Event: E (2) Division

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Opponent	Rating	Result
David Peatfield	1283	1 - 0
Richard Leyshon	1300	1 - 0
Sachin Osmond	1100	1 - 0

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

1628 = (3683 + 400 * (3 - 0)) / 3)