{"id":7832,"date":"2025-09-12T14:17:27","date_gmt":"2025-09-12T12:17:27","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/?p=7832"},"modified":"2025-09-12T14:17:28","modified_gmt":"2025-09-12T12:17:28","slug":"concours-alkindi-2025-2026-la-11%e1%b5%89-edition-est-lancee","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2025\/09\/12\/concours-alkindi-2025-2026-la-11%e1%b5%89-edition-est-lancee\/","title":{"rendered":"Concours Alkindi 2025-2026 : la 11\u1d49 \u00e9dition est lanc\u00e9e !"},"content":{"rendered":"\n<p>Ouvert aux \u00e9l\u00e8ves de <strong>4\u1d49, 3\u1d49 et 2de<\/strong> (les autres niveaux peuvent participer pour s\u2019entra\u00eener, hors classement officiel), ce concours propose une d\u00e9couverte ludique et progressive de la <strong>cryptographie<\/strong> \u00e0 travers une s\u00e9rie d\u2019\u00e9preuves interactives.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\uddd3\ufe0f Calendrier des \u00e9preuves<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"552\" height=\"785\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2025\/09\/Capture-decran-2025-09-12-141552.jpg\" alt=\"\" class=\"wp-image-7833\" style=\"width:300px;height:auto\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2025\/09\/Capture-decran-2025-09-12-141552.jpg 552w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2025\/09\/Capture-decran-2025-09-12-141552-211x300.jpg 211w\" sizes=\"auto, (max-width: 552px) 100vw, 552px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Premier tour<\/strong> : du 8 d\u00e9cembre 2025 au 23 janvier 2026 (\u00e9preuve en classe de 45 min, seul\u00b7e ou en bin\u00f4me).<\/li>\n\n\n\n<li><strong>Deuxi\u00e8me tour<\/strong> : du 2 au 27 f\u00e9vrier 2026.<\/li>\n\n\n\n<li><strong>Troisi\u00e8me tour<\/strong> :\n<ul class=\"wp-block-list\">\n<li>pr\u00e9paration libre : du 2 au 10 avril 2026,<\/li>\n\n\n\n<li>\u00e9preuve qualificative (1h30) : entre le 16 mars et le 10 avril 2026.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Finale<\/strong> : mercredi 13 mai 2026 \u00e0 Paris, pour les meilleures \u00e9quipes.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udfaf Un concours progressif et motivant<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Premier et deuxi\u00e8me tours<\/strong> : d\u00e9fis de d\u00e9cryptage en ligne, avec plusieurs niveaux de difficult\u00e9.<\/li>\n\n\n\n<li><strong>Troisi\u00e8me tour<\/strong> : travail en \u00e9quipe (1 \u00e0 4 \u00e9l\u00e8ves), entra\u00eenement libre puis \u00e9preuve encadr\u00e9e.<\/li>\n\n\n\n<li><strong>Finale<\/strong> : rassemblement des meilleures \u00e9quipes pour une ultime confrontation.<\/li>\n<\/ul>\n\n\n\n<p>\u00c0 chaque \u00e9tape, un classement est \u00e9tabli et des <strong>dipl\u00f4mes<\/strong> peuvent \u00eatre imprim\u00e9s pour les \u00e9l\u00e8ves.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc Infos pratiques<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les inscriptions sont ouvertes d\u00e8s maintenant, jusqu\u2019au dernier jour du premier tour, via la plateforme : <a href=\"https:\/\/coordinateur.concours-alkindi.fr\">coordinateur.concours-alkindi.fr<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Ouvert aux \u00e9l\u00e8ves de 4\u1d49, 3\u1d49 et 2de (les autres niveaux peuvent participer pour s\u2019entra\u00eener, hors classement officiel), ce concours propose une d\u00e9couverte ludique et progressive de la cryptographie \u00e0 travers une s\u00e9rie d\u2019\u00e9preuves interactives. \ud83d\uddd3\ufe0f Calendrier des \u00e9preuves \ud83c\udfaf Un concours progressif et motivant \u00c0 chaque \u00e9tape, un classement est \u00e9tabli et des dipl\u00f4mes &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2025\/09\/12\/concours-alkindi-2025-2026-la-11%e1%b5%89-edition-est-lancee\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":895,"featured_media":7833,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,106,4,59,34],"tags":[],"class_list":["post-7832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-annee-2026","category-concours","category-numerique","category-offre-danimations","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/7832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/users\/895"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/comments?post=7832"}],"version-history":[{"count":1,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/7832\/revisions"}],"predecessor-version":[{"id":7834,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/7832\/revisions\/7834"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media\/7833"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media?parent=7832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/categories?post=7832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/tags?post=7832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}