Event: Division 4

Opponent Rating Result
Tiiu Loog 1683 ½ - ½
Gregory Sumner 1449 1 - 0
Chris J Edwards 1657 0 - 1
J Andrew Borkowski 1761 0 - 1
Chris Hillier 1737 1 - 0
Milan Milicevic 1695 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1730 = (9982 + 400 * (3 - 2)) / 6)

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