Chess Defence
Last updated: July 6, 2026

End User License Agreement (EULA) — Chess Defence

Effective Date: 2026-07-06

This End User License Agreement ("Agreement" or "EULA") is a legal agreement between you ("you" or "User") and Erdi Acar ("Developer", "we", "us", or "our"), operator of Chess Defence mobile game ("App" or "Chess Defence"), located at Akat Mahallesi Budin Sokak Bozbey Apt. No:1 Daire:7. By downloading, installing, accessing, or using the App you accept and agree to be bound by this Agreement. If you do not agree, do not download, install, access, or use the App.

1. License Grant; No Sale

1.1 License. Subject to your compliance with this Agreement and any applicable store terms, Developer grants you a limited, revocable, non-exclusive, non-transferable, non-sublicensable license to install and use one copy of the App on a compatible mobile device that you own or control, solely for your personal, non-commercial entertainment purposes.

1.2 No Sale. The App and any content, features or services accessible through it are licensed, not sold. All rights not expressly granted are reserved by Developer.

2. Restrictions

You shall not, and shall not permit others to: 2.1 copy, reproduce, distribute, sell, rent, lease, sublicense, or transfer the App or any portion thereof except as expressly provided herein; 2.2 modify, adapt, translate, decompile, reverse engineer, disassemble, or create derivative works of the App (except to the extent such restrictions are prohibited by applicable law); 2.3 circumvent, disable, or otherwise interfere with any security or anti-cheat technologies or digital rights management in the App; 2.4 remove, alter, or obscure any copyright, trademark or other proprietary notices in the App; 2.5 use the App to violate any law, third-party right or to engage in cheating, hacking, or automated play; 2.6 use the App for commercial exploitation except as expressly authorized in writing by Developer; or 2.7 attempt to access Developer’s servers, APIs or administrative interfaces except through the App’s official, documented channels.

3. Intellectual Property

3.1 Ownership. The App, including without limitation its codebase, game assets, artwork, audio, UI, documentation, names, logos, trade dress and the compiled binaries, and all intellectual property rights therein, are and will remain the exclusive property of Developer or Developer’s licensors. No title or ownership in the App is transferred to you.

3.2 Trademarks. "Chess Defence" and other marks are trademarks or service marks of Developer. You shall not use Developer’s trademarks without prior written permission.

4. User Content

4.1 User Content Defined. "User Content" means any content you submit, post or provide via the App (for example a player name, avatar, chat message or other text, images or recordings).

4.2 License to Developer. By submitting User Content you grant Developer a perpetual, irrevocable, worldwide, royalty-free, sublicensable, transferable license to use, reproduce, modify, distribute, publish, display and otherwise exploit such User Content for any purpose related to the App (including marketing and analytics), subject to Developer’s Privacy Policy.

4.3 Responsibility. You are solely responsible for the User Content you provide. You represent and warrant that you own or have the rights to use all User Content you submit and that such User Content does not infringe third-party rights or violate laws.

4.4 No Chat / UGC Guarantee. The App is not directed at children under 13 and does not offer moderated social features as a required core. If the App includes optional social or sharing features, Developer does not guarantee monitoring of all content and reserves the right to remove or disable content or accounts that violate this Agreement.

5. Privacy

Your use of the App is subject to Developer's Privacy Policy, which explains what data is collected, how it is used, and your choices. The App uses third-party services (for example Firebase Analytics, AdMob, RevenueCat, Supabase) that may collect data. By using the App you consent to such data collection as described in the Privacy Policy.

6. Subscriptions, Purchases, Trials, and Refunds

6.1 In‑App Purchases. The App offers optional purchases, including consumables (gem packs, bundles, gold packs), and may offer non‑consumables and subscriptions. Purchases are processed by the applicable app store (Apple App Store, Google Play) or by a third‑party payment processor (e.g., RevenueCat) as disclosed in the App. You agree to the store’s purchase terms and payment processing policies.

6.2 Subscriptions and Auto-Renewal. If you purchase a subscription: (a) subscriptions auto‑renew for successive billing periods until cancelled; (b) billing occurs through your app store account; (c) you must cancel before the renewal date to avoid billing for the next period; (d) you can manage and cancel subscriptions through your account settings in the App Store or Google Play; and (e) Developer may offer different subscription tiers and billing intervals as disclosed in the App.

