Black and red without matigale

[smajbr]

Hello everyone I am new to the forum.
I wonder one thing.
I pretended 10,000 spins in excel with black or red bet system. a basic form.
ex:
play one point in the black if it falls red
and play one point in red fall black
if it falls zero -1 point
if it falls the same thing as above, -1 point
without matigale system.
This yielded 400 positives.

if dropped 10 consecutive black then loses 9 points
if it falls 10 zeros then loses 10 points

What intrigues me because it is so easy? is it the psychology factor that makes everyone lose or my system is defective?
For now I prefer to believe that my system is defective until similar results.
I left to do? anyone can give any tips?

[Drazen]

Welcome to the forum.

Your system seems defective indeed. But the right question is for the who?

Few words more about it maybe?

Cheers