Event: 3rd Cornwall Spring Minor

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Opponent Rating Result
Dave Neary 0 0 - 1
Lloyd Russell 1262 0 - 1
Douglas Bramley 1338 0 - 1
Joshua Birch 1340 ½ - ½
Kieran Kerim 1123 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

853 = (5063 + 400 * (1 - 3)) / 5)

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