Event: Morpeth Xmas Rapidplay

Opponent Rating Result
Jose Grueso 1707 0 - 1
Michael Clarke 1531 1 - 0
Dave L Ramsey 1585 0 - 1
Andrew Hardy 1434 0 - 1
Chris Hayfield 0 0 - 1
Stephen G O'Neill 1534 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1032 = (7791 + 400 * (1 - 5)) / 6)

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