Inc copy pasted response
They can't be sure because the method they use isn't 100 percent accurate.
^
The API doesn't give us the "no stats recorded" status for a match so we have to guess. It's over 99% accurate but things will slip through. I just yanked Level from player profile given that unfortunately we don't have access to that data anymore. We'll bring it back as soon as we can.
კომენტარის დასაწერად გაიარეთ ავტორიზაცია.
The wins, losses, level and games played on my dotabuff account is completely different to my dota 2 profile.
Yes I've had game match sharing thingy in settings enabled the entire time.