diff --git a/src/solo_turnier/__init__.py b/src/solo_turnier/__init__.py
index 610279e..2f06776 100644
--- a/src/solo_turnier/__init__.py
+++ b/src/solo_turnier/__init__.py
@@ -1,4 +1,7 @@
 
+from . import competition_class
+from . import group
+
 from . import cli
 from . import reader
 from . import participant
diff --git a/src/solo_turnier/competition_class.py b/src/solo_turnier/competition_class.py
new file mode 100644
index 0000000..57089d4
--- /dev/null
+++ b/src/solo_turnier/competition_class.py
@@ -0,0 +1,47 @@
+import re
+
+class CompetitionClass:
+    def __init__(self, text: str):
+        self.name = text
+    
+    def __repr__(self):
+        return self.name
+
+class CombinedCompetitionClass:
+    def __init__(self, clsA: CompetitionClass, clsB: CompetitionClass):
+        self.clsA = clsA
+        self.clsB = clsB
+    
+    def __repr__(self):
+        return f'{self.clsA}/{self.clsB}'
+
+class CompetitionClassParser:
+    def __init__(self):
+        self.NEWC = CompetitionClass('Newc.')
+        self.BEG = CompetitionClass('Beg.')
+        self.ADV = CompetitionClass('Adv.')
+
+        self.mapNames = {
+            'Newc': self.NEWC,
+            'Newc.': self.NEWC,
+            'Newcomer': self.NEWC,
+            'Beg': self.BEG,
+            'Beg.': self.BEG,
+            'Beginner': self.BEG,
+            'Adv': self.ADV,
+            'Adv.': self.ADV,
+            'Advanced': self.ADV,
+        }
+
+    def parseClass(self, cls: str) -> CompetitionClass|CombinedCompetitionClass:
+        match = re.compile('^(\\w+\\.?)/(\\w+\\.?)$').match(cls)
+        if match is not None:
+            clsA = self.mapNames[match.group(1)]
+            clsB = self.mapNames[match.group(2)]
+            return CombinedCompetitionClass(clsA, clsB)
+        else:
+            return self.mapNames[cls]
+    
+    def isPureClass(self, cls: str) -> bool:
+        parsedClass = self.parseClass(cls)
+        return isinstance(parsedClass, CompetitionClass)
diff --git a/src/solo_turnier/group.py b/src/solo_turnier/group.py
new file mode 100644
index 0000000..a9fb538
--- /dev/null
+++ b/src/solo_turnier/group.py
@@ -0,0 +1,47 @@
+import re
+
+class Group:
+    def __init__(self, text: str):
+        self.name = text
+    
+    def __repr__(self):
+        return self.name
+
+class CombinedGroup:
+    def __init__(self, grpA: Group, grpB: Group):
+        self.clsA = grpA
+        self.clsB = grpB
+    
+    def __repr__(self):
+        return f'{self.clsA}/{self.clsB}'
+
+class GroupParser:
+    def __init__(self):
+        self.KIN = Group('Kin.')
+        self.JUN = Group('Jun.')
+        self.JUG = Group('Jug.')
