App Privacy

Privacy Policy & Terms of Use for Chessnut App

Last updated: [15/08/2025]

Welcome to Chessnut! This Privacy Policy outlines how we collect, use, and safeguard your information when you use our app.

Information We Collect:

1. Account Information: When you register for a Chessnut account, we collect your username, email address, and any other information you provide during the registration process.

2. Usage Data: We may collect information about your interactions with the app, such as moves made, game history, and preferences.

How We Use Your Information:

1. Account Management: We use your account information to create and manage your Chessnut account, personalize your experience, and communicate with you regarding your account.

2. App Improvement: Usage data helps us understand how you interact with Chessnut, allowing us to enhance and optimize the app's features and performance.

Data Security:

We prioritize the security of your information. We employ industry-standard measures to protect against unauthorized access, disclosure, alteration, or destruction of your data.

Disclaimer for Connecting to Third-Party Platforms：

1. Connection to Third-Party Platforms

This App allows you to connect to third-party online chess platforms, such as Lichess.org and Chess.com.

2. Connection Methods & Associated Risks
We provide multiple connection methods, including but not limited to:

A. Official API Connection: This method connects through the platform's officially endorsed interface. This is the recommended and secure method.

B. Chessnut Vision Connection (Use with Caution): This feature uses image recognition to sync your physical board. It is designed for legitimate play. However, its automated nature means that the platform's automated detection systems may mistakenly flag it as unauthorized assistance, leading to a false positive in their fair-play review.

3. Important Note on Account Safety
Our goal is to provide a fair and seamless experience.We want you to be fully informed. There is a known risk that using the Chessnut Vision connection could trigger fair-play detection systems,the security algorithms of sites like Lichess and Chess.com could misinterpret its activity, potentially resulting in account restrictions.

We are continuously working to align our technology with platform policies. However, as these platforms frequently update their security measures, we cannot eliminate this risk entirely. Especially as their detection systems evolve. Therefore, any account penalties incurred due to such false detections are solely the user's responsibility.

4. User Acknowledgement
By checking the agreement checkbox and proceeding to use the App's connection features, you confirm that you have fully read, understood, and accepted the following: You voluntarily choose your connection method and independently bear all consequences arising from this choice. We strongly advise users who value their Lichess.org and Chess.com accounts to always select the Official API connection.

Your Choices:

You can manage your account settings and preferences within the Chessnut app. Additionally, you can contact us if you wish to review, update, or delete your account information.