diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app.py b/app.py
index 7544776..8e7d1be 100644
--- a/app.py
+++ b/app.py
@@ -1,11 +1,18 @@
 import os
 
 from flask import Flask
+
+# ! SQLAlchemy > Marshmallow - these must be imported in this order
 from flask_sqlalchemy import SQLAlchemy
 from flask_marshmallow import Marshmallow
+
 from flask_migrate import Migrate
 
+from flask_bcrypt import Bcrypt
+from flask_cors import CORS
+
 app = Flask(__name__)
+CORS(app)
 
 # base directory
 basedir = os.path.abspath(os.path.dirname(__file__))
@@ -17,13 +24,26 @@ DATABASE = 'postgresql://localhost/browser-go'
 app.config['SQLALCHEMY_DATABASE_URI'] = DATABASE
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 
+#init bcrypt
+bcrypt = Bcrypt(app)
+
 # init database
 db = SQLAlchemy(app)
-migrate = Migrate(app, db)
 
 # init marshmallow
 ma = Marshmallow(app)
 
+# init all db models
+from .models.User import User
+from .models.GameRoom import GameRoom
+from .models.TimeSettings import TimeSettings
+from .models.Game import Game
+from .models.Move import Move
+from .models.Message import Message
+
+migrate = Migrate(app, db)
+
+
 # dev server
 DEBUG = True
 PORT = 8000
diff --git a/migrations/versions/9519d28f13f0_.py b/migrations/versions/9519d28f13f0_.py
new file mode 100644
index 0000000..1f327ae
--- /dev/null
+++ b/migrations/versions/9519d28f13f0_.py
@@ -0,0 +1,109 @@
+"""empty message
+
+Revision ID: 9519d28f13f0
+Revises: 
+Create Date: 2019-10-02 13:54:17.877590
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '9519d28f13f0'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('game_rooms',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(length=40), nullable=False),
+    sa.Column('description', sa.String(length=200), nullable=False),
+    sa.Column('private', sa.Boolean(), nullable=False),
+    sa.Column('language', sa.Enum(name='languages'), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('time_settings',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('main_time', sa.Enum('BYOYOMI', 'ABSOLUTE', 'HOURGLASS', 'NONE', name='timetypes'), nullable=False),
+    sa.Column('time_period', sa.Integer(), nullable=True),
+    sa.Column('period_length', sa.Integer(), nullable=True),
+    sa.Column('overtime', sa.Enum('BYOYOMI', 'ABSOLUTE', 'HOURGLASS', 'NONE', name='timetypes'), nullable=False),
+    sa.Column('overtime_period', sa.Integer(), nullable=True),
+    sa.Column('overtime_length', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('users',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('email', sa.String(length=255), nullable=False),
+    sa.Column('password', sa.DateTime(), nullable=False),
+    sa.Column('registered_on', sa.DateTime(), nullable=False),
+    sa.Column('admin', sa.Boolean(), nullable=False),
+    sa.Column('rank', sa.Enum('D7', 'D6', 'D5', 'D4', 'D3', 'D2', 'D1', 'K1', 'K2', 'K3', 'K4', 'K5', 'K6', 'K7', 'K8', 'K9', 'K10', 'K11', 'K12', 'K13', 'K14', 'K15', 'K16', 'K17', 'K18', 'K19', 'K20', 'K21', 'K22', 'K23', 'K24', 'K25', 'K26', 'K27', 'K28', 'K29', 'K30', name='ranks'), nullable=True),
+    sa.Column('elo', sa.Integer(), nullable=True),
+    sa.Column('rank_certainty', sa.Boolean(), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('email')
+    )
+    op.create_table('games',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('date', sa.DateTime(), nullable=True),
+    sa.Column('komi', sa.Numeric(precision=2, scale=1), nullable=False),
+    sa.Column('handicap', sa.Integer(), nullable=False),
+    sa.Column('board_size', sa.Integer(), nullable=False),
+    sa.Column('win_type', sa.Enum('DRAW', 'RESIGN', 'SCORE', 'TIME', 'VOID', name='wintype'), nullable=True),
+    sa.Column('winner', sa.Enum('BLACK', 'WHITE', 'VOID', name='players'), nullable=True),
+    sa.Column('score', sa.Numeric(precision=2, scale=1), nullable=True),
+    sa.Column('white_captures', sa.Integer(), nullable=True),
+    sa.Column('black_captures', sa.Integer(), nullable=True),
+    sa.Column('application', sa.String(length=40), nullable=True),
+    sa.Column('application_version', sa.String(length=20), nullable=True),
+    sa.Column('event', sa.String(length=40), nullable=True),
+    sa.Column('name', sa.String(length=40), nullable=True),
+    sa.Column('description', sa.String(length=200), nullable=True),
+    sa.Column('round', sa.Integer(), nullable=True),
+    sa.Column('game_room', sa.Integer(), nullable=True),
+    sa.Column('time_settings', sa.Integer(), nullable=True),
+    sa.Column('player_black', sa.Integer(), nullable=True),
+    sa.Column('player_white', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['game_room'], ['game_rooms.id'], ),
+    sa.ForeignKeyConstraint(['player_black'], ['users.id'], ),
+    sa.ForeignKeyConstraint(['player_white'], ['users.id'], ),
+    sa.ForeignKeyConstraint(['time_settings'], ['time_settings.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('moves',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('player', sa.Enum('BLACK', 'WHITE', name='players'), nullable=True),
+    sa.Column('x_point', sa.Integer(), nullable=True),
+    sa.Column('y_point', sa.Integer(), nullable=True),
+    sa.Column('move_number', sa.Integer(), nullable=True),
+    sa.Column('game', sa.Integer(), nullable=False),
+    sa.Column('preceding_move', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['game'], ['games.id'], ),
+    sa.ForeignKeyConstraint(['preceding_move'], ['moves.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('messages',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('date', sa.DateTime(), nullable=False),
+    sa.Column('content', sa.String(length=200), nullable=False),
+    sa.Column('move', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['move'], ['moves.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('messages')
+    op.drop_table('moves')
+    op.drop_table('games')
+    op.drop_table('users')
+    op.drop_table('time_settings')
+    op.drop_table('game_rooms')
+    # ### end Alembic commands ###
diff --git a/models/Branch.py b/models/Branch.py
deleted file mode 100644
index 72f717f..0000000
--- a/models/Branch.py
+++ /dev/null
@@ -1,6 +0,0 @@
-from ..app import db, ma
-
-class Branch(db.Model):
-        __table_args__ = {'extend_existing': True}
-
-    id = db.Column(db.Integer, primary_key=True)
\ No newline at end of file
diff --git a/models/Game.py b/models/Game.py
index 65d366c..f8ec676 100644
--- a/models/Game.py
+++ b/models/Game.py
@@ -4,6 +4,7 @@ import enum
 class Players(enum.Enum):
     BLACK = "The player taking black stones"
     WHITE = "The player taking white stones"
+    VOID = "The game was a draw or voided"
 
