diff --git a/sdgb-api/src/helper/music_db/mod.rs b/sdgb-api/src/helper/music_db/mod.rs
index 7b5067d..4e81047 100644
--- a/sdgb-api/src/helper/music_db/mod.rs
+++ b/sdgb-api/src/helper/music_db/mod.rs
@@ -80,11 +80,15 @@ impl Level {
             _ if achievement > dec!(101.0) => return 0,
 
             _ if achievement >= SSS_PLUS_THRESHOLD => SSS_PLUS_FACTOR,
+            _ if achievement >= SSS_PRO_THRESHOLD => SSS_PRO_FACTOR,
             _ if achievement >= SSS_THRESHOLD => SSS_FACTOR,
+            _ if achievement >= SS_PLUS_PRO_THRESHOLD => SS_PLUS_PRO_FACTOR,
             _ if achievement >= SS_PLUS_THRESHOLD => SS_PLUS_FACTOR,
             _ if achievement >= SS_THRESHOLD => SS_FACTOR,
+            _ if achievement >= S_PLUS_PRO_THRESHOLD => S_PLUS_PRO_FACTOR,
             _ if achievement >= S_PLUS_THRESHOLD => S_PLUS_FACTOR,
             _ if achievement >= S_THRESHOLD => S_FACTOR,
+            _ if achievement >= AAA_PRO_THRESHOLD => AAA_PRO_FACTOR,
             _ if achievement >= AAA_THRESHOLD => AAA_FACTOR,
             _ if achievement >= AA_THRESHOLD => AA_FACTOR,
             _ if achievement >= A_THRESHOLD => A_FACTOR,
@@ -104,21 +108,33 @@ impl Level {
 const SSS_PLUS_THRESHOLD: Decimal = dec!(100.5);
 const SSS_PLUS_FACTOR: Decimal = dec!(0.224);
 
+const SSS_PRO_THRESHOLD: Decimal = dec!(100.4999);
+const SSS_PRO_FACTOR: Decimal = dec!(0.222);
+
 const SSS_THRESHOLD: Decimal = dec!(100);
 const SSS_FACTOR: Decimal = dec!(0.216);
 
+const SS_PLUS_PRO_THRESHOLD: Decimal = dec!(99.9999);
+const SS_PLUS_PRO_FACTOR: Decimal = dec!(0.214);
+
 const SS_PLUS_THRESHOLD: Decimal = dec!(99.5);
 const SS_PLUS_FACTOR: Decimal = dec!(0.211);
 
 const SS_THRESHOLD: Decimal = dec!(99);
 const SS_FACTOR: Decimal = dec!(0.208);
 
+const S_PLUS_PRO_THRESHOLD: Decimal = dec!(98.9999);
+const S_PLUS_PRO_FACTOR: Decimal = dec!(0.206);
+
 const S_PLUS_THRESHOLD: Decimal = dec!(98);
 const S_PLUS_FACTOR: Decimal = dec!(0.203);
 
 const S_THRESHOLD: Decimal = dec!(97);
 const S_FACTOR: Decimal = dec!(0.2);
 
+const AAA_PRO_THRESHOLD: Decimal = dec!(96.9999);
+const AAA_PRO_FACTOR: Decimal = dec!(0.176);
+
 const AAA_THRESHOLD: Decimal = dec!(94);
 const AAA_FACTOR: Decimal = dec!(0.168);
 
@@ -127,3 +143,17 @@ const AA_FACTOR: Decimal = dec!(0.152);
 
 const A_THRESHOLD: Decimal = dec!(80);
 const A_FACTOR: Decimal = dec!(0.136);
+
+/*
+TODO: calculate (below) BBB dx rating
+  [0, 0, 'd'],
+  [10, 1.6, 'd'],
+  [20, 3.2, 'd'],
+  [30, 4.8, 'd'],
+  [40, 6.4, 'd'],
+  [50, 8, 'c'],
+  [60, 9.6, 'b'],
+  [70, 11.2, 'bb'],
+  [75, 12.0, 'bbb'],
+  [79.9999, 12.8, 'bbb'],
+*/