Player profile

Ulloa Castillo, Ruben Abraham

Standard: 2149 Rapid: 2131 Blitz: 2087 (last updated 2026-11-02)
FIDE ID: 6601243 (view FIDE profile)
Federation: PAN Sex: M Birth Year: 1995 Age: 31
Title: CM Women's title: — Other title: — FOA title: —
Games: 31 Wins: 12 (39%) Draws: 5 (16%) Losses: 14 (45%)
Dossier

29 of 31 games analyzed.

Accuracy: 89%
Opened d4: 10/14Opened Nf3: 3/14Opened e4: 1/14
Castled kingside: 25Same-side castling: 22Opposite-side castling: 3Did not castle: 2Castled queenside: 2
Played in the center: 12Played on the kingside: 11Fianchettoed queenside: 4Fianchettoed kingside: 3Played on the queenside: 3
Isolated pawn: 21Backward pawn: 18Active pieces: 18Sacrificed material: 17Initiated exchanges: 15Space advantage: 14Missed tactics: 11Kept the bishop pair: 10Avoided exchanges: 6Played gambits: 2
Openings

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As White 15 games 7W 2D 6L
Queen's Pawn Game 4 games 2W 0D 2L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Barry Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Colle System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Torre Attack 3 games 1W 0D 2L
Classical Defense 2 games 1W 0D 1L
Nimzowitsch Variation 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Fianchetto Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Slav Defense 2 games 2W 0D 0L
Exchange Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Indian Defense 1 game 1W 0D 0L
Wade-Tartakower Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 0W 0D 1L
Benoni-Indian Defense 1 game 0W 0D 1L
Kingside Move Order 1 game 0W 0D 1L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Modern Steinitz Defense 1 game 0W 0D 1L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Short Variation 1 game 0W 1D 0L
As Black 16 games 5W 3D 8L
Slav Defense 3 games 1W 0D 2L
Alekhine Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Line 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 3 games 0W 1D 2L
Morphy Defense 2 games 0W 0D 2L
Tarrasch Variation 1 game 0W 0D 1L
Mackenzie Variation 1 game 0W 0D 1L
Closed 1 game 0W 1D 0L
Chigorin Defense 1 game 0W 1D 0L
Scandinavian Defense 2 games 1W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Gubinsky-Melts Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Réti Opening 1 game 0W 0D 1L
Anglo-Slav Variation 1 game 0W 0D 1L
New York System 1 game 0W 0D 1L
Italian Game 1 game 1W 0D 0L
Giuoco Pianissimo 1 game 1W 0D 0L
Italian Four Knights Variation 1 game 1W 0D 0L
King's Indian Attack 1 game 0W 0D 1L
Keres Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Neo-Catalan Declined 1 game 1W 0D 0L
Queen's Pawn Game 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 148

This player's costliest moves in analyzed games. Can you find the winning move?

2025.10.30 · 21. Rh1 (−37.7% win chance) 1-0
Cardenas Carbajal, Nilson
Ulloa Castillo, Ruben Abraham
View game
2025.10.28 · 33. Bxd7 (−34.2% win chance) 1-0
Lizano Quiros, Matias Haziel
Ulloa Castillo, Ruben Abraham
View game
2024.11.24 · 42... Rhh8 (−32.1% win chance) 1/2-1/2
Ulloa Castillo, Ruben Abraham
Schnell, Sebastian Narayana
View game
2026.09.24 · 46... Be5 (−31.8% win chance) 1-0
Ulloa Castillo, Ruben Abraham
Dardha, Arben
View game
Games Showing all 31 games
Date Event Round Color Opponent Result Accuracy % First moves