Event: Division RP1

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Opponent Rating Result
James M G Toon 1890 ½ - ½
Clive A Frostick 2150 ½ - ½
James M G Toon 1890 1 - 0
Clive A Frostick 2150 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2120 = (8080 + 400 * (1 - 0)) / 4)

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