Event: Larry Guard League

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Opponent	Rating	Result
Gerard T'hart	1701	½ - ½
Paul Green	1364	1 - 0
T Klaus Tekniepe	1349	1 - 0
Nick Down	1481	1 - 0
T Klaus Tekniepe	1349	1 - 0
Paul Green	1364	0 - 1
Jake Martin	1890	0 - 1
Nick Down	1481	1 - 0
Christopher D Peacock	1465	1 - 0
Gerard T'hart	1701	0 - 1
Christopher D Peacock	1465	½ - ½

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

1619 = (16610 + 400 * (6 - 3)) / 11)