Event: Division 2

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Opponent	Rating	Result
Ray Sawyer	1614	1 - 0
Tom Woodhall	1476	1 - 0
Peter FK Evans	1337	0 - 1

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

1609 = (4427 + 400 * (2 - 1)) / 3)