Event: LCA Division 2

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Opponent	Rating	Result
Robert J Arthurton	1617	0 - 1
Grenville Wollerton	1723	0 - 1
Paul Wood	1624	0 - 1
Denis Georgiou	1838	½ - ½
Voitek Martynowicz	1570	1 - 0
Herman FF Kok	1798	½ - ½
John Pocock	1441	0 - 1
William Orr	1648	0 - 1

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

1457 = (13259 + 400 * (1 - 5)) / 8)