GM Sandro Mareco Full name Sandro Mareco Born May 13, 1987 (age 37) Place of birth Federation Argentina Profiles #200 World Ranking 2588 Classical 2552 Rapid 2529 Blitz Rating Bio Sandro Mareco is an Argentinian chess grandmaster who qualified for the 2021 FIDE World Cup. Most Played Openings White Pieces Bogo-Indian Defense: Grünfeld Variation (22 games) Queen's Gambit Declined: Catalan Opening (21 games) Catalan Opening: Closed (20 games) English Opening: Symmetrical Variation (19 games) English Opening: Agincourt Defense (18 games) Black Pieces Sicilian Defense: Open, Najdorf Variation (30 games) Sicilian Defense: Canal Attack (20 games) Closed Sicilian Defense (15 games) Alapin Sicilian Defense (13 games) Nimzo-Indian Defense: Classical Variation (13 games) Games Players Result Moves Year Sandro Mareco (2591) Diego Flores (2551) 1-0 33 2025 Sandro Mareco (2591) Jose Fernando Cuenca Jimenez (2479) 1-0 24 2025 Sandro Mareco (2539) Hector Fiori (2089) 1-0 49 2025 Sandro Mareco (2539) Facundo Dominguez (2278) 1-0 49 2025 Sandro Mareco (2539) Mauricio Errazola (1886) 1-0 35 2025 Sandro Mareco (2539) Diego Flores 1-0 37 2025 Sandro Mareco (2533) Diego Flores 1-0 41 2025 Sandro Mareco (2533) Ramos, Gabriel 1-0 43 2025 Sandro Mareco (2533) Faustino Oro (2423) 1-0 27 2025 Sandro Mareco (2533) Facundo Vazquez 1-0 34 2025 Show All Games