{"id":76992,"date":"2023-09-25T09:00:00","date_gmt":"2023-09-25T07:00:00","guid":{"rendered":"https:\/\/funbridge.com\/blog\/?p=76992"},"modified":"2025-07-03T10:14:15","modified_gmt":"2025-07-03T09:14:15","slug":"openers-garbage-bid-opposite-fourth-suit-forcing","status":"publish","type":"post","link":"https:\/\/funbridge.com\/blog\/fr\/openers-garbage-bid-opposite-fourth-suit-forcing\/","title":{"rendered":"L&#8217;ench\u00e8re &#8220;poubelle&#8221; de l&#8217;ouvreur en face d&#8217;une quatri\u00e8me couleur forcing"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Header_OpenerGarbage-1024x576.jpg\" alt=\"Opener Garbage\" class=\"wp-image-78118\"\/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>L&#8217;objectif de l&#8217;auteur est ici de relayer le travail des experts\/chercheurs du bridge et de vous donner sa version. Cette fois-ci, Wilfried Libbrecht examine l\u2019ench\u00e8re \u201cpoubelle\u201d de l\u2019ouvreur en face d\u2019une quatri\u00e8me couleur forcing.<\/p>\n<\/blockquote>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-5b58727\" data-block-id=\"5b58727\"><style>.stk-5b58727{height:10px !important}<\/style><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Une des situations possibles :<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-1-1-1-1024x193.png\" alt=\"Donne 1\" class=\"wp-image-77127\" style=\"width:700px\" width=\"700\"\/><\/figure><\/div>\n\n\n<blockquote class=\"wp-block-stackable-blockquote stk-block-blockquote stk-block stk-d29971d is-style-highlighted\" data-v=\"2\" data-block-id=\"d29971d\"><div class=\"has-text-align-left stk-block-blockquote__content stk-container stk-d29971d-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks\">\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-9d0c935\" data-block-id=\"9d0c935\"><style>.stk-9d0c935 .stk--svg-wrapper .stk--inner-svg svg:last-child,.stk-9d0c935 .stk--svg-wrapper .stk--inner-svg svg:last-child :is(g,path,rect,polygon,ellipse){fill:#d989bd !important}<\/style><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><linearGradient id=\"linear-gradient-9d0c935\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-9-d-0-c-935-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-9-d-0-c-935-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-9263b78\" data-block-id=\"9263b78\"><style>.stk-9263b78 .stk-block-text__text{font-size:16px !important}@media screen and (max-width:999px){.stk-9263b78 .stk-block-text__text{font-size:16px !important}}<\/style><p class=\"stk-block-text__text\">La quatri\u00e8me couleur forcing dans cette s\u00e9quence n\u2019indique rien de particulier, si ce n\u2019est un minimum de 11H. Elle demande \u00e0 l\u2019ouvreur de donner le renseignement le plus int\u00e9ressant de sa main. Malheureusement, il arrive que vous n\u2019ayez rien \u00e0 annoncer que ce soit sur le plan distributionnel, un surplus de force ou encore l\u2019arr\u00eat dans la quatri\u00e8me couleur. Dans ce cas, vous devez avoir recours \u00e0 <strong>une ench\u00e8re \u201cpoubelle\u201d.<\/strong><\/p><\/div>\n<\/div><\/div><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Syst\u00e8me classique et inconv\u00e9nients<\/strong><\/h2>\n\n\n\n<p>Le syst\u00e8me classique consiste \u00e0 r\u00e9p\u00e9ter la couleur d\u2019ouverture pour faire <strong>l\u2019ench\u00e8re \u201cpoubelle\u201d.<\/strong> Si cette fa\u00e7on de faire peut \u00eatre int\u00e9ressante apr\u00e8s une ouverture majeure, elle ne l\u2019est pas apr\u00e8s une ouverture mineure. Certains experts se sont rendu compte que les chances de poss\u00e9der cinq cartes dans la deuxi\u00e8me couleur \u00e9taient moins importantes apr\u00e8s une ouverture mineure. En revanche, il pouvait \u00eatre int\u00e9ressant de d\u00e9crire une distribution irr\u00e9guli\u00e8re avec une longueur dans la couleur d\u2019ouverture. Exemples :<\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-9ef00d8\" data-block-id=\"9ef00d8\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-9ef00d8-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-91d188d\" data-v=\"4\" data-block-id=\"91d188d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-91d188d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-91d188d-inner-blocks\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-2-42.png\" alt=\"Donne 2\" class=\"wp-image-77104\"\/><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9259f07\" data-v=\"4\" data-block-id=\"9259f07\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9259f07-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-9259f07-inner-blocks\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-3-43.png\" alt=\"Donne 3\" class=\"wp-image-77106\"\/><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Dans le premier exemple, on voit bien qu\u2019annoncer 3&#x2663; d\u00e9vore l\u2019espace. Et vous ne pouvez pas savoir, dans le syst\u00e8me classique, si l\u2019ouvreur poss\u00e8de quatre Tr\u00e8fles quelconques ou s\u2019il en d\u00e9tient cinq beaux, voire six ou sept.<\/p>\n\n\n\n<p>Dans le deuxi\u00e8me exemple, c\u2019est moins g\u00eanant d\u2019annoncer 2&#x2666; parce que l\u2019ench\u00e8re est la plus \u00e9conomique. Mais le r\u00e9pondant ne conna\u00eet pas davantage la distribution de l\u2019ouvreur quand il redit 2&#x2666;. Dans le troisi\u00e8me exemple, si vous annoncez 3&#x2666; \u201cpoubelle\u201d, le r\u00e9pondant ne peut fitter ni les Carreaux, ni les Tr\u00e8fles sans d\u00e9passer 3 Sans-Atout.<\/p>\n\n\n\n<p>Dans le quatri\u00e8me exemple, c\u2019est diff\u00e9rent. 2&#x2665; est l\u2019ench\u00e8re la plus \u00e9conomique, donc il est plus int\u00e9ressant de la produire. Toutefois, le r\u00e9pondant n\u2019ayant pas de soutien \u00e0 C\u0153ur, il a sans doute envie de savoir de fa\u00e7on certaine si vous d\u00e9tenez un cinqui\u00e8me Tr\u00e8fle.<\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-b02bd3d\" data-block-id=\"b02bd3d\"><style>.stk-b02bd3d{height:10px !important}<\/style><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Pr\u00e9sentation de notre innovation<\/strong><\/h2>\n\n\n\n<p>C\u2019est pour \u00e9viter tous les probl\u00e8mes \u00e9voqu\u00e9s ci-dessus que de nombreux experts ont d\u00e9cid\u00e9 d\u2019utiliser la deuxi\u00e8me couleur de l\u2019ouvreur comme ench\u00e8re \u201cpoubelle\u201d quand l\u2019ouverture est une mineure et que la r\u00e9ponse est effectu\u00e9e au palier de 1. Cette fa\u00e7on de faire lib\u00e8re plus d\u2019espace la plupart du temps (sauf quand la quatri\u00e8me couleur est \u00e0 2&#x2663;). Mais surtout, vous allez d\u00e9couvrir ici qu\u2019elle permet au r\u00e9pondant d\u2019avoir une id\u00e9e plus pr\u00e9cise de la distribution de l\u2019ouvreur et de fitter les mineures avant 3 Sans-Atout. <strong>Voici les ench\u00e8res \u201cpoubelle\u201d du syst\u00e8me moderne de r\u00e9ponse \u00e0 la quatri\u00e8me couleur :<\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-425f25d\" data-block-id=\"425f25d\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-425f25d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9ff70f4\" data-v=\"4\" data-block-id=\"9ff70f4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9ff70f4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-9ff70f4-inner-blocks\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-4-38.png\" alt=\"Donne 4\" class=\"wp-image-77107\"\/><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-cada3c9\" data-v=\"4\" data-block-id=\"cada3c9\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-cada3c9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-cada3c9-inner-blocks\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Deal-5-1-1.png\" alt=\"Deal 5\" class=\"wp-image-77108\"\/><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Bien s\u00fbr, cela implique qu\u2019on ne peut plus utiliser la r\u00e9p\u00e9tition de la deuxi\u00e8me couleur pour d\u00e9crire cinq cartes. Mais vous verrez dans les exemples suivants que cela ne pose pas vraiment de probl\u00e8me.