Zarel/Pokemon-Showdown — pull request #418 by V4Victini (2013-10-21 16:36:34+00:00)
Title: Partial Trapping moves now deal 1/8 of Max HP for residual damage

In Gen 5, partial trapping residual damage was 1/16 Max HP and 1/8 with
Binding Band
In Gen 6, it is now 1/8 Max HP and 1/6 with Binding Band