Event: Division Five

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Opponent Rating Result
Peter S Banks 1595 0 - 1
Rob Stevens 1100 ½ - ½
Gary Haycock 1374 0 - 1
Karl L Chan 1504 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1193 = (5573 + 400 * (0 - 2)) / 4)

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