Event: 4-Board Division 1

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Opponent Rating Result
Milosz Kasprzyk 126 0 - 1
Esmond Harding 74 1 - 0
Colin W Field 95 ½ - ½
Stephen Foster 60 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

189 = (355 + 400 * (2 - 1)) / 4)

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