<\/p>\n\n\n\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-023d989\" data-block-id=\"023d989\"><style>.stk-023d989{height:10px !important}<\/style><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Comment l&#8217;ouvreur doit-il r\u00e9agir lorsqu&#8217;il utilise cette nouvelle technique ?<\/strong><\/h2>\n\n\n\n<p>La chose la plus importante est que, dor\u00e9navant, la r\u00e9p\u00e9tition de la mineure d\u2019ouverture montre des plus-values distributionnelles alors que la r\u00e9p\u00e9tition de la deuxi\u00e8me couleur est une ench\u00e8re \u201cpoubelle\u201d. Quelques exemples :<\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-506e8b4\" data-block-id=\"506e8b4\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-506e8b4-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e0ed8a6\" data-v=\"4\" data-block-id=\"e0ed8a6\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e0ed8a6-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e0ed8a6-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-6-1-1.png\" alt=\"Donne 6\" class=\"wp-image-77109\"\/><figcaption class=\"wp-element-caption\"><strong>Exemple 1<\/strong><\/figcaption><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4dd55f7\" data-v=\"4\" data-block-id=\"4dd55f7\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4dd55f7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4dd55f7-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-6-2-1.png\" alt=\"Donne 6\" class=\"wp-image-77112\"\/><figcaption class=\"wp-element-caption\"><strong>Exemple 2<\/strong><\/figcaption><\/figure><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-96bd45b\" data-block-id=\"96bd45b\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-96bd45b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-afa07a4\" data-v=\"4\" data-block-id=\"afa07a4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-afa07a4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-afa07a4-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-7-24.png\" alt=\"Donne 7\" class=\"wp-image-77110\"\/><figcaption class=\"wp-element-caption\"><strong>Exemple 3<\/strong><\/figcaption><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4ce9383\" data-v=\"4\" data-block-id=\"4ce9383\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4ce9383-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4ce9383-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-8-21.png\" alt=\"Donne 8\" class=\"wp-image-77114\"\/><figcaption class=\"wp-element-caption\"><strong>Exemple 4<\/strong><\/figcaption><\/figure><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Dans l\u2019exemple 1 , en annon\u00e7ant 2&#x2666;, vous montrez au moins cinq bons Carreaux. Avec cinq mauvais Carreaux ou quatre cartes, vous choisiriez de r\u00e9p\u00e9ter les Piques (2&#x2660;) pour montrer une main banale sans arr\u00eat \u00e0 Tr\u00e8fle, sans trois cartes \u00e0 C\u0153ur, ni cinq bons<br>Carreaux.<\/p>\n\n\n\n<p>Dans l\u2019exemple 2 , vous n\u2019avez aucune nouvelle information \u00e0 transmettre au r\u00e9pondant. Pas d\u2019arr\u00eat \u00e0 C\u0153ur et pas de belle distribution avec cinq beaux Tr\u00e8fles : vous devez utiliser l\u2019ench\u00e8re \u201cpoubelle\u201d de 2&#x2660;.<\/p>\n\n\n\n<p>Bien s\u00fbr, dans l\u2019exemple 3 , il serait tr\u00e8s int\u00e9ressant de d\u00e9crire votre bicolore 5-5 en annon\u00e7ant 3&#x2663;. \u00c0 partir du moment o\u00f9 l\u2019on d\u00e9cide d\u2019adopter le fait que la r\u00e9p\u00e9tition de la deuxi\u00e8me couleur est \u201cpoubelle\u201d, c\u2019est impossible. C\u2019est pour cette raison que, dans un article pr\u00e9c\u00e9dent, j\u2019avais propos\u00e9 d\u2019inverser les deux ench\u00e8res. 3&#x2666; montre le 5-5 et 3&#x2663; est l\u2019ench\u00e8re \u201cpoubelle\u201d. Ainsi, le r\u00e9pondant peut fitter les Carreaux sur 3&#x2663; avant de d\u00e9passer le palier de 3SA. Pour ce qui est de la r\u00e9action sur 3&#x2666;, cela mange de l\u2019espace mais la distribution plus irr\u00e9guli\u00e8re permet plus facilement de d\u00e9passer 3 Sans-Atout en fittant l\u2019une des deux mineures au palier de 4.