{"version":"1.0","type":"rich","width":1200,"height":675,"title":"Masterclass Échecs : Le Défi de l'Expert","description":"Testez votre maîtrise du jeu royal à travers 10 défis experts. Explorez les records des plus grands champions du monde et analysez des concepts stratégiques complexes pour valider vos connaissances tactiques de haut niveau.","author_name":"Genially","provider_name":"Genially","provider_url":"https://genially.com","html":"<div style='width: 100%;'><div style='position: relative; padding-bottom:56.25%; padding-top: 0; height: 0;'><iframe frameborder='0' width='1200' height='675' style='position:absolute; top: 0; left: 0; width: 100%; height: 100%;' src='https://view.genially.com/6a145fa888917ee6e308b95e' type='text/html' allowscriptaccess='always' allowfullscreen='true' scrolling='yes' allownetworking='all'></iframe></div></div>","thumbnail_url":"https://genially-thumbnails.genially.com/6a145fa888917ee6e308b95e.png?ts=1779720231471","thumbnail_width":1200,"thumbnail_height":675}