Event: Robert Ward Plate

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Opponent	Rating	Result
Peter J R Oliver	1619	1 - 0
Chris M Cox	1579	1 - 0
Philip Sykes	1562	1 - 0

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

1987 = (4760 + 400 * (3 - 0)) / 3)