Event: Market Harborough Club Competition

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Opponent Rating Result
Mick Daley 0 1 - 0
Michael A jnr Garland 1598 0 - 1
George Gowers 1553 0 - 1
Rene Butler 1316 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

917 = (4467 + 400 * (1 - 3)) / 4)

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