Chess Clock is game clock software for chess players with N900, N950 and N9. Software supports different time controls (time additions, delays, hour glass). Timers are adjustable, different time settings for white and black are available.

Chess clock for N900 (Maemo 5) is available in the extras repository. The latest version is  1.1.2.

Chess Clock for N950 and N9 is available from Nokia Store.

There is also an experimental version for the N800/N810 devices with Maemo 4.1. All features are not supported on this version.