Event: U1650 Cup

Opponent Rating Result
Gary Hemsworth 1600 ½ - ½
Alan J Lewis 1517 0 - 1
Daniel Pugh 1669 1 - 0
Alan J Lewis 1527 ½ - ½
Matthew Lawes-Wickwar 1612 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1505 = (7925 + 400 * (1 - 2)) / 5)

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