Students online chess competition

Blitz 5/0-----

The 0 in 5/0 just means there are no seconds given as increments when you make your move. If it were 5/3 that would be 5 minutes on the clock, and after you moved each time, 3 seconds would be added to the clock. So, after you made ten moves in that scenario, you would have gained 30 extra seconds on your clock.