Players
Photo: FA Aldo Garcia
CM
Ruben Abraham Ulloa Castillo
Record
6 classical games in top events since 17 Sep 2026
| Games | W | D | L | Score | |
|---|---|---|---|---|---|
| As White | 1 | 0 | 0 | 1 | 0% |
| As Black | 5 | 1 | 0 | 4 | 20% |
| All games | 6 | 1 | 0 | 5 | 17% |
Recent events
| Event | Score | Perf |
|---|---|---|
| 46th FIDE Chess Olympiad Samarkand 202625 Sep 2026 | 1/6 | 1959 |
Best wins
| Opponent | Rating |
|---|---|
| E. Tjin Kon Kiem18 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1828 |
Most played
| Opponent | Games | + = − |
|---|---|---|
| IMA. StribukLast 17 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| E. Tjin Kon KiemLast 18 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 1 0 0 |
| IMN. BudhidharmaLast 19 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| IMG. AmartuvshinLast 21 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| FMA. DardhaLast 24 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
No rapid games in our archive of top events yet.
No blitz games in our archive of top events yet.