Event: Mick Croft Cup

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Opponent	Rating	Result
Harry J Sharples	1804	½ - ½
Chris F Stampe	1800	1 - 0
George E Hollands	1939	0 - 1

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

1848 = (5543 + 400 * (1 - 1)) / 3)