Event: South Cheshire Shield

Opponent Rating Result
Joshua Mullane 1200 0 - 1
Stephen Brown 1381 ½ - ½
Neil Hankey 1095 0 - 1
Raymond F Rhodes 1236 1 - 0
Pawel Stanny 1385 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1099 = (6297 + 400 * (1 - 3)) / 5)

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