Event: West of England Counties Online Championship

Opponent Rating Result
Richard Clark 1893 ½ - ½
Adrian N Walker 1741 0 - 1
Stephen J Homer 1978 0 - 1
Graham Stuart 1769 ½ - ½
Richard W Ursell 1200 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1556 = (8581 + 400 * (0 - 2)) / 5)

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