Event: Division 1

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Opponent	Rating	Result
Ben Rich	1925	0 - 1
AJ (Tony) Slinger	1877	½ - ½
Rob Lockwood	1843	0 - 1

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

1615 = (5645 + 400 * (0 - 2)) / 3)