Event: 1st Cornwall Online Summer Congress

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Opponent	Rating	Result
Richard Hendin	1272	1 - 0
Richard Hendin	1272	1 - 0
Martin Pope	1718	0 - 1
Martin Pope	1718	½ - ½
Lloyd Retallick	2009	0 - 1
Lloyd Retallick	2009	½ - ½
Maria Evdokimova	1375	1 - 0
Maria Evdokimova	1375	1 - 0
Philip May	1461	1 - 0
Philip May	1461	½ - ½

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

1687 = (15670 + 400 * (5 - 2)) / 10)