Event: Division Five

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Opponent	Rating	Result
Steve Palla	1090	½ - ½
Iulian Vaduva	0	0 - 1
Rajeev Kumar	1330	1 - 0
Andy Tipper	1413	½ - ½
Ross J Evans	1465	0 - 1
David M Cotterell	1540	½ - ½
Xander I Bloom	1629	0 - 1
John Grant	1619	1 - 0

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

1211 = (10086 + 400 * (2 - 3)) / 8)