{"id":20013,"date":"2026-05-14T20:54:16","date_gmt":"2026-05-14T19:54:16","guid":{"rendered":"https:\/\/bridge.com\/?post_type=publication&#038;p=20013"},"modified":"2026-05-14T20:54:16","modified_gmt":"2026-05-14T19:54:16","slug":"a-short-excerpt-from-the-science-of-duplicate-bridge","status":"publish","type":"publication","link":"https:\/\/bridge.com\/en\/publication\/a-short-excerpt-from-the-science-of-duplicate-bridge\/","title":{"rendered":"a short excerpt from -The Science of Duplicate Bridge"},"content":{"rendered":"<p>(if you purchase on Amazon (cheap and funny) <strong>100% of all profits go to the ACBL Educational Foundation<\/strong>)<\/p>\n<h3 style=\"text-align: center\"><strong>The Science of Duplicate Bridge<\/strong><\/h3>\n<p style=\"text-align: center\">A collection of monographs rethinking duplicate bridge in view of modern theoretics<\/p>\n<p style=\"text-align: left\">&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;..<\/p>\n<h2>\u201cAll Change!\u201d: A Study in Semi-Structured Chaos \u2014 Duplicate Bridge Movement and the Random Walk<\/h2>\n<p>by Dr. Mitch Howell, Institute of Motion Analysis&#8230;&#8230;&#8230;.<\/p>\n<\/p>\n<p>&#8230;&#8230;&#8230;4. <strong>Bridge Movement as a Constrained Random Walk<\/strong><\/p>\n<p>Let us now examine the movement of East-West pairs through the lens of a constrained random walk:<br \/>&#8211; Step Set: Unlike a true random walk, bridge players have a predefined destination. Yet they often pause mid-step to consult movement slips, ask the director, or chat with friends. Their path from one table to the next is seldom linear.<br \/>&#8211; Boundary Conditions: Movement is confined within the physical layout of the bridge room. Tables act as barriers; chairs, players, and forgotten handbags provide further obstacles. These boundaries add complexity, creating a semi-reflective, quasi-lattice walk.<br \/>&#8211; Drift and Directionality: Though the movement is technically directional (from one table to the next), real-world execution introduces randomness: wrong turns, accidental table swaps, or forgetting the movement entirely.<br \/>&#8211; Error Propagation: Just as in random walks where errors or noise can compound over time, a single misdirected pair can create a domino effect of confusion \u2014 a phenomenon every director dreads&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Available in both paper and kindle format: <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/www.amazon.com\/dp\/B0GWR6WK95\">https:\/\/www.amazon.com\/dp\/B0GWR6WK95<\/a><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(if you purchase on Amazon (cheap and funny) 100% of all profits go to the ACBL Educational Foundation) The Science of Duplicate Bridge A collection&hellip;<\/p>\n","protected":false},"author":2637,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[]},"categories":[],"tags":[455,465,256,463],"language":[],"level":[450],"class_list":["post-20013","publication","type-publication","status-publish","hentry","tag-acbl","tag-all-levels","tag-experts","tag-funbridge","level-all-levels"],"acf":[],"publication_lang":"gb","_links":{"self":[{"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/publication\/20013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/publication"}],"about":[{"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/types\/publication"}],"author":[{"embeddable":true,"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/users\/2637"}],"replies":[{"embeddable":true,"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/comments?post=20013"}],"wp:attachment":[{"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/media?parent=20013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/categories?post=20013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/tags?post=20013"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/language?post=20013"},{"taxonomy":"level","embeddable":true,"href":"https:\/\/bridge.com\/en\/wp-json\/wp\/v2\/level?post=20013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}