Event: Hepolite (Rapidplay)

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Opponent	Rating	Result
Oliver Tatlow	1791	1 - 0
Oliver Tatlow	1791	½ - ½
Adamjeet Singh	1372	½ - ½
Adamjeet Singh	1372	0 - 1
Keith Marsh	1603	0 - 1
Keith Marsh	1603	0 - 1
Bill Tait	1625	0 - 1
Bill Tait	1625	0 - 1

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

1398 = (12782 + 400 * (1 - 5)) / 8)