Event: B&DCL Div 5

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Opponent Rating Result
Peter Erhardt 1263 ½ - ½
Rachel Richardson 1337 1 - 0
Andy Hewitt 1200 0 - 1
Ken Dixon 1409 1 - 0
Peter Ashwood 1293 ½ - ½
Andrew A White 1000 1 - 0
Ken Dixon 1409 0 - 1
Angus Norman 1100 ½ - ½
Peter Erhardt 1263 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1342 = (11274 + 400 * (4 - 2)) / 9)

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