{"id":12435,"date":"2021-02-20T09:00:57","date_gmt":"2021-02-20T17:00:57","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=12435"},"modified":"2021-11-07T07:06:04","modified_gmt":"2021-11-07T15:06:04","slug":"star-battle-by-jinhoo-ahn-4","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/","title":{"rendered":"Star Battle by JinHoo Ahn"},"content":{"rendered":"

\"Star<\/p>\n

PDF<\/a><\/p>\n

or solve online<\/a> (using our beta test of Penpa-Edit tools)<\/p>\n

Theme:<\/b> Pinwheel<\/p>\n

Author\/Opus:<\/b> This is the 19th puzzle from our contributing puzzlemaster JinHoo Ahn.<\/p>\n

Rules:<\/b> Standard Star Battle<\/a> rules. Two stars per row, column, and region.<\/p>\n

Difficulty:<\/b> 4 stars<\/p>\n

Time Standards (highlight to view):<\/b> Grandmaster = 4:00, Master = 10:00, Expert = 20:00<\/span><\/p>\n

Solution:<\/b> PDF<\/a>; two solution videos are also available here (more complex path)<\/a> and here (simpler path)<\/a>.<\/p>\n

Note:<\/b> Follow this link for other classic Star Battles<\/a> and this link for Star Battle variations<\/a>. If you are new to this puzzle type, here are our easiest Star Battles<\/a> to get started on. More Star Battle puzzles can be found in The Art of Puzzles<\/i><\/a>, in the books Star Battle<\/i><\/a> by JinHoo Ahn and Star Battle 2<\/i><\/a> by JinHoo Ahn and Murat Can Tonta, and in our beginner-friendly collection Intro to GMPuzzles<\/i><\/a> by Serkan Y\u00fcrekli.<\/p>\n","protected":false},"excerpt":{"rendered":"

