Event: SCL Div 2

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Opponent	Rating	Result
Simon Gates	1319	1 - 0
Gillian A Moore	1660	½ - ½
Peter J Eales	1500	0 - 1

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

1493 = (4479 + 400 * (1 - 1)) / 3)