Event: Morpeth Summer Rapidplay

Opponent Rating Result
Mick J Renshaw 1499 0 - 1
Mick J Renshaw 1499 1 - 0
Alan Welsh 1747 1 - 0
Alan Welsh 1747 0 - 1
David M Watson 1425 1 - 0
David M Watson 1425 ½ - ½
Alan Welsh 1700 0 - 1
Alan Welsh 1700 0 - 1
Alan Welsh 1700 0 - 1
Robert PC Mitcheson 1779 1 - 0
Robert PC Mitcheson 1779 0 - 1
Michael Clarke 1649 1 - 0
Jose Grueso 1676 0 - 1
Jose Grueso 1676 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1557 = (23001 + 400 * (5 - 8)) / 14)

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