Event: Open

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Opponent	Rating	Result
Jeff A Goldberg	2152	½ - ½
Carsten Pedersen	0	½ - ½
D Brett Lund	2230	½ - ½

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

1461 = (4382 + 400 * (0 - 0)) / 3)