The unforgettable City of Mar del Plata International Chess Open, one of the oldest tournaments in South America, celebrated its 53rd edition from March 23-30 at the Hotel Provincial. After nine exciting rounds, GM Johan-Sebastian Christiansen, a member of the Norwegian Olympic team, was crowned undefeated champion. Four participants finished a half-point behind the champion, with GMs Diego Flores and Leonardo Tristán completing the podium thanks to superior Buchholz scores. | Photos: Official website