Event: Division Two

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Opponent Rating Result
Irvin B Ortega 212 0 - 1
Alan Giles 154 0 - 1
Jonathan Dale 155 1 - 0
Manvith Sandhu 151 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

68 = (672 + 400 * (1 - 2)) / 4)

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