Event: Ron Bruce League

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Opponent	Rating	Result
Alin Ionescu	1707	1 - 0
Caleb Caleshu	1915	½ - ½
James Day	1722	1 - 0
Robert G Wilby	1624	1 - 0
Caleb Caleshu	1915	0 - 1
Alin Ionescu	1707	1 - 0
James Day	1722	1 - 0
Robert G Wilby	1624	1 - 0
Nick J Butland	1957	1 - 0
Nick J Butland	1957	1 - 0

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

2065 = (17850 + 400 * (8 - 1)) / 10)