Yup, you always want to boil without a lid, and should be starting with more liquid than you need to go into the fermentor. Boiloff rate is usually between 10 and 15% per hour, but will vary with your vessel.
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Monticello Barleywine, Red Nosed Tripel
Cali Common, Imperial Common, Sunshine Belgian Rye, Sticke Note Alt
Cherry Blackberry melomel
Belma Pale Ale, Cluster Fug IIPA, American IIPA v1.0, rauchbier, roggenbier