{"id":42183,"date":"2022-09-08T06:00:00","date_gmt":"2022-09-08T04:00:00","guid":{"rendered":"https:\/\/funbridge.com\/blog\/?p=42183"},"modified":"2022-09-20T08:33:42","modified_gmt":"2022-09-20T06:33:42","slug":"defense-against-an-artificial-intervention-over-1nt","status":"publish","type":"post","link":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/","title":{"rendered":"Defense against an artificial overcall over 1NT."},"content":{"rendered":"
\n
\"\"<\/figure><\/div>\n\n\n
<\/div>\n\n\n\n

As the use of the strong 1NT opening declines, the number of interventions increase, especially artificial ones. It is important to know how to react to the three main interventions you will face at the table (or in front of your computer…): the major-minor double, 2♣️<\/strong> Landy and 2♦️<\/strong> Multi. No more misunderstandings thanks to these simple and effective developments.<\/strong><\/p><\/blockquote>\n\n\n\n

<\/div>\n\n\n\n\n\n\n

1. Double minor \u2013 major<\/strong><\/h2>\n\n\n\n
<\/div>\n\n\n\n

One simple rule: you ignore the Double; this means you bid as if there had been no intervention.<\/p>\n\n\n\n

<\/div>\n\n\n\n
  • 2♣️ : Stayman.<\/li><\/ul>\n\n\n\n
    <\/div>\n\n\n
    \n
    \"\"
    Your are sitting South.
    (*) Minor \u2013 major.<\/figcaption><\/figure><\/div>\n\n\n
    <\/div>\n\n\n\n
    • 2♦️, 2♥️, 2♠️ and 2NT: transfer (2♠️ for Clubs and 2NT for Diamonds)<\/li><\/ul>\n\n\n\n
      <\/div>\n\n\n
      \n
      \"\"
      Your are sitting South.
      (*) Minor \u2013 major.<\/figcaption><\/figure><\/div>\n\n\n
      <\/div>\n\n\n\n

      Better get used to these transfers, which may seem unusual.<\/p>\n\n\n\n

      • Redouble: invitational (like 2NT), 8-9H without four-card major.<\/li><\/ul>\n\n\n\n
        <\/div>\n\n\n
        \n
        \"\"
        Your are sitting South.
        (*) Minor \u2013 major.<\/figcaption><\/figure><\/div>\n\n\n
        <\/div>\n\n\n\n
        • 3♣️: Puppet Stayman if this is part of your system. Otherwise play it as a natural slam try.<\/li>
        • 3♦️, 3♥️ and 3♠️: natural, six cards, slam try.<\/li><\/ul>\n\n\n\n
          <\/div>\n\n\n\n

          Note<\/strong><\/p>\n\n\n\n

          You can do without these auctions at the three-level or give them another meaning.<\/p>\n\n\n\n

          • 3NT: very often, without worrying about stoppers.<\/li><\/ul>\n\n\n\n
            <\/div>\n\n\n
            \n
            \"\"
            Your are sitting South.
            (*) Minor \u2013 major.<\/figcaption><\/figure><\/div>\n\n\n
            <\/div>\n\n\n\n

            2. 2♣️ Landy: at least 5+ – 4+ in the majors<\/strong><\/h2>\n\n\n\n
            <\/div>\n\n\n\n
            • 3NT: balanced distribution, with or wit-hout stoppers in the majors, 9+ – 15H.<\/li><\/ul>\n\n\n\n
              <\/div>\n\n\n
              \n
              \"\"
              Your are sitting South.
              (*) Landy.<\/figcaption><\/figure><\/div>\n\n\n
              <\/div>\n\n\n\n

              No other possible contract. Don\u2019t help your opponents find the lead!<\/p>\n\n\n\n

              <\/div>\n\n\n
              \n
              \"\"
              Your are sitting South.
              (*) Landy.<\/figcaption><\/figure><\/div>\n\n\n
              <\/div>\n\n\n\n

              Transferring to your Diamonds won\u2019t do you any good here. Again, you want to play 3NT and nothing else.<\/p>\n\n\n\n

