Event: Doncaster Bell Trophy

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Opponent Rating Result
Martin S Simmonds 152 0 - 1
Alan J Smith 1602 1 - 0
Mick Henshaw 1642 1 - 0
David P Hatfield 1471 ½ - ½
Martin S Simmonds 152 0 - 1
Alan J Smith 1602 0 - 1
Mick Henshaw 1642 0 - 1
David P Hatfield 1471 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1117 = (9734 + 400 * (2 - 4)) / 8)

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