Event: Rapid Play League

Opponent Rating Result
Jonathan Mahony 1642 1 - 0
Jonathan Mahony 1642 ½ - ½
David Wells 1854 1 - 0
David Wells 1854 ½ - ½
Colm Barry 2179 0 - 1
Colm Barry 2179 1 - 0
Rangarirai Ernest Karumazondo 1947 1 - 0
Rangarirai Ernest Karumazondo 1947 0 - 1
Roger W Jennings 1913 1 - 0
Roger W Jennings 1913 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2027 = (19070 + 400 * (5 - 2)) / 10)

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