So, here are the converted dtstyles: https://drive.google.com/open?id=0B7S3WtYAN5gjdFhRMWc2c0xoVk0
Here is a quick snapshot comparison with my haldclut module (left) and the color checker lut output (right), using Kodak Portra 160 emulation:
With the original haldclut:
With converted color checker lut:
The converted color checker lut seems to have a yellowish tint while also having a bit less contrast (dE=2.47971), so I guess there is still some room for improvement.
Let me know if you find this useful. 