{"id":62596,"date":"2023-03-13T12:58:08","date_gmt":"2023-03-13T10:58:08","guid":{"rendered":"https:\/\/funbridge.com\/blog\/?p=62596"},"modified":"2025-07-03T11:09:52","modified_gmt":"2025-07-03T10:09:52","slug":"gib-an-unbeatable-universe-open-cards","status":"publish","type":"post","link":"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/","title":{"rendered":"GIB, un univers impitoyable&nbsp;: \u00e0 jeux ouverts"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Article-GIB-1024x576.jpg\" alt=\"Article GIB\" class=\"wp-image-63829\"\/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<cite>GIB (Ginsberg\u2019s Intelligent Bridge player) est un logiciel cr\u00e9\u00e9 par Ginsberg. Il a remport\u00e9 les WCBC (World Computer Bridge Championship) en 1998 et 1999.<\/cite><\/blockquote>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La situation de d\u00e9part<\/strong><\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-stackable-blockquote stk-block-blockquote stk-block stk-2dc60c8 is-style-highlighted\" data-block-id=\"2dc60c8\"><div class=\"has-text-align-left stk-block-blockquote__content stk-container stk-2dc60c8-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks\">\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-cb7cf1c\" data-block-id=\"cb7cf1c\"><style>.stk-cb7cf1c .stk--svg-wrapper .stk--inner-svg svg:last-child,.stk-cb7cf1c .stk--svg-wrapper .stk--inner-svg svg:last-child :is(g,path,rect,polygon,ellipse){fill:#dfdd9d !important}<\/style><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><linearGradient id=\"linear-gradient-cb7cf1c\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-cb-7-cf-1-c-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-cb-7-cf-1-c-color-2)\"><\/stop><\/linearGradient><\/defs><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 50 50\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path d=\"M19.8 9.3C10.5 11.8 4.6 17 2.1 24.8c2.3-3.6 5.6-5.4 9.9-5.4 3.3 0 6 1.1 8.3 3.3 2.2 2.2 3.4 5 3.4 8.3 0 3.2-1.1 5.8-3.3 8-2.2 2.2-5.1 3.2-8.7 3.2-3.7 0-6.5-1.2-8.6-3.5C1 36.3 0 33.1 0 29 0 18.3 6.5 11.2 19.6 7.9l.2 1.4zm26.4 0C36.9 11.9 31 17 28.5 24.8c2.2-3.6 5.5-5.4 9.8-5.4 3.2 0 6 1.1 8.3 3.2 2.3 2.2 3.4 4.9 3.4 8.3 0 3.1-1.1 5.8-3.3 7.9-2.2 2.2-5.1 3.3-8.6 3.3-3.7 0-6.6-1.1-8.6-3.4-2.1-2.3-3.1-5.5-3.1-9.7 0-10.7 6.6-17.8 19.7-21.1l.1 1.4z\"><\/path><\/svg><\/div><\/span><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-1e06ccd\" data-block-id=\"1e06ccd\"><style>.stk-1e06ccd .stk-block-text__text{font-size:16px !important}@media screen and (max-width:999px){.stk-1e06ccd .stk-block-text__text{font-size:16px !important}}<\/style><p class=\"stk-block-text__text\">Vous avez tous eu entre les mains \u00e0 la sortie d\u2019un tournoi ce relev\u00e9 des donnes. Dans un petit coin, un \u201cpar\u201d pour la donne puis une s\u00e9rie de chiffres qui repr\u00e9sentent le nombre de lev\u00e9es r\u00e9alisables \u00e0 quatre jeux sur la donne en question. Cette indication, sans valeur p\u00e9dagogique aucune, est <strong>le fruit de l\u2019analyse d\u2019un logiciel GIB <\/strong>qui ne se trompe jamais mais qui voit toutes les cartes<\/p><\/div>\n<\/div><\/div><\/blockquote>\n\n\n\n<p>Il peut \u00eatre amusant de chercher comment arriver \u00e0 ce r\u00e9sultat souvent impressionnant et de se demander si la solution est trouvable \u00e0 deux jeux ou si ce logiciel \u201ctriche\u201d. <strong>C\u2019est \u00e0 cet exercice que je vous propose de vous int\u00e9resser ici,<\/strong> sur une donne d\u2019apparence assez simple.