Event: Open-Rapid-play

Opponent Rating Result
Bruce L Baer 2065 1 - 0
Adithya Vaidyanathan 2047 ½ - ½
Adithya Vaidyanathan 2047 1 - 0
Bruce L Baer 2065 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2156 = (8224 + 400 * (2 - 1)) / 4)

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