statistics
PRO19 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
19 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
466 Games
47%33%20%
MoveGamesPerformance%
1.e4
32966%
1.c4
5466%
1.d4
4642%
1.Nf3Strong
3672%
1.c3Weak
10%
ESP