              <\/div>\n\n\n\n
              • Double: 8H+, balanced, starts a penalty process.<\/li><\/ul>\n\n\n\n
                <\/div>\n\n\n
                \n
                \"\"
                You are sitting South.
                (1) Landy.
                (2) \u201cChoose.”<\/figcaption><\/figure><\/div>\n\n\n
                <\/div>\n\n\n\n

                Penalty.<\/p>\n\n\n\n

                <\/div>\n\n\n\n
                • 2♦️: natural, non-forcing. Remains a free bid.<\/li><\/ul>\n\n\n\n
                  <\/div>\n\n\n
                  \n
                  \"\"
                  You are sitting South.
                  (*) Landy.<\/figcaption><\/figure><\/div>\n\n\n
                  <\/div>\n\n\n\n
                  • 2♥️ and 2♠️: Game forcing. Singleton in the other major (or singleton in the bid suit like after a minor suit transfer, according to your usual habits), two-suiter in the minors 4-4 or 5-4.<\/li><\/ul>\n\n\n\n
                    <\/div>\n\n\n
                    \n
                    \"\"
                    You are sitting South.
                    (*) Landy.<\/figcaption><\/figure><\/div>\n\n\n
                    <\/div>\n\n\n\n

                    If opener does not have a spade stopper, game in a minor must be bid.<\/p>\n\n\n\n

                    • 2NT: transfer to Clubs. Free bid, without information about strength.<\/li>
                    • 3♣️: Transfer to Diamonds. Game forcing. Else, bid 2♦️.<\/li>
                    • 3♦️: One five-card major. Game forcing. You consider playing 4 Hearts or 4 Spa-des (essential with a singleton in the other major).<\/li><\/ul>\n\n\n\n

                      Over 3♦️, 3♥️ is a relay, then:<\/p>\n\n\n\n

                      • 3♠️: five cards in Hearts.<\/li>
                      • 3NT: five cards in Spades. To have the correct hand play the contract.<\/li><\/ul>\n\n\n\n
                        <\/div>\n\n\n
                        \n
                        \"\"<\/figure><\/div>\n\n\n
                        <\/div>\n\n\n
                        \n
                        \"\"
                        (*) Landy.<\/figcaption><\/figure><\/div>\n\n\n
                        <\/div>\n\n\n\n
                        • 3♥️ and 3♠️: 5-5 minors, void in the other major, slam interest.<\/li><\/ul>\n\n\n\n
                          <\/div>\n\n\n
                          \n
                          \"\"
                          You are sitting South.
                          (*) Landy.<\/figcaption><\/figure><\/div>\n\n\n
                          <\/div>\n\n\n\n

                          Rules<\/strong><\/p>

                          Over a Landy 2♣️ or Multi 2♦️ a double promises 8+HCP and suggests playing for penalties (which does not mean you automatically double your opponents…)<\/p><\/blockquote>\n\n\n\n

                          <\/div>\n\n\n\n

                          3. 2♦️ multi, a six-card major, 9H+<\/strong><\/h2>\n\n\n\n
                          <\/div>\n\n\n\n
                          • Double: promises a four-card major, 8H+, any distribution. Shows interest to double for penalties.<\/li><\/ul>\n\n\n\n
                            <\/div>\n\n\n
                            \n
                            \"\"
                            You are sitting South.
                            (1) Multi.<\/figcaption><\/figure><\/div>\n\n\n

                            Natural, with four hearts, by inference.<\/p>\n\n\n\n

                            <\/div>\n\n\n
                            \n
                            \"\"
                            You are sitting South.
                            (1) Multi<\/figcaption><\/figure><\/div>\n\n\n

                            Punitive.<\/p>\n\n\n\n

                            <\/div>\n\n\n
                            \n
                            \"\"
                            You are sitting South.
                            (1) Multi.<\/figcaption><\/figure><\/div>\n\n\n

                            Four Hearts, regular hand without spade suit.<\/p>\n\n\n\n

                            <\/div>\n\n\n
                            \n
                            \"\"
                            You are sitting South.
                            (1) Multi.<\/figcaption><\/figure><\/div>\n\n\n

                            Four Hearts and the spade outfit.<\/p>\n\n\n\n

                            <\/div>\n\n\n
                            \n
                            \"\"
                            You are sitting South.
                            (*) Multi.<\/figcaption><\/figure><\/div>\n\n\n

