diff -r c9db53de9c3b -r 34c1afbda24a gameServer/OfficialServer/checker.hs
--- a/gameServer/OfficialServer/checker.hs	Fri Jan 02 22:07:31 2015 +0300
+++ b/gameServer/OfficialServer/checker.hs	Fri Jan 02 23:54:11 2015 +0300
@@ -54,7 +54,7 @@
     deriving Show
 
 serverAddress = "netserver.hedgewars.org"
-protocolNumber = "47"
+protocolNumber = "49"
 
 getLines :: Handle -> IO [B.ByteString]
 getLines h = g
@@ -87,18 +87,18 @@
             "ACHIEVEMENT" : typ : teamname : location : value : ps bs
         ps _ = []
 
-checkReplay :: Chan Message -> [B.ByteString] -> IO ()
-checkReplay coreChan msgs = do
+checkReplay :: String -> String -> String -> Chan Message -> [B.ByteString] -> IO ()
+checkReplay home exe prefix coreChan msgs = do
     tempDir <- getTemporaryDirectory
     (fileName, h) <- openBinaryTempFile tempDir "checker-demo"
     B.hPut h . BW.pack . concat . map (fromMaybe [] . Base64.decode . B.unpack) $ msgs
     hFlush h
     hClose h
 
-    (_, _, Just hOut, _) <- createProcess (proc "/usr/home/unC0Rr/Sources/Hedgewars/Releases/0.9.20/bin/hwengine"
+    (_, _, Just hOut, _) <- createProcess (proc exe
                 [fileName
-                , "--user-prefix", "/usr/home/unC0Rr/.hedgewars"
-                , "--prefix", "/usr/home/unC0Rr/Sources/Hedgewars/Releases/0.9.20/share/hedgewars/Data"
+                , "--user-prefix", home
+                , "--prefix", prefix
                 , "--nomusic"
                 , "--nosound"
                 , "--stats-only"
@@ -139,8 +139,8 @@
         sendPacket packet = writeChan chan $ Packet packet
 
 
-session :: B.ByteString -> B.ByteString -> Socket -> IO ()
-session l p s = do
+session :: B.ByteString -> B.ByteString -> String -> String -> String -> Socket -> IO ()
+session l p home exe prefix s = do
     noticeM "Core" "Connected"
     coreChan <- newChan
     forkIO $ recvLoop s coreChan
@@ -169,7 +169,7 @@
     onPacket _ ["PING"] = answer ["PONG"]
     onPacket _ ["LOGONPASSED"] = answer ["READY"]
     onPacket chan ("REPLAY":msgs) = do
-        checkReplay chan msgs
+        checkReplay home exe prefix chan msgs
         warningM "Check" "Started check"
     onPacket _ ("BYE" : xs) = error $ show xs
     onPacket _ _ = return ()
@@ -187,18 +187,24 @@
     updateGlobalLogger "Check" (setLevel DEBUG)
     updateGlobalLogger "Engine" (setLevel DEBUG)
 
+    d <- getHomeDirectory
     Right (login, password) <- runErrorT $ do
-        d <- liftIO $ getHomeDirectory
         conf <- join . liftIO . CF.readfile CF.emptyCP $ d ++ "/.hedgewars/settings.ini"
         l <- CF.get conf "net" "nick"
         p <- CF.get conf "net" "passwordhash"
         return (B.pack l, B.pack p)
 
+    Right (exeFullname, dataPrefix) <- runErrorT $ do
+        conf <- join . liftIO . CF.readfile CF.emptyCP $ d ++ "/.hedgewars/checker.ini"
+        l <- CF.get conf "engine" "exe"
+        p <- CF.get conf "engine" "prefix"
+        return (l, p)
+
 
     Exception.bracket
         setupConnection
         (\s -> noticeM "Core" "Shutting down" >> sClose s)
-        (session login password)
+        (session login password d exeFullname dataPrefix)
     where
         setupConnection = do
             noticeM "Core" "Connecting to the server..."