# from G254
import json
from pathlib import Path
from island.match import Match
from island.matches import Matches

count = 0
players = set()

# ms = Matches.from_profile('CCCN')
ms = Matches.from_profile_expr(lambda r: True)
for m in ms.data:
    for r in m.query('neighbor', 'create').raw_data:
        count += 2
        players.add(r['a'])
        players.add(r['b'])

print("participants: %d, degree: %d, avg: %f" % (len(players), count, count / len(players)))