Tool Terms and Important Information

1. Free tools for personal practice

202ch's darts calculation and practice tools are developed and operated by an individual and made available free of charge to help people enjoy darts through personal practice and recreation. The operator may receive revenue from advertisements and affiliate links.

The tools are intended primarily for personal use in Japan. Multilingual displays help people in Japan who use languages other than Japanese understand the content provided in Japanese and use the tools for personal practice. The selected display language does not change the intended purpose or the terms of use.

2. Purpose and Important Information About the Tools

The Site’s web tools are provided to assist with darts practice, score calculations and checking checkout routes.

The accuracy, completeness, currency or fitness for a particular purpose of displayed calculation results, checkout suggestions and other information is not guaranteed.

Please review the content and use the Site’s information and web tools at your own discretion. When using them in a tournament, venue or similar setting, please prioritize and confirm the applicable official rules and guidance.

3. Displayed results and records

Bugs, network or device conditions, settings, input errors and other factors may cause incorrect displays, interruptions or loss of records. Check the storage information shown in each tool and save any records you need separately. If displays or calculations appear incorrect, stop relying on those results.

Checkout suggestions and their priority reflect the operator’s experience and personal approach. They are examples to try during personal practice, not official positions or recommendations of a governing body or manufacturer, nor the only or optimal approach.

4. External information, advertising and privacy

Links to external sites, product information, prices, news and other information may change after publication. Before making a purchase or deciding to participate in an event, check the latest information from the seller, organizer or original source. External services are subject to their own terms of use.

Advertisements and affiliate links may be displayed. Please also consult the site's privacy policy for information on the handling of personal information and access data.

5. Changes to the tools and terms

The tools may be changed, suspended or discontinued for maintenance, bug fixes, security, or changes to features or operations.

When these terms change, the changes and their effective date will be announced on the site. Revised terms will not be applied retroactively to earlier use. Renewed agreement will be requested where required by applicable law.

6. Governing law and user rights

These terms are governed by and interpreted under Japanese law. This does not limit protections provided to users by applicable mandatory law.