Event: 4-Board Division 2

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Opponent Rating Result
Phil Bawden 1777 ½ - ½
Phil Bawden 1777 ½ - ½
Douglas Vleeshhouwer 2018 0 - 1
David E Lord 1936 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1677 = (7508 + 400 * (0 - 2)) / 4)

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