Event: Division RP1

Opponent Rating Result
Adam Sefton 2020 0 - 1
Henry Blackwell 1835 1 - 0
Richard M Webb 2236 ½ - ½
Adam Sefton 2020 1 - 0
Richard M Webb 2236 ½ - ½
Henry Blackwell 1835 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2164 = (12182 + 400 * (3 - 1)) / 6)

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