Event: Individual Results Sent For Grading

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Opponent	Rating	Result
Peter A Bassett	1397	½ - ½
Bob Amos	1578	0 - 1
Peter A Bassett	1389	0 - 1

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

1188 = (4364 + 400 * (0 - 2)) / 3)