his script should be installed: ctrike/addons/eventscripts/crashreset/es_crashreset.txt

block load
{
  es_keygroupdelete servercrash 
  es_keygroupload servercrash |crashreset
  es_xsetinfo sc_exists 0
  es_exists sc_exists key servercrash server
  if (server_var(sc_exists) equalto 0) do
  {
    es_keycreate servercrash server
  }
  es_xsetinfo sc_load 1
}

block unload
{
  es_keygroupdelete servercrash
}

event es_map_start
{
  if (server_var(sc_load) equalto 1) do
  {
    es_xsetinfo sc_load 0
    es_xsetinfo crash_map 0
    es_keygetvalue crash_map servercrash server currentmap
    if (server_var(crash_map) notequalto server_var(eventscripts_currentmap)) do
    {
     es_delayed 10 changelevel server_var(crash_map)
    }
  }
  else do
  {
    es_delayed 10 es_keysetvalue servercrash server currentmap server_var(eventscripts_currentmap)
    es_delayed 10 es_keygroupsave servercrash |crashreset
  }
}