Event: Senior School House Chess Competition

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Opponent	Rating	Result
Ben Bryan Bennett	1216	1 - 0
Zuhayr Nabil	0	0 - 1
James Bowden	1397	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

738 = (2613 + 400 * (1 - 2)) / 3)