Event: 6-Board Division 2

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Opponent	Rating	Result
Steve King	1465	½ - ½
Neil Hambly	1447	0 - 1
Sean Smith	1150	½ - ½

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

1221 = (4062 + 400 * (0 - 1)) / 3)