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  "markdown": "Co-founder.\n\nJay Severson co-founded Chess.com with Erik Allebest in 2005. They met in their first year of college, where Jay was president of the chess club, per Chess.com's article on its CEO. His current role is not stated there.\n\n## What Jay builds\n\n- [Chess.com Published-Data API](https://www.anchorterminal.com/tools/chess-com.md), graded E, 40.8/100, in Hobbies, sport \u0026 recreation. Chess.com's Published-Data API is a keyless, read-only REST API returning JSON-LD for public player profiles, ratings, monthly game archives with PGN, clubs, tournaments, team matches, country lists, the daily puzzle, streamers and leaderboards. Co-founder, researched 2026-11-03.\n\n## Works with\n\n- [Danny Rensch](https://www.anchorterminal.com/people/danny-rensch/), Co-founder\n- [Erik Allebest](https://www.anchorterminal.com/people/erik-allebest/), Co-founder and CEO\n\n## Backed by\n\n- [General Atlantic](https://www.anchorterminal.com/investors/general-atlantic/)\n- [CVC Capital Partners](https://www.anchorterminal.com/investors/cvc-capital-partners/)\n\n## Questions\n\n### Who is Jay Severson?\n\nJay Severson co-founded Chess.com with Erik Allebest in 2005. They met in their first year of college, where Jay was president of the chess club, per Chess.com's article on its CEO. His current role is not stated there.\n\n### What does Chess.com LLC make?\n\nAnchor Terminal lists Chess.com Published-Data API from Chess.com LLC. Chess.com's Published-Data API is a keyless, read-only REST API returning JSON-LD for public player profiles, ratings, monthly game archives with PGN, clubs, tournaments, team matches, country lists, the daily puzzle, streamers and leaderboards.\n\n### Who has invested in Chess.com LLC?\n\nThe sources our research read name General Atlantic and CVC Capital Partners.\n\n### How are Jay's tools graded?\n\nChess.com Published-Data API is graded E, 40.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://www.chess.com/about\n- https://www.chess.com/article/view/chesscom-ceo\n- https://www.chess.com/club/chess-com-developer-community\n- https://www.chess.com/news/view/published-data-api\n- https://support.chess.com/article/346-contact-us\n- https://www.chess.com/news/view/chesscom-gets-major-investment\n- https://www.cvc.com/media/news/2026/cvc-capital-partners-invests-in-chess/\n- https://www.chess.com/legal/user-agreement\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. If a page is about you, link your account from it to write the about and set the links yourself. For a photo, a correction or to have a page removed, write to privacy@anchorterminal.com.\n",
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