{"version":"1.0","type":"card","id":"0d8f960c-6116-4928-a317-1ad2924c865e","url":"https://stacklist.com/card/0d8f960c-6116-4928-a317-1ad2924c865e","title":"The Ultimate Chess Puzzle Book by John Emms - PDF Drive","source_url":"https://www.pdfdrive.com/the-ultimate-chess-puzzle-book-e183643034.html","note":"Prepare for a chess adventure! This book presents a treasury of puzzle positions to challenge and refine your tactical skills. From games old and new, John Emms has curated a collection of original and challenging puzzle positions that will put even the most seasoned solvers to the test.","image":{"url":"https://ucarecdn.com/bca166af-efd8-481e-b26d-45810a9ecb03/","alt":"The Ultimate Chess Puzzle Book by John Emms - PDF Drive","width":1200,"height":630},"stack":{"id":"db04c982-0d8f-4e59-8c84-295c0b5215d3","title":"PDF Drive","url":"https://stacklist.com/c/books/stack/db04c982-0d8f-4e59-8c84-295c0b5215d3"},"created_at":"2025-04-18T11:38:25.279Z","updated_at":null,"aco":{"summary":"no content \n","tags":[],"key_entities":[],"classification":null,"language":null,"confidence":null,"provenance":null,"token_counts":{"approximate":14},"content_hash":null,"acp_version":"0.2","body_available":false,"body_tokens":0,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/0d8f960c-6116-4928-a317-1ad2924c865e.json","html":"https://stacklist.com/card/0d8f960c-6116-4928-a317-1ad2924c865e","md":"/api/public/card/0d8f960c-6116-4928-a317-1ad2924c865e.md","stack_json":"/api/public/stack/db04c982-0d8f-4e59-8c84-295c0b5215d3.json"}}