Event: Thornaby Junior Chess Open Under 18

Opponent Rating Result
Hubert Hildebrandt 0 1 - 0
Ravleen Singh 901 1 - 0
Steven Clark 1383 0 - 1
George Butterworth 1099 0 - 1
Zac Gillott 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

597 = (3383 + 400 * (2 - 3)) / 5)

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