Event: Division 1

Opponent Rating Result
Martyn Hamer 2135 0 - 1
Howard R Hughes 2192 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1764 = (4327 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Paul A Evans 2053 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2053 = (2053 + 400 * (0 - 0)) / 1)