Event: Rapid Play League

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Opponent Rating Result
Samuel J Playford 1540 ½ - ½
Samuel J Playford 1540 ½ - ½
Ben Strutt 1777 0 - 1
Ben Strutt 1777 ½ - ½
Pierre Lanson De Bonnay De Breuille 1875 1 - 0
Luke O'Keefe 1711 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1637 = (10220 + 400 * (1 - 2)) / 6)

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