Event: 2nd Cornwalll Autumn Minor

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Opponent	Rating	Result
David Pemberton	0	1 - 0
Rob Coles	1529	1 - 0
Michael P Foss	1516	1 - 0
Aaron Hands	1375	0 - 1
Ben Jago	1417	0 - 1

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

1247 = (5837 + 400 * (3 - 2)) / 5)