Event: Senior School House Chess Competition

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Opponent	Rating	Result
Ethan Wood	1383	1 - 0
Richard Lee	1484	1 - 0
Dawood Mufti	893	1 - 0

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

1653 = (3760 + 400 * (3 - 0)) / 3)