Privacy Policy

April 14, 2026

Last updated: April 2026

Welcome to 51shogi.org (“we,” “our,” or “us”). This Privacy Policy explains how we collect, use, disclose, and protect your information when you visit our website at https://51shogi.org. Please read this policy carefully. If you disagree with its terms, please stop using the site.

1. Information We Collect

Information You Provide Voluntarily

We may collect personal information you choose to provide, including:

  • Your name and email address when you subscribe to our newsletter or contact us through our contact form
  • Comments you post on our articles
  • Any other information you voluntarily submit

Information Collected Automatically

When you visit 51shogi.org, certain information is collected automatically, including:

  • Log data: Your IP address, browser type and version, pages visited, time and date of visit, time spent on pages, and referring URL
  • Cookies: Small data files stored on your device that help us improve your experience (see Section 4 below)
  • Device information: Hardware model, operating system, and unique device identifiers
  • Usage data: How you interact with our content, which articles you read, and how long you spend on each page

2. How We Use Your Information

We use the information we collect to:

  • Provide, operate, and maintain our website and its content
  • Improve, personalize, and expand our website and content offerings
  • Understand how visitors use our site so we can improve user experience
  • Send periodic emails regarding new articles, updates, or other information related to shogi learning (only if you have subscribed)
  • Respond to comments, questions, and requests
  • Monitor and analyze usage and trends to improve your experience
  • Detect, prevent, and address technical issues or fraudulent activity
  • Comply with legal obligations

3. Google AdSense and Advertising

We use Google AdSense to display advertisements on our website. Google AdSense uses cookies to serve ads based on a user’s prior visits to our website and other websites. Google’s use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the internet.

You may opt out of personalized advertising by visiting Google’s Ads Settings. Alternatively, you can opt out of a third-party vendor’s use of cookies for personalized advertising by visiting www.aboutads.info.

Google, as a third-party vendor, uses cookies to serve ads on our site. Google’s use of the DoubleClick cookie enables it and its partners to serve ads to our users based on their visit to our site and/or other sites on the internet. For more information about Google’s privacy practices, please visit the Google Privacy Policy.

4. Cookies

Cookies are small text files that are placed on your device when you visit a website. We use the following types of cookies:

  • Essential cookies: Required for the website to function properly. These cannot be disabled.
  • Analytics cookies: Help us understand how visitors interact with our website by collecting and reporting information anonymously. We use Google Analytics for this purpose.
  • Advertising cookies: Used by Google AdSense to display relevant advertisements to you based on your interests.
  • Preference cookies: Remember your settings and preferences to provide a more personalized experience.

You can control cookies through your browser settings. Most browsers allow you to refuse cookies or alert you when cookies are being sent. However, disabling cookies may affect the functionality of certain parts of our website.

5. Third-Party Services

Our website uses the following third-party services that may collect information about you:

These third parties have their own privacy policies governing the use of your information, and we recommend reviewing them.

6. Data Retention

We retain personal information only as long as necessary to fulfill the purposes for which it was collected, including to satisfy any legal, accounting, or reporting obligations. Comment data and subscriber information are retained until you request deletion or withdraw consent.

7. Your Rights

Depending on your location, you may have the following rights regarding your personal data:

  • Access: Request a copy of the personal data we hold about you
  • Correction: Request correction of inaccurate or incomplete data
  • Deletion: Request deletion of your personal data (“right to be forgotten”)
  • Restriction: Request restriction of processing your personal data
  • Portability: Receive your personal data in a structured, commonly used format
  • Objection: Object to processing of your personal data for direct marketing purposes

To exercise any of these rights, please contact us using the information provided in the Contact section below.

8. Children’s Privacy

Our website is not directed to children under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately so we can take appropriate action.

9. Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the internet or method of electronic storage is 100% secure, and we cannot guarantee absolute security.

10. Links to Other Websites

Our website may contain links to third-party websites. We are not responsible for the privacy practices or content of those sites. We encourage you to review the privacy policies of any external sites you visit.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will post the updated policy on this page with a revised “Last updated” date. We encourage you to review this policy periodically.

12. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

We will respond to all legitimate requests within a reasonable timeframe.

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