How close to published speed guide upwind?

I'm working on my digital log thing and about to add some visual indicators showing how close to "optimal speed" we're sailing.

What should I compare to? Obviously I can compare to what we've been able to achieve ourselves, but what else? 

I've found one Hanse 388 with an ORC certificate, so that's one: https://jieter.github.io/orc-data/site/#KOR/KOR4721

In addition there is Hanse's published speed guide: http://www.windcrafthanse.com/wp-content/uploads/2017/07/Hanse_388_Speed_Guide.pdf

What is your experience? When sailing upwind with a boat actually loaded with stuff, how close to the Hanse speed guide do you get?

Here's a comparison to the Hanse 388 ALOHA mentioned in my OP. Reaching with our code 0, we're doing really well, going 98-100% of their polar speeds. (Actually surprisingly good, so I still have to recheck the calculations.)

I didn't extract the exact figures from Hanse's speed guide, but a quick glance says that we're about in the same place there as well. 

Encouraging :)

I think Aloha's calculation is based on their asymmetric spinnaker (100.79m²). In the ORC methodology they say they run the prediction simulations with all the different sails and select the best speed: 

"The calculations are done for the upwind sails (mainsail and jib) and downwind for the mainsail with each declared largest off wind sail type (symmetric, asymmetric on pole, asymmetric on centerline),

where the program then chooses the sail combination to produce best speed."

Hanse's speed guide, at least, is using a symmetric spinnaker and there the resultant speed is about 7.3 knots. 

WE'RE OK! :D 

(Without the code 0, not so much though :))