{"version":"1.0","provider_name":"Blog Funbridge","provider_url":"https:\/\/funbridge.com\/blog","author_name":"Alain L\u00e9vy","title":"Responder's Sputnik double - Blog Funbridge","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"7lPdGAkh1v\"><a href=\"https:\/\/funbridge.com\/blog\/en\/responders-sputnik-double\/\">Responder&#8217;s Sputnik double<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/funbridge.com\/blog\/en\/responders-sputnik-double\/embed\/#?secret=7lPdGAkh1v\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Responder&#8217;s Sputnik double\u00a0\u00bb &#8212; Blog Funbridge\" data-secret=\"7lPdGAkh1v\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/funbridge.com\/blog\/wp-content\/uploads\/bridge-lesson-responders-sputnik-double.jpg","thumbnail_width":1920,"thumbnail_height":1080,"description":"The Sputnik Double does not date from yesterday. It was invented in 1957 by the Americans Alvin Roth and Tobias Stone at the time of the launch of the first satellite, and then very quickly baptized by their compatriot Oswald Jacoby. Our collaborator has broken down his study into four parts. Learn how to get into the right orbit! Summary A. The simple Sputnik double B. The sequence 1&#x2666;-2&#x2663;&#xfe0f;-Double C. After an overcall at the one-level D. After a one in a major opening and an overcall on the two-level A. The simple Sputnik double When an opponent overcalls 1&#x2660;\u2026"}