Event: Ron Bruce League

Opponent Rating Result
Martin Quinn 1782 0 - 1
Nick J Butland 1957 1 - 0
Brian Medhurst 1693 1 - 0
Scott A Crockart 0 0 - 1
Scott A Crockart 0 0 - 1
Martin Quinn 1782 0 - 1
Michael H Stinton-Brownbridge 1889 ½ - ½
Nick J Butland 1957 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1233 = (11060 + 400 * (2 - 5)) / 8)

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