diff --git a/tetris-ai-robertko.js b/tetris-ai-robertko.js
index 5517962..8205094 100644
--- a/tetris-ai-robertko.js
+++ b/tetris-ai-robertko.js
@@ -5,20 +5,21 @@ var ACTION_ROTATE = 3;
 var ACTION_DROP = 4;
 
 var game;
-var version = "0.5";
+var version = "0.6";
 
-var mod_rank_height_mul   = 0.5;
-var mod_rank_hole_malus   = 16;
-var mod_rank_hole_mult    = 1.25;
-var mod_rank_hole_decay   = 0.8;
-var mod_rank_line_clear   = 5;
-var mod_rank_shaft        = 5;
-var mod_rank_shaft_deep   = 2.5;
-var mod_rank_shaft_ibonus = 0;
-var mod_rank_horizontal   = 1.5;
+var mod_rank_height_mult     = 0.5;
+var mod_rank_hole_malus      = 8;
+var mod_rank_hole_mult       = 1.25;
+var mod_rank_hole_decay      = 0.8;
+var mod_rank_line_clear      = 5;
+var mod_rank_shaft           = 5;
+var mod_rank_shaft_deep      = 2.5;
+var mod_rank_shaft_ibonus    = 0;
+var mod_rank_horizontal      = 1.5;
+var mod_rank_next_brick_mult = 1.0;
 
-var settings_level_depth     = 1;
-var settings_level_precision = 50;
+var settings_level_depth     = 2;
+var settings_level_precision = 5;
 
 var bestDropLocation = null;
  
@@ -137,8 +138,8 @@ function rankHeight(brickId, dropLocation, board) {
 		}
 	}*/
 
-	//return - Math.pow(highest/game.height, 2) * highest - mod_rank_height_mul * Math.max(0, highest - old_highest);
-	return - highest * mod_rank_hole_mult;
+	//return - Math.pow(highest/game.height, 2) * highest - mod_rank_height_mult * Math.max(0, highest - old_highest);
+	return - highest * mod_rank_height_mult;
 
 }
 
@@ -282,7 +283,8 @@ function chooseBestRank(brickId, board, dropLocations, level) {
 			nextBrickId = game.peekNextBrick(level);
 			nextLevelDropLocations = getAllPossibleDropLocations(nextBrickId, game.getBrickStartingLocation(nextBrickId), 0, ranking[i][2]);
 			nextRank = chooseBestRank(nextBrickId, ranking[i][2], nextLevelDropLocations, level + 1);
-			ranking[i][1] += nextRank[1];
+			ranking[i][1] = nextRank[1];
+			//TODO? ranking[i][1] += mod_rank_next_brick_mult * nextRank[1];
 		}
 	}