Players
Photo: FA Aldo Garcia
CM
Ruben Abraham Ulloa Castillo
FIDE classical
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No classical titles on record yet.
Luft classical rating
Not ranked yet: the Luft classical rating needs at least 10 classical games in top events over the last year.
Openings
No classical games with a known opening in our archive yet.
Recent events
| Event | Place | +/− | +/− |
|---|---|---|---|
| 46th FIDE Chess Olympiad Samarkand 202625 Sep 2026 | 1/6 | −31−31 |
Best wins
| Opponent | Rating |
|---|---|
| E. Tjin Kon Kiem18 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1828 |
Most played
| Opponent | Games | WDL |
|---|---|---|
| IMA. StribukLast 17 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 001 |
| E. Tjin Kon KiemLast 18 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 100 |
| IMN. BudhidharmaLast 19 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 001 |
| IMG. AmartuvshinLast 21 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 001 |
| FMA. DardhaLast 24 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 001 |
FIDE rapid
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No rapid titles on record yet.
Luft rapid rating
Not ranked yet: the Luft rapid rating needs at least 10 rapid games in top events over the last year.
Openings
No rapid games with a known opening in our archive yet.
FIDE blitz
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No blitz titles on record yet.
Luft blitz rating
Not ranked yet: the Luft blitz rating needs at least 10 blitz games in top events over the last year.
Openings
No blitz games with a known opening in our archive yet.