Event: Division 2

Opponent Rating Result
Mark Haydock 1275 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1275 = (1275 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
John Moxham 1462 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1462 = (1462 + 400 * (0 - 0)) / 1)