Event: Summer U1490

Opponent Rating Result
Ashwin Balkrishna 1276 ½ - ½
Paul Johnson 1419 1 - 0
Lewis Crook 1477 ½ - ½
Michael C Stern 1388 ½ - ½
Andrew Glass 1446 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1481 = (7006 + 400 * (1 - 0)) / 5)

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