Event: Division One

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Opponent Rating Result
Okwose Marc Obi 1901 0 - 1
Arnold Peace 1651 ½ - ½
Mihai Zbircea 1814 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1655 = (5366 + 400 * (0 - 1)) / 3)

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