diff --git a/src/solo_turnier/competition_class.py b/src/solo_turnier/competition_class.py
index 1058ed1..1821d6a 100644
--- a/src/solo_turnier/competition_class.py
+++ b/src/solo_turnier/competition_class.py
@@ -8,12 +8,16 @@ class CompetitionClass:
         return self.name
 
 class CombinedCompetitionClass:
-    def __init__(self, clsA: CompetitionClass, clsB: CompetitionClass):
+    def __init__(self, clsA: CompetitionClass, clsB: CompetitionClass, clsC: CompetitionClass = None):
         self.clsA = clsA
         self.clsB = clsB
+        self.clsC = clsC
     
     def __repr__(self):
-        return f'{self.clsA}/{self.clsB}'
+        if self.clsC is None:
+            return f'{self.clsA}/{self.clsB}'
+        else:
+            return f'{self.clsA}/{self.clsB}/{self.clsC}'
 
 Class_t = CompetitionClass | CombinedCompetitionClass
 
@@ -21,6 +25,8 @@ class CompetitionClassParser:
     NEWC = CompetitionClass('Newc.')
     BEG = CompetitionClass('Beg.')
     ADV = CompetitionClass('Adv.')
+
+    PREVIEW = CompetitionClass('Sichtung')
     
     def __init__(self):
 
@@ -35,8 +41,14 @@ class CompetitionClassParser:
             'Adv.': self.ADV,
             'Advanced': self.ADV,
         }
+        self.namesPreview = [
+            'Sichtung'
+        ]
 
-    def parseClass(self, cls: str) -> Class_t:
+    def parseClass(self, cls: str, allowPreview: bool = False) -> Class_t:
+        if allowPreview and cls in self.namesPreview:
+                return self.PREVIEW
+        
         match = re.compile('^(\\w+\\.?)/(\\w+\\.?)$').match(cls)
         if match is not None:
             clsA = self.mapNames[match.group(1)]
@@ -45,6 +57,6 @@ class CompetitionClassParser:
         else:
             return self.mapNames[cls]
     
-    def isPureClass(self, cls: str) -> bool:
-        parsedClass = self.parseClass(cls)
+    def isPureClass(self, cls: str, allowPreview: bool = False) -> bool:
+        parsedClass = self.parseClass(cls, allowPreview)
         return isinstance(parsedClass, CompetitionClass)
diff --git a/src/solo_turnier/group.py b/src/solo_turnier/group.py
index f10fd70..e8112da 100644
--- a/src/solo_turnier/group.py
+++ b/src/solo_turnier/group.py
@@ -21,6 +21,12 @@ class GroupParser:
     KIN = Group('Kin.')
     JUN = Group('Jun.')
     JUG = Group('Jug.')
+    HGR = Group('Hgr.')
+    MAS1 = Group('Mas. I')
+    MAS2 = Group('Mas. II')
+    MAS3 = Group('Mas. III')
+    MAS4 = Group('Mas. IV')
+    MAS5 = Group('Mas. V')
 
     def __init__(self):
 
@@ -28,12 +34,36 @@ class GroupParser:
             'Kin': self.KIN,
             'Kin.': self.KIN,
             'Kinder': self.KIN,
+            
             'Jun': self.JUN,
             'Jun.': self.JUN,
             'Junioren': self.JUN,
+            
             'Jug': self.JUG,
             'Jug.': self.JUG,
             'Jugend': self.JUG,
+
+            'Hgr': self.HGR,
+            'HGr': self.HGR,
+            'Hgr.': self.HGR,
+            'HGr.': self.HGR,
+            'Hauptgruppe': self.HGR,
+
+            'Mas. I': self.MAS1,
+            'Mas. II': self.MAS2,
+            'Mas. III': self.MAS3,
+            'Mas. IV': self.MAS4,
+            'Mas. V': self.MAS5,
+            'Mas I': self.MAS1,
+            'Mas II': self.MAS2,
+            'Mas III': self.MAS3,
+            'Mas IV': self.MAS4,
+            'Mas V': self.MAS5,
+            'Masters I': self.MAS1,
+            'Masters II': self.MAS2,
+            'Masters III': self.MAS3,
+            'Masters IV': self.MAS4,
+            'Masters V': self.MAS5,
         }
 
     def parseClass(self, cls: str) -> Group_t: