openchess.app
openchess.app is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-20 and last crawled it on 2026-08-20. It resolves to 104.21.19.50 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Chess training: openings, tactics, game analysis | OpenChess
Theory, tactics and analysis in a single training loop. Your repertoire generates your puzzles, your mistakes become cards, and FSRS has you review right before you forget.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-20 |
| Last crawled | 2026-08-20 |
| IPv4 | 104.21.19.50 |
| IPv6 | 2606:4700:3037::ac43:b93d |
| Network | AS13335 Cloudflare, Inc. · United States |
| Mail (MX) | mx.zoho.eu,mx2.zoho.eu,mx3.zoho.eu |
| Language | en |
| Server | cloudflare |
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