Event: Club Championship

Opponent Rating Result
Phillip Parnell 1328 ½ - ½
Richard Bailey 1509 0 - 1
Rob Payne 1248 ½ - ½
Gary Haycock 1259 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1136 = (5344 + 400 * (0 - 2)) / 4)

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