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Featured in Domain Arrivals · 2026-08-07

Blunderproof — a chess coach for the mistakes you keep making

blunderproof.xyz ↗ · Learning & Exams · score 86.0
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

Blunderproof reads recent Chess.com or Lichess games, identifies recurring mistakes, and turns them into a focused daily training plan.

Why it surfaced

The coach does more than mark blunders: it names the pattern, rechecks suspect moves with Stockfish, and brings confirmed mistakes back as positions to solve. Its example diagnosis—leaving pieces undefended after an attack cools—gives the product an unusually concrete sense of purpose.

A File Musicians Can Argue With

August 7’s newborn domains include editable orchestral scores with up to 33 staves, 15 years of Valencia council interventions, a dementia-friendly frame with one optional button, and a memorial golf tournament whose winner wears the Meatball Jacket.

This is one of 1,000 discoveries in the 2026-08-07 Domain Arrivals issue.