A short history of chess clocks
From separate sandglasses and mechanical flags to digital increment and browser-based timers.
Read guide →Mechanical vs digital chess clocks
Compare feel, precision, time-control support, readability and tournament practicality.
Read guide →What to look for in a chess clock
A non-affiliate checklist for displays, controls, presets, batteries and accessibility.
Read guide →Designing an accessible chess clock
Practical visual, motor, cognitive and screen-reader considerations for inclusive timed play.
Read guide →Bluetooth chess clocks and browser limits
What Web Bluetooth can connect to, what it cannot do, and how ChessClock.now handles nearby play honestly.
Read guide →