Event: Rapid Play League

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Opponent Rating Result
Roger W Jennings 1913 ½ - ½
Roger W Jennings 1913 1 - 0
Robert Dennington 1626 1 - 0
Robert Dennington 1626 1 - 0
Rangarirai Ernest Karumazondo 1947 0 - 1
Rangarirai Ernest Karumazondo 1947 ½ - ½
Hongyi Yu 0 ½ - ½
Hongyi Yu 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1522 = (10972 + 400 * (4 - 1)) / 8)

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