Event: Division 2

Opponent Rating Result
Colin A Roberts 1739 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1339 = (1739 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Stephen C Pride 1608 1 - 0
Danny Harrison 1500 0 - 1
Mark Heffer 1685 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1598 = (4793 + 400 * (1 - 1)) / 3)