Event: Hepolite (Rapidplay)

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Opponent	Rating	Result
Dennis Palframan	1428	1 - 0
Dennis Palframan	1428	1 - 0
Paul Butterworth	1869	1 - 0
Paul Butterworth	1869	1 - 0
Charlie Wainwright	1612	½ - ½
Charlie Wainwright	1612	½ - ½

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

1903 = (9818 + 400 * (4 - 0)) / 6)