Event: B&DCL Div 1

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Opponent	Rating	Result
Russell M Pegg	178	½ - ½
Ken Smith	149	1 - 0
Toby WB Miller	151	1 - 0
Niall Woodger	153	½ - ½
Martin J Clancy	163	0 - 1
P Dragi Popovic	148	1 - 0
Christian F Westrap	182	½ - ½

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

275 = (1124 + 400 * (3 - 1)) / 7)