UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.26 Safari/537.36

Example URL:
www.up-rpg.com

Steps to reproduce the problem:
1. open site www.up-rpg.com or www.pirate-rpg.com
2. enter ID and password , you can register here > http://id.7zeed.net/register/index.php
3. play game for 5-10 min 

What is the expected behavior?
Play game normal 

What went wrong?
CPU usage above 10% higher than other browser , and sometime game is not responding for shot time.

Does it occur on multiple sites: Yes

Is it a problem with a plugin? Yes Flash Player

Did this work before? Yes After update Google Chrome version 49.0.2623.87 m

Does this work in other browsers? Yes 

Chrome version: 50.0.2661.26  Channel: beta
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 21.0 r0

I try to delete cache flash player and update Google Chrome version 50.0.2661.26 beta-m for test but not work.