Event: Division Three

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Opponent Rating Result
Alastair G Johnstone 1578 0 - 1
Martin L Loat 1616 0 - 1
Dan Donohoe 1496 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1297 = (4690 + 400 * (0 - 2)) / 3)

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Opponent Rating Result
Alex Jackson 1497 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1097 = (1497 + 400 * (0 - 1)) / 1)