{"id":24266,"date":"2023-03-07T09:00:08","date_gmt":"2023-03-07T17:00:08","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=24266"},"modified":"2023-02-20T11:45:26","modified_gmt":"2023-02-20T19:45:26","slug":"deficit-sudoku-by-thomas-snyder","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2023\/03\/deficit-sudoku-by-thomas-snyder\/","title":{"rendered":"Deficit Sudoku by Thomas Snyder"},"content":{"rendered":"<p><i>[This is a repost from our archives with new notes at the top (original post <a href=https:\/\/www.gmpuzzles.com\/blog\/2013\/02\/dr-sudoku-prescribes-50-deficit-sudoku\/>here<\/a>): My first experience with Deficit Sudoku, originally from Wei-Hwa Huang and named &#8220;Udoku&#8221;, was at the second World Sudoku Championship in Prague. By the time we wrote the style into our Mutant Sudoku book, we had renamed the variation to Deficit Sudoku. This theme recalls a special challenge Wei-Hwa made in that first set using the digits 0-9; in this case, I could make a similar think outside the box theme with just 1-7, keeping the 7 as an unseen number.]<\/i><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2023\/GM-DeficitSudoku-gRto-R.png\" alt=\"Deficit Sudoku by Thomas Snyder\"><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2023\/GM-DeficitSudoku-gRto-R.pdf\">PDF<\/a><\/p>\n<p>or <a href=https:\/\/gmpuzzles.com\/s\/130226Not6>solve online<\/a> (using our beta test of Penpa-Edit tools)<\/p>\n<p><b>Theme:<\/b> Not Your Standard 6&#215;6 Sudoku! An homage to my favorite (10&#215;10) puzzle from the original &#8220;Udoku&#8221; set of Deficit Sudoku by Wei-Hwa Huang.<\/p>\n<p><b>Rules:<\/b> Standard <a href=\"https:\/\/www.gmpuzzles.com\/blog\/deficit-surplus-sudoku-rules-and-info\/\" \/>Deficit Sudoku<\/a> rules, with numbers from 1-7.<\/p>\n<p><b>Estimated Difficulty<a href=https:\/\/www.gmpuzzles.com\/blog\/2023\/01\/sudoku-by-thomas-snyder-12\/>*<\/a>:<\/b> 2 stars<\/p>\n<p><b>Time Standards (highlight to view):<\/b> <span style=\"color:white;background-color:white;\">Grandmaster = 1:00, Master = 2:00, Expert = 4:00<\/span><\/p>\n<p><b>Solution:<\/b> <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/GM-DeficitSudoku-gRto-soln.pdf\">PDF<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[This is a repost from our archives with new notes at the top (original post here): My first experience with Deficit Sudoku, originally from Wei-Hwa Huang and named &#8220;Udoku&#8221;, was at the second World Sudoku Championship in Prague. By the time we wrote the style into our Mutant Sudoku book, we had renamed the variation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[209],"tags":[],"class_list":["post-24266","post","type-post","status-publish","format-standard","hentry","category-reposts"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Deficit Sudoku by Thomas Snyder - The Art of Puzzles<\/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:\/\/www.gmpuzzles.com\/blog\/2023\/03\/deficit-sudoku-by-thomas-snyder\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Deficit Sudoku by Thomas Snyder - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"[This is a repost from our archives with new notes at the top (original post here): My first experience with Deficit Sudoku, originally from Wei-Hwa Huang and named &#8220;Udoku&#8221;, was at the second World Sudoku Championship in Prague. By the time we wrote the style into our Mutant Sudoku book, we had renamed the variation [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2023\/03\/deficit-sudoku-by-thomas-snyder\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-07T17:00:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2023\/GM-DeficitSudoku-gRto-R.png\" \/>\n<meta name=\"author\" content=\"drsudoku\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@drsudoku\" \/>\n<meta name=\"twitter:site\" content=\"@drsudoku\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"drsudoku\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/\"},\"author\":{\"name\":\"drsudoku\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/16f28006b2b31c98ce6d8d1affd60275\"},\"headline\":\"Deficit Sudoku by Thomas Snyder\",\"datePublished\":\"2023-03-07T17:00:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/\"},\"wordCount\":158,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2023\\\/GM-DeficitSudoku-gRto-R.png\",\"articleSection\":[\"Reposts\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2023\\\/03\\\/deficit-sudoku-by-thomas-snyder\\\/\",\"name\":\"Deficit Sudoku by Thomas Snyder - 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