diff --git a/src/kasu/settings.py b/src/kasu/settings.py
index ea63e90..111e0f9 100644
--- a/src/kasu/settings.py
+++ b/src/kasu/settings.py
@@ -229,7 +229,7 @@ LOGGING = {
     'loggers': {
         'django': {
             'handlers': ['console'],
-            'level': 'INFO',
+            'level': 'DEBUG',
             'propagate': True,
         },
         'django.request': {
@@ -246,6 +246,20 @@ LOGGING = {
     }
 }
 
+################################
+# Settings for mahjong_ranking #
+################################
+
+MIN_HANCHANS_FOR_LADDER = 5
+RANKING_EXPORT_PATH = path.join(PROJECT_PATH, 'backup', 'mahjong_ranking')
+
+# Old Tournament System
+TOURNAMENT_POINT_SYSTEM = True
+TOURNAMENT_WIN_BONUSPOINTS = 4
+TOURNAMENT_FLAWLESS_VICTORY_BONUSPOINTS = 8
+
+# Old Dan System
+DAN_ALLOW_DROP_DOWN = True
 DAN_RANKS = (
     (80, 9),
     (70, 8),
@@ -255,7 +269,7 @@ DAN_RANKS = (
     (30, 4),
     (20, 3),
     (10, 2),
-    (0, 1),
+    (-1, 1),
 )
 
 KYU_RANKS = (
@@ -268,13 +282,9 @@ KYU_RANKS = (
     (15, 7),
     (10, 8),
     (5, 9),
-    (0, 10),
+    (-1, 10),
 )
 
-DAN_ALLOW_DROP_DOWN = True
-MIN_HANCHANS_FOR_LADDER = 5
-RANKING_EXPORT_PATH = path.join(PROJECT_PATH, 'backup', 'mahjong_ranking')
-
 try:
     from .local_settings import *  # Ignore PyLintBear (W0401, W0614)
 except ImportError: