Event: LCA Division 2

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Opponent	Rating	Result
John Housego	475	½ - ½
Tony Gill	1375	½ - ½
Bernard Pratten	1657	½ - ½
John Pocock	1441	0 - 1
Glyn G Williams	1465	1 - 0
Leigh Bentley	1446	1 - 0
Tony Lee	1243	1 - 0

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

1415 = (9102 + 400 * (3 - 1)) / 7)