Event: Maidstone Players Trophy

Opponent Rating Result
Dean Patience 46 1 - 0
Barrington Beavis 153 ½ - ½
Robert E Lane 140 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

246 = (339 + 400 * (1 - 0)) / 3)

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