Event: NSDCA Division 3

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Opponent	Rating	Result
Chris P Hankey	1800	0 - 1
Thomas Bailey	1520	½ - ½
Chris P Hankey	1800	0 - 1
Neville Layhe	1683	0 - 1
George Bulbeck	1646	½ - ½
Colin Abell	1518	½ - ½
Andrew Barker	1562	½ - ½
James Coney	1508	½ - ½

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

1480 = (13037 + 400 * (0 - 3)) / 8)