Event: Division 1

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Opponent Rating Result
Rob E Wilden 1744 0 - 1
Alun Richards 1702 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1523 = (3446 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Vince Southcott 1353 1 - 0
Alun Richards 1688 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1521 = (3041 + 400 * (1 - 1)) / 2)