NHL B-T Power Rankings

import math
import csv

teams = ['CHI',
         'COL',
         'DAL',
         'MIN',
         'NSH',
         'STL',
         'WPG',
         'ANA',
         'CGY',
         'EDM',
         'LAK',
         'PHX',
         'SJS',
         'VAN',
         'BOS',
         'BUF',
         'DET',
         'FLA',
         'MTL',
         'OTT',
         'TBL',
         'TOR',
         'CAR',
         'CBJ',
         'NJD',
         'NYR',
         'NYI',
         'PHI',
         'PIT',
         'WSH']

krach = [100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100,
         100]

new_krach = [100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100,
             100]

wins = [0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0]

RRWP = [0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0]

SOS = [0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0,
       0]

GP = [0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0]

games = [[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
         [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]

with open([put your game results csv filepath here], newline='') as results:
    game_result = csv.reader(results, delimiter=',')
    for row in game_result:
        if row[1] == 'Chicago Blackhawks':
            away = 0
        elif row[1] == 'Colorado Avalanche':
            away = 1
        elif row[1] == 'Dallas Stars':
            away = 2
        elif row[1] == 'Minnesota Wild':
            away = 3
        elif row[1] == 'Nashville Predators':
            away = 4
        elif row[1] == 'St. Louis Blues':
            away = 5
        elif row[1] == 'Winnipeg Jets':
            away = 6
        elif row[1] == 'Anaheim Ducks':
            away = 7
        elif row[1] == 'Calgary Flames':
            away = 8
        elif row[1] == 'Edmonton Oilers':
            away = 9
        elif row[1] == 'Los Angeles Kings':
            away = 10
        elif row[1] == 'Phoenix Coyotes':
            away = 11
        elif row[1] == 'San Jose Sharks':
            away = 12
        elif row[1] == 'Vancouver Canucks':
            away = 13
        elif row[1] == 'Boston Bruins':
            away = 14
        elif row[1] == 'Buffalo Sabres':
            away = 15
        elif row[1] == 'Detroit Red Wings':
            away = 16
        elif row[1] == 'Florida Panthers':
            away = 17
        elif row[1] == 'Montreal Canadiens':
            away = 18
        elif row[1] == 'Ottawa Senators':
            away = 19
        elif row[1] == 'Tampa Bay Lightning':
            away = 20
        elif row[1] == 'Toronto Maple Leafs':
            away = 21
        elif row[1] == 'Carolina Hurricanes':
            away = 22
        elif row[1] == 'Columbus Blue Jackets':
            away = 23
        elif row[1] == 'New Jersey Devils':
            away = 24
        elif row[1] == 'New York Rangers':
            away = 25
        elif row[1] == 'New York Islanders':
            away = 26
        elif row[1] == 'Philadelphia Flyers':
            away = 27
        elif row[1] == 'Pittsburgh Penguins':
            away = 28
        else:
            away = 29

        if row[3] == 'Chicago Blackhawks':
            home = 0
        elif row[3] == 'Colorado Avalanche':
            home = 1
        elif row[3] == 'Dallas Stars':
            home = 2
        elif row[3] == 'Minnesota Wild':
            home = 3
        elif row[3] == 'Nashville Predators':
            home = 4
        elif row[3] == 'St. Louis Blues':
            home = 5
        elif row[3] == 'Winnipeg Jets':
            home = 6
        elif row[3] == 'Anaheim Ducks':
            home = 7
        elif row[3] == 'Calgary Flames':
            home = 8
        elif row[3] == 'Edmonton Oilers':
            home = 9
        elif row[3] == 'Los Angeles Kings':
            home = 10
        elif row[3] == 'Phoenix Coyotes':
            home = 11
        elif row[3] == 'San Jose Sharks':
            home = 12
        elif row[3] == 'Vancouver Canucks':
            home = 13
        elif row[3] == 'Boston Bruins':
            home = 14
        elif row[3] == 'Buffalo Sabres':
            home = 15
        elif row[3] == 'Detroit Red Wings':
            home = 16
        elif row[3] == 'Florida Panthers':
            home = 17
        elif row[3] == 'Montreal Canadiens':
            home = 18
        elif row[3] == 'Ottawa Senators':
            home = 19
        elif row[3] == 'Tampa Bay Lightning':
            home = 20
        elif row[3] == 'Toronto Maple Leafs':
            home = 21
        elif row[3] == 'Carolina Hurricanes':
            home = 22
        elif row[3] == 'Columbus Blue Jackets':
            home = 23
        elif row[3] == 'New Jersey Devils':
            home = 24
        elif row[3] == 'New York Rangers':
            home = 25
        elif row[3] == 'New York Islanders':
            home = 26
        elif row[3] == 'Philadelphia Flyers':
            home = 27
        elif row[3] == 'Pittsburgh Penguins':
            home = 28
        else:
            home = 29

        if row[2] == row [4]:
            yep = 0
        else:
            games[home][away] = games[home][away] + 1
            games[away][home] = games[away][home] + 1
            GP[home] = GP[home] + 1
            GP[away] = GP[away] + 1

            if row[5] == 'SO':
                wins[away] = wins[away] + 0.5
                wins[home] = wins[home] + 0.5
            elif row[2] > row[4]:
                wins[away] = wins[away] + 1
            else:
                wins[home] = wins[home] + 1

good = 0

while good != 1:
    for team in range(30):
        sum = 0
        for opp in range(30):
            sum = sum + (krach[team]*games[team][opp])/(krach[team]+krach[opp])
        new_krach[team] = (wins[team]/sum)*krach[team]
        ratio = new_krach[team]/krach[team]
        abs_difference = math.fabs(1-ratio)
        if abs_difference <= 0.00001:
            good = 1
        else:
            good = 0
        krach[team] = new_krach[team]

for int in range(10):
    scale_wins = 0
    for team in range(30):
        scale_wins = scale_wins + 100/(100 + krach[team])
    scale = scale_wins/15

    for team in range(30):
        krach[team] = krach[team] * scale

for team in range(30):
    RRW = 0
    for opp in range(30):
        if team == opp:
            RRW = RRW
        else:
            RRW = RRW + krach[team]/(krach[team]+krach[opp])
    RRWP[team] = RRW/29
    SOS[team] = krach[team] * (GP[team] - wins[team])/wins[team]

for row in range(30):
    print(teams[row],
          str(round(krach[row],2)).rjust(7),
          str(round(RRWP[row],4)).rjust(6),
          str(round(SOS[row],2)).rjust(7))

output = open('[put your output filepath here]', 'w')

for row in range(30):
    output.write(str(krach[row]))
    output.write('\n')