How should I order unknown wines in a tasting I hope this is not too off-topic. 

We are doing a wine tasting soon, where everyone presents a wine (assume all red, dry). As there will be a wide variety of types, I think the order is quite important (e.g. not having light wines directly after very heavy ones).
What might be the best way to define an order from the information given on a typical bottle of mid-range wine?
Light first, see e.g. this list for ordering them by varietals, if you have old world wine you need to decode areas to probable varietals :-) 

So for reds that would make a list like this.


Pinot Noir
Sangiovese
Tempranillo
Grenache
Zinfandel
Merlot
Shiraz / Syrah
Cabernet Sauvignon