alert.py

import requests
import time

url = "https://2015.legitbs.net/scoreboard#"

cur = ""
html = requests.get(url).text
tmp = html.split('\n')
for c in tmp:
    if "class='locked'" in c:
        cur += c

while (1):
    time.sleep(60)
    res = ""
    try:
        html = requests.get(url).text
    except:
        continue
    tmp = html.split('\n')
    for c in tmp:
        if "class='locked'" in c:
            res += c

    if res != cur:
        pass # do something

        cur = res