<\/p>\n\n\n\n<p>Dans le quatri\u00e8me exemple, vous voulez dire que vous d\u00e9tenez cinq cartes \u00e0 Pique. Pour cela, vous devez r\u00e9p\u00e9ter vos Piques. Attention toutefois, annoncer 2&#x2660; serait l\u2019ench\u00e8re \u201cpoubelle\u201d. Il faut donc sauter \u00e0 3&#x2660; pour montrer le cinqui\u00e8me Pique. Ce faisant, vous montrez les six cartes \u00e0 Carreaux, puisqu\u2019avec un 5-5, vous auriez ouvert de 1&#x2660;.<\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-449f503\" data-block-id=\"449f503\"><style>.stk-449f503{height:10px !important}<\/style><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Attitude du r\u00e9pondant (trois exemples de s\u00e9quences compl\u00e8tes)<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-7176a90\" data-block-id=\"7176a90\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7176a90-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-c8a471f\" data-v=\"4\" data-block-id=\"c8a471f\"><style>.stk-c8a471f{align-self:center !important}@media screen and (min-width:690px){.stk-c8a471f{flex:1 1 calc(57.4% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-c8a471f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-c8a471f-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-9-20-1024x377.png\" alt=\"Donne 9\" class=\"wp-image-77115\" style=\"width:500px\" width=\"500\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a45de3b\" data-v=\"4\" data-block-id=\"a45de3b\"><style>@media screen and (min-width:690px){.stk-a45de3b{flex:1 1 calc(42.6% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a45de3b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a45de3b-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-10-1-1.png\" alt=\"Donne 10\" class=\"wp-image-77126\" style=\"object-fit:cover\"\/><\/figure><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Jusqu\u2019\u00e0 2&#x2666;, la quatri\u00e8me couleur forcing, la s\u00e9quence est classique. C\u2019est l\u2019interpr\u00e9tation de l\u2019ench\u00e8re de 3&#x2663; qui change dans ce nouveau syst\u00e8me. En effet, dans le syst\u00e8me classique, l\u2019ench\u00e8re de 3&#x2663; est \u201cpoubelle\u201d. Mais comme vous l\u2019avez vu pr\u00e9c\u00e9demment, dans ce nouveau syst\u00e8me, c\u2019est 2&#x2660; l\u2019ench\u00e8re \u201cpoubelle\u201d et, de ce fait, 3&#x2663; montre au moins cinq bons Tr\u00e8fles. La connaissance des cinq bons Tr\u00e8fles (ou six) et de la distribution au moins 5-4 permet \u00e0 Est de d\u00e9passer 3SA sans probl\u00e8me. Avec son soutien quatri\u00e8me, le Roi de Pique second dans la deuxi\u00e8me couleur de l\u2019ouvreur et As-Roi et As dans les couleurs annexes, Est n\u2019a que des points utiles pour un contrat \u00e0 Tr\u00e8fle. Il peut donc dire 4&#x2663;, ce qu\u2019il n\u2019aurait jamais pu faire sur une ench\u00e8re de 3&#x2663; \u201cpoubelle\u201d. La suite est classique, avec un contr\u00f4le \u00e0 4&#x2660; et le Blackwood.<\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-b0f9404\" data-block-id=\"b0f9404\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b0f9404-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-8a5f1d9\" data-v=\"4\" data-block-id=\"8a5f1d9\"><style>.stk-8a5f1d9{align-self:center !important}@media screen and (min-width:690px){.stk-8a5f1d9{flex:1 1 calc(57.4% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-8a5f1d9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-8a5f1d9-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-11-20-1024x377.png\" alt=\"Donne 11\" class=\"wp-image-77118\" style=\"width:500px\" width=\"500\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e6a0958\" data-v=\"4\" data-block-id=\"e6a0958\"><style>@media screen and (min-width:690px){.stk-e6a0958{flex:1 