Event: Middlesbrough Club Championship

Opponent Rating Result
Giuseppe Magazzu 1971 0 - 1
Christopher Rumsey 1418 1 - 0
Nikhil Bhandari 1740 0 - 1
Ian G Miller 1605 ½ - ½
Andrew Salter 900 1 - 0
P Ged Murphy 1541 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1529 = (9175 + 400 * (2 - 2)) / 6)

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