Event: James Essinger Trophy - Summer Swiss

Opponent Rating Result
Clive J Le Baigue 1519 0 - 1
Roy J McAloney 1422 1 - 0
Brian W Williamson 1364 0 - 1
Kenneth Keeler 1471 0 - 1
John L Clarke 1342 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1184 = (7118 + 400 * (1 - 4)) / 5)

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