diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/match.py b/match.py
new file mode 100644
index 0000000..7cf1b2c
--- /dev/null
+++ b/match.py
@@ -0,0 +1,10 @@
+from team import Team
+
+class Match:
+    def __init__(self, match_id, team1: Team, team2: Team, match_date, venue):
+        self.match_id = match_id
+        self.team1 = team1
+        self.team2 = team2
+        self.match_date = match_date
+        self.venue = venue
+        self.questions = {} # qid: question
\ No newline at end of file
diff --git a/player.py b/player.py
new file mode 100644
index 0000000..89359c5
--- /dev/null
+++ b/player.py
@@ -0,0 +1,5 @@
+class Player:
+    def __init__(self, player_id, name, role):
+        self.player_id = player_id
+        self.name = name
+        self.role = role
\ No newline at end of file
diff --git a/team.py b/team.py
new file mode 100644
index 0000000..6603e36
--- /dev/null
+++ b/team.py
@@ -0,0 +1,8 @@
+class Team:
+    def __init__(self, team_id, name):
+        self.team_id = team_id
+        self.name = name
+        self.players = []
+
+    def add_player(self, player):
+        self.players.append(player)
diff --git a/tournament.py b/tournament.py
new file mode 100644
index 0000000..89383b9
--- /dev/null
+++ b/tournament.py
@@ -0,0 +1,10 @@
+class Tournament:
+    def __init__(self, tournament_id, name, start_date, end_date):
+        self.tournament_id = tournament_id
+        self.name = name
+        self.start_date = start_date
+        self.end_date = end_date
+        self.matches = []
+
+    def add_match(self, match):
+        self.matches.append(match)