+
+        self.mapNames = {
+            'Kin': self.KIN,
+            'Kin.': self.KIN,
+            'Kinder': self.KIN,
+            'Jun': self.JUN,
+            'Jun.': self.JUN,
+            'Junioren': self.JUN,
+            'Jug': self.JUG,
+            'Jug.': self.JUG,
+            'Jugend': self.JUG,
+        }
+
+    def parseClass(self, cls: str) -> Group|CombinedGroup:
+        match = re.compile('^(\\w+\\.?)/(\\w+\\.?)$').match(cls)
+        if match is not None:
+            grpA = self.mapNames[match.group(1)]
+            grpB = self.mapNames[match.group(2)]
+            return CombinedGroup(grpA, grpB)
+        else:
+            return self.mapNames[cls]
+    
+    def isPureClass(self, cls: str) -> bool:
+        parsedClass = self.parseClass(cls)
+        return isinstance(parsedClass, Group)
diff --git a/src/solo_turnier/tests/test_competition_class.py b/src/solo_turnier/tests/test_competition_class.py
new file mode 100644
index 0000000..1e35687
--- /dev/null
+++ b/src/solo_turnier/tests/test_competition_class.py
@@ -0,0 +1,51 @@
+import solo_turnier.competition_class
+import pytest
+
+@pytest.fixture(params=range(9))
+def fix_pureClass(request):
+    cases = (
+        ('Newc', 'Newc.'),
+        ('Newc.', 'Newc.'),
+        ('Newcomer', 'Newc.'),
+        ('Beg', 'Beg.'),
+        ('Beg.', 'Beg.'),
+        ('Beginner', 'Beg.'),
+        ('Adv', 'Adv.'),
+        ('Adv.', 'Adv.'),
+        ('Advanced', 'Adv.'),
+    )
+    return cases[request.param]
+
+def test_pureClassParsing(fix_pureClass):
+    className = fix_pureClass[0]
+    expected = fix_pureClass[1]
+
+    parser = solo_turnier.competition_class.CompetitionClassParser()
+    ret = parser.parseClass(className)
+
+    assert isinstance(ret, solo_turnier.competition_class.CompetitionClass)
+    assert str(ret) == expected
+
+    assert parser.isPureClass(className)
+
+@pytest.fixture(params=range(4))
+def fix_combinedClass(request):
+    cases = (
+        ('Newc/Beg', 'Newc./Beg.'),
+        ('Newc./Beg', 'Newc./Beg.'),
+        ('Beginner/Adv', 'Beg./Adv.'),
+        ('Beg/Adv', 'Beg./Adv.'),
+    )
+    return cases[request.param]
+
+def test_combinedClassParsing(fix_combinedClass):
+    className = fix_combinedClass[0]
+    expected = fix_combinedClass[1]
+
+    parser = solo_turnier.competition_class.CompetitionClassParser()
+    ret = parser.parseClass(className)
+
+    assert isinstance(ret, solo_turnier.competition_class.CombinedCompetitionClass)
+    assert str(ret) == expected
+
+    assert not parser.isPureClass(className)
diff --git a/src/solo_turnier/tests/test_group.py b/src/solo_turnier/tests/test_group.py
new file mode 100644
index 0000000..09eb5a8
--- /dev/null
+++ b/src/solo_turnier/tests/test_group.py
@@ -0,0 +1,51 @@
+import solo_turnier.group
+import pytest
+
+@pytest.fixture(params=range(9))
+def fix_pureClass(request):
+    cases = (
+        ('Kin', 'Kin.'),
+        ('Kin.', 'Kin.'),
+        ('Kinder', 'Kin.'),
+        ('Jun', 'Jun.'),
+        ('Jun.', 'Jun.'),
+        ('Junioren', 'Jun.'),
+        ('Jug', 'Jug.'),
+        ('Jug.', 'Jug.'),
+        ('Jugend', 'Jug.'),
+    )
+    return cases[request.param]
+
+def test_pureClassParsing(fix_pureClass):
+    className = fix_pureClass[0]
+    expected = fix_pureClass[1]
+
+    parser = solo_turnier.group.GroupParser()
+    ret = parser.parseClass(className)
+
+    assert isinstance(ret, solo_turnier.group.Group)
+    assert str(ret) == expected
+
+    assert parser.isPureClass(className)
+
+@pytest.fixture(params=range(4))
+def fix_combinedClass(request):
+    cases = (
+        ('Kin/Jun', 'Kin./Jun.'),
+        ('Kin./Jun', 'Kin./Jun.'),
+        ('Junioren/Jug', 'Jun./Jug.'),
+        ('Jun/Jug', 'Jun./Jug.'),
+    )
+    return cases[request.param]
+
+def test_combinedClassParsing(fix_combinedClass):
+    className = fix_combinedClass[0]
+    expected = fix_combinedClass[1]
+
+    parser = solo_turnier.group.GroupParser()
+    ret = parser.parseClass(className)
+
+    assert isinstance(ret, solo_turnier.group.CombinedGroup)
+    assert str(ret) == expected
+
+    assert not parser.isPureClass(className)