Event: Division 4

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Opponent	Rating	Result
Yui Wah Lee	0	1 - 0
John Stubbs	1301	1 - 0
Thomas Booth	1393	0 - 1

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

1031 = (2694 + 400 * (2 - 1)) / 3)