Event: James Essinger Trophy - Summer Swiss

Opponent Rating Result
Christopher Exton 1067 1 - 0
Harry J Sharples 1777 0 - 1
Bob Wallace 1387 1 - 0
Michael H Micklethwaite 1641 0 - 1
Kenneth Keeler 1471 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1549 = (7343 + 400 * (3 - 2)) / 5)

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