From a warrior guide on the wiki...
"An items combat value (CV) is equal to its AC, plus one for every 1pt of Str, 15 HP, 6 Dex, 6 Agi, and 5 Sta. I also add one to its CV for every 1% haste increase.
CV = AC + Str + (total of hp, dex, agi, sta, and save bonuses) + % haste."
http://wiki.project1999.org/Guide_fo...g_My_Greave.3F