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Jeu-complet-1024x934.png\" alt=\"Jeu complet\" class=\"wp-image-63384\" width=\"512\" height=\"467\"\/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Tableau-1-1024x325.png\" alt=\"Tableau\" class=\"wp-image-63385\" width=\"512\" height=\"163\"\/><\/figure><\/div>\n\n\n<p>GIB pr\u00e9tend qu\u2019on r\u00e9alise<strong> dix lev\u00e9es \u00e0 l\u2019atout C\u0153ur en Est-Ouest sur toute entame et quel que soit le flanc.<\/strong> Ce qui tendrait \u00e0 prouver que, non vuln\u00e9rable, il faudrait d\u00e9fendre \u00e0<strong> 4 Piques (huit lev\u00e9es) ou \u00e0 5 Tr\u00e8fles (neuf lev\u00e9es).<\/strong><\/p>\n\n\n\n<p><em>Qu\u2019en pensez-vous ? Cherchez un peu avant de jeter un coup d\u2019\u0153il \u00e0 la solution.<\/em><\/p>\n\n\n\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-5f577ea\" data-block-id=\"5f577ea\"><style>.stk-5f577ea{height:10px !important}<\/style><\/div>\n\n\n\n<p><strong>Prenons l\u2019entame la plus g\u00eanante : Tr\u00e8fle.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-a6cc2ce\" data-block-id=\"a6cc2ce\"><style>.stk-a6cc2ce{height:10px !important}<\/style><\/div>\n\n\n\n<p>Le probl\u00e8me consiste \u00e0 ne pas donner une lev\u00e9e par couleur. Il faut donc affranchir un Pique et essayer de se d\u00e9barrasser du<br>Carreau perdant sur un Pique ma\u00eetre ou bien affranchir un Carreau pour se d\u00e9barrasser du Pique. Si vous jouez Pique tout de suite, Sud intercale la Dame, vous prenez de l\u2019As et ne pouvez rejouer tout de suite la couleur car Sud donnerait un Pique \u00e0 couper \u00e0 son partenaire. C\u2019est le m\u00eame probl\u00e8me si vous rejouez atout apr\u00e8s l\u2019As de Pique<strong>. Cela ne va donc pas.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-6509f7f\" data-block-id=\"6509f7f\"><style>.stk-6509f7f{height:10px !important}<\/style><\/div>\n\n\n\n<p>Et si l\u2019on commen\u00e7ait par<strong> jouer atout avant Pique <\/strong>?<br>C\u0153ur pour le Roi, donc, et C\u0153ur pour la Dame prise de l\u2019As en Nord, qui encaisse son Tr\u00e8fle, et peut :<\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-2f930d9\" data-block-id=\"2f930d9\"><style>.stk-2f930d9{height:10px !important}<\/style><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Soit rejouer Pique <\/strong>et, dans ce cas, vous faites tomber le dernier atout avant d\u2019affranchir votre Pique qui ne sera pas coup\u00e9.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Soit rejouer Carreau. <\/strong>Dans ce cas, vous prenez de l\u2019As, \u00f4tez le dernier atout adverse et rejouez Carreau vers le 9. Cette fois, c\u2019est le Pique qui sera d\u00e9fauss\u00e9 sur le Carreau<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-2edff83\" data-block-id=\"2edff83\"><style>.stk-2edff83{height:20px !important}<\/style><\/div>\n\n\n\n<p><strong>Il a l\u2019air d\u2019avoir raison ce logiciel !<\/strong> Et sur l\u2019entame \u00e0 Pique, qu\u2019en pensez-vous ?<\/p>\n\n\n\n<p>C\u2019est <strong>le m\u00eame principe.<\/strong> Vous prenez, jouez C\u0153ur pour le Roi et C\u0153ur pour la Dame. Nord prend, joue Pique pour le Roi d\u2019Est qui rejoue Pique pour vous priver d\u2019une d\u00e9fausse. Vous coupez gros, retirez le dernier atout et donnez un coup \u00e0 blanc \u00e0 Carreau pour affranchir la couleur. <strong>L\u2019As de Tr\u00e8fle n\u2019a pas encore disparu.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-59a358a\" data-block-id=\"59a358a\"><style>.stk-59a358a{height:20px !important}<\/style><\/div>\n\n\n\n<p class=\"has-medium-font-size\">Il m\u2019\u00e9nerve, il m\u2019\u00e9nerve, je l\u2019aurai un jour !<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Qu\u2019avez-vous pens\u00e9 de cet article de bridge ?