 class WinType(enum.Enum):
     DRAW = "The game is a draw"
@@ -13,16 +14,17 @@ class WinType(enum.Enum):
     VOID = "The game was suspended"
 
 class Game(db.Model):
-        __table_args__ = {'extend_existing': True}
+    __tablename__ = "games"
+    __table_args__ = {'extend_existing': True}
 
-    id = db.Column(db.Integer, primary_key=True)
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
     date = db.Column(db.DateTime())
-    komi = db.Column(db.Decimal(2,1))
-    handicap = db.Column(db.Integer)
-    board_size = db.Column(db.Integer)
+    komi = db.Column(db.Numeric(2,1), nullable=False)
+    handicap = db.Column(db.Integer, nullable=False)
+    board_size = db.Column(db.Integer, nullable=False)
     win_type = db.Column(db.Enum(WinType))
     winner = db.Column(db.Enum(Players))
-    score = db.Column(db.Decimal(2,1))
+    score = db.Column(db.Numeric(2,1))
     white_captures = db.Column(db.Integer)
     black_captures = db.Column(db.Integer)
     application = db.Column(db.String(40))
@@ -30,13 +32,13 @@ class Game(db.Model):
     event = db.Column(db.String(40))
     name = db.Column(db.String(40))
     description = db.Column(db.String(200))
-    round = db.Column(db.Integer())
+    round = db.Column(db.Integer)
     
