Terms of Service

Terms and conditions for using Sachess — free service, user conduct, and liability.

These Terms of Service govern your use of Sachess. By accessing or using Sachess, you agree to these terms. Since Sachess is a free platform with no user accounts, these terms are intentionally simple.

Author: Sachess Editorial Team · Updated: 2026-06-25 · 0 Sources

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Highlights

  • Sachess is provided free of charge, as-is, with no warranties.
  • Users must not abuse multiplayer rooms or engage in harassment.
  • The Pikafish engine is open-source software (GPLv3). Sachess's own code and content are copyrighted.

Steps

01

Sachess is a free service — you do not pay to use any feature on this platform.

02

You are responsible for your conduct in multiplayer rooms and shared FEN links.

03

Sachess provides the platform "as is" without any guarantees of availability or accuracy.

04

If you believe your rights have been violated, contact us for resolution.

Details

Free Service Disclaimer

Sachess is provided free of charge. All features — AI analysis, cloud book lookup, FEN tools, multiplayer rooms, and photo-to-FEN — are available at no cost. We do not offer paid tiers, subscriptions, or premium features.

Because Sachess is free, it is provided "as is" without warranties of any kind, express or implied. We do not guarantee uninterrupted access, error-free analysis, or the accuracy of engine evaluations.

  • All features are free — no hidden costs.
  • No warranty of availability or accuracy.
  • Service may be interrupted for maintenance.

User Conduct

When using multiplayer rooms, you agree not to engage in harassment, hate speech, cheating, or any behavior that disrupts other users' experience. Room codes and FEN links you share are your responsibility.

Sachess reserves the right to block access to users who violate these conduct rules, though we do not actively monitor multiplayer rooms.

  • No harassment or hate speech in multiplayer rooms.
  • No cheating or automated play against human opponents.
  • You are responsible for content you share via FEN links.

FAQ

Is Sachess really free?

Yes. Every feature is free. There are no premium tiers, subscriptions, or paid features.

What happens if the site is down?

Sachess is provided without uptime guarantees. We work to keep it available but do not compensate for downtime.

Can I use Sachess for commercial purposes?

The Pikafish engine is GPLv3 licensed. You may use it under those terms. Sachess's own interface and content are copyrighted — contact us for permission.

What if someone cheats in a multiplayer room?

Sachess does not actively monitor rooms. If you encounter abusive behavior, you may leave the room at any time.

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