1 calc(42.6% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e6a0958-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e6a0958-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-12-1-1.png\" alt=\"Donne 12\" class=\"wp-image-77125\" style=\"object-fit:cover\"\/><\/figure><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Ici aussi, le d\u00e9but de la s\u00e9quence est classique jusqu\u2019\u00e0 2&#x2660;. L\u2019innovation est que c\u2019est l\u2019ench\u00e8re de 3&#x2663; qui est \u201cpoubelle\u201d. Cette<br>fa\u00e7on de faire permet \u00e0 Est de fitter les Carreaux sans d\u00e9passer 3SA. Si vous jouez 3&#x2666; \u201cpoubelle\u201d comme le propose le syst\u00e8me classique, Est d\u00e9passera sans doute 3SA, qui est pourtant le contrat qu\u2019il faut jouer ici. On voit que gr\u00e2ce \u00e0 cette nouvelle convention, Est peut soutenir \u00e0 Carreau puis, face \u00e0 l\u2019ench\u00e8re de 3&#x2660;, annoncer 3SA en se disant qu\u2019il ne peut plus y avoir de chelem si Ouest est 5-4 plut\u00f4t minimum (si Ouest est 6-4 ou fort en points d\u2019honneurs, il pourra reparler sur 3SA gr\u00e2ce \u00e0 la connaissance du fit \u00e0 Carreau).<\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-bf2b7bc\" data-block-id=\"bf2b7bc\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-bf2b7bc-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4e47820\" data-v=\"4\" data-block-id=\"4e47820\"><style>.stk-4e47820{align-self:center !important}@media screen and (min-width:690px){.stk-4e47820{flex:1 1 calc(57.4% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4e47820-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4e47820-inner-blocks\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-13-15-1024x377.png\" alt=\"Donne 13\" class=\"wp-image-77119\" style=\"width:500px\" width=\"500\"\/><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4c80077\" data-v=\"4\" data-block-id=\"4c80077\"><style>@media screen and (min-width:690px){.stk-4c80077{flex:1 1 calc(42.6% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4c80077-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4c80077-inner-blocks\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/Donne-14-1-1.png\" alt=\"Donne 14\" class=\"wp-image-77124\" style=\"object-fit:cover\"\/><\/figure><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Le fait de jouer l\u2019ench\u00e8re \u201cpoubelle\u201d \u00e0 2&#x2660; dans cette s\u00e9quence entra\u00eene que 3&#x2666; montre une main irr\u00e9guli\u00e8re. Sinon, avec une main 4-2-3-4, vous auriez utilis\u00e9 2&#x2660;. Du coup, Est sent confus\u00e9ment qu\u2019il ne faut pas jouer 3 Sans-Atout. Mais avec seulement 13H, il n\u2019ose pas trop se diriger imm\u00e9diatement vers un chelem. Aussi temporise-t-il en annon\u00e7ant 3&#x2665; puis 3SA, laissant le libre choix \u00e0 Ouest d\u2019ench\u00e9rir en connaissance de cause (Est n\u2019a pas dit 3SA directement sur 3&#x2666;). Ouest comprend le message transmis par Est, d\u00e9passe 3SA et la paire est d\u00e9sormais en route pour le chelem. Celui-ci aurait \u00e9t\u00e9 plus difficile \u00e0 d\u00e9clarer si Est avait eu un doute sur le caract\u00e8re irr\u00e9gulier de la main transmis par l\u2019ench\u00e8re de 3&#x2666;. Il aurait peut-\u00eatre conclu plus vite \u00e0 3SA.<\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-d464c71\" data-block-id=\"d464c71\"><style>.stk-d464c71{height:10px !important}<\/style><\/div>\n\n\n\n<blockquote class=\"wp-block-stackable-blockquote stk-block-blockquote stk-block stk-d01f931 is-style-highlighted\" data-v=\"2\" data-block-id=\"d01f931\"><div class=\"has-text-align-left stk-block-blockquote__content stk-container stk-d01f931-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks\">\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-ad618e2\" data-block-id=\"ad618e2\"><style>.stk-ad618e2 .stk--svg-wrapper .stk--inner-svg svg:last-child,.stk-ad618e2 .stk--svg-wrapper .stk--inner-svg