Event: Norfolk County Chess Championships

Opponent Rating Result
Mervyn J Hughes 1938 0 - 1
Nathan J Abbott 1891 1 - 0
Paul P Smith 1997 ½ - ½
Steve J Pullinger 1988 1 - 0
Adrian G Elwin 2003 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1963 = (9817 + 400 * (2 - 2)) / 5)

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