Event: 3rd Cornwall Spring Minor

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Opponent Rating Result
Kieran Kerim 1123 1 - 0
Anthony Tatam 1521 0 - 1
Dave Neary 0 0 - 1
Ben Barnett 1265 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

777 = (3909 + 400 * (1 - 3)) / 4)

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