6.3 Free Trials. If Developer offers a free trial, you will be notified of the trial’s duration and the subscription terms. Unless you cancel before the trial ends, your trial will automatically convert into a paid subscription and you will be billed in accordance with the subscription price and billing cycle you selected. Unless otherwise required by law or the store, Developer does not provide refunds for charges incurred due to failure to cancel a trial.

6.4 Consumables, Restores and Restitution. Consumable purchases (such as gem packs) are generally not restorable; non-consumable purchases and active subscriptions are restorable via the App Store or Google Play restore/purchase functions. Developer may, at its discretion, grant refunds or credits in accordance with Developer’s refund policy and local law.

6.5 Refund Policy. Developer’s general refund policy: Developer will consider refund requests and may, in its sole discretion and subject to store policies, provide refunds for purchases within 14 days of purchase if permitted by applicable store rules and Developer’s internal review. For purchases processed by the Apple App Store or Google Play, refunds are subject to the store’s refund procedures; to request a refund you may be required to contact Apple/Google through their refund process. Developer may require proof of purchase and reserves the right to refuse refunds in cases of abuse or fraud.

6.6 Taxes. Prices do not include taxes. Any applicable taxes will be charged or collected by the store or Developer as required by law.

7. Updates, Maintenance and Live Content

7.1 Updates. Developer may provide updates, upgrades, patches, new releases or additional features to the App. Updates may be automatic or require your action. Developer is not required to provide any updates and may discontinue support or features at any time.

7.2 Live Content & Server-Authored Content. Some content (levels, events, quests, rewards and other live-ops content) may be server-authored and delivered remotely. Developer may change, add or remove such content at any time. You acknowledge that certain features may require network access and that the availability or nature of content may vary.

7.3 Force Updates. Developer may enforce a minimum app version via remote policy. If your app is below the minimum version you may be required to update in order to continue using network-dependent features.

8. Termination and Suspension

8.1 Termination by Developer. Developer may, in its sole discretion, suspend or terminate your access to the App, or terminate this Agreement, at any time and for any reason, including breach of this Agreement or suspected fraud, cheating or abuse.

8.2 Effect of Termination. Upon termination, all licenses granted to you terminate and you must cease using the App and delete all copies. Sections that by their nature survive termination (including Intellectual Property, Disclaimers, Limitation of Liability, Indemnification, Governing Law and miscellaneous provisions) shall survive.

8.3 Account Suspension/Removal. Developer may remove or disable user accounts and content that violate this Agreement or applicable laws.

9. Representations, Warranties & Disclaimers

9.1 Your Representations. You represent and warrant that (a) you are at least the age of majority in your jurisdiction and at least 13 years old; (b) you have the legal capacity to enter into this Agreement; and (c) your use of the App will comply with applicable law.

9.2 Not for Children. The App is not directed at children under 13. If you are under 13, do not use the App. If you are a parent and believe Developer has collected personal information in violation of applicable children's privacy laws (e.g., COPPA) please contact Developer using the contact information below.

9.3 AS IS. THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND. DEVELOPER DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, IMPLIED, STATUTORY OR ARISING BY COURSE OF DEALING OR TRADE USAGE, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, QUIET ENJOYMENT, OR NON-INFRINGEMENT. DEVELOPER DOES NOT WARRANT THAT THE APP WILL MEET YOUR REQUIREMENTS, BE UNINTERRUPTED, TIMELY, SECURE OR ERROR-FREE, OR THAT ANY DEFECTS WILL BE CORRECTED.

9.4 THIRD-PARTY SERVICES. The App may integrate or interoperate with third-party services (for example analytics, ad networks, payment processors, cloud services). DEVELOPER DOES NOT WARRANT THE AVAILABILITY, SECURITY OR PRIVACY PRACTICES OF THIRD-PARTY SERVICES. Your use of such services is subject to the third parties’ terms and policies.

