PolyMind Chess

PolyMind Chess

Learn chess by talking through your moves. PolyMind Chess pairs a playable board with Léon, a conversational coach who explains mistakes, answers spoken and written questions, and turns recurring weaknesses into targeted practice. Play against Stockfish or explore AI opponents with different styles, directly in your browser. Available in English and French. Start free; Premium unlocks unlimited games for $4.99/month.

Visit
All-time revenue
$5

Ranked #8053 on TrustMRR

MRR
$5

1 active subscriptions

Founder
cdieumegardxCyril Dieumegard

412 followers on 𝕏

Founded
September 2026
CHSwitzerland

Revenue is verified withStripeStripe API key.Last updated: Oct 8, 2026, 12:28 PM

Startup insights
Value proposition

A chess coach you can talk to while you play. Léon explains the ideas behind each move, highlights threats on the board, and turns your mistakes into focused practice—so every game becomes a lesson.

Problem solved

Knowing that a move is a blunder does not explain how to improve. PolyMind Chess brings explanations, questions, visual hints and targeted exercises into the same playing experience, helping learners connect engine analysis with ideas they can use in their next game.

Audience

Chess learners seeking guided practice in English or French.

Pricing

Free: 1 guest game + 10 after sign-in; unlimited analysis. Premium: US$4.99/month, unlimited games. No card to try. Cancel anytime.

Domain Rating

0/100

polymindchess.com

Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.

Tech stack

Additional info

English and French. Stockfish and supported AI models run in your browser; game history stays on your device. JEV and related coaching connect to the cloud. Local models depend on device capabilities. Voice questions, visual hints and targeted exercises. Subscription payments via Stripe.

Tap to view

Product updates