diff --git a/haskell/vindinium/app/Main.hs b/haskell/vindinium/app/Main.hs
index 495030c..8a0cedc 100644
--- a/haskell/vindinium/app/Main.hs
+++ b/haskell/vindinium/app/Main.hs
@@ -21,7 +21,7 @@ loop1 pos depth acc
         in loop1 sim (depth - 1) acc'
 
 sim1 :: Pos -> (Int, Pos)
-sim1 pos = simulate board1 pos (0, 100, singleton (0,4))
+sim1 pos = simulate board1 (0, 100, pos, singleton (0,4))
 
 board1 :: Board
 board1 = fromList $ fmap fromList
diff --git a/haskell/vindinium/src/Player.hs b/haskell/vindinium/src/Player.hs
index fa6243b..233b8c0 100644
--- a/haskell/vindinium/src/Player.hs
+++ b/haskell/vindinium/src/Player.hs
@@ -79,7 +79,9 @@ bot readLine writeLine = do
                 EMine oId _ -> oId == myId
                 _ -> False) entities
 
-        let (val, pos) = simulate board (posFromEntity hero) (gameState hero $ fmap posFromEntity myMines)
+        let st = (gameState hero $ fmap posFromEntity myMines)
+        hPrint stderr st
+        let (val, pos) = simulate board st
         -- hPrint stderr (gameState hero $ fmap posFromEntity myMines) -- (val, pos)
         putStrLn $ moveToPos pos
         
@@ -108,8 +110,8 @@ posFromEntity (EHero _ p _ _) = p
 posFromEntity (EMine _ p) = p
 
 gameState :: Entity -> V.Vector Pos -> GameState
-gameState (EHero _ _ l g) mines = (g, l, mines)
-gameState (EMine _ _) mines = (-1, -1, mines)
+gameState (EHero _ pos l g) mines = (g, l, pos, mines)
+gameState (EMine _ pos) mines = (-1, -1, pos, mines)
 
 isTavern :: BoardEntity -> Bool
 isTavern Tavern = True
diff --git a/haskell/vindinium/src/Simulation/Board.hs b/haskell/vindinium/src/Simulation/Board.hs
index 7b78633..1737340 100644
--- a/haskell/vindinium/src/Simulation/Board.hs
+++ b/haskell/vindinium/src/Simulation/Board.hs
@@ -9,8 +9,7 @@ import Control.Monad.State.Class
 import Data.List as L
 import Simulation.Data
 
-size = 5  -- TODO: Allow for variable board sizes
-searchDepth = 9
+searchDepth = 8
 
 -- fromPlayerBoard :: Board -> BoardInternal
 -- fromPlayerBoard pBoardInternal = fmap (fmap $ fromEnum) asVector
@@ -20,69 +19,79 @@ searchDepth = 9
 -- back and forth between two fields infinitely
 -- Caution: if the player moved inside a Tavern or Mine he needs to be reset to his initial position afterwards
 -- TODO: Check if tailrec
-simulate :: Board -> Pos -> GameState -> (Int, Pos)
-simulate board pos = simulateMove board pos (-1,-1) searchDepth
+simulate :: Board -> GameState -> (Int, Pos)
+simulate board = simulateMove board (-1,-1) searchDepth
 
-simulateMove :: Board -> Pos -> Pos -> Int -> GameState -> (Int, Pos)
-simulateMove board pos prevPos depth gameState
+simulateMove :: Board -> Pos -> Int -> GameState -> (Int, Pos)
+simulateMove board prevPos depth state@(_,_,pos,_)
     | depth == 0 =
-        let gameState' = evalMove board pos gameState
-        in (evalGameState gameState', pos)
+        let state' = evalMove board state
+        in (evalGameState state', pos)
     | otherwise =
-        let gameState' = evalMove board pos gameState
+        let state' = evalMove board state
             bPos = boardPos board pos
-            -- pos' = if bPos == Tavern || bPos == Mine then prevPos else pos      -- move back out of tavern/mine
-            vals = fmap (\pos'' -> simulateMove board pos'' pos (depth-1) gameState') moves   -- before pos' 
+            -- der Trick: in einem Zug muss die Minenposition zurueckgegeben werden, die Position des Helden
+            -- aendert sich aber nicht. Im naechsten Zug will der Held dann nicht mehr die Mine erobern.
+            --pos' = if bPos == Tavern || bPos == Mine then prevPos else pos      -- move back out of tavern/mine
+            vals = fmap (\pos' -> simulateMove board pos (depth-1) (updatePos pos' state')) moves   -- before pos' 
             valsWithOldPos = if depth == searchDepth
                 then vals   -- return position of submove on first level
                 else zip (fmap fst vals) (replicate 4 pos)  -- return starting position otherwise  -- before pos'
         in L.maximumBy (\(v1, _) (v2, _) -> compare v1 v2) valsWithOldPos
     where
         moves :: [Pos]
-        moves = filter (posValid board) $ possibleMoves pos
+        moves = filter (posValid board state) $ possibleMoves pos
+
+updatePos :: Pos -> GameState -> GameState
+updatePos pos (gold, life, _, mines) = (gold, life, pos, mines)
 
