Event: Rapid Play League

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Opponent Rating Result
Peter D Rooney 190 0 - 1
Peter D Rooney 190 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-210 = (380 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Henry G Duncanson 204 0 - 1
Henry G Duncanson 204 0 - 1
Randolph E Donahue 157 1 - 0
Randolph E Donahue 157 0 - 1
Mike Bramson 175 1 - 0
Mike Bramson 175 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

179 = (1072 + 400 * (3 - 3)) / 6)