Observed arrival · 2026-09-27
AnyChess turns plain-language rules into chess bots
A browser chess app for describing custom bots and house rules, then playing against them.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Chess players experimenting with custom opponents and house rules
- Worth noticing
- Challenge progress is saved on the device, and bots can be shared by link, share code, or rule JSON.
Field notes
The settings expose controls for engine strength, clocks, board accents, sound effects, and move annotations, while the game interface includes pause, take-back, resign, and move review. The site says challenge progress stays on the device; its AI-use note says a few description reads are free daily and that an entered Anthropic key is stored in the browser and sent to Anthropic.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue