# PolyMind Chess > Cached snapshot — next refresh expected around 2026-10-09T12:50:55.889Z. Public AI-agent Markdown profile for [PolyMind Chess](https://trustmrr.com/startup/polymind-chess) on TrustMRR. > Data identified in the Verification Sources section below is verified through connected external providers and APIs. All other details—including founder-provided descriptions, seller messages, and profile text—are user-generated content. ## Profile - Name: PolyMind Chess - Slug: `polymind-chess` - TrustMRR page: [https://trustmrr.com/startup/polymind-chess](https://trustmrr.com/startup/polymind-chess) - Markdown page: [https://trustmrr.com/startup/polymind-chess.md](https://trustmrr.com/startup/polymind-chess.md) - Website: [https://polymindchess.com/](https://polymindchess.com/) - Icon: [https://files.stripe.com/links/MDB8YWNjdF8xVUtlVzdBWGo3ZXRyZTIzfGZsX2xpdmVfa3B3QkROb2Y4dHhtaWlqRWxGaVZSVE1q00DM20yDxu](https://files.stripe.com/links/MDB8YWNjdF8xVUtlVzdBWGo3ZXRyZTIzfGZsX2xpdmVfa3B3QkROb2Y4dHhtaWlqRWxGaVZSVE1q00DM20yDxu) - Description: 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. - Country: CH - Founded date: 2026-09-28 - Founder: [Cyril Dieumegard 🇨🇭](https://trustmrr.com/founder/cdieumegardx) - Founder image: [https://pbs.twimg.com/profile_images/2000119167211450372/-OXHUneJ.jpg](https://pbs.twimg.com/profile_images/2000119167211450372/-OXHUneJ.jpg) - X followers: 412 ## Verification Sources All revenue-related metrics on this page—including revenue, MRR, customers, subscriptions, and churn—are calculated from the startup's real payment records, retrieved directly from the payment provider through an API key (or an equivalent owner-authorized API credential, such as OAuth). They are not screenshots, manual entries, or self-reported revenue claims. Where a secondary source is marked connected below, traffic, visitor, search impression, and click metrics are retrieved directly through the APIs of Google Analytics, DataFast, or Google Search Console. - Verified payment provider API source: Stripe (API key) - Merchant of record: No - Revenue last synced: 2026-10-08T12:28:30.211Z - Google Analytics API connected: No - DataFast API key connected: No - Google Search Console API connected: No ## Revenue Revenue values are public verified revenue summaries. Current and last-30-day metric snapshots may be included separately when they are already stored on the startup profile. | Period | Verified revenue | | --- | ---: | | Last 24 hours | $0.00 | | Last 7 days | $4.99 | | Last 30 days | $4.99 | | Last 3 months | $4.99 | | Last 6 months | $4.99 | | Last 12 months | $4.99 | | All time | $4.99 | - Last 30 days revenue snapshot: $4.99 - Last 30 days revenue growth: 0.0% - All-time revenue snapshot: $4.99 - Revenue data last synced: 2026-10-08T12:28:30.211Z ### Daily revenue — last 30 days Daily totals use UTC calendar dates. Today's value may be partial. | Date | Verified revenue | | --- | ---: | | 2026-09-09 | $0.00 | | 2026-09-10 | $0.00 | | 2026-09-11 | $0.00 | | 2026-09-12 | $0.00 | | 2026-09-13 | $0.00 | | 2026-09-14 | $0.00 | | 2026-09-15 | $0.00 | | 2026-09-16 | $0.00 | | 2026-09-17 | $0.00 | | 2026-09-18 | $0.00 | | 2026-09-19 | $0.00 | | 2026-09-20 | $0.00 | | 2026-09-21 | $0.00 | | 2026-09-22 | $0.00 | | 2026-09-23 | $0.00 | | 2026-09-24 | $0.00 | | 2026-09-25 | $0.00 | | 2026-09-26 | $0.00 | | 2026-09-27 | $0.00 | | 2026-09-28 | $0.00 | | 2026-09-29 | $0.00 | | 2026-09-30 | $0.00 | | 2026-10-01 | $4.99 | | 2026-10-02 | $0.00 | | 2026-10-03 | $0.00 | | 2026-10-04 | $0.00 | | 2026-10-05 | $0.00 | | 2026-10-06 | $0.00 | | 2026-10-07 | $0.00 | | 2026-10-08 | $0.00 | ### Monthly