Here is the latest SCHRS to PY chart I could find:
https://www.schrs.com/pylookalike.phpHere is a complete reference for Portsmouth Yardstick:
http://www.ussailing.org/racing/offshore-big-boats/rating-rules/#1471969539173-9c4d8bd4-7affThese sources should help a lot to rate different boats.
Last edited by Mike Fahle; 02/10/18 08:28 PM.