                            Punitive.<\/p>\n\n\n\n

                            <\/div>\n\n\n
                            \n
                            \"\"
                            You are sitting South.
                            (*) Multi.<\/figcaption><\/figure><\/div>\n\n\n

                            Pass. If partner doubles 2♥️, it\u2019s Christmas; else we will play 4 Spades.<\/p>\n\n\n\n

                            • 2♥️ and 2♠️: natural, non-forcing.<\/li>
                            • 2NT: transfer to Clubs, without infor-mation about strength. Denies a four-card major in the game range.<\/li><\/ul>\n\n\n\n
                              <\/div>\n\n\n
                              \n
                              \"\"
                              You are sitting South.
                              (*) Multi.<\/figcaption><\/figure><\/div>\n\n\n
                              <\/div>\n\n\n\n
                              • 3♣️: transfer to Diamonds, without infor-mation about strength. Denies a four-card major in the game range.<\/li><\/ul>\n\n\n\n
                                <\/div>\n\n\n
                                \n
                                \"\"
                                You are sitting South.
                                (*) Multi.<\/figcaption><\/figure><\/div>\n\n\n
                                <\/div>\n\n\n\n

                                To play 3 Diamonds or to prepare to bid higher in diamonds in offense-defense.<\/p>\n\n\n\n

                                • 3♦️<\/strong>: transfer to hearts, game forcing.<\/li><\/ul>\n\n\n\n
                                  <\/div>\n\n\n
                                  \n
                                  \"\"
                                  You are sitting South.
                                  (1) Multi.
                                  (2) Approves Hearts or indicates not holding Spades.<\/figcaption><\/figure><\/div>\n\n\n
                                  <\/div>\n\n\n\n

                                  Natural bid towards slam.<\/p>\n\n\n\n

                                  • 3♥️: transfer to Spades, game forcing.<\/li>
                                  • 3NT: 9+-15 HCP with both majors stop-ped or gambling without anything in the majors and no alternative contract (example: ♠️964 ♥️532 ♦️<\/strong>AK8 ♣️KJ104).<\/li>
                                  • Pass followed by Double: t.-o., 8H+ without four-card major.<\/li><\/ul>\n\n\n\n
                                    <\/div>\n\n\n
                                    \n
                                    \"\"
                                    You are sitting South.
                                    (*) Multi.<\/figcaption><\/figure><\/div>\n\n\n
                                    <\/div>\n\n\n\n

                                    Careful! As Pass can hide a strong hand, if the fourth player passes over 2♦️<\/strong> with long diamonds and a weak hand, opener must balance. Risky business!<\/p>\n\n\n\n

