If two people try and input the same match, the system should detect this and inform the user that this match has already been recorded (possibly offering the option to say actually no, this was intentional we played again and the result was the same)
If two people try and input the same match, the system should detect this and inform the user that this match has already been recorded (possibly offering the option to say actually no, this was intentional we played again and the result was the same)