Aldama Degurnay, Dionisio

Dionisio Aldama Degurnay, a 57-year-old Mexican International Master, is rated 2340 and ranked 13th among Mexican players, and in the top 1% worldwide. He plays occasionally (8 games in the last 12 months) and had 3 career breaks: 20 months (2005–2007), 17 months (2007–2008) and 42 months (2020–2023, COVID-19 included). Recent appearances: TORNEO MUNICIPAL ABIERTO DE AJEDREZ MEXICALI B.C. PROFRA. ANITA ARROYO 2025 - ABIERTA and 2025 San Diego Open - Elite. Also played 1 blitz event (including TORNEO MUNICIPAL ABIERTO DE AJEDREZ MEXICALI B.C. PROFRA. ANITA ARROYO 2025 - BLITZ) recently. His peak of 2463 was reached at age 49 (Jun 2018); he also reached Mexican #2 in Jan 2001 and spent 21 months in Mexican top 3.

Competes for Mexico since Apr 2002. Awarded IM in 2001 (age 32). Earned GM norms at 27th Annual North American Open 2017 and 27th Annual Chicago Open 2018.