<\/strong><\/h2>\n\n\n\n<p>Partagez votre avis avec l\u2019\u00e9quipe Funbridge et avec d\u2019autres bridgeurs dans <em>la section commentaires<\/em> ci-dessous.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>GIB (Ginsberg\u2019s Intelligent Bridge player) est un logiciel cr\u00e9\u00e9 par Ginsberg. Il a remport\u00e9 les WCBC (World Computer Bridge Championship) en 1998 et 1999. La situation de d\u00e9part Vous avez tous eu entre les mains \u00e0 la sortie d\u2019un tournoi ce relev\u00e9 des donnes. Dans un petit coin, un \u201cpar\u201d pour la donne puis une s\u00e9rie de chiffres qui repr\u00e9sentent le nombre de lev\u00e9es r\u00e9alisables \u00e0 quatre jeux sur la donne en question. Cette indication, sans valeur p\u00e9dagogique aucune, est le fruit de l\u2019analyse d\u2019un logiciel GIB qui ne se trompe jamais mais qui voit toutes les cartes Il peut\u2026<\/p>\n","protected":false},"author":82855,"featured_media":103760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14921],"tags":[326,923],"access":[13325],"class_list":["post-62596","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cours-exercices-bridge","tag-article","tag-ia","access-premium-plus"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":5}},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GIB, un univers impitoyable : \u00e0 jeux ouverts - Blog Funbridge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GIB, un univers impitoyable : \u00e0 jeux ouverts - Blog Funbridge\" \/>\n<meta property=\"og:description\" content=\"GIB (Ginsberg\u2019s Intelligent Bridge player) est un logiciel cr\u00e9\u00e9 par Ginsberg. Il a remport\u00e9 les WCBC (World Computer Bridge Championship) en 1998 et 1999. La situation de d\u00e9part Vous avez tous eu entre les mains \u00e0 la sortie d\u2019un tournoi ce relev\u00e9 des donnes. Dans un petit coin, un \u201cpar\u201d pour la donne puis une s\u00e9rie de chiffres qui repr\u00e9sentent le nombre de lev\u00e9es r\u00e9alisables \u00e0 quatre jeux sur la donne en question. Cette indication, sans valeur p\u00e9dagogique aucune, est le fruit de l\u2019analyse d\u2019un logiciel GIB qui ne se trompe jamais mais qui voit toutes les cartes Il peut\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog Funbridge\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Funbridge\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-13T10:58:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-03T10:09:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Article-GIB-1024x576.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Michel Bessis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@funbridge\" \/>\n<meta name=\"twitter:site\" content=\"@funbridge\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michel Bessis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/\"},\"author\":{\"name\":\"Michel Bessis\",\"@id\":\"https:\/\/funbridge.com\/blog\/#\/schema\/person\/b5cd26aaf45eea8b529bdbb8b948a9bc\"},\"headline\":\"GIB, un univers impitoyable&nbsp;: \u00e0 jeux ouverts\",\"datePublished\":\"2023-03-13T10:58:08+00:00\",\"dateModified\":\"2025-07-03T10:09:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/\"},\"wordCount\":540,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/funbridge.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Article-GIB-1024x576.jpg\",\"keywords\":[\"article\",\"IA\"],\"articleSection\":[\"Cours et exercices de bridge en ligne\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/\",\"url\":\"https:\/\/funbridge.com\/blog\/fr\/gib-an-unbeatable-universe-open-cards\/\",\"name\":\"GIB, un univers impitoyable : \u00e0 jeux ouverts - 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