Terms of Service

1. Provider and Service

Kinglet Chess is operated by Tim Tiefenbach - TeaFan Media, Storchenallee 31a, 65201 Wiesbaden, Germany. You can reach us at [email protected]. Further details can be found in our Legal Notice (Impressum).

Kinglet Chess is a platform for playing and learning chess. These Terms of Service apply to the use of the website kingletchess.com.

2. Free Use

Learning chess will always remain accessible free of charge. Any future paid extras will not replace or block this access to learning.

The gameplay and learning features currently offered are free of charge. Using the platform or creating an account does not result in a paid subscription or any payment obligations.

Stars, gems, crowns, and other progress indicators serve exclusively to visualize your learning progress. They hold no monetary value and cannot be paid out or traded.

3. Guest Use, Accounts, and Minors

You can use Kinglet without an account when playing against the computer, learning, or solving puzzles. To play games against other human players, you need a verified account and a public username.

Minors may only use an account with the consent of their legal guardians. Guardians may contact us with any questions or deletion requests.

Please protect your account credentials and do not share them with others. If you suspect unauthorized access, revoke the affected sessions via your account settings and notify us.

Your public username must not contain offensive, discriminatory, or unlawful content, nor may it mislead others regarding your identity or any affiliation with Kinglet.

4. Fair Play and Permitted Assistance

In rated games against other human players, you must decide on your moves yourself. Chess engines, AI systems, move suggestions from third parties, and any other external decision-making aids are prohibited during these games.

Aids built into Kinglet when playing against the computer, as well as aids explicitly provided in training games, are permitted. In unrated games, participants may mutually agree on additional aids in advance.

Any deliberate manipulation of results or ratings—for example, through arranged losses or secondary accounts—is not permitted.

Elo ratings and progress indicators are internal metrics of Kinglet and do not represent official chess federation ratings.

5. Protection of the Service and Other Users

You may not use Kinglet for unlawful purposes or intentionally disrupt its operations. In particular, you may not access or scrape third-party accounts or private games, bypass access restrictions, or employ automated requests that interfere with the service.

If you discover a security vulnerability, please report it to [email protected] and refrain from accessing any further third-party data.

6. Games, Learning Progress, and Storage

The visibility of your games depends on the game mode: Games played against the computer can be viewed via their URL and in public listings. Two-player games, including PGN notation and post-game analysis, are accessible within Kinglet only to the two participants.

Kinglet is not an unlimited game archive. For registered users, a maximum of 100 completed games per library will remain fully accessible. If archiving becomes necessary due to exceeding this limit, we will announce this on the website 30 days in advance and provide an option to export PGNs.

If you wish to retain games independently of Kinglet, please use the export function. Learning progress saved without an account is stored locally in your browser and may be lost if browser storage is cleared.

Full details regarding storage, archiving, and deletion can be found in our Privacy Policy.

7. Content and Rights of Use

You may use Kinglet via its provided features for playing and learning, including for educational purposes and classroom instruction. You may download and reuse your own games using the export features.

All intellectual property rights in software, learning materials, graphics, and trademarks remain with their respective rights holders. Any included open-source components are subject to their own license terms.

To the extent that rights exist in content submitted by you, you grant us only those rights necessary to provide your requested features, specifically for storage, display, and export. All other rights in your content remain with you.

8. Availability, Analysis, and Liability

Maintenance work and technical disruptions may temporarily impair the use of the service.

Chess evaluations, tutor hints, and learning materials may contain errors. No specific learning outcome or improvement in playing strength is guaranteed or promised.

We are liable for damages in accordance with statutory legal provisions. Statutory claims and mandatory consumer rights remain unaffected.

9. Restrictions and Suspensions

Where there are concrete indications of misuse or violations of these Terms, we may temporarily restrict affected features or accounts. In cases of severe or repeated violations, an account may be permanently suspended.

We take into account the nature and severity of the violation. Where feasible, we will inform you of the reason and give you the opportunity to respond. In the event of urgent security concerns, restrictions may be imposed immediately.

If you believe a measure taken was unjustified, you may contact us at [email protected] to request a review.

10. Termination and Data Protection

You may stop using the service at any time and delete your account via the account settings. The effects of deletion on games, ratings, and stored data are set out in the Privacy Policy.

Details on how we process personal data are set out exclusively in the Privacy Policy. Agreeing to these Terms of Service does not constitute blanket consent to additional data processing.

11. Amendments to these Terms

We may propose amendments to these Terms of Service if the service or legal requirements change. We will notify you of material changes prior to their scheduled effective date.

Where consent is legally required, we will obtain it explicitly. Your silence will not be deemed consent.