Event: Ron Bruce League

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Opponent	Rating	Result
Adam Hart-Davis	1721	0 - 1
Michael H Stinton-Brownbridge	1889	0 - 1
Scott A Crockart	0	1 - 0
Brian Medhurst	1693	1 - 0
Martin Quinn	1782	½ - ½
Michael H Stinton-Brownbridge	1889	1 - 0
Martin Quinn	1782	1 - 0
Adam Hart-Davis	1721	1 - 0
Scott A Crockart	0	0 - 1
Robert G Wilby	1662	½ - ½
Robert G Wilby	1662	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1509 = (15801 + 400 * (5 - 3)) / 11)