Chromium plating on an object will be lighter than a similar object made entirely out of stainless steel. While chromium is valued for its high lustre, this high lustre tends to make the material more susceptible to dirt and grime. Between stainless steel and chrome, stainless steel is the more expensive metal. Sources 1  [+] https://en.wikipedia.org/wiki/Chrome_plating.  https://en.wikipedia.org/wiki/Stainless_steel.
The reason a colleague plays mind games at work for instance might be very different to the reason your partner plays mind games and tests you. The first reason that many people play mind games is undoubtedly in order to get back some control.
Requiring little or no physical exertion or agility, mind sports are often not considered true sports. Some mind sports are recognised by sporting federations. The following list is intended to represent anything that is likely to be referred to as a mind sport, not to argue their validity as sports. Card games