A
fair play.
Playing fair helps children enjoy the experience of playing together. It's also an important part of getting along with others. And when children get along well with others, it gives them a sense of belonging and helps them grow and thrive.
It's important that kids know the rules of the game to make it fair. If not, it can be very confusing and very frustrating, ending up in a very
dramatical way.
Also important to know when to stop the game when things turn awkward and one of the parts its not enjoying anymore (possibly for the lack of clearness in the rules or during the ejecution)
Playing with honesty always ends up being a great experience. A bit of
mistery is ok... taken to the limits it's ok... but everyone has different limits and it's important to know your
adversary's to not hurt them.
Also necessary to learn how to win or loose with dignity and honorability.
Playing games is for fun, enjoying, learning, sharing, growing...
Most adults forget to play like kids do. Children are the best teachers to make you remember again.