Event: Division 1

Opponent Rating Result
John E Curtis 2033 ½ - ½
Aleksei Zverev 1914 1 - 0
David Peters 1792 ½ - ½
James Guest 1791 1 - 0
A Clive Walley 1923 1 - 0
Stephen P Dilleigh 2049 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2184 = (11502 + 400 * (4 - 0)) / 6)

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