{"product_id":"build-your-own-chess-blunder-clinic","title":"Build Your Own Chess Blunder Clinic | Guided Starter Kit + Course","description":"\u003cp\u003e\u003cstrong\u003eBy the end of this you'll have your own chess trainer, built from your own games.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt finds the blunders, missed chances and missed mates in your chess.com or lichess games.\u003c\/p\u003e\n\u003cp\u003eThen it turns them into drills you play on your laptop or phone.\u003c\/p\u003e\n\u003cp\u003eYou don't build it alone. You open the starter kit in Claude Code, type \u003cstrong\u003estart\u003c\/strong\u003e, and Claude walks you through it one step at a time.\u003c\/p\u003e\n\u003cp\u003eIt checks each step worked and remembers where you got to, so you can stop and carry on later. No programming knowledge needed.\u003c\/p\u003e\n\u003ch3\u003eWhat you need before you buy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA paid Claude plan that includes Claude Code\u003c\/strong\u003e (Pro or above). It isn't included in this price. Your Claude usage is shared with everything else you use Claude for, and plans have usage limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA laptop.\u003c\/strong\u003e A Mac (macOS 13 or newer) or a Windows 10 or 11 PC. You build it on the laptop. A phone is optional, for using it afterwards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA chess.com or lichess account\u003c\/strong\u003e with at least 30 games in one time control. Rapid works best.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbout 2 hours the first time.\u003c\/strong\u003e Most of that is waiting while Stockfish checks your games, and an older laptop can take twice as long. After that, about 20 minutes a week.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePython and Stockfish.\u003c\/strong\u003e Both are free, and Claude installs them with you. Claude Code asks before it runs anything on your laptop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe starter kit.\u003c\/strong\u003e One zip with everything already written, plus a finished demo trainer with made-up games, so you can see it working before you add yours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClaude as your guide.\u003c\/strong\u003e Type \u003cstrong\u003estart\u003c\/strong\u003e to build it, \u003cstrong\u003ererun\u003c\/strong\u003e each week, and \u003cstrong\u003ehelp\u003c\/strong\u003e if you get stuck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAn interactive course.\u003c\/strong\u003e Click through every step with a copy button, a tick box and screenshots, and it remembers your progress. It opens from the kit with a double-click.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA PDF guide\u003c\/strong\u003e to keep as a reference. The last part explains how every piece works, for people who code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe trainer you build.\u003c\/strong\u003e It runs on your own laptop, and it's yours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat your finished trainer does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrills from your own games, with the board turned so you play your own colour.\u003c\/li\u003e\n\u003cli\u003eStockfish runs inside the page. Play a wrong move and it shows their best reply.\u003c\/li\u003e\n\u003cli\u003eA personal Focus list. Your biggest leak goes to the top, ranked by how much win chance each kind of mistake cost you.\u003c\/li\u003e\n\u003cli\u003e12 habit numbers, tracked over time.\u003c\/li\u003e\n\u003cli\u003eMissed drills come back after 10 minutes, then after 1, 3, 7 and 14 days.\u003c\/li\u003e\n\u003cli\u003eA replay of every checked game, with a win chance graph.\u003c\/li\u003e\n\u003cli\u003eOpening gyms for the early attacks that cost games at club level.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEvery week\u003c\/h3\u003e\n\u003cp\u003ePlay about 10 new games, then type \u003cstrong\u003ererun\u003c\/strong\u003e. Claude checks only your new games, adds new drills and updates your numbers.\u003c\/p\u003e\n\u003cp\u003eYour Focus list then re-orders itself from your newest mistakes, so you always work on what is costing you most right now.\u003c\/p\u003e\n\u003ch3\u003eOn your phone (optional)\u003c\/h3\u003e\n\u003cp\u003eClaude can help you put your trainer online with a free host such as Vercel or Netlify, then install it on your phone like an app.\u003c\/p\u003e\n\u003cp\u003ePutting it online uploads your game data, including your opponents' usernames. On Vercel you can keep it private, so only people you give access can open it. A Netlify Drop link is public.\u003c\/p\u003e\n\u003ch3\u003eWhat isn't included\u003c\/h3\u003e\n\u003cp\u003eA Claude subscription, a hosted account, coaching, or a promise that your rating goes up. You build and run the trainer yourself, with Claude's help.\u003c\/p\u003e\n\u003cp\u003eEvery screenshot comes from the demo, a made-up player with made-up games.\u003c\/p\u003e\n\u003cp\u003eThis is an independent product. It isn't affiliated with or endorsed by Anthropic, chess.com, lichess, Stockfish, Vercel or Netlify.\u003c\/p\u003e\n\u003cp\u003eI built the first version for my own games, because I kept losing to the same few mistakes and random puzzles weren't fixing them. This kit lets you build yours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e£9.99. Instant download. The starter kit (zip) and the PDF guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefunds.\u003c\/strong\u003e This is a digital download, so when you buy you ask for it straight away, and you lose your 14-day right to cancel once it is available. If a file is faulty or won't open, email \u003ca href=\"mailto:info@shlc-tutor.co.uk\"\u003einfo@shlc-tutor.co.uk\u003c\/a\u003e and we'll fix it or refund you.\u003c\/p\u003e\n","brand":"SHLC Tutor","offers":[{"title":"Default Title","offer_id":54059991925002,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/7091\/9434\/files\/1-chess-kit-hero_8680bd17-b127-4377-96ca-b31aa38c87f4.png?v=1793906438","url":"https:\/\/shlc-tutor.co.uk\/products\/build-your-own-chess-blunder-clinic","provider":"SHLC Tutors","version":"1.0","type":"link"}