diff --git a/service/data/diff.sql b/service/data/diff.sql
index e1b251c..71f53ec 100644
--- a/service/data/diff.sql
+++ b/service/data/diff.sql
@@ -4,14 +4,14 @@ with char1_achievements as (
 		date,
 		completed
 	from achievements
-	where name = 'Extazyk'
+	where name = $1
 ),
 char2_achievements as (
 	select id,
 		date,
 		completed
 	from achievements
-	where name = 'Smokemantra'
+	where name = $2
 ),
 all_achievements as (
 	select id
diff --git a/service/data/groupPlayers.sql b/service/data/groupPlayers.sql
index b2623f2..5ba798c 100644
--- a/service/data/groupPlayers.sql
+++ b/service/data/groupPlayers.sql
@@ -5,15 +5,15 @@ with RECURSIVE connected_players as (
 		total_achievements1 as achievements,
 		similarity_percentage
 	from similar_pairs
-	where similarity_percentage >= 70
+	where similarity_percentage >= $1
 	union
 	select name2,
 		name1,
 		matching_count,
 		total_achievements2,
 		similarity_percentage
-	from similar_pairs 
-		where similarity_percentage >= 70
+	from similar_pairs
+		where similarity_percentage >= $1
 	union
 	select case
 			when sp.name1 = cp.player_name then sp.name2
@@ -31,7 +31,7 @@ with RECURSIVE connected_players as (
 			sp.name1 = cp.player_name
 			or sp.name2 = cp.player_name
 		)
-		and sp.similarity_percentage >= 70
+		and sp.similarity_percentage >= $1
 	where case
 			when sp.name1 = cp.player_name then sp.name2
 			else sp.name2
@@ -45,7 +45,7 @@ select group_root,
 	MIN(matching_count) as min_matching,
 	AVG(matching_count) as avg_matching
 from connected_players
-where group_root in ('Paskoo')
+where group_root in ($2)
 group by group_root
 having count(*) > 1
 order by count(*) desc,