Event: Division 2

Opponent Rating Result
Tim Reisner 1837 ½ - ½
Kevin N Bendall 1624 0 - 1
Patrick Baker 1697 ½ - ½
Richard J West 1658 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1504 = (6816 + 400 * (0 - 2)) / 4)

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