Event: Division 1

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Opponent	Rating	Result
Nigel Hosken	186	½ - ½
Michael P Townsend	182	1 - 0
Chris J Mattos	180	1 - 0
Joseph Stewart	200	0 - 1
Duncan Dicks	191	½ - ½
Nigel Hosken	186	½ - ½
Michael P Townsend	182	0 - 1
Chris J Mattos	172	1 - 0
Joseph Stewart	206	½ - ½
Duncan Dicks	194	1 - 0
Nigel Hosken	189	½ - ½
Michael P Townsend	183	½ - ½
Joseph Stewart	206	1 - 0
Brian Dinter	0	½ - ½
Duncan Dicks	194	0 - 1

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

230 = (2651 + 400 * (5 - 3)) / 15)