Event: OTB July 5 + 2

Opponent Rating Result
James Walsh 1298 1 - 0
Krishna Raikundalia 1344 1 - 0
Mark RA Murrell 1747 ½ - ½
Joseph Wong 1108 1 - 0
Peter A Nickals 1297 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1679 = (6794 + 400 * (4 - 0)) / 5)

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