diff --git a/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyAttributes.cs b/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyAttributes.cs
new file mode 100644
index 0000000000..d18d03b1db
--- /dev/null
+++ b/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyAttributes.cs
@@ -0,0 +1,19 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Difficulty;
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Taiko.Difficulty
+{
+    public class TaikoDifficultyAttributes : DifficultyAttributes
+    {
+        public double GreatHitWindow;
+        public int MaxCombo;
+
+        public TaikoDifficultyAttributes(Mod[] mods, double starRating)
+            : base(mods, starRating)
+        {
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs b/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
index 473c205293..190717e024 100644
--- a/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
@@ -47,7 +48,12 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
 
             double starRating = calculateDifficulty(difficultyHitObjects, timeRate) * star_scaling_factor;
 
-            return new DifficultyAttributes(mods, starRating);
+            return new TaikoDifficultyAttributes(mods, starRating)
+            {
+                // Todo: This int cast is temporary to achieve 1:1 results with osu!stable, and should be remoevd in the future
+                GreatHitWindow = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / timeRate,
+                MaxCombo = beatmap.HitObjects.Count(h => h is Hit)
+            };
         }
 
         private bool calculateStrainValues(List<TaikoHitObjectDifficulty> objects, double timeRate)
diff --git a/osu.Game.Rulesets.Taiko/Difficulty/TaikoPerformanceCalculator.cs b/osu.Game.Rulesets.Taiko/Difficulty/TaikoPerformanceCalculator.cs
index 53cfb4fd0f..f530b6725c 100644
--- a/osu.Game.Rulesets.Taiko/Difficulty/TaikoPerformanceCalculator.cs
+++ b/osu.Game.Rulesets.Taiko/Difficulty/TaikoPerformanceCalculator.cs
@@ -8,13 +8,12 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Scoring;
-using osu.Game.Rulesets.Taiko.Objects;
 
 namespace osu.Game.Rulesets.Taiko.Difficulty
 {
     public class TaikoPerformanceCalculator : PerformanceCalculator
     {
-        private readonly int beatmapMaxCombo;
+        protected new TaikoDifficultyAttributes Attributes => (TaikoDifficultyAttributes)base.Attributes;
 
         private Mod[] mods;
         private int countGreat;
@@ -25,7 +24,6 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
         public TaikoPerformanceCalculator(Ruleset ruleset, WorkingBeatmap beatmap, Score score)
             : base(ruleset, beatmap, score)
         {
-            beatmapMaxCombo = Beatmap.HitObjects.Count(h => h is Hit);
         }
 
         public override double Calculate(Dictionary<string, double> categoryDifficulty = null)
@@ -78,8 +76,8 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             strainValue *= Math.Pow(0.985, countMiss);
 
             // Combo scaling
-            if (beatmapMaxCombo > 0)
-                strainValue *= Math.Min(Math.Pow(Score.MaxCombo, 0.5) / Math.Pow(beatmapMaxCombo, 0.5), 1.0);
+            if (Attributes.MaxCombo > 0)
+                strainValue *= Math.Min(Math.Pow(Score.MaxCombo, 0.5) / Math.Pow(Attributes.MaxCombo, 0.5), 1.0);
 
             if (mods.Any(m => m is ModHidden))
                 strainValue *= 1.025;
@@ -94,14 +92,12 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
 
         private double computeAccuracyValue()
         {
-            // Todo: This int cast is temporary to achieve 1:1 results with osu!stable, and should be remoevd in the future
-            double hitWindowGreat = (int)(Beatmap.HitObjects.First().HitWindows.Great / 2) / TimeRate;
-            if (hitWindowGreat <= 0)
+            if (Attributes.GreatHitWindow <= 0)
                 return 0;
 
             // Lots of arbitrary values from testing.
             // Considering to use derivation from perfect accuracy in a probabilistic manner - assume normal distribution
-            double accValue = Math.Pow(150.0 / hitWindowGreat, 1.1) * Math.Pow(Score.Accuracy, 15) * 22.0;
+            double accValue = Math.Pow(150.0 / Attributes.GreatHitWindow, 1.1) * Math.Pow(Score.Accuracy, 15) * 22.0;
 
             // Bonus for many hitcircles - it's harder to keep good accuracy up for longer
             return accValue * Math.Min(1.15, Math.Pow(totalHits / 1500.0, 0.3));