The plugins directory will contain the PsychoStats plugins for use on your 
Half-Life servers.

Please see the online Psychostats documentation for installation instructions:

http://www.psychostats.com/docs/ps2/chapter.php?sec=49

A pre-compiled version of the plugin is not provided due to servers using
various versions of the AMX module. You can compile the plugin by going to:
http://www.psychostats.com/compile.php

If you have any other problems with the plugin please report them in the 
forums on the PsychoStats website: http://www.psychostats.com/

Thank you, and enjoy

-- Stormtrooper