     # foreign keys
-    # game_room
-    # time_settings
-    # player_black
-    # player_white
+    game_room = db.Column(db.Integer, db.ForeignKey("game_rooms.id"))
+    time_settings = db.Column(db.Integer, db.ForeignKey("time_settings.id"))
+    player_black = db.Column(db.Integer, db.ForeignKey("users.id"))
+    player_white = db.Column(db.Integer, db.ForeignKey("users.id"))
 
     def __init__(self):
         pass
\ No newline at end of file
diff --git a/models/GameRoom.py b/models/GameRoom.py
index be88609..5da8f4e 100644
--- a/models/GameRoom.py
+++ b/models/GameRoom.py
@@ -5,12 +5,14 @@ class Languages(enum.Enum):
     EN: "English"
 
 class GameRoom(db.Model):
-        __table_args__ = {'extend_existing': True}
+    __tablename__ = "game_rooms"
+    __table_args__ = {'extend_existing': True}
 
-    name = db.Column(db.String(40))
-    description = db.Column(db.String(200))
-    private = db.Column(db.Boolean())
-    language = db.Column(db.Enum(Languages))
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    name = db.Column(db.String(40), nullable=False)
+    description = db.Column(db.String(200), nullable=False)
+    private = db.Column(db.Boolean(), nullable=False, default=False)
+    language = db.Column(db.Enum(Languages), nullable=False)
 
     def __init__(self):
         pass
\ No newline at end of file
diff --git a/models/Message.py b/models/Message.py
index 0c50d42..7a273a4 100644
--- a/models/Message.py
+++ b/models/Message.py
@@ -6,14 +6,15 @@ class Players(enum.Enum):
     WHITE = "The player taking white stones"
 
 class Message(db.Model):
-        __table_args__ = {'extend_existing': True}
+    __tablename__ = "messages"
+    __table_args__ = {'extend_existing': True}
 
-    id = db.Column(db.Integer, primary_key=True)
-    date = db.Column(db.DateTime())
-    content = db.Column(db.String(200))
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    date = db.Column(db.DateTime(), nullable=False)
+    content = db.Column(db.String(200), nullable=False)
 
-    # foreing key
-    move = db.Column(db.Integer, db.ForeignKey("move.id"))
+    # foreign key
+    move = db.Column(db.Integer, db.ForeignKey("moves.id"), nullable=False)
 
     def __init__(self):
         pass
\ No newline at end of file
diff --git a/models/Move.py b/models/Move.py
index f3e8396..dc71f49 100644
--- a/models/Move.py
+++ b/models/Move.py
@@ -5,17 +5,19 @@ class Players(enum.Enum):
     BLACK = "The player taking black stones"
     WHITE = "The player taking white stones"
 
-class Branch(db.Model):
-        __table_args__ = {'extend_existing': True}
+class Move(db.Model):
+    __tablename__ = "moves"
+    __table_args__ = {'extend_existing': True}
 
-    id = db.Column(db.Integer, primary_key=True)
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
     player = db.Column(db.Enum(Players))
     x_point = db.Column(db.Integer)
     y_point = db.Column(db.Integer)
     move_number = db.Column(db.Integer)
 
     # foreign keys
-    game = db.Column(db.Integer, db.ForeignKey("game.id"))
+    game = db.Column(db.Integer, db.ForeignKey("games.id"), nullable=False)
+    preceding_move = db.Column(db.Integer, db.ForeignKey("moves.id"))
 
     def __init__(self):
         pass
\ No newline at end of file
diff --git a/models/TimeSettings.py b/models/TimeSettings.py
index 1a18d04..bdf142e 100644
--- a/models/TimeSettings.py
+++ b/models/TimeSettings.py
@@ -8,18 +8,16 @@ class TimeTypes(enum.Enum):
     NONE = "Untimed"
 
 class TimeSettings(db.Model):
-        __table_args__ = {'extend_existing': True}
+    __table_args__ = {'extend_existing': True}
 
-    id = db.Column(db.Integer, primary_key=True)
-    main_time = db.Column(db.Enum(Time))
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    main_time = db.Column(db.Enum(TimeTypes), nullable=False)
     time_period = db.Column(db.Integer) # number of periods
     period_length = db.Column(db.Integer) # seconds
-    overtime = db.Column(db.Enum())
+    overtime = db.Column(db.Enum(TimeTypes), nullable=False)
     overtime_period = db.Column(db.Integer) # number of overtime periods
     overtime_length = db.Column(db.Integer) # seconds
 
