Event: D&DCL Div 4

Opponent Rating Result
Mohinderpal Samra 84 ½ - ½
Sophie Bentley 95 1 - 0
Mohinderpal Samra 87 0 - 1
Sophie Bentley 95 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

190 = (361 + 400 * (2 - 1)) / 4)

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