Event: D&DCL Div 4

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Opponent Rating Result
Stephen G Wootton 127 0 - 1
Adrian J Dibble 88 1 - 0
Stephen Smithson 13 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

209 = (228 + 400 * (2 - 1)) / 3)

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Opponent Rating Result
Sophie Bentley 95 ½ - ½
Gilberto Templo 53 1 - 0
Stephen Smithson 13 ½ - ½
Luke Woodward 36 ½ - ½
Stephen Smithson 13 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

122 = (210 + 400 * (1 - 0)) / 5)