.

connectfour.php

@@ -89,8 +89,8 @@ function score($board,$me,$opponent,$colToPlay,$depth){
    return 0;
   }
   
-  if($depth < 6){
-   return -better_col($newBoard,$opponent,$me,$depth + 1);
+  if($depth < 7){
+   return $depth - better_col($newBoard,$opponent,$me,$depth + 1);
   }else{
     return 0;
   }