Event: Summer Max 560 Division

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Opponent Rating Result
Derek Backhouse 144 1 - 0
Anthony Sadler 147 0 - 1
John Grant 111 1 - 0
Phil Maddocks 138 ½ - ½
Jonathan Dale 154 0 - 1
Derek Backhouse 144 ½ - ½
Anthony Sadler 147 1 - 0
John Grant 111 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

237 = (1096 + 400 * (4 - 2)) / 8)

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