Event: D&DCL Div 1

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Opponent	Rating	Result
Simon N Gilmore	2110	0 - 1
Paul Madden	2106	0 - 1
Peter JE Ackley	2107	½ - ½

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

1841 = (6323 + 400 * (0 - 2)) / 3)