Event: Division A

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Opponent Rating Result
Martyn Hamer 189 ½ - ½
D Brett Lund 207 0 - 1
Nugith Jayawarna 199 0 - 1
Robert A Newton 179 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

94 = (774 + 400 * (1 - 2)) / 4)

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