10. Limitation of Liability

10.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL DEVELOPER BE LIABLE FOR INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, INCLUDING LOSS OF PROFITS, DATA, GOODWILL, OR OTHER INTANGIBLE LOSSES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

10.2 DEVELOPER’S TOTAL AGGREGATE LIABILITY FOR ANY CLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE APP SHALL NOT EXCEED THE GREATER OF (A) THE AMOUNT YOU PAID DIRECTLY TO DEVELOPER FOR THE APP OR SERVICES IN THE TWELVE (12) MONTHS PRECEDING THE EVENT GIVING RISE TO THE CLAIM; OR (B) FIFTY UNITED STATES DOLLARS (US $50). WHERE APPLICABLE LAW PROHIBITS THIS LIMITATION, DEVELOPER’S LIABILITY SHALL BE LIMITED TO THE MAXIMUM EXTENT PERMITTED.

11. Indemnification

You agree to indemnify, defend and hold Developer and its officers, employees, agents and licensors harmless from and against any third‑party claims, liabilities, losses, damages and expenses (including reasonable attorneys’ fees) arising from or relating to (a) your breach of this Agreement; (b) your User Content; (c) your violation of applicable law; or (d) your use of the App in an unauthorized or prohibited manner.

12. Governing Law and Dispute Resolution

12.1 Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the Republic of Türkiye, without regard to conflict‑of‑law provisions.

12.2 Jurisdiction. Subject to the rights of Apple or Google described below, the courts located in Istanbul, Türkiye shall have exclusive jurisdiction to resolve any dispute arising under or relating to this Agreement, and each party hereby submits to the jurisdiction of such courts. To the extent required by applicable mandatory law, you may have additional rights.

12.3 Alternative Dispute Process. Developer may, at its discretion, choose to resolve disputes by individual arbitration or small claims court where permitted by applicable law; nothing in this Agreement shall require arbitration where it is prohibited by applicable store policies.

13. Apple App Store and Google Play Specific Terms

13.1 App Store & Google Play Agreement. If you obtained the App from the Apple App Store or Google Play, you acknowledge that this Agreement is between you and Developer only, and not with Apple Inc., Google LLC, or their affiliates (collectively, the "Platform Providers"). The Platform Providers are not responsible for the App, its content, maintenance, or support. To the maximum extent permitted by applicable law, the Platform Providers have no warranty, product-liability, or intellectual-property infringement obligations with respect to the App. Your use of the App must also comply with the applicable Platform Provider’s terms of service and usage rules.

13.2 Support. Developer, not the Platform Providers, is solely responsible for providing any maintenance and support for the App. If the App fails to conform to any applicable warranty, you may notify Apple or Google as required by their store policies; any refund, if available, will be handled by the applicable Platform Provider under its rules. To the maximum extent permitted by law, the Platform Providers have no other warranty obligation with respect to the App.

13.3 Third-Party Beneficiary. You and Developer acknowledge that Apple and Apple’s subsidiaries are third-party beneficiaries of this Agreement as it relates to your license of the App through the App Store, and that upon your acceptance of this Agreement, Apple will have the right (and will be deemed to have accepted the right) to enforce this Agreement against you as a third-party beneficiary. Analogous third-party beneficiary rights apply to Google to the extent required by Google Play policies.

13.4 Claims. Developer, not the Platform Providers, is responsible for addressing any claims by you or any third party relating to the App or your possession and/or use of the App, including product-liability claims, consumer-protection claims, and claims arising under privacy or intellectual-property law, subject to the limitations in this Agreement and mandatory law.

14. Contact

Questions about this Agreement may be sent to Erdi Acar at erdiacar@gmail.com, Akat Mahallesi Budin Sokak Bozbey Apt. No:1 Daire:7.

15. Miscellaneous

15.1 Severability. If any provision of this Agreement is held unenforceable, that provision will be enforced to the maximum extent permitted and the remaining provisions will remain in effect.

15.2 Entire Agreement. This Agreement, together with the Privacy Policy and any store terms that apply to your purchase or download, constitutes the entire agreement between you and Developer regarding the App and supersedes prior conflicting communications on the same subject.

15.3 Changes. Developer may update this Agreement by posting a revised version in the App or on Developer’s website. Continued use of the App after the effective date of a revision constitutes acceptance of the revised Agreement, except where mandatory law requires additional notice or consent.

15.4 No Waiver. Failure by Developer to enforce any provision is not a waiver of that provision or of any other right.