Event: Two East

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Opponent	Rating	Result
Robert C Stern	1960	½ - ½
Tim Cowen	0	1 - 0
Luis Ortiz Sanchez	1962	0 - 1
Paul R Barclay	1803	½ - ½
Toby Pleming	0	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1145 = (5725 + 400 * (1 - 1)) / 5)