Bluetooth таймер шахмат

Timer for three players to play in the Russian chess (for three)
Connect your device with another two on bluetooth devices
In the first step, select the devices
The second and third step, select the color figures of these devices
The device is assigned white pieces starts the game.
Good game!
Thanks for the help in the development of the application:
Kharkov Russian chess club
Kharkov CCI Eastern Star.