diff --git a/app/src/main/java/net/pokeranalytics/android/calculus/Report.kt b/app/src/main/java/net/pokeranalytics/android/calculus/Report.kt
index e97d56f9..745af09d 100644
--- a/app/src/main/java/net/pokeranalytics/android/calculus/Report.kt
+++ b/app/src/main/java/net/pokeranalytics/android/calculus/Report.kt
@@ -136,6 +136,8 @@ class ComputableGroup(name: String, conditions: List<QueryCondition>, stats: Lis
 		this._sessionSets = null
 	}
 
+	val isEmpty: Boolean = this._computables?.isEmpty() ?: true
+
 }
 
 class ComputedResults(group: ComputableGroup) {
@@ -258,6 +260,8 @@ class ComputedResults(group: ComputableGroup) {
 		return entries
 	}
 
+	val isEmpty: Boolean = this.group.comparedComputables?.isEmpty ?: true
+
 }
 
 class Point(val x: Double, val y: Double, val data: Any) {
diff --git a/app/src/main/java/net/pokeranalytics/android/ui/fragment/CalendarFragment.kt b/app/src/main/java/net/pokeranalytics/android/ui/fragment/CalendarFragment.kt
index b05d036f..0f21d694 100644
--- a/app/src/main/java/net/pokeranalytics/android/ui/fragment/CalendarFragment.kt
+++ b/app/src/main/java/net/pokeranalytics/android/ui/fragment/CalendarFragment.kt
@@ -5,11 +5,20 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.LinearLayoutManager
+import io.realm.Realm
 import kotlinx.android.synthetic.main.fragment_stats.*
+import kotlinx.coroutines.*
 import net.pokeranalytics.android.R
-import net.pokeranalytics.android.ui.fragment.components.PokerAnalyticsFragment
+import net.pokeranalytics.android.calculus.Calculator
+import net.pokeranalytics.android.calculus.Report
+import net.pokeranalytics.android.calculus.Stat
+import net.pokeranalytics.android.model.comparison.Comparator
+import net.pokeranalytics.android.model.filter.QueryCondition
+import net.pokeranalytics.android.ui.fragment.components.SessionObserverFragment
+import java.util.*
+import kotlin.coroutines.CoroutineContext
 
-class CalendarFragment : PokerAnalyticsFragment() {
+class CalendarFragment : SessionObserverFragment(), CoroutineScope {
 
     companion object {
 
@@ -44,8 +53,75 @@ class CalendarFragment : PokerAnalyticsFragment() {
      */
     private fun initData() {
 
+	    val comparator = Comparator.MONTH // returns all months
+
+	    val conditions = comparator.queryConditions
+
+	    conditions.forEach {
+
+		    val realm = getRealm()
+		    Calculator.computeStatsWithComparators(realm, conditions = listOf(it), options = Calculator.Options())
+
+	    }
+
+
+
     }
 
+	override val coroutineContext: CoroutineContext
+		get() = Dispatchers.Main
+
+
+	private fun launchStatComputation() {
+
+		val comparator = Comparator.MONTH // returns all months
+
+//		val conditions = comparator.queryConditions
+		val conditions = listOf(QueryCondition.CASH, QueryCondition.TOURNAMENT)
+
+		conditions.forEach {
+
+			val realm = getRealm()
+
+
+
+			GlobalScope.launch(coroutineContext) {
+
+				var r = Report()
+				val test = GlobalScope.async {
+					val s = Date()
+
+					val realm = Realm.getDefaultInstance()
+
+					val report = Calculator.computeStatsWithComparators(realm, conditions = listOf(it), options = Calculator.Options())
+					report.results.firstOrNull()?.let {
+
+
+						val isEmpty = it.isEmpty
+						val statValue = it.computedStat(Stat.NETRESULT)?.value
+					}
+
+//				r = createSessionGroupsAndStartCompute(realm)
+//				report = r
+					realm.close()
+
+
+				}
+				test.await()
+
+				if (!isDetached) {
+//				showResults(r)
+				}
+			}
+
+		}
+
+
+	}
+
+
+
+
 	/**
 	 * Init UI
 	 */