Event: Derby & District Division 1

Opponent Rating Result
Martin Pettinger 2029 0 - 1
Maurice J Hill 1733 ½ - ½
Jerome Redhead 1573 1 - 0
Steven J Burke 1912 ½ - ½
D Martin Howard 1965 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1762 = (9212 + 400 * (1 - 2)) / 5)

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