Event: U1650R summer league

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Opponent Rating Result
Cennydd Bowles 1343 0 - 1
Stephen Banks 1373 1 - 0
Cennydd Bowles 1343 ½ - ½
Stephen Banks 1373 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1258 = (5432 + 400 * (1 - 2)) / 4)

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Opponent Rating Result
Ishaq Uddin 1527 ½ - ½
Ishaq Uddin 1527 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1327 = (3054 + 400 * (0 - 1)) / 2)