Answer :

Board games like chess are good to shape and sharp our mind :-
- They open up our mind.
- Sharps our mind 
- Thinking is an exercise for our brain which is promoted through this...

         
They are good as :-
1. Games like chess help in sharpening our mind.
2. Some board games help in improving mental agility.
3. It is entertaining and we can have a lots of fun.

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