Event: Norfolk County Chess Championships

Opponent Rating Result
Steve J Pullinger 1988 1 - 0
Benjamin PQ Collinson 2072 1 - 0
Martin G Walker 2187 0 - 1
Paul P Smith 1997 0 - 1
Philip R Bonafont 2032 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2135 = (10276 + 400 * (3 - 2)) / 5)

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