Event: Spring OTB Division 2

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Opponent	Rating	Result
John S Reed	1941	½ - ½
Allan Gardner	1881	½ - ½
David Kierman	1751	1 - 0

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

1991 = (5573 + 400 * (1 - 0)) / 3)