Event: IM Brown

Opponent Rating Result
Angelica Rowe 1531 1 - 0
Alec Ward 1718 1 - 0
Paul Butterworth 1777 0 - 1
Peter Gregory 1567 ½ - ½
David W Stephenson 1840 ½ - ½
Michael I Connor 1790 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1837 = (10223 + 400 * (3 - 1)) / 6)

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