So, first hand of an east/south match. Some possible choices are......
Red five, isolated, better now than later. No, I'd rather not, still 11 tiles left to get another five or a connector to it (4 or 6).
Open up and commit to tanyao. No, too early. Drawing the
or
would then be a waste. (six tiles still available). Stay concealed, for now.
I would toss the
. The only reason to keep it would be to get a third one and at this point, I don't see a reason to do that.
I only have 4 pairs in the hand, if I had 5, might be a different story.
This way, maybe riichi, pinfu, 2 dora, who knows. See what develops.
Feel free to comment, even if you disagree, can't learn more any other way.