Loiterstein, Mariano

Mariano Loiterstein, a 57-year-old Argentine FIDE Master, is rated 1992. He is on a steady climb with +28 Elo over the past 12 months. 18 rated games in the past year (≈12/year long-term). Recent standard appearances include 2DO IRT ADUM, VII IRT abierto internacional de ajedrez - CADA 2025, and II IRT HOSTERIA ALAMOS MAR AZUL SUB-2400. Also played 2 rapid (including IRT Rapido del Atlantico - Fecha 5 - Balcarce) and 4 blitz events (including IRT Blitz VII Abierto internacional de Mar de Ajo 2025) recently. He had 6 career breaks: 17 months (2001–2003), 35 months (2003–2006), 43 months (2006–2010), 13 months (2012–2013), 29 months (2020–2022, COVID-19 included) and 14 months (2022–2023). His peak of 2279 was reached at age 32 (Jan 2001); he also reached Argentine #62 in Apr 2003.

Awarded FM in 2009 (age 40).