Event: Division One

Opponent Rating Result
Bruce L Baer 2065 ½ - ½
Pascal Thielke 0 0 - 1
John F Fahy 1784 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1150 = (3849 + 400 * (0 - 1)) / 3)

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