Event: Open Rapid-play

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Opponent Rating Result
Callum J Gordon 2018 0 - 1
Shabir Okhai 2295 0 - 1
Daniel M Lambourne 2097 ½ - ½
Christopher D Lewis 1867 ½ - ½
Luke Boynton 2020 1 - 0
Callum J Gordon 2018 1 - 0
Shabir Okhai 2295 0 - 1
Daniel M Lambourne 2097 ½ - ½
Christopher D Lewis 1867 ½ - ½
Luke Boynton 2020 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2019 = (20594 + 400 * (2 - 3)) / 10)

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