CM Ruben Abraham Ulloa Castillo
Panama Candidate Master Born 1995 FIDE ID 6601243
CM Ruben Abraham Ulloa Castillo plays for Panama and has a standard FIDE rating of 2149 in the list of November 2026.
- Standard 2149New 0 games this month No. 11,448 in the world No. 8 in the country
- Rapid 2131New 0 games this month No. 9,835 in the world No. 8 in the country
- Blitz 2087New 0 games this month No. 12,140 in the world No. 14 in the country
Source: FIDE rating list of November 2026, 800,240 rated players. Last updated November 15, 2026.