Event: Players Trophy

Opponent Rating Result
David R Heath 1837 ½ - ½
Chris V Barton 1603 ½ - ½
Petko Kunev 1644 0 - 1
Neil Williams 1743 ½ - ½
Douglas J Smith 1506 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1667 = (8333 + 400 * (1 - 1)) / 5)

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