failure = {}
failure.failures = {}

function failure.logPlayerData( charid)
  local kills = 0
  local deaths = 0
  local pks = 0
  kills, deaths, pks = GetCharacterKillDeaths(charid)
  if(failure.failures == nil) then
    failure.failures = {}
  end
  if(failure.failures[charid] == nil and charid ~= nil) then
    failure.failures[charid] = {}
    failure.failures[charid]["name"] = GetPlayerName(charid)
    failure.failures[charid].originalKills = kills
    failure.failures[charid].originalDeaths = deaths
    failure.failures[charid].originalPKs = pks
  end
  failure.failures[charid].latestKills = kills
  failure.failures[charid].latestDeaths = deaths
  failure.failures[charid].latestPKs = pks
end

function failure.logAll()
  ForEachPlayer(function (id) failure.logPlayerData( id) end)
end

function failure.printAll()
  for k,v in pairs(failure.failures) do
    print(v.name .. ": " ..
          v.latestKills - v.originalKills .. " kills, " ..
          v.latestDeaths - v.originalDeaths .. " deaths, " ..
          v.latestPKs - v.originalPKs .. " PKs")
  end
end

RegisterUserCommand("logFailure", failure.logAll)
RegisterUserCommand("printFailure", failure.printAll)