Event: SCCA Division 3

Opponent Rating Result
Henry May 1293 0 - 1
Emile Kosviner 1277 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1285 = (2570 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Adrian Sanderson 1540 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1540 = (1540 + 400 * (0 - 0)) / 1)