{"id":502,"date":"2025-12-17T11:50:31","date_gmt":"2025-12-16T22:50:31","guid":{"rendered":"https:\/\/thesudoku.com\/blog\/?page_id=502"},"modified":"2026-07-14T12:15:37","modified_gmt":"2026-07-14T00:15:37","slug":"naked-triple","status":"publish","type":"page","link":"https:\/\/thesudoku.com\/blog\/naked-triple\/","title":{"rendered":"Naked Triple"},"content":{"rendered":"\n<div class=\"wp-block-group content-wrapper has-base-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"min-height:90vh;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:0;padding-bottom:0\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-b5150c35 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--40);padding-bottom:0;padding-left:var(--wp--preset--spacing--40)\">\n<p class=\"is-style-default\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.392), 18px);font-style:normal;font-weight:700\"><a href=\"https:\/\/thesudoku.com\/sudoku-rules-normal\/\" data-type=\"page\" data-id=\"73\">&lt; Back<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-8dd13e6d wp-block-group-is-layout-constrained\" style=\"padding-right:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\">\n<p class=\"is-style-text-display is-style-text-display--1\" style=\"font-size:clamp(17.905px, 1.119rem + ((1vw - 3.2px) * 0.99), 28px);font-style:normal;font-weight:800\">How to Use the Naked Triples Strategy in Sudoku<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Logic Behind a Naked Triple<\/h2>\n\n\n\n<p>A Naked Triple occurs when <strong>three cells<\/strong> in the same unit (row, column, or block) contain a total of <strong>the same three candidates<\/strong>.<\/p>\n\n\n\n<p>Look at this example. The highlighted block contains 3 cells that share exactly 3 numbers.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-default\" style=\"margin-top:var(--wp--preset--spacing--30);margin-right:0;margin-bottom:0;margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"697\" src=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7338.png\" alt=\"Naked Triple Sudoku example\" class=\"wp-image-503\" style=\"object-fit:cover;width:349px;height:auto\" srcset=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7338.png 697w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7338-300x300.png 300w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7338-150x150.png 150w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--20)\"\/>\n<\/div>\n\n\n\n<p>Therefore, we know with absolute certainty that those three spots are completely locked by these numbers(1, 5, and 8). No other numbers can fit into those cells, and that means 1, 5, and 8 can\u2019t appear in other cells of the unit and can be deleted.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-default\" style=\"margin-top:var(--wp--preset--spacing--30);margin-right:0;margin-bottom:0;margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"697\" src=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7337.png\" alt=\"Naked triple highlighted\" class=\"wp-image-504\" style=\"object-fit:cover;width:349px;height:auto\" srcset=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7337.png 697w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7337-300x300.png 300w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7337-150x150.png 150w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--20)\"\/>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The Golden Rule of Triples (Variations)<\/h2>\n\n\n\n<p>A common mistake is thinking that all three cells must look identical (e.g., all containing 1, 5, and 8). In reality, a Naked Triple is valid even if some digits are missing from individual cells. For example, a triple can look like this:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cell A: 1 &amp; 5<\/li>\n\n\n\n<li>Cell B: 5 &amp; 8<\/li>\n\n\n\n<li>Cell C: 1 &amp; 8<\/li>\n<\/ul>\n\n\n\n<p>As long as the total pool of candidates across all three cells does not exceed three unique numbers, the strategy works perfectly!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Step-by-Step Elimination<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Scan for matching sets:<\/strong> Look across a unit for three cells that only contain combinations of the same three numbers (in our case: 1, 5, and 8).<\/li>\n\n\n\n<li><strong>Verify the lock:<\/strong> Ensure no other candidates are hidden inside those three target cells.<\/li>\n\n\n\n<li><strong>Clean the unit:<\/strong> Go through every <em>other<\/em> empty cell in that specific row, column, or block, and erase any 1s, 5s, or 8s from their pencil notes.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-default\" style=\"margin-top:var(--wp--preset--spacing--30);margin-right:0;margin-bottom:var(--wp--preset--spacing--30);margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"697\" src=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7339.png\" alt=\"Naked triple applied to a Sudoku grid\" class=\"wp-image-505\" style=\"object-fit:cover;width:349px;height:auto\" srcset=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7339.png 697w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7339-300x300.png 300w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7339-150x150.png 150w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--20)\"\/>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Apply: Rows, Columns, and Blocks<\/h2>\n\n\n\n<p>Just like pairs, triples can be found in any playing zone on the board:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>In a 3&#215;3 Block:<\/strong> Clearing a triple inside a block helps you rapidly shrink the possibilities for the intersecting lines.<\/li>\n\n\n\n<li><strong>In Lines:<\/strong> <strong>Naked Triple can also be applied in a column or row.<\/strong> When you eliminate digits along a full horizontal or vertical line, it frequently exposes a <em>Naked Single<\/em> in a completely different part of the grid.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-default\" style=\"margin-top:var(--wp--preset--spacing--30);margin-right:0;margin-bottom:var(--wp--preset--spacing--30);margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"697\" src=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7421.png\" alt=\"Naked triple Sudoku technique in a row\" class=\"wp-image-506\" style=\"object-fit:cover;width:349px;height:auto\" srcset=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7421.png 697w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7421-300x300.png 300w, https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-7421-150x150.png 150w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--20)\"\/>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Take Your Logic to the Next Level<\/h2>\n\n\n\n<p>Spotting Naked Triples requires patience and practice, but it is one of the most rewarding skills to develop. It trains your brain to see groups of cells working together as a single logical unit.<\/p>\n\n\n\n<p><strong>Ready to hunt for triples?<\/strong> Activate your pencil notes, and see how clean you can make your grid!<\/p>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--20)\"\/>\n\n\n\n<div class=\"wp-block-group alignwide is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-7f2ee5f7 wp-block-group-is-layout-flex\" style=\"padding-top:0;padding-right:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\">\n<p style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.392), 18px);font-style:normal;font-weight:600\"><a href=\"https:\/\/thesudoku.com\/hidden-pairs\/\" data-type=\"page\" data-id=\"447\">&lt; Hidden Pairs<\/a><\/p>\n\n\n\n<p style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.392), 18px);font-style:normal;font-weight:600\"><a href=\"https:\/\/thesudoku.com\/hidden-triple\/\" data-type=\"page\" data-id=\"447\">Hidden Triple&gt;<\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&lt; Back How to Use the Naked Triples Strategy in Sudoku The Logic Behind a Naked Triple A Naked Triple occurs when three cells in the same unit (row, column, or block) contain a total of the same three candidates. Look at this example. The highlighted block contains 3 cells that share exactly 3 numbers. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"footnotes":""},"categories":[113],"tags":[],"class_list":["post-502","page","type-page","status-publish","hentry","category-normal-techniques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Naked Triple - TheSudoku.com<\/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:\/\/thesudoku.com\/blog\/naked-triple\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Naked Triple - TheSudoku.com\" \/>\n<meta property=\"og:description\" content=\"&lt; Back How to Use the Naked Triples Strategy in Sudoku The Logic Behind a Naked Triple A Naked Triple occurs when three cells in the same unit (row, column, or block) contain a total of the same three candidates. 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Look at this example. The highlighted block contains 3 cells that share exactly 3 numbers. 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