Time settings
10:00 / 10:00 - 5s - Fischer
Multi-stage time control
FIDE example: 90 minutes, 40 moves, then add 30 minutes, with 30 seconds per move.
Arbiter time correction
For an illegal move or incorrect claim, add time to the opponent.
Clock history
The last 5 states before Apply, Reset and +1/+2 minute commands are saved.