From June 25 to 28, 2026, the Sheraton Hotel in Lima becomes the epicenter of world chess with the celebration of the World Chess Marathon 2026, an event that aims to enter the Guinness World Records by attempting to establish the longest chess marathon on the planet, with 67 hours of uninterrupted play. As part of the opening event of this historic marathon, Fausti took part in a remarkable match on June 25 against Grandmaster José Martínez Alcántara, in a high-level battle marked by intense competition and maximum equality. The encounter, consisting of two rapid games and four blitz games, ended with a victory for Fausti by an overall score of 4–2. Fausti’s participation continued with a day full of chess activity. In addition to playing simultaneous games, on June 27 he competed in a rapid chess tournament, where he once again demonstrated his outstanding level, achieving first place after scoring 8 points out of 9 possible rounds.