Event: James Essinger Trophy - Summer Swiss

Opponent Rating Result
Colin G Gregory 1595 1 - 0
Michael H Micklethwaite 1675 0 - 1
Clive J Le Baigue 1519 0 - 1
Brian W Williamson 1396 ½ - ½
Leon A Garfield 1377
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1446 = (6185 + 400 * (1 - 2)) / 4)

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