Event: Reading-Chess-Open

Opponent Rating Result
Jamal Sagiyev 1420 0 - 1
Michael Szczerba 1200 1 - 0
Akshith Yakkaty 1000 1 - 0
Mayank Palav 1555 0 - 1
Chetan Bodela 1000 1 - 0
Chetan Bodela 1000 1 - 0
Alfie Smith 1322 1 - 0
Mikayil Hajiyev 1489 ½ - ½
Zain Jafri 1168 ½ - ½
Michael Szczerba 1170 1 - 0
Krishna Manikandan 1135 1 - 0
Michael Celaya 1580 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1420 = (15039 + 400 * (7 - 2)) / 12)

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