revenue timeline | Month | Verified revenue | | --- | ---: | | 2026-10 | $4.99 | ## Metric Snapshots These are current or last-30-day snapshots stored on the startup profile. Full timelines and deeper history require a TrustMRR account. - Current MRR: $4.99 - Current active subscriptions: 1 ## Metrics Available After Login Full MRR, churn, traffic/visitor, Google Search Console, Meta Ads spend, profit margin, and revenue-per-visitor timelines are not exposed in this public Markdown file. Current or last-30-day snapshots may be shown above when stored on the startup profile. Create a free TrustMRR account to access metrics available to authenticated users: [TrustMRR dashboard](https://trustmrr.com/dashboard) Full startup page: [https://trustmrr.com/startup/polymind-chess](https://trustmrr.com/startup/polymind-chess) ## 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. - Pricing model: Free: 1 guest game + 10 after sign-in; unlimited analysis. Premium: US$4.99/month, unlimited games. No card to try. Cancel anytime. - Target persona: Chess learners seeking guided practice in English or French. - Audience type: [B2C](https://trustmrr.com/search?targetAudience=B2C) - Estimated user count: 0 - 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. - Markets: [Games](https://trustmrr.com/category/games), [Education](https://trustmrr.com/category/education), [AI](https://trustmrr.com/category/ai) ## Tech Stack - Frontend: [React](https://trustmrr.com/tech/react), [TypeScript](https://trustmrr.com/tech/typescript) - Backend: [Cloudflare](https://trustmrr.com/tech/cloudflare), [Stripe](https://trustmrr.com/tech/stripe) ## SEO Domain Data - Domain: polymindchess.com - Domain rating: 0.0 - Last synced: 2026-10-08T12:29:34.426Z ## Screenshots ![Landing page (1920x7188)](https://d21oz30g4w22sz.cloudfront.net/startup-screenshots/polymind-chess/1791463506402-95c7df50-9b52-4731-afd1-c38383d4b748-landing-page.webp) ## Acquisition This startup is not currently listed for sale on TrustMRR. Browse active acquisition listings: [TrustMRR acquire marketplace](https://trustmrr.com/acquire) ## Discover More Startups These recommendations use the same public recommendation logic as the TrustMRR startup page. Each startup is returned as a consistently structured object for easier reading and parsing. Browse more: [TrustMRR advanced search](https://trustmrr.com/search) Note: Stealth Company is a placeholder label, not the actual company name. It means the underlying business and domain are not revealed publicly on TrustMRR. The founder may still be known to TrustMRR, and the revenue and other displayed metrics can still be verified; the public page simply avoids linking the real business identity or domain to this startup profile. ```json [ { "name": "Stealth Company", "slug": "private-enterprise-4", "category": "SaaS", "categoryUrl": "https://trustmrr.com/category/saas", "isForSale": false, "listingTier": "free", "listingTierName": "Free", "cardBackgroundColor": null, "cardBackgroundColorDark": null, "cachedUniquePageviews": 0, "cachedOfferCount": 0, "revenueLast30Days": "$7,167", "revenueGrowthLast30Days": "-0.6%", "askingPrice": null, "revenueMultiple": null, "description": null, "iconUrl": null, "startupUrl": "https://trustmrr.com/startup/private-enterprise-4" }, { "name": "MedPilot", "slug": "medpilot", "category": "Artificial Intelligence", "categoryUrl": "https://trustmrr.com/category/ai", "isForSale": false, "listingTier": "free", "listingTierName": "Free", "cardBackgroundColor": null, "cardBackgroundColorDark": null, "cachedUniquePageviews": 0, "cachedOfferCount": 