From the JawsG 10

Save your Co-Op partner from an execution by killing the attacker.

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Keypress	Action
`s`	Move focus to site search box
`r`	Move focus to quick reply box in a thread or message
`n`	View the first unread post in a thread
`f`	Toggle and scroll to filter options (on select pages)
`?`	Toggle keyboard shortcut help dialog