                                    <\/div>\n\n\n\n

                                    What do you think of this article?<\/strong><\/h2>\n\n\n\n

                                    Feel free to share your view with other bridge players in the Comments<\/em> section.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                    As the use of the strong 1NT opening declines, the number of interventions increase, especially artificial ones. It is important to know how to react to the three main interventions you will face at the table (or in front of your computer…): the major-minor double, 2♣️ Landy and 2♦️ Multi. No more misunderstandings thanks to these simple and effective developments. 1. Double minor \u2013 major One simple rule: you ignore the Double; this means you bid as if there had been no intervention. 2♣️ : Stayman. 2♦️, 2♥️, 2♠️ and 2NT: transfer (2♠️ for Clubs and 2NT for Diamonds) Better\u2026<\/p>\n","protected":false},"author":26,"featured_media":50776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14923,10635],"tags":[14308,12236],"access":[13334],"class_list":["post-42183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bridge-lessons","category-let-s-talk-about-bridge","tag-cours-et-exercices","tag-exercises-en","access-premium-plus-en"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":5}},"acf":[],"yoast_head":"\nDefense against an artificial overcall over 1NT. - 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\/en\/defense-against-an-artificial-intervention-over-1nt\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Defense against an artificial overcall over 1NT. - Blog Funbridge\" \/>\n<meta property=\"og:description\" content=\"As the use of the strong 1NT opening declines, the number of interventions increase, especially artificial ones. It is important to know how to react to the three main interventions you will face at the table (or in front of your computer…): the major-minor double, 2♣️ Landy and 2♦️ Multi. No more misunderstandings thanks to these simple and effective developments. 1. Double minor \u2013 major One simple rule: you ignore the Double; this means you bid as if there had been no intervention. 2♣️ : Stayman. 2♦️, 2♥️, 2♠️ and 2NT: transfer (2♠️ for Clubs and 2NT for Diamonds) Better\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/\" \/>\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=\"2022-09-08T04:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-20T06:33:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/defense-against-an-artificial-intervention-over-1nt.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain L\u00e9vy\" \/>\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=\"Alain L\u00e9vy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/\"},\"author\":{\"name\":\"Alain L\u00e9vy\",\"@id\":\"https:\/\/funbridge.com\/blog\/#\/schema\/person\/1e8a36d2186668746f34fe276f5cd1bd\"},\"headline\":\"Defense against an artificial overcall over 1NT.\",\"datePublished\":\"2022-09-08T04:00:00+00:00\",\"dateModified\":\"2022-09-20T06:33:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/\"},\"wordCount\":780,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\/\/funbridge.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/defense-against-an-artificial-intervention-over-1nt.jpg\",\"keywords\":[\"cours et exercices\",\"exercises\"],\"articleSection\":[\"Bridge Lessons\",\"Let's talk about bridge\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/\",\"url\":\"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/\",\"name\":\"Defense against an artificial overcall over 1NT. - 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Il a gagn\u00e9 trois titres de champion du monde avec l\u2019\u00e9quipe de France Open et a \u00e9galement remport\u00e9 un nombre incalculable de titres nationaux. Il \u00e9crit des articles de bridge cibl\u00e9s sur les entames pour Bridgerama+ ainsi que pour Figaro Magazine. Il d\u00e9taille principalement ses analyses de ses parties sur le blog. Photo \u00a9 Caroline Moreau.\",\"url\":\"https:\/\/funbridge.com\/blog\/author\/alevy\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Defense against an artificial overcall over 1NT. - Blog Funbridge","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/","og_locale":"fr_FR","og_type":"article","og_title":"Defense against an artificial overcall over 1NT. - Blog Funbridge","og_description":"As the use of the strong 1NT opening declines, the number of interventions increase, especially artificial ones. It is important to know how to react to the three main interventions you will face at the table (or in front of your computer…): the major-minor double, 2♣️ Landy and 2♦️ Multi. No more misunderstandings thanks to these simple and effective developments. 1. Double minor \u2013 major One simple rule: you ignore the Double; this means you bid as if there had been no intervention. 2♣️ : Stayman. 2♦️, 2♥️, 2♠️ and 2NT: transfer (2♠️ for Clubs and 2NT for Diamonds) Better\u2026","og_url":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/","og_site_name":"Blog Funbridge","article_publisher":"https:\/\/www.facebook.com\/Funbridge\/","article_published_time":"2022-09-08T04:00:00+00:00","article_modified_time":"2022-09-20T06:33:42+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/defense-against-an-artificial-intervention-over-1nt.jpg","type":"image\/jpeg"}],"author":"Alain L\u00e9vy","twitter_card":"summary_large_image","twitter_creator":"@funbridge","twitter_site":"@funbridge","twitter_misc":{"\u00c9crit par":"Alain L\u00e9vy","Dur\u00e9e de lecture estim\u00e9e":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/#article","isPartOf":{"@id":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/"},"author":{"name":"Alain L\u00e9vy","@id":"https:\/\/funbridge.com\/blog\/#\/schema\/person\/1e8a36d2186668746f34fe276f5cd1bd"},"headline":"Defense against an artificial overcall over 1NT.","datePublished":"2022-09-08T04:00:00+00:00","dateModified":"2022-09-20T06:33:42+00:00","mainEntityOfPage":{"@id":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/"},"wordCount":780,"commentCount":2,"publisher":{"@id":"https:\/\/funbridge.com\/blog\/#organization"},"image":{"@id":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/#primaryimage"},"thumbnailUrl":"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/defense-against-an-artificial-intervention-over-1nt.jpg","keywords":["cours et exercices","exercises"],"articleSection":["Bridge Lessons","Let's talk about bridge"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/","url":"https:\/\/funbridge.com\/blog\/en\/defense-against-an-artificial-intervention-over-1nt\/","name":"Defense against an artificial overcall over 1NT. - 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