Event: SCL Div 2

Opponent Rating Result
Martin L Newbury 1926 ½ - ½
Steven Edwin Jones 1741 0 - 1
Peter J Eales 1480 0 - 1
Bob A Cleave 1605 1 - 0
Eric M Jones 1757 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1542 = (8509 + 400 * (1 - 3)) / 5)

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