[Ezekiel]

/* AMX Mod script
* 
* (c) 2004, Ezekiel
* This file is provided as is (no warranties).
*
* A plugin that will generate a value based on player kill minus player deaths
* and kick if this value is below a certain value.
*
* Players with immunity won't be checked
*/

#include <amxmod>

new RATIO = -5 // the number kills-deaths has to equal or be smaller than for the user to be kicked and banned
new MINPLAYERS = 12 // number of players to be on server before plugin works
new BANTIME = 240 // amount of time to ban people for (minutes)

public plugin_init() {
    register_plugin("Low Skill Kicker","1.0","Ezekiel")
    return PLUGIN_CONTINUE
}

public client_disconnect(id) {
    remove_task(id)
    return PLUGIN_CONTINUE
}

public client_putinserver(id){
    new param[1]
    param[0] = id
    set_task(300.0, "checkScore", id, param, 1)
}

kickPlayer(id) {
    new name[32]
    get_user_name(id, name, 31)
    new uID = get_user_userid(id)
    server_cmd("banid %d #%d", BANTIME, uID)
    client_cmd(id, "echo ^"Sorry but you don't have a high enough score^"; disconnect")
    client_print(0, print_chat, "%s was disconnected due to being shite!", name)
    return PLUGIN_CONTINUE
}

public checkScore(param[]) 
{ 
   new id = param[0] 
   if ((get_user_flags(id) & ADMIN_RESERVATION)) { 
      remove_task(id) 
      client_print(id, print_chat, "Score checking disabled due to immunity...you'd best not be shite! ") 
      return PLUGIN_CONTINUE 
   } 

   new PLAYERS = get_playersnum() 
   if ( PLAYERS >= MINPLAYERS) { 
      new FRAGS = get_user_frags(id) 
      new DEATHS = get_user_deaths(id) 
      new KD = FRAGS - DEATHS 
      if (KD <= RATIO) 
      { 
         kickPlayer(id) 
         return PLUGIN_CONTINUE 
      } 
      else { 
         return PLUGIN_CONTINUE 
      } 
   } 
   else { 
      return PLUGIN_CONTINUE 
   }
   return PLUGIN_CONTINUE 
}

like that?