cod waw- leaderboards?

[tommy94]

it a 508 win streak and not a 508 kill streak. I thought it was a kill streak when i begun playing He's just really good or lucky...

 

[Tommy*]

Yeaaahh im so silly only just realised when i sent it lol yeah must be be lucky but i went down a bit on the leaderboards and found someone with like 600+ streak like.. whaaat?