While speaking it may well depend upon your tone. In writing, let you know a couple of facts, sounds more authoritative/accusative compared to bring to your notice.

Alternatively, bring to your attention, may be appropriate when dealing with seniors in the hierarchy.

One of the single word for the above phrase can be accentuate.

let you know a couple of facts OR bring couple of facts to your notice
In Settlers of Catan, I sometimes try to ask people if they want to trade a certain resource, tricking them into revealing the approximate amount of that resource in everyone's hand. After this I play the monopoly card. This has on some occasions not been received very well.

Is this fair play?