svg:last-child :is(g,path,rect,polygon,ellipse){fill:#d989bd !important}<\/style><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><linearGradient id=\"linear-gradient-ad618e2\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-ad-618-e-2-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-ad-618-e-2-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-84a3007\" data-block-id=\"84a3007\"><style>.stk-84a3007 .stk-block-text__text{font-size:16px !important}@media screen and (max-width:999px){.stk-84a3007 .stk-block-text__text{font-size:16px !important}}<\/style><p class=\"stk-block-text__text\"><strong>Poubelle toute neuve : <\/strong><br>Apr\u00e8s une quatri\u00e8me couleur forcing, l\u2019ouvreur utilise la r\u00e9p\u00e9tition de sa deuxi\u00e8me couleur comme une ench\u00e8re \u201cpoubelle\u201d, indiquant qu\u2019il n\u2019a rien de sp\u00e9cial \u00e0 dire et lib\u00e9rant de l\u2019espace pour le r\u00e9pondant. Par inf\u00e9rence, si l\u2019ouvreur n\u2019utilise pas cette r\u00e9p\u00e9tition \u201cpoubelle\u201d, toute autre ench\u00e8re pr\u00e9cise sa distribution : le r\u00e9pondant aura alors davantage d\u2019\u00e9l\u00e9ments pour savoir s\u2019il faut jouer \u00e0 Sans-Atout ou s\u2019orienter vers un contrat mineur.<\/p><\/div>\n<\/div><\/div><\/blockquote>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-6f57b84\" data-block-id=\"6f57b84\"><style>.stk-6f57b84{height:10px !important}<\/style><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Qu&#8217;avez-vous pens\u00e9 de cet article ?<\/strong><\/h2>\n\n\n\n<p>Partagez votre avis dans <em>la Section Commentaires<\/em> ci-dessous !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;objectif de l&#8217;auteur est ici de relayer le travail des experts\/chercheurs du bridge et de vous donner sa version. Cette fois-ci, Wilfried Libbrecht examine l\u2019ench\u00e8re \u201cpoubelle\u201d de l\u2019ouvreur en face d\u2019une quatri\u00e8me couleur forcing. Une des situations possibles : La quatri\u00e8me couleur forcing dans cette s\u00e9quence n\u2019indique rien de particulier, si ce n\u2019est un minimum de 11H. Elle demande \u00e0 l\u2019ouvreur de donner le renseignement le plus int\u00e9ressant de sa main. Malheureusement, il arrive que vous n\u2019ayez rien \u00e0 annoncer que ce soit sur le plan distributionnel, un surplus de force ou encore l\u2019arr\u00eat dans la quatri\u00e8me couleur. Dans ce\u2026<\/p>\n","protected":false},"author":33,"featured_media":103678,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14921],"tags":[652],"access":[13325],"class_list":["post-76992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cours-exercices-bridge","tag-encheres","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>L&#039;ench\u00e8re &quot;poubelle&quot; de l&#039;ouvreur en face d&#039;une quatri\u00e8me couleur forcing - 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\/openers-garbage-bid-opposite-fourth-suit-forcing\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;ench\u00e8re &quot;poubelle&quot; de l&#039;ouvreur en face d&#039;une quatri\u00e8me couleur forcing - Blog Funbridge\" \/>\n<meta property=\"og:description\" content=\"L&#8217;objectif de l&#8217;auteur est ici de relayer le travail des experts\/chercheurs du bridge et de vous donner sa version. Cette fois-ci, Wilfried Libbrecht examine l\u2019ench\u00e8re \u201cpoubelle\u201d de l\u2019ouvreur en face d\u2019une quatri\u00e8me couleur forcing. Une des situations possibles : La quatri\u00e8me couleur forcing dans cette s\u00e9quence n\u2019indique rien de particulier, si ce n\u2019est un minimum de 11H. Elle demande \u00e0 l\u2019ouvreur de donner le renseignement le plus int\u00e9ressant de sa main. Malheureusement, il arrive que vous n\u2019ayez rien \u00e0 annoncer que ce soit sur le plan distributionnel, un surplus de force ou encore l\u2019arr\u00eat dans la quatri\u00e8me couleur. 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