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# Terms of Service

**Last updated: September 29, 2025**

## 1. Acceptance of Terms

By accessing and using Chess Board Notation Trainer available at http://chessnotation.org (the "Service"), you accept and agree to be bound by the terms and provisions of this agreement. If you do not agree to abide by the above, please do not use this service.

## 2. Description of Service

Chess Board Notation Trainer is an educational web application designed to help users learn chess board notation through interactive training exercises. The Service provides:
- Interactive chess square recognition training
- Progress tracking and statistics
- Customizable game modes and settings
- User account management
- Optional premium features

## 3. User Accounts and Registration

### 3.1 Account Creation
- You may create an account to access additional features
- You must provide accurate and complete information during registration
- You are responsible for maintaining the confidentiality of your login credentials
- You must be at least 13 years old to create an account

### 3.2 Account Security
- You are responsible for all activities that occur under your account
- You must notify us immediately of any unauthorized access to your account
- We reserve the right to suspend or terminate accounts that violate these terms
- You may not share your account with others or create multiple accounts

## 4. Acceptable Use Policy

### 4.1 Permitted Uses
- Use the Service for educational and personal chess training purposes
- Practice chess notation and board visualization skills
- Access features included in your account type (free or premium)
- Provide feedback to help improve the Service

### 4.2 Prohibited Uses
You agree NOT to:
- Use the Service for any illegal or unauthorized purpose
- Attempt to reverse engineer, decompile, or hack the Service
- Interfere with or disrupt the Service, servers, or networks
- Use automated scripts, bots, or crawlers to access the Service
- Create accounts using false information or impersonate others
- Transmit viruses, malware, or other harmful code
- Violate any applicable local, state, national, or international law
- Harass, abuse, or harm other users (if community features are added)

## 5. Subscription Services and Payments

### 5.1 Premium Features
- We may offer premium features through subscription or one-time payments
- Premium features may include enhanced training modes, statistics, or ad-free experience
- Access to premium features is subject to payment and account status

### 5.2 Payment Terms
- All fees are charged in advance and are non-refundable unless otherwise stated
- We use secure third-party payment processors
- Prices are subject to change with 30 days' notice to active subscribers
- Failed payments may result in suspension of premium features

### 5.3 Cancellation and Refunds
- You may cancel your subscription at any time through your account settings
- Cancellation takes effect at the end of your current billing period
- No refunds will be provided for partial months or unused premium features
- We reserve the right to offer refunds at our discretion

## 6. Intellectual Property Rights

### 6.1 Our Content and Service
- The Service and its original content, features, and functionality are owned by Chess Board Notation Trainer
- The Service is protected by copyright, trademark, and other intellectual property laws
- You may not reproduce, distribute, modify, or create derivative works without our permission

### 6.2 User Content
- You retain ownership of any content you submit to the Service
- By using the Service, you grant us a license to use, store, and process your content as necessary to provide the Service
- You represent that you have all necessary rights to any content you submit

## 7. Privacy and Data Protection

- Your privacy is important to us
- Our data collection and use practices are described in our Privacy Policy
- By using the Service, you consent to our Privacy Policy
- We implement appropriate security measures to protect your personal information

## 8. Service Availability and Modifications

### 8.1 Service Availability
- We strive to maintain high availability but do not guarantee uninterrupted access
- The Service may be temporarily unavailable due to maintenance, updates, or technical issues
- We are not liable for any inconvenience or loss due to service interruptions

### 8.2 Service Modifications
- We reserve the right to modify, suspend, or discontinue the Service at any time
- We may add, remove, or modify features with or without notice
- Significant changes will be communicated to users when possible

## 9. Disclaimers and Limitations

### 9.1 "As Is" Service
- The Service is provided "as is" without warranties of any kind, either express or implied
- We do not guarantee that the Service will meet your specific requirements
- We do not warrant that the Service will be uninterrupted, secure, or error-free

### 9.2 Educational Purpose
- The Service is designed for educational purposes only
- We do not guarantee improvement in chess skills or performance
- Individual learning results may vary
- The Service should not be used as the sole method for learning chess

### 9.3 Third-Party Content
- The Service may include links to third-party websites or services
- We are not responsible for the content, privacy policies, or practices of third parties
- Your interactions with third parties are solely between you and such parties

## 10. Limitation of Liability

### 10.1 Liability Limits
- Our total liability to you for any damages shall not exceed the amount you paid for the Service in the 12 months preceding the claim
- We are not liable for indirect, incidental, consequential, or punitive damages
- This limitation applies regardless of the legal theory upon which the claim is based

### 10.2 Excluded Damages
We shall not be liable for:
- Loss of profits, revenue, or business opportunities
- Loss of data or corrupted files
- Personal injury or property damage (except where prohibited by law)
- Damages arising from your violation of these Terms

## 11. Indemnification

You agree to indemnify, defend, and hold harmless Chess Board Notation Trainer and its employees, contractors, and agents from any claims, damages, losses, or expenses (including legal fees) arising from:
- Your use of the Service
- Your violation of these Terms
- Your violation of any rights of another party
- Any content you submit to the Service

## 12. Termination

### 12.1 Termination by You
- You may terminate your account at any time by contacting us or using account settings
- Termination does not relieve you of payment obligations incurred before termination
- Upon termination, your right to use the Service ceases immediately

### 12.2 Termination by Us
We may terminate or suspend your account immediately if you:
- Violate these Terms of Service
- Engage in fraudulent or illegal activities
- Abuse or harass other users or our staff
- Fail to pay required fees

### 12.3 Effect of Termination
- Upon termination, you lose access to your account and any premium features
- We may retain certain information as required by law or for legitimate business purposes
- Provisions that should survive termination will remain in effect

## 13. Dispute Resolution

### 13.1 Governing Law
These Terms are governed by the laws of [Your Jurisdiction], without regard to conflict of law principles.

### 13.2 Dispute Resolution Process
- We encourage you to contact us first to resolve any disputes informally
- If informal resolution fails, disputes will be resolved through binding arbitration
- You waive the right to participate in class action lawsuits against us

### 13.3 Jurisdiction
Any legal action related to these Terms must be brought in the courts of [Your Jurisdiction].

## 14. General Provisions

### 14.1 Entire Agreement
These Terms constitute the entire agreement between you and us regarding the Service.

### 14.2 Severability
If any provision of these Terms is found to be unenforceable, the remaining provisions will remain in full force and effect.

### 14.3 Assignment
We may assign these Terms or any rights hereunder without your consent. You may not assign these Terms without our written consent.

### 14.4 Waiver
Our failure to enforce any provision of these Terms does not constitute a waiver of that provision.

### 14.5 Force Majeure
We are not liable for any failure to perform due to circumstances beyond our reasonable control.

## 15. Changes to Terms

### 15.1 Modification Rights
We reserve the right to modify these Terms at any time. Material changes will be effective 30 days after posting.

### 15.2 Notification
- We will notify users of significant changes via email or prominent notice on the Service
- Continued use of the Service after changes constitutes acceptance of new Terms
- If you disagree with changes, you may terminate your account

## 16. Contact Information

If you have questions about these Terms of Service, please contact us:
- **Email**: [pavalk6ua@gmail.com]
- **Subject Line**: "Terms of Service Inquiry"
- **Website**: http://chessnotation.org

## 17. Effective Date

These Terms of Service are effective as of September 29, 2025, and apply to all users of Chess Board Notation Trainer.

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**By using Chess Board Notation Trainer, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.**