Event: Division 1

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Opponent	Rating	Result
Arron Barker	1966	0 - 1
Neville R Pearce	1635	½ - ½
Rob Lockwood	1813	1 - 0

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

1805 = (5414 + 400 * (1 - 1)) / 3)