Event: SCCA Division 3 19/20

Opponent Rating Result
William Gu 113 1 - 0
Michael E Usher 148 0 - 1
Peter T Housden 101 1 - 0
Adrian Sanderson 110 ½ - ½
Ken Lunn 115 1 - 0
Adrian Sanderson 110 ½ - ½
Edgar Nightingale 104 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

286 = (801 + 400 * (4 - 1)) / 7)

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