Event: Easter Rapidplay

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Opponent Rating Result
Toefl Lankapura 1555 0 - 1
Adam Edwards 0 1 - 0
Janos Mehes 1500 ½ - ½
J Alan Stockley 1401 0 - 1
Thomas Pyman 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

891 = (4456 + 400 * (2 - 2)) / 5)

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