Event: IM Brown

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Opponent	Rating	Result
Paul Butterworth	1717	0 - 1
John Foo	1508	0 - 1
Peter Gregory	1562	½ - ½
Bryan Hesler	1759	1 - 0
Dominic Gallagher	1655	½ - ½
Oliver Graham	1909	1 - 0
Angelica Rowe	1623	1 - 0
Sylvan Clarke	1313	½ - ½

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

1681 = (13046 + 400 * (3 - 2)) / 8)