 -- update State according to hero position on board
 -- executed every move
-evalMove :: Board -> Pos -> GameState -> GameState
-evalMove board pos state@(gold, life, mines)
-    | entity == Air =  (gold + length mines, life-1, mines)
-    | entity == SpawnPoint = (gold + length mines, life-1, mines)
-    | entity == Tavern =
-        if gold >= 2 then
-           ( gold + length mines - 2
-           , min 100 (life + 50)    -- TODO: Check if life is +19
-           , mines
-           )
-        else 
-           ( gold + length mines
-           , life - 1
-           , mines
-           )
-    | entity == Mine =
-        let addMine = pos `V.notElem` mines
-            mines' = if addMine then V.cons pos mines else mines
-        in
-            ( gold + length mines'
-            , life - 1
-            , mines'
-            )
-    | entity == Wall = state -- should never happen
+evalMove :: Board -> GameState -> GameState
+evalMove board state@(gold, life, pos, mines) = evalBuildings
     where
-        entity = boardPos board pos
+        evalBuildings
+            | entity == Air = (gold + length mines, life-1, pos, mines)
+            | entity == SpawnPoint = (gold + length mines, life-1, pos, mines)
+            | entity == Tavern =
+                if gold >= 2 then
+                   ( gold + length mines - 2
+                   , min 100 (life + 50)    -- TODO: Check if life is +19
+                   , pos
+                   , mines
+                   )
+                else 
+                   ( gold + length mines
+                   , life - 1
+                   , pos
+                   , mines
+                   )
+            | entity == Mine =
+                let addMine = pos `V.notElem` mines
+                    mines' = if addMine then V.cons pos mines else mines
+                in
+                    ( gold + length mines'
+                    , life - 1
+                    , pos
+                    , mines'
+                    )
+            | entity == Wall = state -- should never happen
+            where
+                entity = boardPos board pos
 
 -- retuns the evalutaion of the current move
 -- executed if maximum depth is reached
 evalGameState :: GameState -> Int
-evalGameState (gold, _, _) = gold
+evalGameState (gold, _, _, mines) = gold + length mines * 10
 
 -- get BoardInternalEntity Enum of Pos on BoardInternal
 boardPos :: Board -> Pos -> BoardEntity
--- boardPos board (x,y) = (board V.! x) V.! y
 boardPos board (x,y) = (board V.! y) V.! x
 
-posValid :: Board -> Pos -> Bool
-posValid board pos@(x,y) = onBoardInternal && boardPos' /= Wall
+posValid :: Board -> GameState -> Pos -> Bool
+posValid board (_, _, _, mines) pos@(x,y) = onBoardInternal && boardPos' /= Wall && boardPos' /= Tavern && pos `notElem` mines
     where
+        size = length board
         boardPos' = boardPos board pos
         onBoardInternal = x >= 0 && x < size && y >= 0 && y < size
 
@@ -90,5 +99,4 @@ possibleMoves :: Pos -> [Pos]
 possibleMoves (x,y) = [ (x+1, y), (x, y+1), (x-1, y), (x, y-1) ]
 
 
-data Tree v = Node v (Tree v) | Leaf v
-
+data Tree v = Node v (Tree v) | Leaf v
\ No newline at end of file
diff --git a/haskell/vindinium/src/Simulation/Data.hs b/haskell/vindinium/src/Simulation/Data.hs
index 0986847..ecaf7bb 100644
--- a/haskell/vindinium/src/Simulation/Data.hs
+++ b/haskell/vindinium/src/Simulation/Data.hs
@@ -10,5 +10,5 @@ type IndexedBoard = V.Vector (Pos, BoardEntity)
 
 type Pos = (Int, Int)
 
--- (gold, life, own mines)
-type GameState = (Int, Int, V.Vector Pos)
+-- (gold, life, hero pos, own mines)
+type GameState = (Int, Int, Pos, V.Vector Pos)