Event: WDCL Division 1

Opponent Rating Result
Robert M Furness 1969 0 - 1
Adam Tyton 1901 ½ - ½
Barry Groves 1848 ½ - ½
Barry Groves 1843 1 - 0
Ken Johnson 1712 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1855 = (9273 + 400 * (1 - 1)) / 5)

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