PDF or solve online (using our beta test of Penpa-Edit tools) Theme: Pinwheel Author\/Opus: This is the 19th puzzle from our contributing puzzlemaster JinHoo Ahn. Rules: Standard Star Battle rules. Two stars per row, column, and region. Difficulty: 4 stars Time Standards (highlight to view): Grandmaster = 4:00, Master = 10:00, Expert = 20:00 Solution: […]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25,3],"tags":[17,26,82],"class_list":["post-12435","post","type-post","status-publish","format-standard","hentry","category-star-battle","category-puzzle","tag-fridaysaturday","tag-starbattle","tag-classic"],"yoast_head":"\nStar Battle by JinHoo Ahn - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"With such a simple Pinwheel pattern, it may be surprising how difficult the logic is in this Star Battle puzzle by JinHoo Ahn.\" \/>\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\/2021\/02\/star-battle-by-jinhoo-ahn-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Star Battle by JinHoo Ahn - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"With such a simple Pinwheel pattern, it may be surprising how difficult the logic is in this Star Battle puzzle by JinHoo Ahn.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2021-02-20T17:00:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-07T15:06:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/210220-StarBattle-Pinwheel.png\" \/>\n<meta name=\"author\" content=\"JinHoo Ahn\" \/>\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=\"JinHoo Ahn\" \/>\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\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/\"},\"author\":{\"name\":\"JinHoo Ahn\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/0fb79f09bcd17db08815f3b3df93d020\"},\"headline\":\"Star Battle by JinHoo Ahn\",\"datePublished\":\"2021-02-20T17:00:57+00:00\",\"dateModified\":\"2021-11-07T15:06:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/\"},\"wordCount\":145,\"commentCount\":1,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles\\\/210220-StarBattle-Pinwheel.png\",\"keywords\":[\"fri\\\/sat\",\"starbattle\",\"classic\"],\"articleSection\":[\"Star Battle\",\"Puzzle\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/\",\"name\":\"Star Battle by JinHoo Ahn - The Art of Puzzles\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles\\\/210220-StarBattle-Pinwheel.png\",\"datePublished\":\"2021-02-20T17:00:57+00:00\",\"dateModified\":\"2021-11-07T15:06:04+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/0fb79f09bcd17db08815f3b3df93d020\"},\"description\":\"With such a simple Pinwheel pattern, it may be surprising how difficult the logic is in this Star Battle puzzle by JinHoo Ahn.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles\\\/210220-StarBattle-Pinwheel.png\",\"contentUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles\\\/210220-StarBattle-Pinwheel.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/02\\\/star-battle-by-jinhoo-ahn-4\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Star Battle by JinHoo Ahn\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/\",\"name\":\"The Art of Puzzles\",\"description\":\"Grandmaster Puzzles\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/0fb79f09bcd17db08815f3b3df93d020\",\"name\":\"JinHoo Ahn\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bd50be4b8c9523d2178afef3572bcec235b676525892827f8d4688c8f8693d4e?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bd50be4b8c9523d2178afef3572bcec235b676525892827f8d4688c8f8693d4e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bd50be4b8c9523d2178afef3572bcec235b676525892827f8d4688c8f8693d4e?s=96&d=mm&r=g\",\"caption\":\"JinHoo Ahn\"},\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/author\\\/jinhoo-ahn\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Star Battle by JinHoo Ahn - The Art of Puzzles","description":"With such a simple Pinwheel pattern, it may be surprising how difficult the logic is in this Star Battle puzzle by JinHoo Ahn.","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:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/","og_locale":"en_US","og_type":"article","og_title":"Star Battle by JinHoo Ahn - The Art of Puzzles","og_description":"With such a simple Pinwheel pattern, it may be surprising how difficult the logic is in this Star Battle puzzle by JinHoo Ahn.","og_url":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/","og_site_name":"The Art of Puzzles","article_published_time":"2021-02-20T17:00:57+00:00","article_modified_time":"2021-11-07T15:06:04+00:00","og_image":[{"url":"https:\/\/www.gmpuzzles.com\/images\/puzzles\/210220-StarBattle-Pinwheel.png","type":"","width":"","height":""}],"author":"JinHoo Ahn","twitter_card":"summary_large_image","twitter_creator":"@drsudoku","twitter_site":"@drsudoku","twitter_misc":{"Written by":"JinHoo Ahn","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#article","isPartOf":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/"},"author":{"name":"JinHoo Ahn","@id":"https:\/\/www.gmpuzzles.com\/blog\/#\/schema\/person\/0fb79f09bcd17db08815f3b3df93d020"},"headline":"Star Battle by JinHoo Ahn","datePublished":"2021-02-20T17:00:57+00:00","dateModified":"2021-11-07T15:06:04+00:00","mainEntityOfPage":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/"},"wordCount":145,"commentCount":1,"image":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#primaryimage"},"thumbnailUrl":"https:\/\/www.gmpuzzles.com\/images\/puzzles\/210220-StarBattle-Pinwheel.png","keywords":["fri\/sat","starbattle","classic"],"articleSection":["Star Battle","Puzzle"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/","url":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/","name":"Star Battle by JinHoo Ahn - The Art of Puzzles","isPartOf":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#primaryimage"},"image":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#primaryimage"},"thumbnailUrl":"https:\/\/www.gmpuzzles.com\/images\/puzzles\/210220-StarBattle-Pinwheel.png","datePublished":"2021-02-20T17:00:57+00:00","dateModified":"2021-11-07T15:06:04+00:00","author":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/#\/schema\/person\/0fb79f09bcd17db08815f3b3df93d020"},"description":"With such a simple Pinwheel pattern, it may be surprising how difficult the logic is in this Star Battle puzzle by JinHoo Ahn.","breadcrumb":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#primaryimage","url":"https:\/\/www.gmpuzzles.com\/images\/puzzles\/210220-StarBattle-Pinwheel.png","contentUrl":"https:\/\/www.gmpuzzles.com\/images\/puzzles\/210220-StarBattle-Pinwheel.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.gmpuzzles.com\/blog\/2021\/02\/star-battle-by-jinhoo-ahn-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.gmpuzzles.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Star Battle by JinHoo Ahn"}]},{"@type":"WebSite","@id":"https:\/\/www.gmpuzzles.com\/blog\/#website","url":"https:\/\/www.gmpuzzles.com\/blog\/","name":"The Art of Puzzles","description":"Grandmaster Puzzles","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.gmpuzzles.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.gmpuzzles.com\/blog\/#\/schema\/person\/0fb79f09bcd17db08815f3b3df93d020","name":"JinHoo Ahn","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/bd50be4b8c9523d2178afef3572bcec235b676525892827f8d4688c8f8693d4e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bd50be4b8c9523d2178afef3572bcec235b676525892827f8d4688c8f8693d4e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bd50be4b8c9523d2178afef3572bcec235b676525892827f8d4688c8f8693d4e?s=96&d=mm&r=g","caption":"JinHoo Ahn"},"url":"https:\/\/www.gmpuzzles.com\/blog\/author\/jinhoo-ahn\/"}]}},"_links":{"self":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts\/12435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/comments?post=12435"}],"version-history":[{"count":5,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts\/12435\/revisions"}],"predecessor-version":[{"id":17512,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts\/12435\/revisions\/17512"}],"wp:attachment":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/media?parent=12435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/categories?post=12435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/tags?post=12435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}