Event: Open Rapid-play

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Opponent Rating Result
Okwose Marc Obi 1914 ½ - ½
Andrew J Moxley 1730 0 - 1
Okwose Marc Obi 1914 0 - 1
Andrew J Moxley 1730 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1522 = (7288 + 400 * (0 - 3)) / 4)

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