Advanced Chess Position Analysis
Analyze any chess position with our powerful analysis engine. Drag pieces, or enter FEN notation to get instant analysis and best moves.
Chess Position Analyzer
Analysis Results
Click "Analyze" or "Calculate Next Move" to see results here
Set up your position on the Lichess Board Editor and copy the FEN into the field above.
Advanced Features
Interactive Board
Drag and drop pieces on an interactive chess board to set up any position quickly.
FEN Support
Input FEN notation directly for precise position analysis and move calculation.
Frequently Asked Questions
How does the subscription work?
We use PayPal Subscriptions for a single yearly plan ($20 USD). After approval, we set a secure cookie to unlock unlimited usage.
Will I be billed twice if I click “Agree & Subscribe” again?
No. If your PayPal account already has an active subscription, our server automatically detects it, cancels any new attempt, and restores your access. You won’t be charged again while your current plan is active.
Tip: In incognito or after clearing cookies, you may need to approve with PayPal again so we can restore access on this device.
Do I need an account?
No separate account. We identify your subscription with a secure cookie after PayPal approval.
PayPal popup closes or shows a setup error
Ensure you’re using a PayPal account for the correct environment (Sandbox locally), third‑party cookies are enabled, and try PayPal balance if a test card fails to create a subscription.
Choose Your Plan
Free
- 10 analyses per day
- Basic position evaluation
- Legal moves display
- Advanced engine analysis
Yearly
- Unlimited analyses
- Advanced position evaluation
- Best move suggestions
- Priority support
Contact Us
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