Event: 1675 Inter Members Team Championship

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Opponent	Rating	Result
Andrew H Heard	1855	1 - 0
John Richardson	1750	½ - ½
Jay Sharman	1608	½ - ½

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

1871 = (5213 + 400 * (1 - 0)) / 3)