This approach separates the men from the boys, it weeds
out the social players from the
serious ones. When a new player starts to learn chess his
or her biggest mistake is to go for the checkmate too
soon. I have heard it many times in competitions when
there is a optimistic shout of “Checkmate [...]

If you are like me you enjoy playing chess but hate losing more
often than you win. For me at least, winning often seemed more
of an accident than skill. Well, having many hours of trial and
error, studying moves my opponents made, looking at what I was
doing, etc. I came up with a few basic ideas on [...]