Is the match making absolutely ruined? or what?

Last game i had an Iron 2, plat 4, Silver 1, Silver 2, and a few Golds in my solo Queue game. I am gold 4. How can you get this wide of a variety of ranks in one solo queue game? I honestly just don't understand. ( of the game) ( said tryndamere was unranked, here is his rank according to LoL client.)
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