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Event: Sheffield Chess Centre Open

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Opponent Rating Result
Mike J Surtees 2153 0 - 1
Miles D Edwards-Wright 2104 0 - 1
Michael Hughes 1882 0 - 1
Ionel Dragan 1964 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1626 = (8103 + 400 * (0 - 4)) / 4)

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