Event: Individual Rapidplay

Opponent Rating Result
Richard George 1944 0 - 1
David Lacey 1752 0 - 1
Thomas Brown 0 1 - 0
Benjamin Lappin 1794 0 - 1
Ian Gambles 1736 0 - 1
Alun Richards 1734 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1227 = (8960 + 400 * (1 - 5)) / 6)

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