Event: 5th Somerset New Year Minor

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Opponent	Rating	Result
Peter J Hughes	0	1 - 0
John Jeremiah	0	1 - 0
Aiden Chivers	0	0 - 1
Joy P Fursman	0	0 - 1
James Wallman	0	1 - 0

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

80 = (0 + 400 * (3 - 2)) / 5)