-    # foreing key
-    game = db.Column(db.Integer, db.ForeignKey("game.id"))
 
     def __init__(self):
         pass
\ No newline at end of file
diff --git a/models/User.py b/models/User.py
index e69de29..b2888eb 100644
--- a/models/User.py
+++ b/models/User.py
@@ -0,0 +1,58 @@
+from ..app import db, ma, bcrypt
+import enum
+
+class Ranks(enum.Enum): # with minimal Elo rating
+    D7 = "Seven Dan" # Elo 2700+
+    D6 = "Six Dan"
+    D5 = "Five Dan" # Elo 2500
+    D4 = "Four Dan"
+    D3 = "Three Dan"
+    D2 = "Two Dan"
+    D1 = "One Dan"
+    K1 = "One Kyu" # Elo 2000
+    K2 = "Two Kyu"
+    K3 = "Three Kyu"
+    K4 = "Four Kyu"
+    K5 = "Five Kyu"
+    K6 = "Six Kyu" # Elo 1500
+    K7 = "Seven Kyu"
+    K8 = "Eight Kyu"
+    K9 = "Nine Kyu"
+    K10 = "Ten Kyu"
+    K11 = "Eleven Kyu" # ELo 1000
+    K12 = "Twelve Kyu"
+    K13 = "Thirteen Kyu"
+    K14 = "Fourteen Kyu"
+    K15 = "Fifteen Kyu"
+    K16 = "Sixteen Kyu" # Elo 500
+    K17 = "Seventeen Kyu"
+    K18 = "Eighteen Kyu"
+    K19 = "Nineteen Kyu"
+    K20 = "Twenty Kyu"
+    K21 = "Twenty-One Kyu" # Elo 0
+    K22 = "Twenty-Two Kyu"
+    K23 = "Twenty-Three Kyu"
+    K24 = "Twenty-Four Kyu"
+    K25 = "Twenty-Five Kyu"
+    K26 = "Twenty-Six Kyu" # Elo -500
+    K27 = "Twenty-Seven Kyu"
+    K28 = "Twenty-Eight Kyu"
+    K29 = "Twenty-Nine Kyu"
+    K30 = "Thirty Kyu" # Elo -900
+
+class User(db.Model):
+    __tablename__ = "users"
+
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    email = db.Column(db.String(255), unique=True, nullable=False)
+    password = db.Column(db.DateTime, nullable=False)
+    registered_on = db.Column(db.DateTime, nullable=False)
+    admin = db.Column(db.Boolean, nullable=False, default=False)
+    rank = db.Column(db.Enum(Ranks))
+    elo = db.Column(db.Integer)
+    rank_certainty = db.Column(db.Boolean, nullable=False, default=False)
+
+    def __init__(self):
+        self.password = bcrypt.generate_password_hash(
+            password, app.config.get('BCRYPT_LOG_ROUNDS')
+        ).decode()
diff --git a/requirements.txt b/requirements.txt
index 454ea1d..547158f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,19 +1,31 @@
 alembic==1.2.1
+astroid==2.3.1
+bcrypt==3.1.7
+cffi==1.12.3
 Click==7.0
 Flask==1.1.1
+Flask-Bcrypt==0.7.1
 Flask-Cors==3.0.8
 flask-marshmallow==0.10.1
 Flask-Migrate==2.5.2
 Flask-SQLAlchemy==2.4.1
+isort==4.3.21
 itsdangerous==1.1.0
 Jinja2==2.10.1
+lazy-object-proxy==1.4.2
 Mako==1.1.0
 MarkupSafe==1.1.1
 marshmallow==3.2.0
 marshmallow-sqlalchemy==0.19.0
+mccabe==0.6.1
 numpy==1.17.2
+psycopg2==2.8.3
+pycparser==2.19
+pylint==2.4.2
 python-dateutil==2.8.0
 python-editor==1.0.4
 six==1.12.0
 SQLAlchemy==1.3.8
+typed-ast==1.4.0
 Werkzeug==0.16.0
+wrapt==1.11.2