Round 9 of the IV Open Ciudad de Buenos Aires heats up in Buenos Aires with Perez Ponsa, Obregon, Tristan, Vasquez Schroeder, and Salinas battling through the Swiss format. The 90-minute time control plus 30 seconds per move gives players room to calculate deep, and the jostling for position intensifies as the tournament nears its finish line. Top seeds face critical matchups that will shape the final standings and determine who walks away with the title.