0, "revenueLast30Days": "$48,038", "revenueGrowthLast30Days": "+46.6%", "askingPrice": null, "revenueMultiple": null, "description": "AI that books patients and grows your medical practice.", "iconUrl": "https://d21oz30g4w22sz.cloudfront.net/logos/the-coaching-marketing-kit-a2f5ca7b-8488-4af0-8718-d11248beca50.png", "startupUrl": "https://trustmrr.com/startup/medpilot" }, { "name": "GetXAPI - Cheapest Twitter API", "slug": "getxapi-cheapest-twitter-api", "category": "Developer Tools", "categoryUrl": "https://trustmrr.com/category/developer-tools", "isForSale": false, "listingTier": "free", "listingTierName": "Free", "cardBackgroundColor": null, "cardBackgroundColorDark": null, "cachedUniquePageviews": 0, "cachedOfferCount": 0, "revenueLast30Days": "$4,265", "revenueGrowthLast30Days": "0.0%", "askingPrice": null, "revenueMultiple": null, "description": "GetXAPI is the cheapest Twitter API and X API. $0.001 per call returns ~20 tweets ($0.05 per 1,000). Fetch tweets, profiles, followers. No dev account.", "iconUrl": "https://img-v2-prod.whop.com/VJvyOC1pZ7Ar5oes0YR1eC4Xusjb_tYHKp25oHmg3cY/mb:180000/plain/https://assets-2-prod.whop.com/public/uploads/user_29804620/image/bots/2026-06-26/8466b825-2ac0-4bc4-8fdd-1f5ff62b6894.png", "startupUrl": "https://trustmrr.com/startup/getxapi-cheapest-twitter-api" }, { "name": "Karmable, Inc.", "slug": "karmable-inc", "category": "Artificial Intelligence", "categoryUrl": "https://trustmrr.com/category/ai", "isForSale": false, "listingTier": "free", "listingTierName": "Free", "cardBackgroundColor": null, "cardBackgroundColorDark": null, "cachedUniquePageviews": 0, "cachedOfferCount": 0, "revenueLast30Days": "$50,370", "revenueGrowthLast30Days": "+70.6%", "askingPrice": null, "revenueMultiple": null, "description": "We are a platform that helps brands show up on AI search. We also help them go to market and find early users through Reddit.", "iconUrl": null, "startupUrl": "https://trustmrr.com/startup/karmable-inc" }, { "name": "Stealth Company", "slug": "mila-inc", "category": "Artificial Intelligence", "categoryUrl": "https://trustmrr.com/category/ai", "isForSale": false, "listingTier": "free", "listingTierName": "Free", "cardBackgroundColor": null, "cardBackgroundColorDark": null, "cachedUniquePageviews": 0, "cachedOfferCount": 0, "revenueLast30Days": "$4,143", "revenueGrowthLast30Days": "+15.5%", "askingPrice": null, "revenueMultiple": null, "description": null, "iconUrl": null, "startupUrl": "https://trustmrr.com/startup/mila-inc" }, { "name": "ExtraDock", "slug": "extradock", "category": "Productivity", "categoryUrl": "https://trustmrr.com/category/productivity", "isForSale": false, "listingTier": "free", "listingTierName": "Free", "cardBackgroundColor": null, "cardBackgroundColorDark": null, "cachedUniquePageviews": 0, "cachedOfferCount": 0, "revenueLast30Days": "$3,470", "revenueGrowthLast30Days": "-53.9%", "askingPrice": null, "revenueMultiple": null, "description": "ExtraDock is the ultimate macOS dock app for any user. Create unlimited custom floating docks and place them anywhere on any screen — perfect for multi-monitor setups. Organize a", "iconUrl": "https://files.stripe.com/links/MDB8YWNjdF8xU1F4NFg1VENxMTJGT0lOfGZsX2xpdmVfdmx5QmlSeHI5OUQ3Q0pEMUdvMTR5Szg500yfJRndGM", "startupUrl": "https://trustmrr.com/startup/extradock" } ] ``` ## Related TrustMRR Pages - [Acquire startups](https://trustmrr.com/acquire) - [Startup categories](https://trustmrr.com/category) - [Technology stack pages](https://trustmrr.com/tech) - [Marketing channel pages](https://trustmrr.com/channels) - [Public AI endpoint](https://trustmrr.com/api/ai) - [llms.txt](https://trustmrr.com/llms.txt)