Event: Hepolite (Rapidplay)

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Opponent	Rating	Result
Simon Jones	1318	1 - 0
Simon Jones	1318	½ - ½
Ed Strudwick	0	1 - 0
Ed Strudwick	0	½ - ½
Jatinder Singh	1433	0 - 1
Jatinder Singh	1433	½ - ½
William Boothman	1750	½ - ½
William Boothman	1750	0 - 1

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

1125 = (9002 + 400 * (2 - 2)) / 8)