Event: Autumn OTB Division 4

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Opponent Rating Result
Neil C Dainty 1428 0 - 1
Con Carey 1615 ½ - ½
Nigel Holland 1540 0 - 1
Alex Robinson 1600 0 - 1
Tom Gideonse 1640 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1405 = (7823 + 400 * (1 - 3)) / 5)

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