Event: D&DCL Div 1

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Opponent	Rating	Result
John C Tompson	2054	0 - 1
Simon N Gilmore	2060	½ - ½
Neil Graham	1781	½ - ½

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

1832 = (5895 + 400 * (0 - 1)) / 3)