Event: Open-Rapid-play

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Opponent Rating Result
Bruce L Baer 2013 1 - 0
Shabir Okhai 2240 ½ - ½
Shabir Okhai 2240 0 - 1
Bruce L Baer 2013 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2027 = (8506 + 400 * (1 - 2)) / 4)

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