{"type": "article", "title": "Queens Die: Analysing a 6M Puzzle Database", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/queens-die-analysing-a-6m-puzzle-database", "original_source": "https://lichess.org/@/heroku/blog/how-queens-die-analysing-a-6-million-puzzle-database/jgN7WEdl", "published": "2026-06-27T12:58:10+00:00", "accessed": "2026-06-27", "id": "queens-die-analysing-a-6m-puzzle-database"}