Event: 4th Cornwall Spring Major

Opponent Rating Result
Guy Wagner 1872 0 - 1
Percy TP Gill 1710 ½ - ½
Paul T Errington 1618 1 - 0
Michael H Stinton-Brownbridge 1843 0 - 1
Richard L Bowman 1779 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1684 = (8822 + 400 * (1 - 2)) / 5)

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